Annotation field can be unicode...

When deparsing Python 3.x from Python 2.

.travis.yml

@@ -3,16 +3,10 @@ language: python
 sudo: false
 
 python:
-  - '3.5'
-  - '2.7.12'
-  - '2.6'
-  - '3.3'
-  - '3.4'
-  - '3.2'
-  - '3.6'
+  - '2.7' # this is a cheat here because travis doesn't do 2.4-2.6
 
 install:
-- pip install -r requirements.txt
+- pip install -e .
 - pip install -r requirements-dev.txt
 
 script:

ChangeLog

@@ -1,6 +1,326 @@
+2017-08-15  rocky <rb@dustyfeet.com>
+
+	* : commit c54a47b15f85be50d2278aa79fd514eb08580e65 Author: rocky
+	<rb@dustyfeet.com> Date:   Tue Aug 15 10:47:12 2017 -0400
+
+2017-08-15  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, pytest/validate.py, uncompyle6/parser.py,
+	uncompyle6/scanner.py: Misc cleanups...  remove code now in xdis require at least xdis 3.5.4 PyPy tolerance
+	in validate testing
+
+2017-08-13  rocky <rb@dustyfeet.com>
+
+	* ChangeLog, README.rst, __pkginfo__.py, pytest/test_basic.py,
+	uncompyle6/parser.py, uncompyle6/scanner.py: Allow version to be
+	string...  in get_python_parser and get_scanner
+
+2017-08-13  rocky <rb@dustyfeet.com>
+
+	* pytest/test_basic.py, uncompyle6/parser.py, uncompyle6/scanner.py: 
+	Allow 3-part version string lookups, e.g 2.7.1 We allow a float here, but if passed a string like '2.7'. or
+	'2.7.13', accept that in looking up either a scanner or a parser.
+
+2017-08-10  rocky <rb@dustyfeet.com>
+
+	* : commit 503039ab51f004cca27a9da43ff22b031cc486dc Author: rocky
+	<rb@dustyfeet.com> Date:   Thu Aug 10 09:41:48 2017 -0400
+
+2017-08-09  rocky <rb@dustyfeet.com>
+
+	* ChangeLog, NEWS, README.rst, __pkginfo__.py,
+	uncompyle6/semantics/consts.py, uncompyle6/version.py: Get ready for
+	release 2.11.3 need xdis 3.5.1 for now. Adjust for xdis "is-not" which we need as
+	"is not"
+
+2017-08-09  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/consts.py: xdis "is not" is now "is-not"
+
+2017-08-09  rocky <rb@dustyfeet.com>
+
+	* ChangeLog: Get ready for release 2.11.3
+
+2017-08-09  rocky <rb@dustyfeet.com>
+
+	* : commit dc627d13b8455ded4bf708a596bb466f9df9bf7b Author: rocky
+	<rb@dustyfeet.com> Date:   Wed Aug 9 21:19:30 2017 -0400
+
+2017-08-03  rocky <rb@dustyfeet.com>
+
+	* pytest/test_deparse.py, pytest/test_docstring.py,
+	pytest/test_fjt.py, pytest/test_single_compile.py,
+	pytest/validate.py, uncompyle6/scanners/scanner3.py,
+	uncompyle6/scanners/scanner30.py: Python 2.4 comptiability and ...  exception match -> exception-match
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Bump xdis
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Remove six from python 2.4/2.5
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Revert commit to wrong branch
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Remove six from Python-2.4/2.5 package
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/scanners/scanner3.py: in xdis "exception match" is now
+	"exception-match"
+
+2017-08-02  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Python 2.4 doesn't do six
+
+2017-08-01  rocky <rb@dustyfeet.com>
+
+	* pytest/validate.py, test/dis-compare.py,
+	test/simple-uncompyle-code-test.py: Python 2.4 compatibility
+
+2017-07-17  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, uncompyle6/scanners/scanner2.py,
+	uncompyle6/scanners/scanner3.py, uncompyle6/scanners/scanner30.py: 
+	xdis's "exception match" is now "exception-match"
+
+2017-07-15  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: xdis 3.5.1 is botched?
+
+2017-07-14  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: Use newer xdis
+
+2017-07-14  R. Bernstein <rocky@users.noreply.github.com>
+
+	* README.rst: Fixes issue #124
+
+2017-07-14  rocky <rb@dustyfeet.com>
+
+	* HISTORY.md: History updates
+
+2017-07-09  rocky <rb@dustyfeet.com>
+
+	* README.rst: RsT doc formatting
+
+2017-07-09  rocky <rb@dustyfeet.com>
+
+	* ChangeLog, HOW-TO-REPORT-A-BUG.md, NEWS, uncompyle6/version.py: 
+	Get ready for release 2.11.2
+
+2017-07-08  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, uncompyle6/scanner.py,
+	uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner26.py,
+	uncompyle6/scanners/scanner3.py, uncompyle6/scanners/scanner30.py,
+	uncompyle6/scanners/tok.py: Use xdis 3.5.0's opcode sets
+
+2017-07-08  rocky <rb@dustyfeet.com>
+
+	* test/test_pyenvlib.py, uncompyle6/scanners/pypy32.py,
+	uncompyle6/scanners/pypy35.py, uncompyle6/scanners/scanner15.py,
+	uncompyle6/scanners/scanner32.py, uncompyle6/scanners/scanner34.py,
+	uncompyle6/scanners/scanner35.py, uncompyle6/scanners/scanner36.py: 
+	Start supporting Pypy 3.5 (5.7.1-beta)
+
+2017-07-05  rocky <rb@dustyfeet.com>
+
+	* test/simple_source/bug26/03_loop_if_cf.py,
+	uncompyle6/parsers/parse26.py: Loops in Python 2.4-2.6 loop
+	come_from Looks like Python 2.4-2.6 may have a COME_FROM(_LOOP) before the
+	jump_back.  Fixes Issue #123
+
+2017-06-29  rocky <rb@dustyfeet.com>
+
+	* : Work around not having real flow-control analysis
+
+2017-06-28  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/make_function.py: A guard against badly
+	formated bytecode
+
+2017-06-25  rocky <rb@dustyfeet.com>
+
+	* : commit 9c072a6a423d8379712296dbcd499c772ba7ef59 Author: rocky
+	<rb@dustyfeet.com> Date:   Sun Jun 25 18:44:50 2017 -0400
+
+2017-06-25  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/version.py: Get ready for release 2.11.1
+
+2017-06-24  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, uncompyle6/scanner.py,
+	uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner3.py,
+	uncompyle6/scanners/scanner30.py, uncompyle6/semantics/pysource.py: 
+	Use xdis' instruction offset calculation fns..  next_offset, op_size, has_argument
+
+2017-06-19  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/pysource.py: Python 2 sometimes need
+	str->uncode in writing?
+
+2017-06-19  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/pysource.py: Allow deparsed out to be str as
+	well as unicode
+
+2017-06-18  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner3.py,
+	uncompyle6/semantics/fragments.py,
+	uncompyle6/semantics/make_function.py: More merge fixups from master
+
+2017-06-18  rocky <rb@dustyfeet.com>
+
+	* : commit af10f99776b142c44fb4507033fb3220b5f57910 Author: rocky
+	<rb@dustyfeet.com> Date:   Sun Jun 18 15:22:27 2017 -0400
+
+2017-06-13  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Adjust nodeInfo if it is a
+	Token
+
+2017-06-13  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Add nonterminal node in
+	extractInfo
+
+2017-06-10  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py,
+	uncompyle6/semantics/make_function.py: Fragment tag more expressions Revise make_function3 comment wrt args and kwargs
+
+2017-06-10  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Fragment tag array subscripts
+
+2017-06-10  R. Bernstein <rocky@users.noreply.github.com>
+
+	* README.rst: Create README.rst
+
+2017-06-10  R. Bernstein <rocky@users.noreply.github.com>
+
+	* README.rst: Create README.rst
+
+2017-06-10  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Set YIELD_VALUE offset in a
+	<yield> expr
+
+2017-06-10  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/make_function.py: Python 3.2 MAKE_FUNCTION
+	again..  Was handling bug32/01_named_and_kwargs.py wrong again
+
+2017-06-09  R. Bernstein <rocky@users.noreply.github.com>
+
+	* : Merge pull request #119 from rocky/scan-longconstant Simplify access to L65536 ...
+
+2017-06-09  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/make_function.py: Attempt to document the
+	MAKE_FUNCTION/MAKE_LAMBDA mess...  in Python 3.0+
+
+2017-06-08  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/make_function.py: Correct make_function3 for
+	Pytohn 3.2
+
+2017-06-08  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/pysource.py: Disable "continue" removal in
+	pysource.py "continue" could be the only statement and then removing it might
+	lead to a dangling "else".
+
+2017-06-07  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Mark "pass" offsets.  Start routine to find previous node.
+
+2017-06-06  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse3.py, uncompyle6/semantics/fragments.py: 
+	Remove hacky fragments try fixup...  hacky call_function code is also not needed or will be reinstated
+	properly. Better grammar structure for Python 3.6 call_function.
+
+2017-06-05  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse3.py, uncompyle6/parsers/parse36.py,
+	uncompyle6/scanners/scanner36.py: BUILD_{MAP,TUPLE}_UNPACK &
+	CALL_FUNCTION_EX_KW...  Bang on these in 3.6. Not totally succesfull right now.  In fact a
+	regression on one of the test cases
+
+2017-06-05  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Important fragments bug fix...  start, finish that had been adjusted wasn't getting reflected in
+	final returned deparsed.offsets dictionary. Redo keeping API
+	compatibility, i.e we still use namedtuple NodeInfo.
+
+2017-06-04  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse3.py, uncompyle6/semantics/pysource.py: 
+	Python 3.5 *args with kwargs handling.  3.5 is a snowflake here. Thank you, Python.  Fully fixes Issue 95.  3.6 is broken on this source, but for a *different* reason. Sigh.
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* README.rst, __pkginfo__.py,
+	test/simple_source/bug35/04_CALL_FUNCTION_VAR_KW.py,
+	uncompyle6/semantics/fragments.py: Small changes.  fragment tag EXEC_STMT
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* pytest/validate.py: 2.4 doesn't do six
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* appveyor.yml: Nope it (appveyor) doesn't.
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, appveyor.yml: Administrivia See if appveyor will handle 2.5
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* : commit 7c299fbf3777c452d6a10075964961783f510699 Author: rocky
+	<rb@dustyfeet.com> Date:   Sat Jun 3 05:38:05 2017 -0400
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py: We need six
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* README.rst, circle.yml, requirements-dev.txt: Go over
+	administrivia
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* ChangeLog, NEWS, uncompyle6/version.py: Get ready for release
+	2.10.1
+
+2017-06-03  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py,
+	uncompyle6/semantics/pysource.py: Fragment bugs fragment.py: * deparse_code_aorund_offset: was sometimes returning the wrong type * capture function name offset * lint imports pysource.py: use a clearer variable name
+
+2017-06-02  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/semantics/fragments.py: Track changes in ifelstmtr..  in fragments from pysource
+
 2017-05-30  rocky <rb@dustyfeet.com>
 
-	* uncompyle6/version.py: Get ready for release 2.10.0
+	* pytest/test_function_call.py: No decorators in Python < 2.6
+
+2017-05-30  rocky <rb@dustyfeet.com>
+
+	* : commit ad98fae3d4b0b83f65b15da8201e33c0ee6dab17 Author: rocky
+	<rb@dustyfeet.com> Date:   Tue May 30 01:26:52 2017 -0400
 
 2017-05-30  rocky <rb@dustyfeet.com>
 
@@ -239,15 +559,25 @@
 	* ChangeLog, NEWS, uncompyle6/version.py: Get ready for release
 	2.9.11
 
+2017-05-06  rocky <rb@dustyfeet.com>
+
+	* ChangeLog, NEWS, uncompyle6/version.py: Get ready for release
+	2.9.11
+
 2017-05-06  rocky <rb@dustyfeet.com>
 
 	* test/Makefile: fix PYTHON variable setting in test/Makefile
 
 2017-05-06  rocky <rb@dustyfeet.com>
 
-	* test/simple_source/bug32/01_try_except_raise.py,
-	test/simple_source/bug32/03_if.py, uncompyle6/parsers/parse32.py,
-	uncompyle6/parsers/parse33.py: Fix more Python3.2 parser errors
+	* test/Makefile, uncompyle6/scanners/scanner2.py,
+	uncompyle6/scanners/scanner3.py, uncompyle6/semantics/fragments.py: 
+	Sync with master
+
+2017-05-06  rocky <rb@dustyfeet.com>
+
+	* : commit 4a4782290490187ac2fcaaecd3ca808f933722b2 Author: rocky
+	<rb@dustyfeet.com> Date:   Sat May 6 05:25:56 2017 -0400
 
 2017-05-05  rocky <rb@dustyfeet.com>
 
@@ -435,6 +765,11 @@
 	haphazard way using real flow-control analysis. Hopefully that's on
 	the way.  In the meantime we have this hack.
 
+2017-04-14  rocky <rb@dustyfeet.com>
+
+	* : commit 7e8f7ba67431725fceec08344934c929a517efc5 Author: rocky
+	<rb@dustyfeet.com> Date:   Fri Apr 14 05:42:44 2017 -0400
+
 2017-04-14  rocky <rb@dustyfeet.com>
 
 	* test/simple_source/bug27+/03_if_1_else.py,
@@ -499,9 +834,10 @@
 	uncompyle6/parsers/parse2.py, uncompyle6/parsers/parse3.py,
 	uncompyle6/parsers/parse35.py: Add more while1else grammar rules Towards addressing issue #93
 
-2017-04-09  rocky <rb@dustyfeet.com>
+2017-04-10  rocky <rb@dustyfeet.com>
 
-	* : One more FUNCTION_VAR test for 3.3
+	* : commit b9703cf6b41138b717c282fc791c08d807692b07 Author: rocky
+	<rb@dustyfeet.com> Date:   Sun Apr 9 06:58:41 2017 -0400
 
 2017-04-09  rocky <rb@dustyfeet.com>
 
@@ -612,11 +948,8 @@
 
 2017-03-01  rocky <rb@dustyfeet.com>
 
-	* uncompyle6/scanner.py, uncompyle6/scanners/scanner2.py,
-	uncompyle6/scanners/scanner3.py, uncompyle6/verify.py: COME_FROM for
-	3.x POP_EXCEPT, DRY with op_name() ...  Start adding COME_FROMs for POP_EXCEPT in preparation for getting
-	tryelse blocks correct.  Simpler opname access functions:   - self.op_name(op) is self.opc.opname[op]   - self.op_name_from_offset(offset) is
-	  self.opc.opname[self.code[offset]] verify.py: not all offsets are ints
+	* : commit 160ec0d9cc5fe347f6e8bdb69515a28c76cfb368 Author: rocky
+	<rb@dustyfeet.com> Date:   Wed Mar 1 05:50:31 2017 -0500
 
 2017-02-28  rocky <rb@dustyfeet.com>
 
@@ -640,13 +973,17 @@
 
 2017-02-25  rocky <rb@dustyfeet.com>
 
-	* ChangeLog, NEWS, __pkginfo__.py, uncompyle6/version.py: Get ready
-	for release 2.9.10
+	* : commit 1e3ea60055027dfd3f098661ac4f5979c5c48f7e Author: rocky
+	<rb@dustyfeet.com> Date:   Sat Feb 25 20:18:03 2017 -0500
 
 2017-02-25  rocky <rb@dustyfeet.com>
 
-	* uncompyle6/parser.py, uncompyle6/parsers/parse26.py: Python 2.6
-	parsing bugs ..  and some parser list nonterminal cleanup
+	* uncompyle6/parser.py: Python <= 2.6 grammar fixes
+
+2017-02-25  rocky <rb@dustyfeet.com>
+
+	* : commit 2fbbc728b10f0d3a754165708584bd80d33bc7f9 Author: rocky
+	<rb@dustyfeet.com> Date:   Sat Feb 25 04:45:10 2017 -0500
 
 2017-02-24  rocky <rb@dustyfeet.com>
 
@@ -660,9 +997,15 @@
 	uncompyle6/parsers/parse25.py: Python 2.5 wasn't handling tryelse
 	properly
 
-2017-02-20  rocky <rb@dustyfeet.com>
+2017-02-22  rocky <rb@dustyfeet.com>
 
-	* : New test doesn't --verify correctly. Sigh.
+	* test/Makefile, test/simple_source/bug25/02_try_else.py,
+	uncompyle6/parsers/parse25.py: Python 2.5 was missing try else stmt
+
+2017-02-22  rocky <rb@dustyfeet.com>
+
+	* : commit b043f6bafc9b9ae26e64dc0f1441d7abae894c37 Author: rocky
+	<rb@dustyfeet.com> Date:   Mon Feb 20 09:22:01 2017 -0500
 
 2017-02-20  rocky <rb@dustyfeet.com>
 
@@ -701,6 +1044,10 @@
 	* test/simple_source/bug22/01_ops.py, test/test_pythonlib.py: Beef
 	up grammar coverage
 
+2017-02-10  rocky <rb@dustyfeet.com>
+
+	* test/Makefile: Group coverage Makefile targets
+
 2017-01-29  rocky <rb@dustyfeet.com>
 
 	* test/Makefile, test/simple_source/bug22/01_ops.py,
@@ -708,9 +1055,24 @@
 	uncompyle6/semantics/pysource.py: Changes based on grammar coverage
 	info
 
-2017-01-29  R. Bernstein <rocky@users.noreply.github.com>
+2017-01-29  rocky <rb@dustyfeet.com>
 
-	* : Merge pull request #83 from rocky/coverage Coverage
+	* test/Makefile, test/simple_source/bug22/01_ops.py,
+	uncompyle6/parsers/parse25.py, uncompyle6/semantics/consts.py,
+	uncompyle6/semantics/pysource.py: Changes based on coverage
+	information
+
+2017-01-29  rocky <rb@dustyfeet.com>
+
+	* : commit 9348411056cbe809e07c4ef341effa17bca90e2f Merge: 3dc766d
+	e71dd01 Author: R. Bernstein <rocky@users.noreply.github.com> Date:
+	Sun Jan 29 21:54:45 2017 -0500
+
+2017-01-29  rocky <rb@dustyfeet.com>
+
+	* test/Makefile, test/simple_source/bug22/01_ops.py,
+	test/test_pyenvlib.py, test/test_pythonlib.py,
+	uncompyle6/semantics/consts.py: Simplfy getting coverage consts.py: notes on versions use which ops
 
 2017-01-29  rocky <rb@dustyfeet.com>
 
@@ -814,6 +1176,10 @@
 	* uncompyle6/__init__.py: sys.recursionlimit is optional, not
 	essential
 
+2017-01-11  rocky <rb@dustyfeet.com>
+
+	* NEWS, uncompyle6/version.py: Get ready for release 2.9.9
+
 2017-01-11  rocky <rb@dustyfeet.com>
 
 	* : commit b131c20e99514d3a969a51e841d3a823017f1beb Author: rocky
@@ -823,9 +1189,22 @@
 
 	* ChangeLog, NEWS: Get ready for release 2.10.9
 
+2017-01-11  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse3.py, uncompyle6/scanner.py,
+	uncompyle6/semantics/make_function.py, uncompyle6/version.py: Merge
+	changes ...  * str() in Python 2.4 doesn't detect unicode.  * index() doesn't work on tuples * ifelse change
+
+2017-01-11  rocky <rb@dustyfeet.com>
+
+	* : commit 7ece296f7638e71fad1117b940f7ffddbe095b1f Merge: 78a5b62
+	5035d54 Author: R. Bernstein <rocky@users.noreply.github.com> Date:
+	Wed Jan 11 07:10:23 2017 -0500
+
 2017-01-11  R. Bernstein <rocky@users.noreply.github.com>
 
-	* : Merge pull request #79 from rocky/revert-78-patch-1 Revert "fix bug : not generate all files when use "-ro""
+	* uncompyle6/main.py: Revert "fix bug : not generate all files when
+	use "-ro""
 
 2017-01-11  R. Bernstein <rocky@users.noreply.github.com>
 
@@ -924,6 +1303,16 @@
 	* uncompyle6/parsers/parse35.py, uncompyle6/scanners/scanner3.py: 
 	Python 3.5 continue detection bug
 
+2017-01-02  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/verify.py: 2.4 verify hacks
+
+2017-01-02  rocky <rb@dustyfeet.com>
+
+	* : commit a7d93e88b4e0dfd6876a7a31bd201a0e40f24bea Merge: 9891494
+	136f42a Author: rocky <rb@dustyfeet.com> Date:   Mon Jan 2 05:39:13
+	2017 -0500
+
 2017-01-01  rocky <rb@dustyfeet.com>
 
 	* uncompyle6/scanners/scanner3.py: add come_from for setup_finally
@@ -938,6 +1327,14 @@
 
 	* README.rst: Note how to verify correctness ...  with --verify, --weak-verify and cross checking with pycdc
 
+2016-12-31  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/version.py: We are version 2.9.9
+
+2016-12-31  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/main.py: 2.7->2.4 conversion
+
 2016-12-31  rocky <rb@dustyfeet.com>
 
 	* ChangeLog, NEWS, uncompyle6/version.py: Get ready for release
@@ -947,6 +1344,13 @@
 
 	* uncompyle6/parsers/parse26.py: 2.x list_if may have a THEN in it
 
+2016-12-31  rocky <rb@dustyfeet.com>
+
+	* test/Makefile, uncompyle6/main.py, uncompyle6/parsers/parse26.py,
+	uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner26.py,
+	uncompyle6/scanners/scanner3.py, uncompyle6/semantics/pysource.py,
+	uncompyle6/verify.py: Merge master branche Handle 2.2 list_if
+
 2016-12-31  rocky <rb@dustyfeet.com>
 
 	* uncompyle6/scanners/scanner3.py: Towards fixing a Python 3.3
@@ -975,10 +1379,9 @@
 
 	* : Merge pull request #73 from rocky/then-crap Add THEN token to improve Python 2.2-2.6 control flow detection
 
-2016-12-28  rocky <rb@dustyfeet.com>
+2016-12-29  R. Bernstein <rocky@users.noreply.github.com>
 
-	* uncompyle6/parsers/parse3.py, uncompyle6/scanners/tok.py: Misc
-	bugs
+	* : Merge pull request #72 from rocky/master THEN psuedo-ops for Python 2.x
 
 2016-12-28  rocky <rb@dustyfeet.com>
 
@@ -1005,8 +1408,7 @@
 
 2016-12-27  rocky <rb@dustyfeet.com>
 
-	* uncompyle6/scanners/scanner2.py: Make 2.6 and 2.7 ingest more
-	alike
+	* : Merge commit '9b1dd0f' into python-2.4
 
 2016-12-26  rocky <rb@dustyfeet.com>
 
@@ -1026,6 +1428,11 @@
 	* uncompyle6/parsers/parse25.py: fix bug in using python2 AST rules
 	in python 2.5
 
+2016-12-26  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse25.py: Bug in using python2 ast checking
+	in python 2.5
+
 2016-12-26  rocky <rb@dustyfeet.com>
 
 	* : commit f1a947f106b231fb1480ba301b15e3ceaf78c94f Author: rocky
@@ -1038,15 +1445,19 @@
 	uncompyle6/verify.py: Scanner call fixes. NAME_MODULE removal for
 	<=2.4
 
-2016-12-24  rocky <rb@dustyfeet.com>
+2016-12-25  rocky <rb@dustyfeet.com>
 
-	* uncompyle6/parsers/astnode.py, uncompyle6/parsers/parse2.py,
-	uncompyle6/parsers/parse26.py, uncompyle6/parsers/parse3.py,
-	uncompyle6/parsers/parse36.py, uncompyle6/scanners/scanner15.py,
-	uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner21.py,
-	uncompyle6/scanners/scanner22.py,
-	uncompyle6/semantics/fragments.py, uncompyle6/semantics/pysource.py: 
-	Lint
+	* uncompyle6/main.py, uncompyle6/scanners/scanner15.py,
+	uncompyle6/scanners/scanner21.py, uncompyle6/scanners/scanner22.py,
+	uncompyle6/scanners/scanner23.py, uncompyle6/scanners/scanner24.py,
+	uncompyle6/semantics/pysource.py, uncompyle6/verify.py: Removing
+	NAME_MODULE, lint and bug fixes scanner*.py: show_asm param is optional verify.py: call correct
+	scanners main.py, verify.py: Use older Python print statements
+
+2016-12-25  rocky <rb@dustyfeet.com>
+
+	* : commit e3f4beeb74e33d5b404094765cc63040f62a0b41 Author: rocky
+	<rb@dustyfeet.com> Date:   Sat Dec 24 07:45:02 2016 -0500
 
 2016-12-24  rocky <rb@dustyfeet.com>
 
@@ -1067,22 +1478,34 @@
 
 2016-12-18  rocky <rb@dustyfeet.com>
 
-	* pytest/.gitignore, test/simple_source/bug25/02_try_else.py,
-	uncompyle6/parsers/parse25.py, uncompyle6/parsers/parse26.py: Python
-	2.5 mistaken try/else
+	* : commit c7c0a989829a9a625333665516387c1177c611c2 Author: rocky
+	<rb@dustyfeet.com> Date:   Sun Dec 18 00:56:07 2016 -0500
 
 2016-12-17  rocky <rb@dustyfeet.com>
 
 	* uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner25.py: 
 	show-asm on python2.5 is optional make scanner2 look a little more like scanner3
 
+2016-12-17  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner25.py: 
+	show-asm on python2.5 is optional Make scanner2 a little more like scanner3.
+
+2016-12-17  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parser.py, uncompyle6/scanner.py,
+	uncompyle6/scanners/scanner2.py, uncompyle6/scanners/scanner3.py,
+	uncompyle6/semantics/fragments.py: Python 2.6/2.7 tolerance in
+	Python 2.4 branch
+
 2016-12-16  rocky <rb@dustyfeet.com>
 
 	* NEWS: Release 2.9.8 news
 
 2016-12-16  rocky <rb@dustyfeet.com>
 
-	* __pkginfo__.py, uncompyle6/version.py: Get ready for release 2.9.8
+	* : commit 13d5cd1a588b7f4f2c233c436ce6b0b39db9950e Author: rocky
+	<rb@dustyfeet.com> Date:   Fri Dec 16 22:42:46 2016 -0500
 
 2016-12-16  rocky <rb@dustyfeet.com>
 
@@ -1150,15 +1573,12 @@
 
 2016-12-04  rocky <rb@dustyfeet.com>
 
-	* ChangeLog, NEWS, uncompyle6/main.py, uncompyle6/parser.py,
-	uncompyle6/parsers/parse26.py, uncompyle6/parsers/parse3.py,
-	uncompyle6/parsers/parse34.py, uncompyle6/parsers/parse35.py,
-	uncompyle6/scanner.py, uncompyle6/scanners/scanner2.py,
-	uncompyle6/scanners/scanner23.py, uncompyle6/scanners/scanner24.py,
-	uncompyle6/scanners/scanner3.py, uncompyle6/scanners/tok.py,
-	uncompyle6/semantics/make_function.py,
-	uncompyle6/semantics/pysource.py, uncompyle6/verify.py,
-	uncompyle6/version.py: Get ready for release 2.9.7 Some of the many lint things. Linting is kind of stupid though.
+	* ChangeLog: Get ready for release 2.9.7
+
+2016-12-04  rocky <rb@dustyfeet.com>
+
+	* : commit d22931cb49f0e28a0fbe48a7c1526b1f170a5b52 Author: rocky
+	<rb@dustyfeet.com> Date:   Sun Dec 4 07:31:34 2016 -0500
 
 2016-11-28  rocky <rb@dustyfeet.com>
 
@@ -1209,11 +1629,34 @@
 	* uncompyle6/semantics/pysource.py: Better line number tracking Indent Python 2 list comprehensions, albeit badly.  DRY code a
 	little via indent_if_source_nl
 
+2016-11-24  rocky <rb@dustyfeet.com>
+
+	* circle.yml: CircleCI build
+
+2016-11-24  rocky <rb@dustyfeet.com>
+
+	* uncompyle6/parsers/parse3.py: Remove dup Python 3 grammar rule
+
 2016-11-24  rocky <rb@dustyfeet.com>
 
 	* uncompyle6/parsers/parse3.py, uncompyle6/scanners/scanner2.py: 
 	<2.7 "if" detection and dup Python 3 grammar rule
 
+2016-11-24  rocky <rb@dustyfeet.com>
+
+	* test/test_pyenvlib.py, uncompyle6/linenumbers.py,
+	uncompyle6/main.py, uncompyle6/scanners/scanner2.py,
+	uncompyle6/semantics/make_function.py,
+	uncompyle6/semantics/pysource.py, uncompyle6/verify.py: Bug in 2.4
+	"if" dectection and...  Wrong language used in old-style exceptions: use "except Error,e"
+	not "except Error(e)""
+
+2016-11-24  rocky <rb@dustyfeet.com>
+
+	* __pkginfo__.py, pytest/test_grammar.py, uncompyle6/parser.py,
+	uncompyle6/parsers/parse26.py:  Python 2.6 grammary bug and..  __pkginfo.py__: Bump spark_parser
+	version for parse_flags 'dups'
+
 2016-11-23  rocky <rb@dustyfeet.com>
 
 	* __pkginfo__.py, pytest/test_grammar.py, uncompyle6/parser.py,
@@ -1225,8 +1668,17 @@
 
 2016-11-23  rocky <rb@dustyfeet.com>
 
-	* : commit 6aa1531972de83ecab15b4c96b89c873ea5a7458 Author: rocky
-	<rb@dustyfeet.com> Date:   Wed Nov 23 00:48:38 2016 -0500
+	* : commit 7133540c235e16f02d2db62cb903b70aa311de20 Author: rocky
+	<rb@dustyfeet.com> Date:   Wed Nov 23 08:26:12 2016 -0500
+
+2016-11-23  rocky <rb@dustyfeet.com>
+
+	* : commit a9349b8f3d12b2aa0cd88286617c1af9cccad018 Author: rocky
+	<rb@dustyfeet.com> Date:   Tue Nov 22 17:49:47 2016 -0500
+
+2016-11-23  rocky <rb@dustyfeet.com>
+
+	* circle.yml: Circle CI uses 2.7.10 and 2.7.12 is not available
 
 2016-11-22  rocky <rb@dustyfeet.com>
 

HISTORY.md

@@ -44,8 +44,8 @@ it appears that Hartmut did most of the work to get this code to
 accept the full Python language. He added precedence to the table
 specifiers, support for multiple versions of Python, the
 pretty-printing of docstrings, lists, and hashes. He also wrote test and verification routines of
-deparsed bytecode, and used this in an extensive set of tests that he also wrote. He says he could verify against the 
-entire Python library. However I have subsequently found small and relatively obscure bugs in the decompilation code. 
+deparsed bytecode, and used this in an extensive set of tests that he also wrote. He says he could verify against the
+entire Python library. However I have subsequently found small and relatively obscure bugs in the decompilation code.
 
 decompyle2.2 was packaged for Debian (sarge) by
 [Ben Burton around 2002](https://packages.qa.debian.org/d/decompyle.html). As
@@ -66,7 +66,7 @@ code to handle first Python 2.3 and then 2.4 bytecodes. Because of
 jump optimization introduced in the CPython bytecode compiler at that
 time, various JUMP instructions were classifed as going backwards, and
 COME FROM instructions were reintroduced.  See
-[RELEASE-2.4-CHANGELOG.txt](https://github.com/rocky/python-uncompyle6/blob/master/DECOMPYLE-2.4-CHANGELOG.txt) 
+[RELEASE-2.4-CHANGELOG.txt](https://github.com/rocky/python-uncompyle6/blob/master/DECOMPYLE-2.4-CHANGELOG.txt)
 for more details here. There wasn't a public
 release of RELEASE-2.4 and bytecodes other than Python 2.4 weren't
 supported. Dan says the Python 2.3 version could verify the entire
@@ -99,7 +99,7 @@ made a few commits later on. But mostly wibiti, and Guenther
 Starnberger got the code to where uncompyle2 was around 2012.
 
 In `uncompyle`, decompilation of python bytecode 2.5 & 2.6 is done by
-transforming the byte code into a a pseudo 2.7 python bytecode and is
+transforming the byte code into a pseudo-2.7 Python bytecode and is
 based on code from Eloi Vanderbeken.
 
 This project, `uncompyle6`, abandons that approach for various
@@ -120,10 +120,10 @@ while, handling Python bytecodes from Python versions 2.5+ and
 3.2+. In doing so, it has been expedient to separate this into three
 projects:
 
-* bytecode loading and disassembly ([xdis](https://pypi.python.org/pypi/xdis)),
+* marshaling/unmarshaling, bytecode loading and disassembly ([xdis](https://pypi.python.org/pypi/xdis)),
 * parsing and tree building ([spark_parser](https://pypi.python.org/pypi/spark_parser)),
 * this project - grammar and semantic actions for decompiling
-  ([uncompyle6](https://pypi.python.org/pypi/spark_parser)).
+  ([uncompyle6](https://pypi.python.org/pypi/uncompyle6)).
 
 
 Over the many years, code styles and Python features have
@@ -162,5 +162,8 @@ support has been lagging.
 Tests for the project have been, or are being, culled from all of the
 projects mentioned.
 
+For a little bit of the history of changes to the Early-algorithm parser,
+see the file [NEW-FEATURES.rst](https://github.com/rocky/python-spark/blob/master/NEW-FEATURES.rst) in the [python-spark github repository](https://github.com/rocky/python-spark).
+
 NB. If you find mistakes, want corrections, or want your name added
 (or removed), please contact me.

HOW-TO-REPORT-A-BUG.md

@@ -19,7 +19,7 @@ So it is likely you'll find a mistranslation in decompiling.
 The basic requirement is pretty simple:
 
 * Python bytecode
-* Source text
+* Python source text
 
 ## What to send (additional helpful information)
 
@@ -50,7 +50,7 @@ one fool can learn, so can another."
 
 ## Narrowing the problem
 
-I don't need the entire source code base for which one file or module
+I don't need or want the entire source code base for which one file or module
 can't be decompiled. I just need that one file or module only. If
 there are several files, file a bug report for each file.
 

Makefile

@@ -36,8 +36,10 @@ check-2.7 check-3.3 check-3.4: pytest
 check-3.0 check-3.1 check-3.2 check-3.5 check-3.6:
 	$(MAKE) -C test $@
 
+check-3.7: pytest
+
 #:Tests for Python 2.6 (doesn't have pytest)
-check-2.6:
+check-2.4 check-2.5 check-2.6:
 	$(MAKE) -C test $@
 
 #:PyPy 2.6.1 or PyPy 5.0.1
@@ -59,7 +61,7 @@ clean: clean_pyc
 
 #: Create source (tarball) and wheel distribution
 dist:
-	$(PYTHON) ./setup.py sdist bdist_wheel
+	$(PYTHON) ./setup.py sdist bdist_egg
 
 #: Remove .pyc files
 clean_pyc:

NEWS

@@ -1,7 +1,69 @@
-uncompyle6 2.10.0 2016-05-30 Elaine Gordon
+uncompyle6 2.12.0 2017-09-25
 
-- Add fuzzy offset deparse lookup
-- 3.6 bugfixes
+- Use xdis 3.6.0 or greater now
+- Small semantic table cleanups
+- Python 3.4's terms a little names better
+- Slightly more Python 3.7, but still failing a lot
+
+uncompyle6 2.11.5 2017-08-31
+
+- Skeletal support for Python 3.7
+
+uncompyle6 2.11.4 2017-08-15
+
+* scanner and parser now allow 3-part version string lookups,
+  e.g. 2.7.1 We allow a float here, but if passed a string like '2.7'. or
+* unpin 3.5.1. xdis 3.5.4 has been releasd and fixes the problems we had. Use that.
+* some routnes here moved to xdis. Use the xdis version
+* README.rst: Link typo Name is trepan2 now not trepan
+* xdis-forced change adjust for COMPARE_OP "is-not" in
+  semanatic routines. We need "is not".
+* Some PyPy tolerance in validate testing.
+* Some pyston tolerance
+
+uncompyle6 2.11.3 2017-08-09
+
+Very minor changes
+
+- RsT doc fixes and updates
+- use newer xdis, but not too new; 3.5.2 breaks uncompyle6
+- use xdis opcode sets
+- xdis "exception match" is now "exception-match"
+
+uncompyle6 2.11.2 2017-07-09
+
+- Start supporting Pypy 3.5 (5.7.1-beta)
+- use xdis 3.5.0's opcode sets and require xdis 3.5.0
+- Correct some Python 2.4-2.6 loop detection
+- guard against badly formatted bytecode
+
+uncompyle6 2.11.1 2017-06-25
+
+- Python 3.x annotation and function signature fixes
+- Bump xdis version
+- Small pysource bug fixes
+
+uncompyle6 2.11.0 2017-06-18 Fleetwood
+- Major improvements in fragment tracking
+  * Add nonterminal node in extractInfo
+  * tag more offsets in expressions
+  * tag array subscripts
+  * set YIELD value offset in a <yield> expr
+  * fix a long-standing bug in not adjusting final AST when melding other deparse ASTs
+- Fixes yet again for make_function node handling; document what's up here
+- Fix bug in snowflake Python 3.5 *args kwargs
+
+uncompyle6 2.10.1 2017-06-3 Marylin Frankel
+
+- fix some fragments parsing bugs
+  - was returning the wrong type sometimes in deparse_code_around_offset()
+  - capture function name in offsets
+  - track changes to ifelstrmtr node from pysource into fragments
+
+uncompyle6 2.10.0 2017-05-30 Elaine Gordon
+
+- Add fuzzy offset deparse look up
+- 3.6 bug fixes
    - fix EXTENDED_ARGS handling (and in 2.6 and others)
    - semantic routine make_function fragments.py
    - MAKE_FUNCTION handling
@@ -12,19 +74,19 @@ uncompyle6 2.10.0 2016-05-30 Elaine Gordon
 - 3.5 FUNCTION_VAR bug
 - 3.x pass statement insdie while True
 - Improve 3.2 decompilation
-- Fixed -o argument processing (Gregrory)
+- Fixed -o argument processing (grkov90)
 - Reduce scope of LOAD_ASSERT as expr to 3.4+
 - "await" statement fixes
 - 2.3, 2.4 "if 1 .." fixes
 - 3.x annotation fixes
 
-uncompyle6 2.9.11 2016-04-06
+uncompyle6 2.9.11 2017-04-06
 
 - Better support for Python 3.5+ BUILD_MAP_UNPACK
 - Start 3.6 CALL_FUNCTION_EX support
 - Many decompilation bug fixes. (Many more remain). See ChangeLog
 
-uncompyle6 2.9.10 2016-02-25
+uncompyle6 2.9.10 2017-02-25
 
 - Python grammar rule fixes
 - Add ability to get grammar coverage on runs
@@ -91,7 +153,7 @@ uncompyle6 2.9.6 2016-11-20
 uncompyle6 2.9.5 2016-11-13
 
 - Fix Python 3 bugs:
-  * improprer while 1 else
+  * improper while 1 else
   * docstring indent
   * 3.3 default values in lambda expressions
   * start 3.0 decompilation (needs newer xdis)
@@ -101,12 +163,12 @@ uncompyle6 2.9.5 2016-11-13
 uncompyle6 2.9.4 2016-11-02
 
 - Handle Python 3.x function annotations
-- track def keywoard-parameter line-splitting in source code better
+- track def keyword-parameter line-splitting in source code better
 - bump min xdis version to mask previous xdis bug
 
 uncompyle6 2.9.3 2016-10-26
 
-Release forced by incompatiblity change in xdis 3.2.0.
+Release forced by incompatibility change in xdis 3.2.0.
 
 - Python 3.1 bugs:
   * handle "with ... as"
@@ -138,7 +200,7 @@ uncompyle6 2.9.0 2016-10-09
   this Forces change in requirements.txt and _pkg_info_.py
 - Start Python 1.5 decompiling; another round of work is needed to
   remove bugs
-- Simpify python 2.1 grammar
+- Simplify python 2.1 grammar
 - Fix bug with -t ...  Wasn't showing source text when -t option was given
 - Fix 2.1-2.6 bug in list comprehension
 
@@ -161,7 +223,7 @@ control-flow structure detection is done.
     . 3.0 .. 3.2 *args processing
     . 3.0 .. 3.2 call name and kwargs bug
     . 3.0 .. getting parameter of *
-    . 3.0 .. handling varible number of args
+    . 3.0 .. handling variable number of args
     . 3.0 .. "if" structure bugs
   * 3.5+ if/else bugs
   * 2.2-2.6 bugs
@@ -212,7 +274,7 @@ uncompyle6 2.7.1 2016-07-26
 
 uncompyle6 2.7.0 2016-07-15
 
-- Many Syntax and verifification bugs removed
+- Many Syntax and verification bugs removed
   tested on standard libraries from 2.3.7 to 3.5.1
   and they all decompile and verify fine.
   I'm sure there are more bugs though.
@@ -239,9 +301,9 @@ uncompyle6 2.6.0 2016-07-07
 - Better <2.6 vs. 2.7 grammar separation
 - Fix some 2.7 deparsing bugs
 - Fix bug in installing uncompyle6 script
-- Doc improvments
+- Doc improvements
 
-uncompyle6 2.5.0 2016-06-22  Summer Solstace
+uncompyle6 2.5.0 2016-06-22  Summer Solstice
 
 - Much better Python 3.2-3.5 coverage.
   3.4.6 is probably the best;3.2 and 3.5 are weaker
@@ -253,7 +315,7 @@ uncompyle6 2.5.0 2016-06-22  Summer Solstace
 uncompyle6 2.4.0 2016-05-18 (in memory of Lewis Bernstein)
 
 - Many Python 3 bugs fixed:
-  * Python 3.2 to 3.5 libaries largely
+  * Python 3.2 to 3.5 libraries largely
     uncompyle and most verify
 - pydisassembler:
   * disassembles all code objects in a file
@@ -311,7 +373,7 @@ uncompyle6 2.2.0 2016-04-30
 
 uncompyle6 2.2.0 2016-04-02
 
-- Support single-mode (in addtion to exec-mode) compilation
+- Support single-mode (in addition to exec-mode) compilation
 - Start to DRY Python 2 and Python 3 grammars
 - Fix bug in if else ternary  construct
 - Fix bug in uncomplye6 -d and -r options (via lelicopter)

README.rst

@@ -1,4 +1,4 @@
-|buildstatus| |Supported Python Versions|
+|buildstatus|
 
 uncompyle6
 ==========
@@ -12,7 +12,7 @@ Introduction
 
 *uncompyle6* translates Python bytecode back into equivalent Python
 source code. It accepts bytecodes from Python version 1.5, and 2.1 to
-3.6 or so, including PyPy bytecode and Dropbox's Python 2.5 bytecode.
+3.7 or so, including PyPy bytecode and Dropbox's Python 2.5 bytecode.
 
 Why this?
 ---------
@@ -56,7 +56,7 @@ This uses setup.py, so it follows the standard Python routine:
 
 ::
 
-    pip install -r requirements.txt
+    pip install -e .
     pip install -r requirements-dev.txt
     python setup.py install # may need sudo
     # or if you have pyenv:
@@ -171,9 +171,12 @@ See Also
 * https://code.google.com/archive/p/unpyc3/ : supports Python 3.2 only. The above projects use a different decompiling technique than what is used here.
 * https://github.com/figment/unpyc3/ : fork of above, but supports Python 3.3 only. Include some fixes like supporting function annotations
 * The HISTORY_ file.
+* `How to report a bug <https://github.com/rocky/python-uncompyle6/blob/master/HOW-TO-REPORT-A-BUG.md>`_
+* https://github.com/rocky/python-xdis : Cross Python version disassembler
+* https://github.com/rocky/python-xasm : Cross Python version assembler
 
-.. |downloads| image:: https://img.shields.io/pypi/dd/uncompyle6.svg
-.. _trepan: https://pypi.python.org/pypi/trepan
+
+.. _trepan: https://pypi.python.org/pypi/trepan2
 .. _HISTORY: https://github.com/rocky/python-uncompyle6/blob/master/HISTORY.md
 .. _debuggers: https://pypi.python.org/pypi/trepan3k
 .. _remake: https://bashdb.sf.net/remake
@@ -181,7 +184,5 @@ See Also
 .. _this: https://github.com/rocky/python-uncompyle6/wiki/Deparsing-technology-and-its-use-in-exact-location-reporting
 .. |buildstatus| image:: https://travis-ci.org/rocky/python-uncompyle6.svg
 		 :target: https://travis-ci.org/rocky/python-uncompyle6
-.. |Supported Python Versions| image:: https://img.shields.io/pypi/pyversions/uncompyle6.svg
-   :target: https://pypi.python.org/pypi/uncompyle6/
 .. _PJOrion: http://www.koreanrandom.com/forum/topic/15280-pjorion-%D1%80%D0%B5%D0%B4%D0%B0%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5-%D0%BA%D0%BE%D0%BC%D0%BF%D0%B8%D0%BB%D1%8F%D1%86%D0%B8%D1%8F-%D0%B4%D0%B5%D0%BA%D0%BE%D0%BC%D0%BF%D0%B8%D0%BB%D1%8F%D1%86%D0%B8%D1%8F-%D0%BE%D0%B1%D1%84
 .. _Deobfuscator: https://github.com/extremecoders-re/PjOrion-Deobfuscator

__pkginfo__.py

@@ -33,14 +33,14 @@ classifiers =  ['Development Status :: 5 - Production/Stable',
 # The rest in alphabetic order
 author             = "Rocky Bernstein, Hartmut Goebel, John Aycock, and others"
 author_email       = "rb@dustyfeet.com"
-entry_points={
+entry_points       = {
     'console_scripts': [
         'uncompyle6=uncompyle6.bin.uncompile:main_bin',
         'pydisassemble=uncompyle6.bin.pydisassemble:main',
     ]}
 ftp_url            = None
 install_requires   = ['spark-parser >= 1.6.1, < 1.7.0',
-                      'xdis >= 3.3.1, < 3.4.0']
+                      'xdis >= 3.6.0, < 3.7.0']
 license            = 'MIT'
 mailing_list       = 'python-debugger@googlegroups.com'
 modname            = 'uncompyle6'

circle.yml

@@ -6,8 +6,8 @@ machine:
 
 dependencies:
     override:
-        - pip install -r requirements.txt
+        - pip install -e .
         - pip install -r requirements-dev.txt
 test:
     override:
-        - python ./setup.py develop && make check-2.7
+        - python ./setup.py develop && make check-2.6

pytest/test_basic.py

@@ -0,0 +1,11 @@
+from uncompyle6.scanner import get_scanner
+from uncompyle6.parser import get_python_parser
+
+def test_get_scanner():
+    # See that we can retrieve a scanner using a full version number
+    assert get_scanner('2.7.13')
+
+
+def test_get_parser():
+    # See that we can retrieve a sparser using a full version number
+    assert get_python_parser('2.7.13')

pytest/test_deparse.py

@@ -29,7 +29,7 @@ def list_comp():
     [y for y in range(3)]
 
 def get_parsed_for_fn(fn):
-    code = fn.__code__ if PYTHON3 else fn.func_code
+    code = fn.func_code
     return deparse(PYTHON_VERSION, code)
 
 def check_expect(expect, parsed):

pytest/test_docstring.py

@@ -10,7 +10,7 @@ else:
     maxint = sys.maxint
 from uncompyle6.semantics.helper import print_docstring
 
-class PrintFake():
+class PrintFake:
     def __init__(self):
         self.pending_newlines = 0
         self.f = StringIO()

pytest/test_fjt.py

@@ -21,9 +21,8 @@ def bug_loop(disassemble, tb=None):
     disassemble(tb)
 
 def test_if_in_for():
-    code = bug.__code__
+    code = bug.func_code
     scan = get_scanner(PYTHON_VERSION)
-    print(PYTHON_VERSION)
     if 2.7 <= PYTHON_VERSION <= 3.0 and not IS_PYPY:
         n = scan.setup_code(code)
         scan.build_lines_data(code, n)

pytest/test_fstring.py

@@ -1,150 +0,0 @@
-# std
-import os
-# test
-import pytest
-import hypothesis
-from hypothesis import strategies as st
-# uncompyle6
-from uncompyle6 import PYTHON_VERSION, deparse_code
-
-
-@st.composite
-def expressions(draw):
-    # todo : would be nice to generate expressions using hypothesis however
-    # this is pretty involved so for now just use a corpus of expressions
-    # from which to select.
-    return draw(st.sampled_from((
-        'abc',
-        'len(items)',
-        'x + 1',
-        'lineno',
-        'container',
-        'self.attribute',
-        'self.method()',
-        # These expressions are failing, I think these are control
-        # flow problems rather than problems with FORMAT_VALUE,
-        # however I need to confirm this...
-        #'sorted(items, key=lambda x: x.name)',
-        #'func(*args, **kwargs)',
-        #'text or default',
-        #'43 if life_the_universe and everything else None'
-    )))
-
-
-@st.composite
-def format_specifiers(draw):
-    """
-    Generate a valid format specifier using the rules:
-
-    format_spec ::=  [[fill]align][sign][#][0][width][,][.precision][type]
-    fill        ::=  <any character>
-    align       ::=  "<" | ">" | "=" | "^"
-    sign        ::=  "+" | "-" | " "
-    width       ::=  integer
-    precision   ::=  integer
-    type        ::=  "b" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" | "n" | "o" | "s" | "x" | "X" | "%"
-
-    See https://docs.python.org/2/library/string.html
-
-    :param draw: Let hypothesis draw from other strategies.
-
-    :return: An example format_specifier.
-    """
-    alphabet_strategy = st.characters(min_codepoint=ord('a'), max_codepoint=ord('z'))
-    fill = draw(st.one_of(alphabet_strategy, st.none()))
-    align = draw(st.sampled_from(list('<>=^')))
-    fill_align = (fill + align or '') if fill else ''
-
-    type_ = draw(st.sampled_from('bcdeEfFgGnosxX%'))
-    can_have_sign = type_ in 'deEfFgGnoxX%'
-    can_have_comma = type_ in 'deEfFgG%'
-    can_have_precision = type_ in 'fFgG'
-    can_have_pound = type_ in 'boxX%'
-    can_have_zero = type_ in 'oxX'
-
-    sign = draw(st.sampled_from(list('+- ') + [''])) if can_have_sign else ''
-    pound = draw(st.sampled_from(('#', '',))) if can_have_pound else ''
-    zero = draw(st.sampled_from(('0', '',))) if can_have_zero else ''
-
-    int_strategy = st.integers(min_value=1, max_value=1000)
-
-    width = draw(st.one_of(int_strategy, st.none()))
-    width = str(width) if width is not None else ''
-
-    comma = draw(st.sampled_from((',', '',))) if can_have_comma else ''
-    if can_have_precision:
-        precision = draw(st.one_of(int_strategy, st.none()))
-        precision = '.' + str(precision) if precision else ''
-    else:
-        precision = ''
-
-    return ''.join((fill_align, sign, pound, zero, width, comma, precision, type_,))
-
-
-@st.composite
-def fstrings(draw):
-    """
-    Generate a valid f-string.
-    See https://www.python.org/dev/peps/pep-0498/#specification
-
-    :param draw: Let hypothsis draw from other strategies.
-
-    :return: A valid f-string.
-    """
-    character_strategy = st.characters(
-        blacklist_characters='\r\n\'\\s{}',
-        min_codepoint=1,
-        max_codepoint=1000,
-    )
-    is_raw = draw(st.booleans())
-    integer_strategy = st.integers(min_value=0, max_value=3)
-    expression_count = draw(integer_strategy)
-    content = []
-    for _ in range(expression_count):
-        expression = draw(expressions())
-        conversion = draw(st.sampled_from(('', '!s', '!r', '!a',)))
-        has_specifier = draw(st.booleans())
-        specifier = ':' + draw(format_specifiers()) if has_specifier else ''
-        content.append('{{{}{}}}'.format(expression, conversion, specifier))
-        content.append(draw(st.text(character_strategy)))
-    content = ''.join(content)
-    return "f{}'{}'".format('r' if is_raw else '', content)
-
-
-@pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-@hypothesis.given(format_specifiers())
-def test_format_specifiers(format_specifier):
-    """Verify that format_specifiers generates valid specifiers"""
-    try:
-        exec('"{:' + format_specifier + '}".format(0)')
-    except ValueError as e:
-        if 'Unknown format code' not in str(e):
-            raise
-
-
-def run_test(text):
-    hypothesis.assume(len(text))
-    hypothesis.assume("f'{" in text)
-    expr = text + '\n'
-    code = compile(expr, '<string>', 'single')
-    deparsed = deparse_code(PYTHON_VERSION, code, compile_mode='single')
-    recompiled = compile(deparsed.text, '<string>', 'single')
-    if recompiled != code:
-        assert 'dis(' + deparsed.text.strip('\n') + ')' == 'dis(' + expr.strip('\n') + ')'
-
-
-@pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-@hypothesis.given(fstrings())
-def test_uncompyle_fstring(fstring):
-    """Verify uncompyling fstring bytecode"""
-    run_test(fstring)
-
-
-@pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-@pytest.mark.parametrize('fstring', [
-    "f'{abc}{abc!s}'",
-    "f'{abc}0'",
-])
-def test_uncompyle_direct(fstring):
-    """useful for debugging"""
-    run_test(fstring)

pytest/test_function_call.py

@@ -1,175 +0,0 @@
-# std
-import string
-# 3rd party
-from hypothesis import given, assume, example, settings, strategies as st
-import pytest
-# uncompyle
-from validate import validate_uncompyle
-from test_fstring import expressions
-
-
-alpha = st.sampled_from(string.ascii_lowercase)
-numbers = st.sampled_from(string.digits)
-alphanum = st.sampled_from(string.ascii_lowercase + string.digits)
-
-
-@st.composite
-def function_calls(draw,
-                   min_keyword_args=0, max_keyword_args=5,
-                   min_positional_args=0, max_positional_args=5,
-                   min_star_args=0, max_star_args=1,
-                   min_double_star_args=0, max_double_star_args=1):
-    """
-    Strategy factory for generating function calls.
-
-    :param draw: Callable which draws examples from other strategies.
-
-    :return: The function call text.
-    """
-    st_positional_args = st.lists(
-        alpha,
-        min_size=min_positional_args,
-        max_size=max_positional_args
-    )
-    st_keyword_args = st.lists(
-        alpha,
-        min_size=min_keyword_args,
-        max_size=max_keyword_args
-    )
-    st_star_args = st.lists(
-        alpha,
-        min_size=min_star_args,
-        max_size=max_star_args
-    )
-    st_double_star_args = st.lists(
-        alpha,
-        min_size=min_double_star_args,
-        max_size=max_double_star_args
-    )
-
-    positional_args = draw(st_positional_args)
-    keyword_args = draw(st_keyword_args)
-    st_values = st.lists(
-        expressions(),
-        min_size=len(keyword_args),
-        max_size=len(keyword_args)
-    )
-    keyword_args = [
-        x + '=' + e
-        for x, e in
-        zip(keyword_args, draw(st_values))
-    ]
-    star_args = ['*' + x for x in draw(st_star_args)]
-    double_star_args = ['**' + x for x in draw(st_double_star_args)]
-
-    arguments = positional_args + keyword_args + star_args + double_star_args
-    draw(st.randoms()).shuffle(arguments)
-    arguments = ','.join(arguments)
-
-    function_call = 'fn({arguments})'.format(arguments=arguments)
-    try:
-        # TODO: Figure out the exact rules for ordering of positional, keyword,
-        # star args, double star args and in which versions the various
-        # types of arguments are supported so we don't need to check that the
-        # expression compiles like this.
-        compile(function_call, '<string>', 'single')
-    except:
-        assume(False)
-    return function_call
-
-
-def test_function_no_args():
-    validate_uncompyle("fn()")
-
-
-def isolated_function_calls(which):
-    """
-    Returns a strategy for generating function calls, but isolated to 
-    particular types of arguments, for example only positional arguments.
-
-    This can help reason about debugging errors in specific types of function
-    calls.
-
-    :param which: One of 'keyword', 'positional', 'star', 'double_star'
-
-    :return: Strategy for generating an function call isolated to specific
-             argument types.
-    """
-    kwargs = dict(
-        max_keyword_args=0,
-        max_positional_args=0,
-        max_star_args=0,
-        max_double_star_args=0,
-    )
-    kwargs['_'.join(('min', which, 'args'))] = 1
-    kwargs['_'.join(('max', which, 'args'))] = 5 if 'star' not in which else 1
-    return function_calls(**kwargs)
-
-
-with settings(max_examples=25):
-
-    @given(isolated_function_calls('positional'))
-    @example("fn(0)")
-    def test_function_positional_only(expr):
-        validate_uncompyle(expr)
-
-    @given(isolated_function_calls('keyword'))
-    @example("fn(a=0)")
-    def test_function_call_keyword_only(expr):
-        validate_uncompyle(expr)
-
-    @given(isolated_function_calls('star'))
-    @example("fn(*items)")
-    def test_function_call_star_only(expr):
-        validate_uncompyle(expr)
-
-    @given(isolated_function_calls('double_star'))
-    @example("fn(**{})")
-    def test_function_call_double_star_only(expr):
-        validate_uncompyle(expr)
-
-
-@pytest.mark.xfail()
-def test_BUILD_CONST_KEY_MAP_BUILD_MAP_UNPACK_WITH_CALL_BUILD_TUPLE_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(w=0,m=0,**v)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_MAP_BUILD_MAP_UNPACK_WITH_CALL_BUILD_TUPLE_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(a=0,**g)")
-
-
-@pytest.mark.xfail()
-def test_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(*g,**j)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_MAP_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(*z,u=0)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_TUPLE_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(**a)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_MAP_BUILD_TUPLE_BUILD_TUPLE_UNPACK_WITH_CALL_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(b,b,b=0,*a)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_TUPLE_BUILD_TUPLE_UNPACK_WITH_CALL_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(*c,v)")
-
-
-@pytest.mark.xfail()
-def test_BUILD_CONST_KEY_MAP_CALL_FUNCTION_EX():
-    validate_uncompyle("fn(i=0,y=0,*p)")
-
-
-@pytest.mark.skip(reason='skipping property based test until all individual tests are passing')
-@given(function_calls())
-def test_function_call(function_call):
-    validate_uncompyle(function_call)

pytest/test_pysource.py

@@ -0,0 +1,160 @@
+from uncompyle6 import PYTHON3
+from uncompyle6.semantics.consts import (
+    escape, NONE,
+    # RETURN_NONE, PASS, RETURN_LOCALS
+)
+
+if PYTHON3:
+    from io import StringIO
+else:
+    from StringIO import StringIO
+
+from uncompyle6.semantics.pysource import SourceWalker as SourceWalker
+
+def test_template_engine():
+    s = StringIO()
+    sw = SourceWalker(2.7, s, None)
+    sw.ast = NONE
+    sw.template_engine(('--%c--', 0), NONE)
+    print(sw.f.getvalue())
+    assert sw.f.getvalue() == '--None--'
+    # FIXME: and so on...
+
+from uncompyle6.semantics.consts import (
+    TABLE_R, TABLE_DIRECT,
+    )
+
+from uncompyle6.semantics.fragments import (
+    TABLE_DIRECT_FRAGMENT,
+    )
+
+def test_tables():
+    for t, name, fragment in (
+            (TABLE_DIRECT, 'TABLE_DIRECT', False),
+            (TABLE_R, 'TABLE_R', False),
+            (TABLE_DIRECT_FRAGMENT, 'TABLE_DIRECT_FRAGMENT', True)):
+        for k, entry in t.iteritems():
+            fmt = entry[0]
+            arg = 1
+            i = 0
+            m = escape.search(fmt)
+            print("%s[%s]" % (name, k))
+            while m:
+                i = m.end()
+                typ = m.group('type') or '{'
+                if typ in frozenset(['%', '+', '-', '|', ',', '{']):
+                    # No args
+                    pass
+                elif typ in frozenset(['c', 'p', 'P', 'C', 'D']):
+                    # One arg - should be int or tuple of int
+                    if typ == 'c':
+                        assert isinstance(entry[arg], int), (
+                            "%s[%s][%d] type %s is '%s' should be an int but is %s. "
+                            "Full entry: %s" %
+                            (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                    elif typ in frozenset(['C', 'D']):
+                        tup = entry[arg]
+                        assert isinstance(tup, tuple), (
+                            "%s[%s][%d] type %s is %s should be an tuple but is %s. "
+                            "Full entry: %s" %
+                            (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                        assert len(tup) == 3
+                        for j, x in enumerate(tup[:-1]):
+                            assert isinstance(x, int), (
+                                "%s[%s][%d][%d] type %s is %s should be an tuple but is %s. "
+                                "Full entry: %s" %
+                                (name, k, arg, j, typ, x, type(x), entry)
+                                )
+                        assert isinstance(tup[-1], str) or tup[-1] is None, (
+                                "%s[%s][%d][%d] sep type %s is %s should be an string but is %s. "
+                                "Full entry: %s" %
+                                (name, k, arg, j, typ, tup[-1], type(x), entry)
+                                )
+
+                    elif typ == 'P':
+                        tup = entry[arg]
+                        assert isinstance(tup, tuple), (
+                            "%s[%s][%d] type %s is %s should be an tuple but is %s. "
+                            "Full entry: %s" %
+                            (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                        assert len(tup) == 4
+                        for j, x in enumerate(tup[:-2]):
+                            assert isinstance(x, int), (
+                                "%s[%s][%d][%d] type %s is '%s' should be an tuple but is %s. "
+                                "Full entry: %s" %
+                                (name, k, arg, j, typ, x, type(x), entry)
+                                )
+                        assert isinstance(tup[-2], str), (
+                                "%s[%s][%d][%d] sep type %s is '%s' should be an string but is %s. "
+                                "Full entry: %s" %
+                                (name, k, arg, j, typ, x, type(x), entry)
+                                )
+                        assert isinstance(tup[1], int), (
+                                "%s[%s][%d][%d] prec type %s is '%s' should be an int but is %s. "
+                                "Full entry: %s" %
+                                (name, k, arg, j, typ, x, type(x), entry)
+                                )
+
+                    else:
+                        # Should be a tuple which contains only ints
+                        tup = entry[arg]
+                        assert isinstance(tup, tuple), (
+                            "%s[%s][%d] type %s is '%s' should be an tuple but is %s. "
+                            "Full entry: %s" %
+                            (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                        assert len(tup) == 2
+                        for j, x in enumerate(tup):
+                            assert isinstance(x, int), (
+                                "%s[%s][%d][%d] type '%s' is '%s should be an int but is %s. Full entry: %s" %
+                                (name, k, arg, j, typ, x, type(x), entry)
+                                )
+                        pass
+                    arg += 1
+                elif typ in frozenset(['r']) and fragment:
+                    pass
+                elif typ == 'b' and fragment:
+                    assert isinstance(entry[arg], int), (
+                        "%s[%s][%d] type %s is '%s' should be an int but is %s. "
+                        "Full entry: %s" %
+                        (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                        )
+                    arg += 1
+                elif typ == 'x' and fragment:
+                    tup = entry[arg]
+                    assert isinstance(tup, tuple), (
+                        "%s[%s][%d] type %s is '%s' should be an tuple but is %s. "
+                        "Full entry: %s" %
+                        (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                    assert len(tup) == 2
+                    assert isinstance(tup[0], int), (
+                        "%s[%s][%d] source type %s is '%s' should be an int but is %s. "
+                        "Full entry: %s" %
+                        (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                    assert isinstance(tup[1], tuple), (
+                        "%s[%s][%d] dest type %s is '%s' should be an tuple but is %s. "
+                        "Full entry: %s" %
+                        (name, k, arg, typ, entry[arg], type(entry[arg]), entry)
+                            )
+                    for j, x in enumerate(tup[1]):
+                        assert isinstance(x, int), (
+                            "%s[%s][%d][%d] type %s is %s should be an int but is %s. Full entry: %s" %
+                            (name, k, arg, j, typ, x, type(x), entry)
+                            )
+                    arg += 1
+                    pass
+                else:
+                    assert False, (
+                        "%s[%s][%d] type %s is not known. Full entry: %s" %
+                            (name, k, arg, typ, entry)
+                        )
+                m = escape.search(fmt, i)
+                pass
+            assert arg == len(entry), (
+                "%s[%s] arg %d should be length of entry %d. Full entry: %s" %
+                            (name, k, arg, len(entry), entry))

pytest/test_single_compile.py

@@ -1,19 +1,19 @@
-import pytest
-from uncompyle6 import PYTHON_VERSION, PYTHON3, deparse_code
+from uncompyle6 import PYTHON_VERSION, deparse_code
 
-def test_single_mode():
-    single_expressions = (
-        'i = 1',
-        'i and (j or k)',
-        'i += 1',
-        'i = j % 4',
-        'i = {}',
-        'i = []',
-        'for i in range(10):\n    i\n',
-        'for i in range(10):\n    for j in range(10):\n        i + j\n',
-        'try:\n    i\nexcept Exception:\n    j\nelse:\n    k\n'
-    )
+if PYTHON_VERSION >= 2.5:
+    def test_single_mode():
+        single_expressions = (
+            'i = 1',
+            'i and (j or k)',
+            'i += 1',
+            'i = j % 4',
+            'i = {}',
+            'i = []',
+            'for i in range(10):\n    i\n',
+            'for i in range(10):\n    for j in range(10):\n        i + j\n',
+            'try:\n    i\nexcept Exception:\n    j\nelse:\n    k\n'
+        )
 
-    for expr in single_expressions:
-        code = compile(expr + '\n', '<string>', 'single')
-        assert deparse_code(PYTHON_VERSION, code, compile_mode='single').text == expr + '\n'
+        for expr in single_expressions:
+            code = compile(expr + '\n', '<string>', 'single')
+            assert deparse_code(PYTHON_VERSION, code, compile_mode='single').text == expr + '\n'

pytest/validate.py

@@ -1,24 +1,25 @@
-# future
-from __future__ import print_function
 # std
 import os
 import difflib
 import subprocess
 import tempfile
-import functools
-# compatability
-import six
+
+from StringIO import StringIO
 # uncompyle6 / xdis
 from uncompyle6 import PYTHON_VERSION, IS_PYPY, deparse_code
 # TODO : I think we can get xdis to support the dis api (python 3 version) by doing something like this there
 from xdis.bytecode import Bytecode
 from xdis.main import get_opcode
 opc = get_opcode(PYTHON_VERSION, IS_PYPY)
-Bytecode = functools.partial(Bytecode, opc=opc)
 
+try:
+    import functools
+    Bytecode = functools.partial(Bytecode, opc=opc)
+    def _dis_to_text(co):
+        return Bytecode(co).dis()
+except:
+    pass
 
-def _dis_to_text(co):
-    return Bytecode(co).dis()
 
 
 def print_diff(original, uncompyled):
@@ -42,8 +43,11 @@ def print_diff(original, uncompyled):
         print('\nTo display diff highlighting run:\n    pip install BeautifulSoup4')
         diff = difflib.HtmlDiff().make_table(*args)
 
-    with tempfile.NamedTemporaryFile(delete=False) as f:
+    f = tempfile.NamedTemporaryFile(delete=False)
+    try:
         f.write(str(diff).encode('utf-8'))
+    finally:
+        f.close()
 
     try:
         print()
@@ -60,8 +64,7 @@ def print_diff(original, uncompyled):
         print('\nFor side by side diff install elinks')
         diff = difflib.Differ().compare(original_lines, uncompyled_lines)
         print('\n'.join(diff))
-    finally:
-        os.unlink(f.name)
+    os.unlink(f.name)
 
 
 def are_instructions_equal(i1, i2):
@@ -123,7 +126,10 @@ def validate_uncompyle(text, mode='exec'):
     original_text = text
 
     deparsed = deparse_code(PYTHON_VERSION, original_code,
-                            compile_mode=mode, out=six.StringIO())
+
+                            compile_mode=mode,
+                            out=StringIO(),
+                            is_pypy=IS_PYPY)
     uncompyled_text = deparsed.text
     uncompyled_code = compile(uncompyled_text, '<string>', 'exec')
 

requirements-dev.txt

@@ -1,4 +1,3 @@
 pytest>=3.0.0
 flake8
 hypothesis
-six

test/Makefile

@@ -19,7 +19,7 @@ check:
 	$(MAKE) check-$(PYTHON_VERSION)
 
 #: Run working tests from Python 2.6 or 2.7
-check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1 check-native-short
+check-2.4 check-2.5 check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1  check-native-short
 
 #: Run working tests from Python 3.0
 check-3.0: check-bytecode
@@ -67,7 +67,7 @@ check-bytecode-2:
 check-bytecode-3:
 	$(PYTHON) test_pythonlib.py --bytecode-3.0 \
        --bytecode-3.1 --bytecode-3.2 --bytecode-3.3 \
-       --bytecode-3.4 --bytecode-3.5 --bytecode-pypy3.2
+       --bytecode-3.4 --bytecode-3.5 --bytecode-3.6 --bytecode-pypy3.2
 
 #: Check deparsing bytecode that works running Python 2 and Python 3
 check-bytecode: check-bytecode-3
@@ -97,29 +97,6 @@ check-bytecode-2.4:
 check-bytecode-2.5:
 	$(PYTHON) test_pythonlib.py --bytecode-2.5
 
-#: Get grammar coverage for Python 2.5
-grammar-coverage-2.5:
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-25.cover $(PYTHON) test_pythonlib.py --bytecode-2.5
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-25.cover $(PYTHON) test_pyenvlib.py --2.5.6
-
-#: Get grammar coverage for Python 2.6
-grammar-coverage-2.6:
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-26.cover $(PYTHON) test_pythonlib.py --bytecode-2.6
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-26.cover $(PYTHON) test_pyenvlib.py --2.6.9
-
-#: Get grammar coverage for Python 2.7
-grammar-coverage-2.7:
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-27.cover $(PYTHON) test_pythonlib.py --bytecode-2.7
-	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-27.cover $(PYTHON) test_pyenvlib.py --2.7.13
-
-#: Check deparsing Python 2.6
-check-bytecode-2.6:
-	$(PYTHON) test_pythonlib.py --bytecode-2.6 --weak-verify
-
-#: Check deparsing Python 2.7
-check-bytecode-2.7:
-	$(PYTHON) test_pythonlib.py --bytecode-2.7 --verify
-
 #: Check deparsing Python 3.0
 check-bytecode-3.0:
 	$(PYTHON) test_pythonlib.py --bytecode-3.0
@@ -148,9 +125,33 @@ check-bytecode-3.5:
 check-bytecode-3.6:
 	$(PYTHON) test_pythonlib.py --bytecode-3.6
 
+#: Get grammar coverage for Python 2.4
+grammar-coverage-2.4:
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-24.cover $(PYTHON) test_pythonlib.py --bytecode-2.4
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-24.cover $(PYTHON) test_pyenvlib.py --2.4.6
+
+#: Get grammar coverage for Python 2.5
+grammar-coverage-2.5:
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-25.cover $(PYTHON) test_pythonlib.py --bytecode-2.5
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-25.cover $(PYTHON) test_pyenvlib.py --2.5.6
+
+#: Get grammar coverage for Python 2.6
+grammar-coverage-2.6:
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-26.cover $(PYTHON) test_pythonlib.py --bytecode-2.6
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-26.cover $(PYTHON) test_pyenvlib.py --2.6.9
+
+#: Get grammar coverage for Python 2.7
+grammar-coverage-2.7:
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-27.cover $(PYTHON) test_pythonlib.py --bytecode-2.7
+	SPARK_PARSER_COVERAGE=/tmp/spark-grammar-27.cover $(PYTHON) test_pyenvlib.py --2.7.13
+
 #: short tests for bytecodes only for this version of Python
 check-native-short:
-	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION) --verify $(COMPILE)
+	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION) --weak-verify $(COMPILE)
+
+#: Run longer Python 2.6's lib files known to be okay
+check-2.4-ok:
+	$(PYTHON) test_pythonlib.py --ok-2.4 --verify $(COMPILE)
 
 #: Run longer Python 2.6's lib files known to be okay
 check-2.6-ok:

test/dis-compare.py

@@ -1,9 +1,8 @@
 #!/usr/bin/env python
 # Mode: -*- python -*-
 #
-# Copyright (c) 2015 by Rocky Bernstein <rb@dustyfeet.com>
+# Copyright (c) 2015, 2017 by Rocky Bernstein <rb@dustyfeet.com>
 #
-from __future__ import print_function
 
 
 import dis, os.path

test/simple-uncompyle-code-test.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
-
 from uncompyle6 import uncompyle
 import sys, inspect
 

test/simple_source/bug26/03_loop_if_cf.py

@@ -0,0 +1,19 @@
+# Bug in < 2.6 is having a COME_FROM_LOOP (but we
+# don't tag that so it is just COME_FROM *before*
+# a jump back to the loop.
+def pickup(self, open_players, open_buf, wrap_buf):
+   for aplayer in self._game.active_players:
+
+      if aplayer in open_players:
+         aplayer.send(open_players)
+
+         if self == aplayer:
+            for awatcher in self._watchers:
+               if awatcher._can_see_detail:
+                  awatcher.send(open_buf)
+               else:
+                  awatcher.send(wrap_buf)
+         else:
+            self._game.send(aplayer.side)
+      else:
+         self._game.send(aplayer.side, wrap_buf)

test/simple_source/bug31/04_def_annotate.py

@@ -9,7 +9,7 @@ def open(file, mode = "r", buffering = None,
          newline = None, closefd = True) -> "IOBase":
     return text
 
-def foo(x: 'an argument that defaults to 5' = 5):
+def foo1(x: 'an argument that defaults to 5' = 5):
     print(x)
 
 def div(a: dict(type=float, help='the dividend'),

test/simple_source/bug35/04_CALL_FUNCTION_VAR_KW.py

@@ -1,4 +1,5 @@
 # sql/schema.py
+# Note that kwargs comes before "positional" args
 def tometadata(self, metadata, schema, Table, args, name=None):
     table = Table(
         name, metadata, schema=schema,

test/test_pyenvlib.py

@@ -19,8 +19,6 @@ Step 2: Run the test:
 	  test_pyenvlib --mylib --verify # decompile verify 'mylib'
 """
 
-from __future__ import print_function
-
 from uncompyle6 import main, PYTHON3
 import os, time, shutil, sys
 from fnmatch import fnmatch
@@ -29,7 +27,7 @@ from fnmatch import fnmatch
 
 TEST_VERSIONS=('2.3.7', '2.4.6', '2.5.6', '2.6.9',
                'pypy-2.4.0', 'pypy-2.6.1',
-               'pypy-5.0.1', 'pypy-5.3.1',
+               'pypy-5.0.1', 'pypy-5.3.1', 'pypy3.5-5.7.1-beta',
                '2.7.10', '2.7.11', '2.7.12', '2.7.13',
                '3.0.1', '3.1.5', '3.2.6',
                '3.3.5', '3.3.6',

test/test_pythonlib.py

@@ -27,8 +27,6 @@ Step 2: Run the test:
   test_pythonlib.py --mylib --verify # decompile verify 'mylib'
 """
 
-from __future__ import print_function
-
 import getopt, os, py_compile, sys, shutil, tempfile, time
 
 from uncompyle6 import PYTHON_VERSION
@@ -127,8 +125,10 @@ def do_tests(src_dir, obj_patterns, target_dir, opts):
     if opts['do_compile']:
         compiled_version = opts['compiled_version']
         if compiled_version and PYTHON_VERSION != compiled_version:
-            print("Not compiling: desired Python version is %s but we are running %s" %
-                  (compiled_version, PYTHON_VERSION), file=sys.stderr)
+            sys.stderr.write("Not compiling: "
+                             "desired Python version is %s "
+                             "but we are running %s" %
+                             (compiled_version, PYTHON_VERSION))
         else:
             for root, dirs, basenames in os.walk(src_dir):
                 file_matches(files, root, basenames, PY)
@@ -146,8 +146,8 @@ def do_tests(src_dir, obj_patterns, target_dir, opts):
         file_matches(files, dirname, basenames, obj_patterns)
 
     if not files:
-        print("Didn't come up with any files to test! Try with --compile?",
-              file=sys.stderr)
+        sys.stderr.write("Didn't come up with any files to test! "
+                         "Try with --compile?")
         exit(1)
 
     os.chdir(cwd)
@@ -161,21 +161,21 @@ def do_tests(src_dir, obj_patterns, target_dir, opts):
         except ValueError:
             pass
 
-    print(time.ctime())
-    print('Source directory: ', src_dir)
-    print('Output directory: ', target_dir)
+    print time.ctime()
+    print 'Source directory: ', src_dir
+    print 'Output directory: ', target_dir
     try:
         _, _, failed_files, failed_verify = \
           main(src_dir, target_dir, files, [],
                do_verify=opts['do_verify'])
         if failed_files != 0:
-            exit(2)
+            sys.exit(2)
         elif failed_verify != 0:
-            exit(3)
+            sys.exit(3)
 
     except (KeyboardInterrupt, OSError):
         print()
-        exit(1)
+        sys.exit(1)
     if test_opts['rmtree']:
         parent_dir = os.path.dirname(target_dir)
         print("Everything good, removing %s" % parent_dir)
@@ -236,14 +236,13 @@ if __name__ == '__main__':
         if os.path.isdir(src_dir):
             checked_dirs.append([src_dir, pattern, target_dir])
         else:
-            print("Can't find directory %s. Skipping" % src_dir,
-                  file=sys.stderr)
+            sys.stderr.write("Can't find directory %s. Skipping" % src_dir)
             continue
         last_compile_version = compiled_version
         pass
 
     if not checked_dirs:
-        print("No directories found to check", file=sys.stderr)
+        sys.stderr.write("No directories found to check\n")
         sys.exit(1)
 
     test_opts['compiled_version'] = last_compile_version

uncompyle6/bin/pydisassemble.py

@@ -3,7 +3,6 @@
 #
 # Copyright (c) 2015-2016 by Rocky Bernstein <rb@dustyfeet.com>
 #
-from __future__ import print_function
 import sys, os, getopt
 
 from uncompyle6.disas import disassemble_file
@@ -26,7 +25,7 @@ Options:
   -V | --version     show version and stop
   -h | --help        show this message
 
-""".format(program)
+""" % (program, program)
 
 PATTERNS = ('*.pyc', '*.pyo')
 
@@ -37,15 +36,15 @@ Type -h for for full help.""" % program
     native = True
 
     if len(sys.argv) == 1:
-        print("No file(s) given", file=sys.stderr)
-        print(Usage_short, file=sys.stderr)
+        sys.stderr.write("No file(s) given\n")
+        sys.stderr.write(Usage_short)
         sys.exit(1)
 
     try:
         opts, files = getopt.getopt(sys.argv[1:], 'hVU',
                                     ['help', 'version', 'uncompyle6'])
-    except getopt.GetoptError as e:
-        print('%s: %s' % (os.path.basename(sys.argv[0]), e),  file=sys.stderr)
+    except getopt.GetoptError(e):
+        sys.stderr.write('%s: %s' % (os.path.basename(sys.argv[0]), e))
         sys.exit(-1)
 
     for opt, val in opts:
@@ -59,15 +58,14 @@ Type -h for for full help.""" % program
             native = False
         else:
             print(opt)
-            print(Usage_short, file=sys.stderr)
+            sys.stderr.write(Usage_short)
             sys.exit(1)
 
     for file in files:
         if os.path.exists(files[0]):
             disassemble_file(file, sys.stdout, native)
         else:
-            print("Can't read %s - skipping" % files[0],
-                  file=sys.stderr)
+            sys.stderr.write("Can't read %s - skipping\n" % files[0])
             pass
         pass
     return

uncompyle6/bin/uncompile.py

@@ -4,7 +4,6 @@
 # Copyright (c) 2015-2016 by Rocky Bernstein
 # Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
 #
-from __future__ import print_function
 import sys, os, getopt, time
 
 program, ext = os.path.splitext(os.path.basename(__file__))
@@ -65,11 +64,11 @@ def usage():
 
 
 def main_bin():
-    if not (sys.version_info[0:2] in ((2, 6), (2, 7),
-                                      (3, 1), (3, 2), (3, 3),
+    if not (sys.version_info[0:2] in ((2, 4), (2, 5), (2, 6), (2, 7),
+                                      (3, 2), (3, 3),
                                       (3, 4), (3, 5), (3, 6))):
-        print('Error: %s requires Python 2.6-2.7, or 3.1-3.6' % program,
-              file=sys.stderr)
+        sys.stderr.write('Error: %s requires Python 2.4 2.5 2.6, 2.7, '
+                         '3.2, 3.3, 3.4, 3.5, or 3.6' % program)
         sys.exit(-1)
 
     do_verify = recurse_dirs = False
@@ -84,8 +83,8 @@ def main_bin():
         opts, files = getopt.getopt(sys.argv[1:], 'hagtdrVo:c:p:',
                                     'help asm grammar linemaps recurse timestamp tree '
                                     'verify version showgrammar'.split(' '))
-    except getopt.GetoptError as e:
-        print('%s: %s' % (os.path.basename(sys.argv[0]), e),  file=sys.stderr)
+    except getopt.GetoptError(e):
+        sys.stderr.write('%s: %s\n' % (os.path.basename(sys.argv[0]), e))
         sys.exit(-1)
 
     options = {}
@@ -119,7 +118,7 @@ def main_bin():
         elif opt in ('--recurse', '-r'):
             recurse_dirs = True
         else:
-            print(opt, file=sys.stderr)
+            sys.stderr.write(opt)
             usage()
 
     # expand directory if specified
@@ -144,7 +143,7 @@ def main_bin():
         files = [f[sb_len:] for f in files]
 
     if not files:
-        print("No files given", file=sys.stderr)
+        sys.stderr.write("No files given\n")
         usage()
 
     if outfile == '-':

uncompyle6/disas.py

@@ -16,8 +16,6 @@ Second, we need structured instruction information for the
 want to run on Python 2.7.
 """
 
-from __future__ import print_function
-
 import sys
 from collections import deque
 
@@ -37,10 +35,9 @@ def disco(version, co, out=None, is_pypy=False):
 
     # store final output stream for case of error
     real_out = out or sys.stdout
-    print('# Python %s' % version, file=real_out)
+    real_out.write('# Python %s\n' % version)
     if co.co_filename:
-        print('# Embedded file name: %s' % co.co_filename,
-              file=real_out)
+        real_out.write('# Embedded file name: %s\n' % co.co_filename)
 
     scanner = get_scanner(version, is_pypy=is_pypy)
 
@@ -52,16 +49,15 @@ def disco_loop(disasm, queue, real_out):
     while len(queue) > 0:
         co = queue.popleft()
         if co.co_name != '<module>':
-            print('\n# %s line %d of %s' %
-                      (co.co_name, co.co_firstlineno, co.co_filename),
-                      file=real_out)
+            real_out.write('\n# %s line %d of %s\n' %
+                      (co.co_name, co.co_firstlineno, co.co_filename))
         tokens, customize = disasm(co)
         for t in tokens:
             if iscode(t.pattr):
                 queue.append(t.pattr)
             elif iscode(t.attr):
                 queue.append(t.attr)
-            print(t, file=real_out)
+            real_out.write(t)
             pass
         pass
 

uncompyle6/linenumbers.py

@@ -10,7 +10,7 @@ def line_number_mapping(pyc_filename, src_filename):
      source_size) = load_module(pyc_filename)
     try:
         code2 = load_file(src_filename)
-    except SyntaxError as e:
+    except SyntaxError, e:
         return str(e)
 
     queue = deque([code1, code2])

uncompyle6/main.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import datetime, os, subprocess, sys, tempfile
 
 from uncompyle6 import verify, IS_PYPY
@@ -22,31 +21,36 @@ def decompile(
 
     # store final output stream for case of error
     real_out = out or sys.stdout
-    co_pypy_str = 'PyPy ' if is_pypy else ''
-    run_pypy_str = 'PyPy ' if IS_PYPY else ''
-    print('# uncompyle6 version %s\n'
-          '# %sPython bytecode %s%s\n# Decompiled from: %sPython %s' %
-          (VERSION, co_pypy_str, bytecode_version,
-           " (%d)" % magic_int if magic_int else "",
-           run_pypy_str, '\n# '.join(sys.version.split('\n'))),
-           file=real_out)
-    if co.co_filename:
-        print('# Embedded file name: %s' % co.co_filename,
-              file=real_out)
-    if timestamp:
-        print('# Compiled at: %s' % datetime.datetime.fromtimestamp(timestamp),
-              file=real_out)
-    if source_size:
-        print('# Size of source mod 2**32: %d bytes' % source_size,
-               file=real_out)
+    if is_pypy:
+        co_pypy_str = 'PyPy '
+    else:
+        co_pypy_str = ''
 
-    try:
-        pysource.deparse_code(bytecode_version, co, out, showasm, showast,
-                              showgrammar, code_objects=code_objects,
-                              is_pypy=is_pypy)
-    except pysource.SourceWalkerError as e:
-        # deparsing failed
-        raise pysource.SourceWalkerError(str(e))
+    if IS_PYPY:
+        run_pypy_str = 'PyPy '
+    else:
+        run_pypy_str = ''
+
+    if magic_int:
+        m = str(magic_int)
+    else:
+        m = ""
+    real_out.write('# uncompyle6 version %s\n'
+          '# %sPython bytecode %s%s\n# Decompiled from: %sPython %s\n' %
+          (VERSION, co_pypy_str, bytecode_version,
+           " (%s)" % m, run_pypy_str,
+           '\n# '.join(sys.version.split('\n'))))
+    if co.co_filename:
+        real_out.write('# Embedded file name: %s\n' % co.co_filename)
+    if timestamp:
+        real_out.write('# Compiled at: %s\n' %
+                       datetime.datetime.fromtimestamp(timestamp))
+    if source_size:
+        real_out.write('# Size of source mod 2**32: %d bytes\n' % source_size)
+
+    pysource.deparse_code(bytecode_version, co, out, showasm, showast,
+                          showgrammar, code_objects=code_objects,
+                          is_pypy=is_pypy)
 
 # For compatiblity
 uncompyle = decompile
@@ -128,7 +132,10 @@ def main(in_base, out_base, files, codes, outfile=None,
                 junk, outfile = tempfile.mkstemp(suffix=".py",
                                              prefix=prefix)
                 # Unbuffer output if possible
-                buffering = -1 if sys.stdout.isatty() else 0
+                if sys.stdout.isatty():
+                    buffering = -1
+                else:
+                    buffering = 0
                 sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', buffering)
                 tee = subprocess.Popen(["tee", outfile], stdin=subprocess.PIPE)
                 os.dup2(tee.stdin.fileno(), sys.stdout.fileno())
@@ -145,9 +152,9 @@ def main(in_base, out_base, files, codes, outfile=None,
         try:
             decompile_file(infile, outstream, showasm, showast, showgrammar)
             tot_files += 1
-        except (ValueError, SyntaxError, ParserError, pysource.SourceWalkerError) as e:
+        except (ValueError, SyntaxError, ParserError, pysource.SourceWalkerError):
             sys.stdout.write("\n")
-            sys.stderr.write("\n# file %s\n# %s\n" % (infile, e))
+            sys.stderr.write("# file %s\n" % (infile))
             failed_files += 1
         except KeyboardInterrupt:
             if outfile:
@@ -181,24 +188,28 @@ def main(in_base, out_base, files, codes, outfile=None,
                         msg = verify.compare_code_with_srcfile(infile, current_outfile, weak_verify=weak_verify)
                         if not current_outfile:
                             if not msg:
-                                print('\n# okay decompiling %s' % infile)
+                                print '\n# okay decompiling %s' % infile
                                 okay_files += 1
                             else:
-                                print('\n# %s\n\t%s', infile, msg)
-                    except verify.VerifyCmpError as e:
+                                print '\n# %s\n\t%s', infile, msg
+                    except verify.VerifyCmpError, e:
                         print(e)
                         verify_failed_files += 1
                         os.rename(current_outfile, current_outfile + '_unverified')
                         sys.stderr.write("### Error Verifying %s\n" % filename)
                         sys.stderr.write(str(e) + "\n")
                         if not outfile:
+                            sys.stder.write("### Error Verifiying %s" %
+                                            filename)
+                            sys.stderr.write(e)
                             if raise_on_error:
                                 raise
                             pass
                         pass
                 pass
             elif do_verify:
-                sys.stderr.write("\n### uncompile successful, but no file to compare against\n")
+                sys.stderr.write("\n### uncompile successful, "
+                                 "but no file to compare against")
                 pass
             else:
                 okay_files += 1

uncompyle6/parser.py

@@ -6,15 +6,13 @@
 Common uncompyle parser routines.
 """
 
-from __future__ import print_function
-
 import sys
 
 from xdis.code import iscode
+from xdis.magics import py_str2float
 from spark_parser import GenericASTBuilder, DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
 from uncompyle6.show import maybe_show_asm
 
-
 class ParserError(Exception):
     def __init__(self, token, offset):
         self.token = token
@@ -30,13 +28,13 @@ class PythonParser(GenericASTBuilder):
 
     def __init__(self, AST, start, debug):
         super(PythonParser, self).__init__(AST, start, debug)
-        self.collect = frozenset(
-            ['stmts', 'except_stmts', '_stmts', 'load_attrs',
-             'exprlist', 'kvlist', 'kwargs', 'come_froms', '_come_from',
-              # Python < 3
-             'print_items',
-             # PyPy:
-             'kvlist_n'])
+        self.collect = [
+            'stmts', 'except_stmts', '_stmts', 'load_attrs',
+            'exprlist', 'kvlist', 'kwargs', 'come_froms', '_come_from',
+            # Python < 3
+            'print_items',
+            # PyPy:
+            'kvlist_n']
 
     def ast_first_offset(self, ast):
         if hasattr(ast, 'offset'):
@@ -92,7 +90,10 @@ class PythonParser(GenericASTBuilder):
         def fix(c):
             s = str(c)
             i = s.find('_')
-            return s if i == -1 else s[:i]
+            if i == -1:
+                return s
+            else:
+                return s[:i]
 
         prefix = ''
         if parent and tokens:
@@ -123,7 +124,10 @@ class PythonParser(GenericASTBuilder):
         err_token = instructions[index]
         print("Instruction context:")
         for i in range(start, finish):
-            indent = '   ' if i != index else '-> '
+            if i != index:
+                indent = '   '
+            else:
+                indent = '-> '
             print("%s%s" % (indent, instructions[i]))
         raise ParserError(err_token, err_token.offset)
 
@@ -605,7 +609,15 @@ def get_python_parser(
     explanation of the different modes.
     """
 
+    # If version is a string, turn that into the corresponding float.
+    if isinstance(version, str):
+        version = py_str2float(version)
+
     # FIXME: there has to be a better way...
+    # We could do this as a table lookup, but that would force us
+    # in import all of the parsers all of the time. Perhaps there is
+    # a lazy way of doing the import?
+
     if version < 3.0:
         if version == 1.5:
             import uncompyle6.parsers.parse15 as parse15
@@ -758,6 +770,7 @@ def python_parser(version, co, out=sys.stdout, showasm=False,
 if __name__ == '__main__':
     def parse_test(co):
         from uncompyle6 import PYTHON_VERSION, IS_PYPY
+        ast = python_parser('2.7.13', co, showasm=True, is_pypy=True)
         ast = python_parser(PYTHON_VERSION, co, showasm=True, is_pypy=IS_PYPY)
         print(ast)
         return

uncompyle6/parsers/parse2.py

@@ -12,8 +12,6 @@ If we succeed in creating a parse tree, then we have a Python program
 that a later phase can turn into a sequence of ASCII text.
 """
 
-from __future__ import print_function
-
 from uncompyle6.parser import PythonParser, PythonParserSingle, nop_func
 from uncompyle6.parsers.astnode import AST
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG

uncompyle6/parsers/parse26.py

@@ -84,6 +84,12 @@ class Python26Parser(Python2Parser):
         ja_cf_pop ::= JUMP_ABSOLUTE come_froms POP_TOP
         jf_cf_pop ::= JUMP_FORWARD come_froms POP_TOP
 
+        # The first optional COME_FROM when it appears is really
+        # COME_FROM_LOOP, but in <= 2.6 we don't distinguish
+        # this
+
+        cf_jb_cf_pop ::= _come_from JUMP_BACK come_froms POP_TOP
+
         bp_come_from    ::= POP_BLOCK COME_FROM
         jb_bp_come_from ::= JUMP_BACK bp_come_from
 
@@ -111,7 +117,8 @@ class Python26Parser(Python2Parser):
         break_stmt ::= BREAK_LOOP JUMP_BACK
 
         # Semantic actions want else_suitel to be at index 3
-        ifelsestmtl ::= testexpr c_stmts_opt jb_cf_pop else_suitel
+        ifelsestmtl ::= testexpr c_stmts_opt cf_jb_cf_pop else_suitel
+
         ifelsestmtc ::= testexpr c_stmts_opt ja_cf_pop else_suitec
 
         # Semantic actions want suite_stmts_opt to be at index 3

uncompyle6/parsers/parse3.py

@@ -15,11 +15,10 @@ If we succeed in creating a parse tree, then we have a Python program
 that a later phase can turn into a sequence of ASCII text.
 """
 
-from __future__ import print_function
-
 from uncompyle6.parser import PythonParser, PythonParserSingle, nop_func
 from uncompyle6.parsers.astnode import AST
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
+from xdis import PYTHON3
 
 class Python3Parser(PythonParser):
 
@@ -496,8 +495,8 @@ class Python3Parser(PythonParser):
         token.type = self.call_fn_name(token)
         uniq_param = args_kw + args_pos
         if self.version == 3.5 and opname.startswith('CALL_FUNCTION_VAR'):
-            # Python 3.5 changes the stack position of where * args, the
-            # first LOAD_FAST, below are located.
+            # Python 3.5 changes the stack position of *args. KW args come
+            # after *args.
             # Python 3.6+ replaces CALL_FUNCTION_VAR_KW with CALL_FUNCTION_EX
             if opname.endswith('KW'):
                 kw = 'expr '
@@ -507,11 +506,17 @@ class Python3Parser(PythonParser):
                     ('pos_arg ' * args_pos) +
                     ('kwarg ' * args_kw) + kw + token.type)
             self.add_unique_rule(rule, token.type, uniq_param, customize)
-
-        rule = ('call_function ::= expr ' +
-                ('pos_arg ' * args_pos) +
-                ('kwarg ' * args_kw) +
-                'expr ' * nak + token.type)
+        if self.version >= 3.6 and opname == 'CALL_FUNCTION_EX_KW':
+            rule = ('call_function36 ::= '
+                    'expr build_tuple_unpack_with_call build_map_unpack_with_call '
+                    'CALL_FUNCTION_EX_KW_1')
+            self.add_unique_rule(rule, token.type, uniq_param, customize)
+            rule = 'call_function ::= call_function36'
+        else:
+            rule = ('call_function ::= expr ' +
+                    ('pos_arg ' * args_pos) +
+                    ('kwarg ' * args_kw) +
+                    'expr ' * nak + token.type)
 
         self.add_unique_rule(rule, token.type, uniq_param, customize)
         if self.version >= 3.5:
@@ -531,7 +536,10 @@ class Python3Parser(PythonParser):
         """Python 3.3 added a an addtional LOAD_CONST before MAKE_FUNCTION and
         this has an effect on many rules.
         """
-        new_rule = rule % (('LOAD_CONST ') * (1 if  self.version >= 3.3 else 0))
+        if self.version >= 3.3:
+            new_rule = rule % (('LOAD_CONST ') * 1)
+        else:
+            new_rule = rule % (('LOAD_CONST ') * 0)
         self.add_unique_rule(new_rule, opname, attr, customize)
 
     def add_custom_rules(self, tokens, customize):
@@ -610,9 +618,9 @@ class Python3Parser(PythonParser):
                     assign2_pypy ::= expr expr designator designator
                 """, nop_func)
                 continue
-            elif opname in ('CALL_FUNCTION', 'CALL_FUNCTION_VAR',
-                            'CALL_FUNCTION_VAR_KW') \
-                 or opname.startswith('CALL_FUNCTION_KW'):
+            elif (opname in ('CALL_FUNCTION', 'CALL_FUNCTION_VAR',
+                             'CALL_FUNCTION_VAR_KW', 'CALL_FUNCTION_EX_KW')
+                  or opname.startswith('CALL_FUNCTION_KW')):
                 self.custom_classfunc_rule(opname, token, customize)
             elif opname == 'LOAD_DICTCOMP':
                 rule_pat = ("dictcomp ::= LOAD_DICTCOMP %sMAKE_FUNCTION_0 expr "
@@ -633,6 +641,18 @@ class Python3Parser(PythonParser):
                 self.add_unique_rule(rule, opname, token.attr, customize)
                 rule = 'expr ::= build_list_unpack'
                 self.add_unique_rule(rule, opname, token.attr, customize)
+            elif opname.startswith('BUILD_TUPLE_UNPACK_WITH_CALL'):
+                v = token.attr
+                rule = ('build_tuple_unpack_with_call ::= ' + 'expr1024 ' * int(v//1024) +
+                        'expr32 ' * int((v//32) % 32) +
+                        'expr ' * (v % 32) + opname)
+                self.add_unique_rule(rule, opname, token.attr, customize)
+            elif opname.startswith('BUILD_MAP_UNPACK_WITH_CALL'):
+                v = token.attr
+                rule = ('build_map_unpack_with_call ::= ' + 'expr1024 ' * int(v//1024) +
+                        'expr32 ' * int((v//32) % 32) +
+                        'expr ' * (v % 32) + opname)
+                self.add_unique_rule(rule, opname, token.attr, customize)
             elif opname_base in ('BUILD_LIST', 'BUILD_TUPLE', 'BUILD_SET'):
                 v = token.attr
                 rule = ('build_list ::= ' + 'expr1024 ' * int(v//1024) +
@@ -642,7 +662,10 @@ class Python3Parser(PythonParser):
                 if opname_base == 'BUILD_TUPLE':
                     rule = ('load_closure ::= %s%s' % (('LOAD_CLOSURE ' * v), opname))
                     self.add_unique_rule(rule, opname, token.attr, customize)
-
+                    rule = ('build_tuple ::= ' + 'expr1024 ' * int(v//1024) +
+                        'expr32 ' * int((v//32) % 32) +
+                        'expr ' * (v % 32) + opname)
+                    self.add_unique_rule(rule, opname, token.attr, customize)
             elif opname == 'LOOKUP_METHOD':
                 # A PyPy speciality - DRY with parse2
                 self.add_unique_rule("load_attr ::= expr LOOKUP_METHOD",
@@ -868,7 +891,11 @@ class Python3Parser(PythonParser):
         elif lhs == 'annotate_tuple':
             return not isinstance(tokens[first].attr, tuple)
         elif lhs == 'kwarg':
-            return not isinstance(tokens[first].attr, str)
+            arg = tokens[first].attr
+            if PYTHON3:
+                return not isinstance(arg, str)
+            else:
+                return not (isinstance(arg, str) or isinstance(arg, unicode))
         elif lhs == 'while1elsestmt':
             # if SETUP_LOOP target spans the else part, then this is
             # not while1else. Also do for whileTrue?

uncompyle6/parsers/parse30.py

@@ -2,7 +2,6 @@
 """
 spark grammar differences over Python 3.1 for Python 3.0.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle
 from uncompyle6.parsers.parse31 import Python31Parser

uncompyle6/parsers/parse31.py

@@ -2,7 +2,6 @@
 """
 spark grammar differences over Python 3.2 for Python 3.1.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle
 from uncompyle6.parsers.parse32 import Python32Parser

uncompyle6/parsers/parse32.py

@@ -2,8 +2,6 @@
 """
 spark grammar differences over Python 3 for Python 3.2.
 """
-from __future__ import print_function
-
 from uncompyle6.parser import PythonParserSingle
 from uncompyle6.parsers.parse3 import Python3Parser
 

uncompyle6/parsers/parse33.py

@@ -2,7 +2,6 @@
 """
 spark grammar differences over Python 3.2 for Python 3.3.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle
 from uncompyle6.parsers.parse32 import Python32Parser

uncompyle6/parsers/parse35.py

@@ -2,7 +2,6 @@
 """
 spark grammar differences over Python 3.4 for Python 3.5.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG

uncompyle6/parsers/parse36.py

@@ -2,7 +2,6 @@
 """
 spark grammar differences over Python 3.5 for Python 3.6.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
@@ -25,12 +24,13 @@ class Python36Parser(Python35Parser):
 
         func_args36   ::= expr BUILD_TUPLE_0
         call_function ::= func_args36 unmapexpr CALL_FUNCTION_EX
+        call_function ::= func_args36 build_map_unpack_with_call CALL_FUNCTION_EX_KW_1
 
         withstmt ::= expr SETUP_WITH POP_TOP suite_stmts_opt POP_BLOCK LOAD_CONST
                      WITH_CLEANUP_START WITH_CLEANUP_FINISH END_FINALLY
 
         call_function ::= expr expr CALL_FUNCTION_EX
-        call_function ::= expr expr expr CALL_FUNCTION_EX_KW
+        call_function ::= expr expr expr CALL_FUNCTION_EX_KW_1
         """
 
     def add_custom_rules(self, tokens, customize):

uncompyle6/parsers/parse37.py

@@ -0,0 +1,41 @@
+#  Copyright (c) 2017 Rocky Bernstein
+"""
+spark grammar differences over Python 3.6 for Python 3.7
+"""
+from __future__ import print_function
+
+from uncompyle6.parser import PythonParserSingle
+from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
+from uncompyle6.parsers.parse36 import Python37Parser
+
+class Python36Parser(Python35Parser):
+
+    def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
+        super(Python37Parser, self).__init__(debug_parser)
+        self.customized = {}
+
+
+class Python37ParserSingle(Python37Parser, PythonParserSingle):
+    pass
+
+if __name__ == '__main__':
+    # Check grammar
+    p = Python37Parser()
+    p.checkGrammar()
+    from uncompyle6 import PYTHON_VERSION, IS_PYPY
+    if PYTHON_VERSION == 3.7:
+        lhs, rhs, tokens, right_recursive = p.checkSets()
+        from uncompyle6.scanner import get_scanner
+        s = get_scanner(PYTHON_VERSION, IS_PYPY)
+        opcode_set = set(s.opc.opname).union(set(
+            """JUMP_BACK CONTINUE RETURN_END_IF COME_FROM
+               LOAD_GENEXPR LOAD_ASSERT LOAD_SETCOMP LOAD_DICTCOMP LOAD_CLASSNAME
+               LAMBDA_MARKER RETURN_LAST
+            """.split()))
+        remain_tokens = set(tokens) - opcode_set
+        import re
+        remain_tokens = set([re.sub('_\d+$', '', t) for t in remain_tokens])
+        remain_tokens = set([re.sub('_CONT$', '', t) for t in remain_tokens])
+        remain_tokens = set(remain_tokens) - opcode_set
+        print(remain_tokens)
+        # print(sorted(p.rule2name.items()))

uncompyle6/scanner.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 #  Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
 #  Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
 #  Copyright (c) 1999 John Aycock
@@ -10,12 +10,12 @@ scanner/ingestion module. From here we call various version-specific
 scanners, e.g. for Python 2.7 or 3.4.
 """
 
-from __future__ import print_function
-
 import sys
 
 from uncompyle6 import PYTHON3, IS_PYPY
 from uncompyle6.scanners.tok import Token
+from xdis.bytecode import op_size
+from xdis.magics import py_str2float
 
 # The byte code versions we support
 PYTHON_VERSIONS = (1.5,
@@ -54,7 +54,7 @@ class Scanner(object):
 
         if version in PYTHON_VERSIONS:
             if is_pypy:
-                v_str = "opcode_pypy%s" % (int(version * 10))
+                v_str = "opcode_%spypy" % (int(version * 10))
             else:
                 v_str = "opcode_%s" % (int(version * 10))
             exec("from xdis.opcodes import %s" % v_str)
@@ -63,6 +63,7 @@ class Scanner(object):
             raise TypeError("%s is not a Python version I know about" % version)
 
         self.opname = self.opc.opname
+
         # FIXME: This weird Python2 behavior is not Python3
         self.resetTokenClass()
 
@@ -88,7 +89,7 @@ class Scanner(object):
         if op is None:
             op = self.code[pos]
         target = self.get_argument(pos)
-        if op in self.opc.hasjrel:
+        if op in self.opc.JREL_OPS:
             target += pos + 3
         return target
 
@@ -99,7 +100,7 @@ class Scanner(object):
     def print_bytecode(self):
         for i in self.op_range(0, len(self.code)):
             op = self.code[i]
-            if op in self.opc.hasjabs+self.opc.hasjrel:
+            if op in self.JUMP_OPS:
                 dest = self.get_target(i, op)
                 print('%i\t%s\t%i' % (i, self.opname[op], dest))
             else:
@@ -214,9 +215,6 @@ class Scanner(object):
                         result.append(offset)
         return result
 
-    def op_hasArgument(self, op):
-        return self.op_size(op) > 1
-
     def op_range(self, start, end):
         """
         Iterate through positions of opcodes, skipping
@@ -224,20 +222,7 @@ class Scanner(object):
         """
         while start < end:
             yield start
-            start += self.op_size(self.code[start])
-
-    def next_offset(self, op, offset):
-        return offset + self.op_size(op)
-
-    def op_size(self, op):
-        """
-        Return size of operator with its arguments
-        for given opcode <op>.
-        """
-        if op < self.opc.HAVE_ARGUMENT:
-            return 2 if self.version >= 3.6 else 1
-        else:
-            return 2 if self.version >= 3.6 else 3
+            start += op_size(self.code[start], self.opc)
 
     def remove_mid_line_ifs(self, ifs):
         """
@@ -269,13 +254,16 @@ class Scanner(object):
         self.Token = tokenClass
         return self.Token
 
-def op_has_argument(op, opc):
-    return op >= opc.HAVE_ARGUMENT
-
 def parse_fn_counts(argc):
     return ((argc & 0xFF), (argc >> 8) & 0xFF, (argc >> 16) & 0x7FFF)
 
+
 def get_scanner(version, is_pypy=False, show_asm=None):
+
+    # If version is a string, turn that into the corresponding float.
+    if isinstance(version, str):
+        version = py_str2float(version)
+
     # Pick up appropriate scanner
     if version in PYTHON_VERSIONS:
         v_str = "%s" % (int(version * 10))
@@ -302,5 +290,6 @@ def get_scanner(version, is_pypy=False, show_asm=None):
 if __name__ == "__main__":
     import inspect, uncompyle6
     co = inspect.currentframe().f_code
+    scanner = get_scanner('2.7.13', True)
     scanner = get_scanner(uncompyle6.PYTHON_VERSION, IS_PYPY, True)
     tokens, customize = scanner.ingest(co, {})

uncompyle6/scanners/pypy27.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python PyPy 2.7 bytecode scanner/deparser
 
@@ -10,8 +10,8 @@ information for later use in deparsing.
 import uncompyle6.scanners.scanner27 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
-from xdis.opcodes import opcode_pypy27
-JUMP_OPs = opcode_pypy27.JUMP_OPs
+from xdis.opcodes import opcode_27pypy
+JUMP_OPS = opcode_27pypy.JUMP_OPS
 
 # We base this off of 2.6 instead of the other way around
 # because we cleaned things up this way.

uncompyle6/scanners/pypy32.py

@@ -1,22 +1,18 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2017 by Rocky Bernstein
 """
-Python PyPy 3.2 bytecode scanner/deparser
+Python PyPy 3.2 decompiler scanner.
 
-This overlaps Python's 3.2's dis module, but it can be run from
-Python 3 and other versions of Python. Also, we save token
-information for later use in deparsing.
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
 """
 
 import uncompyle6.scanners.scanner32 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
-from xdis.opcodes import opcode_32 as opc  # is this rgith?
+from xdis.opcodes import opcode_32 as opc  # is this right?
 JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
 
-# We base this off of 2.6 instead of the other way around
-# because we cleaned things up this way.
-# The history is that 2.7 support is the cleanest,
-# then from that we got 2.6 and so on.
+# We base this off of 3.2
 class ScannerPyPy32(scan.Scanner32):
     def __init__(self, show_asm):
         # There are no differences in initialization between

uncompyle6/scanners/pypy35.py

@@ -0,0 +1,22 @@
+#  Copyright (c) 2017 by Rocky Bernstein
+"""
+Python PyPy 3.2 decompiler scanner.
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
+"""
+
+import uncompyle6.scanners.scanner35 as scan
+
+# bytecode verification, verify(), uses JUMP_OPS from here
+from xdis.opcodes import opcode_35 as opc  # is this right?
+JUMP_OPs = opc.JUMP_OPS
+
+# We base this off of 3.5
+class ScannerPyPy35(scan.Scanner35):
+    def __init__(self, show_asm):
+        # There are no differences in initialization between
+        # pypy 3.5 and 3.5
+        scan.Scanner35.__init__(self, show_asm, is_pypy=True)
+        self.version = 3.5
+        return

uncompyle6/scanners/scanner15.py

@@ -1,6 +1,6 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
-Python 1.5 bytecode scanner/deparser
+Python 1.5 bytecode decompiler scanner.
 
 This massages tokenized 1.5 bytecode to make it more amenable for
 grammar parsing.
@@ -11,15 +11,15 @@ import uncompyle6.scanners.scanner21 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_15
-JUMP_OPs = opcode_15.JUMP_OPs
+JUMP_OPS = opcode_15.JUMP_OPS
 
-# We base this off of 2.2 instead of the other way around
+# We base this off of 2.1 instead of the other way around
 # because we cleaned things up this way.
 # The history is that 2.7 support is the cleanest,
 # then from that we got 2.6 and so on.
 class Scanner15(scan.Scanner21):
     def __init__(self, show_asm=False):
-        scan.Scanner21.__init__(self, show_asm)
+        scan.Scanner21.__init__(self, show_asm=False)
         self.opc = opcode_15
         self.opname = opcode_15.opname
         self.version = 1.5

uncompyle6/scanners/scanner2.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2015, 2016 by Rocky Bernstein
+# Copyright (c) 2015-2017 by Rocky Bernstein
 # Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
 # Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
 """
@@ -20,19 +20,24 @@ For example:
 Finally we save token information.
 """
 
-from __future__ import print_function
+from uncompyle6 import PYTHON_VERSION
+
+if PYTHON_VERSION < 2.6:
+    from xdis.namedtuple24 import namedtuple
+else:
+    from collections import namedtuple
 
-from collections import namedtuple
 from array import array
 
-from uncompyle6.scanner import op_has_argument
+from uncompyle6.scanner import L65536
 from xdis.code import iscode
+from xdis.bytecode import op_has_argument, op_size
 
-import uncompyle6.scanner as scan
+from uncompyle6.scanner import Scanner
 
-class Scanner2(scan.Scanner):
+class Scanner2(Scanner):
     def __init__(self, version, show_asm=None, is_pypy=False):
-        scan.Scanner.__init__(self, version, show_asm, is_pypy)
+        Scanner.__init__(self, version, show_asm, is_pypy)
         self.pop_jump_if = frozenset([self.opc.PJIF, self.opc.PJIT])
         self.jump_forward = frozenset([self.opc.JUMP_ABSOLUTE, self.opc.JUMP_FORWARD])
         # This is the 2.5+ default
@@ -84,7 +89,9 @@ class Scanner2(scan.Scanner):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
+        if not show_asm:
+            show_asm = self.show_asm
+
         # show_asm = 'after'
         if show_asm in ('both', 'before'):
             from xdis.bytecode import Bytecode
@@ -186,9 +193,9 @@ class Scanner2(scan.Scanner):
                 oparg = self.get_argument(offset) + extended_arg
                 extended_arg = 0
                 if op == self.opc.EXTENDED_ARG:
-                    extended_arg = oparg * scan.L65536
+                    extended_arg = oparg * L65536
                     continue
-                if op in self.opc.hasconst:
+                if op in self.opc.CONST_OPS:
                     const = co.co_consts[oparg]
                     if iscode(const):
                         oparg = const
@@ -209,23 +216,23 @@ class Scanner2(scan.Scanner):
                         pattr = '<code_object ' + const.co_name + '>'
                     else:
                         pattr = const
-                elif op in self.opc.hasname:
+                elif op in self.opc.NAME_OPS:
                     pattr = names[oparg]
-                elif op in self.opc.hasjrel:
+                elif op in self.opc.JREL_OPS:
                     #  use instead: hasattr(self, 'patch_continue'): ?
                     if self.version == 2.7:
                         self.patch_continue(tokens, offset, op)
                     pattr = repr(offset + 3 + oparg)
-                elif op in self.opc.hasjabs:
+                elif op in self.opc.JABS_OPS:
                     # use instead: hasattr(self, 'patch_continue'): ?
                     if self.version == 2.7:
                         self.patch_continue(tokens, offset, op)
                     pattr = repr(oparg)
-                elif op in self.opc.haslocal:
+                elif op in self.opc.LOCAL_OPS:
                     pattr = varnames[oparg]
-                elif op in self.opc.hascompare:
+                elif op in self.opc.COMPARE_OPS:
                     pattr = self.opc.cmp_op[oparg]
-                elif op in self.opc.hasfree:
+                elif op in self.opc.FREE_OPS:
                     pattr = free[oparg]
 
             if op in self.varargs_ops:
@@ -327,7 +334,7 @@ class Scanner2(scan.Scanner):
         for i in self.op_range(0, n):
             op = self.code[i]
             self.prev.append(i)
-            if self.op_hasArgument(op):
+            if op_has_argument(op, self.opc):
                 self.prev.append(i)
                 self.prev.append(i)
                 pass
@@ -380,7 +387,7 @@ class Scanner2(scan.Scanner):
                     if elem != code[i]:
                         match = False
                         break
-                    i += self.op_size(code[i])
+                    i += op_size(code[i], self.opc)
 
                 if match:
                     i = self.prev[i]
@@ -451,7 +458,7 @@ class Scanner2(scan.Scanner):
                     self.not_continue.add(jmp)
                     jmp = self.get_target(jmp)
                     prev_offset = self.prev[except_match]
-                    # COMPARE_OP argument should be "exception match" or 10
+                    # COMPARE_OP argument should be "exception-match" or 10
                     if (self.code[prev_offset] == self.opc.COMPARE_OP and
                         self.code[prev_offset+1] != 10):
                         return None
@@ -602,7 +609,7 @@ class Scanner2(scan.Scanner):
 
                     if test == offset:
                         loop_type = 'while 1'
-                    elif self.code[test] in self.opc.hasjabs + self.opc.hasjrel:
+                    elif self.code[test] in self.opc.JUMP_OPs:
                         self.ignore_if.add(test)
                         test_target = self.get_target(test)
                         if test_target > (jump_back+3):
@@ -617,7 +624,7 @@ class Scanner2(scan.Scanner):
                                        'start': jump_back+3,
                                        'end':   end})
         elif op == self.opc.SETUP_EXCEPT:
-            start  = offset + self.op_size(op)
+            start  = offset + op_size(op, self.opc)
             target = self.get_target(offset, op)
             end    = self.restrict_to_parent(target, parent)
             if target != end:
@@ -641,7 +648,7 @@ class Scanner2(scan.Scanner):
                         setup_except_nest -= 1
                 elif self.code[end_finally_offset] == self.opc.SETUP_EXCEPT:
                     setup_except_nest += 1
-                end_finally_offset += self.op_size(code[end_finally_offset])
+                end_finally_offset += op_size(code[end_finally_offset], self.opc)
                 pass
 
             # Add the except blocks
@@ -842,7 +849,7 @@ class Scanner2(scan.Scanner):
                     else:
                         # We still have the case in 2.7 that the next instruction
                         # is a jump to a SETUP_LOOP target.
-                        next_offset = target + self.op_size(self.code[target])
+                        next_offset = target + op_size(self.code[target], self.opc)
                         next_op = self.code[next_offset]
                         if self.op_name(next_op) == 'JUMP_FORWARD':
                             jump_target = self.get_target(next_offset, next_op)
@@ -904,7 +911,9 @@ class Scanner2(scan.Scanner):
                                          'start': start-3,
                                          'end':   pre_rtarget})
 
-                self.not_continue.add(pre_rtarget)
+                # FIXME: this is yet another case were we need dominators.
+                if pre_rtarget not in self.linestartoffsets or self.version < 2.7:
+                    self.not_continue.add(pre_rtarget)
 
                 if rtarget < end:
                     # We have an "else" block  of some kind.
@@ -991,11 +1000,11 @@ class Scanner2(scan.Scanner):
                 oparg = self.get_argument(offset)
 
                 if label is None:
-                    if op in self.opc.hasjrel and self.op_name(op) != 'FOR_ITER':
-                        # if (op in self.opc.hasjrel and
+                    if op in self.opc.JREL_OPS and self.op_name(op) != 'FOR_ITER':
+                        # if (op in self.opc.JREL_OPS and
                         #     (self.version < 2.0 or op != self.opc.FOR_ITER)):
                         label = offset + 3 + oparg
-                    elif self.version == 2.7 and op in self.opc.hasjabs:
+                    elif self.version == 2.7 and op in self.opc.JABS_OPS:
                         if op in (self.opc.JUMP_IF_FALSE_OR_POP,
                                   self.opc.JUMP_IF_TRUE_OR_POP):
                             if (oparg > offset):
@@ -1023,8 +1032,10 @@ class Scanner2(scan.Scanner):
 
                             # FIXME: rocky: I think we need something like this...
                             if offset not in set(self.ignore_if) or self.version == 2.7:
-                                source = (self.setup_loops[label]
-                                          if label in self.setup_loops else offset)
+                                if label in self.setup_loops:
+                                    source = self.setup_loops[label]
+                                else:
+                                    source = offset
                                 targets[label] = targets.get(label, []) + [source]
                             pass
 

uncompyle6/scanners/scanner21.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python 2.1 bytecode scanner/deparser
 
@@ -11,7 +11,7 @@ import uncompyle6.scanners.scanner22 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_21
-JUMP_OPs = opcode_21.JUMP_OPs
+JUMP_OPS = opcode_21.JUMP_OPS
 
 # We base this off of 2.2 instead of the other way around
 # because we cleaned things up this way.
@@ -19,7 +19,7 @@ JUMP_OPs = opcode_21.JUMP_OPs
 # then from that we got 2.6 and so on.
 class Scanner21(scan.Scanner22):
     def __init__(self, show_asm=False):
-        scan.Scanner22.__init__(self, show_asm)
+        scan.Scanner22.__init__(self, show_asm=False)
         self.opc = opcode_21
         self.opname = opcode_21.opname
         self.version = 2.1

uncompyle6/scanners/scanner22.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python 2.2 bytecode ingester.
 
@@ -11,7 +11,7 @@ import uncompyle6.scanners.scanner23 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_22
-JUMP_OPs = opcode_22.JUMP_OPs
+JUMP_OPS = opcode_22.JUMP_OPS
 
 # We base this off of 2.3 instead of the other way around
 # because we cleaned things up this way.
@@ -19,7 +19,7 @@ JUMP_OPs = opcode_22.JUMP_OPs
 # then from that we got 2.6 and so on.
 class Scanner22(scan.Scanner23):
     def __init__(self, show_asm=False):
-        scan.Scanner23.__init__(self, show_asm)
+        scan.Scanner23.__init__(self, show_asm=False)
         self.opc = opcode_22
         self.opname = opcode_22.opname
         self.version = 2.2

uncompyle6/scanners/scanner23.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python 2.3 bytecode scanner/deparser
 
@@ -10,7 +10,7 @@ import uncompyle6.scanners.scanner24 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_23
-JUMP_OPs = opcode_23.JUMP_OPs
+JUMP_OPS = opcode_23.JUMP_OPS
 
 # We base this off of 2.4 instead of the other way around
 # because we cleaned things up this way.

uncompyle6/scanners/scanner24.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python 2.4 bytecode scanner/deparser
 
@@ -10,7 +10,7 @@ import uncompyle6.scanners.scanner25 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_24
-JUMP_OPs = opcode_24.JUMP_OPs
+JUMP_OPS = opcode_24.JUMP_OPS
 
 # We base this off of 2.5 instead of the other way around
 # because we cleaned things up this way.

uncompyle6/scanners/scanner25.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2015-2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 """
 Python 2.5 bytecode scanner/deparser
 
@@ -11,7 +11,7 @@ import uncompyle6.scanners.scanner26 as scan
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_25
-JUMP_OPs = opcode_25.JUMP_OPs
+JUMP_OPS = opcode_25.JUMP_OPS
 
 # We base this off of 2.6 instead of the other way around
 # because we cleaned things up this way.

uncompyle6/scanners/scanner26.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2015, 2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 #  Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
 #  Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
 """
@@ -15,10 +15,11 @@ if PYTHON3:
     intern = sys.intern
 
 import uncompyle6.scanners.scanner2 as scan
+from uncompyle6.scanner import L65536
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_26
-JUMP_OPs = opcode_26.JUMP_OPs
+JUMP_OPS = opcode_26.JUMP_OPS
 
 class Scanner26(scan.Scanner2):
     def __init__(self, show_asm=False):
@@ -86,7 +87,9 @@ class Scanner26(scan.Scanner2):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
+        if not show_asm:
+            show_asm = self.show_asm
+
         # show_asm = 'after'
         if show_asm in ('both', 'before'):
             from xdis.bytecode import Bytecode
@@ -178,9 +181,9 @@ class Scanner26(scan.Scanner2):
                 oparg = self.get_argument(offset) + extended_arg
                 extended_arg = 0
                 if op == self.opc.EXTENDED_ARG:
-                    extended_arg = oparg * scan.L65536
+                    extended_arg = oparg * L65536
                     continue
-                if op in self.opc.hasconst:
+                if op in self.opc.CONST_OPS:
                     const = co.co_consts[oparg]
                     # We can't use inspect.iscode() because we may be
                     # using a different version of Python than the
@@ -205,9 +208,9 @@ class Scanner26(scan.Scanner2):
                         pattr = '<code_object ' + const.co_name + '>'
                     else:
                         pattr = const
-                elif op in self.opc.hasname:
+                elif op in self.opc.NAME_OPS:
                     pattr = names[oparg]
-                elif op in self.opc.hasjrel:
+                elif op in self.opc.JREL_OPS:
                     pattr = repr(offset + 3 + oparg)
                     if op == self.opc.JUMP_FORWARD:
                         target = self.get_target(offset)
@@ -217,13 +220,13 @@ class Scanner26(scan.Scanner2):
                         if len(tokens) and tokens[-1].type == 'JUMP_BACK':
                             tokens[-1].type = intern('CONTINUE')
 
-                elif op in self.opc.hasjabs:
+                elif op in self.opc.JABS_OPS:
                     pattr = repr(oparg)
-                elif op in self.opc.haslocal:
+                elif op in self.opc.LOCAL_OPS:
                     pattr = varnames[oparg]
-                elif op in self.opc.hascompare:
+                elif op in self.opc.COMPARE_OPS:
                     pattr = self.opc.cmp_op[oparg]
-                elif op in self.opc.hasfree:
+                elif op in self.opc.FREE_OPS:
                     pattr = free[oparg]
             if op in self.varargs_ops:
                 # CE - Hack for >= 2.5

uncompyle6/scanners/scanner27.py

@@ -7,8 +7,6 @@ grammar parsing.
 """
 
 
-from __future__ import print_function
-
 from uncompyle6.scanners.scanner2 import Scanner2
 
 from uncompyle6 import PYTHON3
@@ -18,7 +16,7 @@ if PYTHON3:
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_27
-JUMP_OPs = opcode_27.JUMP_OPs
+JUMP_OPS = opcode_27.JUMP_OPs
 
 class Scanner27(Scanner2):
     def __init__(self, show_asm=False, is_pypy=False):

uncompyle6/scanners/scanner3.py

@@ -20,15 +20,20 @@ For example:
 Finally we save token information.
 """
 
-from __future__ import print_function
+from uncompyle6 import PYTHON_VERSION
+
+if PYTHON_VERSION < 2.6:
+    from xdis.namedtuple24 import namedtuple
+else:
+    from collections import namedtuple
 
-from collections import namedtuple
 from array import array
 
-from uncompyle6.scanner import Scanner, op_has_argument
+from uncompyle6.scanner import Scanner
 from xdis.code import iscode
-from xdis.bytecode import Bytecode
+from xdis.bytecode import Bytecode, op_has_argument, op_size
 from uncompyle6.scanner import Token, parse_fn_counts
+import xdis
 
 # Get all the opcodes into globals
 import xdis.opcodes.opcode_33 as op3
@@ -161,8 +166,10 @@ class Scanner3(Scanner):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
-        # show_asm = 'both'
+        if not show_asm:
+            show_asm = self.show_asm
+
+        # show_asm = 'after'
         if show_asm in ('both', 'before'):
             bytecode = Bytecode(co, self.opc)
             for instr in bytecode.get_instructions(co):
@@ -468,7 +475,7 @@ class Scanner3(Scanner):
         self.prev = self.prev_op = [0]
         for offset in self.op_range(0, codelen):
             op = code[offset]
-            for _ in range(self.op_size(op)):
+            for _ in range(op_size(op, self.opc)):
                 self.prev_op.append(offset)
 
     def find_jump_targets(self, debug):
@@ -518,7 +525,7 @@ class Scanner3(Scanner):
                     oparg = code[offset+1]
                 else:
                     oparg = code[offset+1] + code[offset+2] * 256
-                next_offset = self.next_offset(op, offset)
+                next_offset = xdis.next_offset(op, self.opc, offset)
 
                 if label is None:
                     if op in op3.hasjrel and op != self.opc.FOR_ITER:
@@ -564,7 +571,7 @@ class Scanner3(Scanner):
                     if elem != code[i]:
                         match = False
                         break
-                    i += self.op_size(code[i])
+                    i += op_size(code[i], self.opc)
 
                 if match is True:
                     i = self.prev_op[i]
@@ -632,11 +639,11 @@ class Scanner3(Scanner):
         rel_offset = 0
         if self.version  >= 3.6:
             target = self.code[offset+1]
-            if op in self.opc.hasjrel:
+            if op in self.opc.JREL_OPS:
                 rel_offset = offset + 2
         else:
             target = self.code[offset+1] + self.code[offset+2] * 256
-            if op in self.opc.hasjrel:
+            if op in self.opc.JREL_OPS:
                 rel_offset = offset + 3
                 pass
             pass
@@ -757,7 +764,7 @@ class Scanner3(Scanner):
                                        'start': jump_back+3,
                                        'end':   end})
         elif op in self.pop_jump_tf:
-            start = offset + self.op_size(op)
+            start = offset + op_size(op, self.opc)
             target = self.get_target(offset)
             rtarget = self.restrict_to_parent(target, parent)
             prev_op = self.prev_op
@@ -920,7 +927,7 @@ class Scanner3(Scanner):
                 # except block return
                 jump_prev = prev_op[offset]
                 if self.is_pypy and code[jump_prev] == self.opc.COMPARE_OP:
-                    if self.opc.cmp_op[code[jump_prev+1]] == 'exception match':
+                    if self.opc.cmp_op[code[jump_prev+1]] == 'exception-match':
                         return
                 if self.version >= 3.5:
                     # Python 3.5 may remove as dead code a JUMP
@@ -932,9 +939,9 @@ class Scanner3(Scanner):
                     # not from SETUP_EXCEPT
                     next_op = rtarget
                     if code[next_op] == self.opc.POP_BLOCK:
-                        next_op += self.op_size(self.code[next_op])
+                        next_op += op_size(self.code[next_op], self.opc)
                     if code[next_op] == self.opc.JUMP_ABSOLUTE:
-                        next_op += self.op_size(self.code[next_op])
+                        next_op += op_size(self.code[next_op], self.opc)
                     if next_op in targets:
                         for try_op in targets[next_op]:
                             come_from_op = code[try_op]
@@ -957,12 +964,12 @@ class Scanner3(Scanner):
             end    = self.restrict_to_parent(target, parent)
             self.fixed_jumps[offset] = end
         elif op == self.opc.POP_EXCEPT:
-            next_offset = self.next_offset(op, offset)
+            next_offset = xdis.next_offset(op, self.opc, offset)
             target = self.get_target(next_offset)
             if target > next_offset:
                 next_op = code[next_offset]
                 if (self.opc.JUMP_ABSOLUTE == next_op and
-                    END_FINALLY != code[self.next_offset(next_op, next_offset)]):
+                    END_FINALLY != code[xdis.next_offset(next_op, self.opc, next_offset)]):
                     self.fixed_jumps[next_offset] = target
                     self.except_targets[target] = next_offset
 

uncompyle6/scanners/scanner30.py

@@ -6,11 +6,11 @@ This sets up opcodes Python's 3.0 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_30 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+from xdis.bytecode import op_size
+
+JUMP_OPS = opc.JUMP_OPS
 
 JUMP_TF = frozenset([opc.JUMP_IF_FALSE, opc.JUMP_IF_TRUE])
 
@@ -118,7 +118,7 @@ class Scanner30(Scanner3):
 
                     if test == offset:
                         loop_type = 'while 1'
-                    elif self.code[test] in opc.hasjabs+opc.hasjrel:
+                    elif self.code[test] in opc.JUMP_OPs:
                         self.ignore_if.add(test)
                         test_target = self.get_target(test)
                         if test_target > (jump_back+3):
@@ -133,7 +133,7 @@ class Scanner30(Scanner3):
                                        'start': jump_back+3,
                                        'end':   end})
         elif op in JUMP_TF:
-            start = offset + self.op_size(op)
+            start = offset + op_size(op, self.opc)
             target = self.get_target(offset)
             rtarget = self.restrict_to_parent(target, parent)
             prev_op = self.prev_op
@@ -293,7 +293,7 @@ class Scanner30(Scanner3):
                 # except block return
                 jump_prev = prev_op[offset]
                 if self.is_pypy and code[jump_prev] == self.opc.COMPARE_OP:
-                    if self.opc.cmp_op[code[jump_prev+1]] == 'exception match':
+                    if self.opc.cmp_op[code[jump_prev+1]] == 'exception-match':
                         return
                 if self.version >= 3.5:
                     # Python 3.5 may remove as dead code a JUMP
@@ -305,9 +305,9 @@ class Scanner30(Scanner3):
                     # not from SETUP_EXCEPT
                     next_op = rtarget
                     if code[next_op] == self.opc.POP_BLOCK:
-                        next_op += self.op_size(self.code[next_op])
+                        next_op += op_size(self.code[next_op], self.opc)
                     if code[next_op] == self.opc.JUMP_ABSOLUTE:
-                        next_op += self.op_size(self.code[next_op])
+                        next_op += op_size(self.code[next_op], self.opc)
                     if next_op in targets:
                         for try_op in targets[next_op]:
                             come_from_op = code[try_op]

uncompyle6/scanners/scanner31.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
 Python 3.1 bytecode scanner/deparser
 
@@ -6,11 +6,9 @@ This sets up opcodes Python's 3.1 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_31 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 from uncompyle6.scanners.scanner3 import Scanner3
 class Scanner31(Scanner3):

uncompyle6/scanners/scanner32.py

@@ -1,16 +1,17 @@
-#  Copyright (c) 2015-2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 """
-Python 3.2 bytecode scanner/deparser
+Python 3.2 bytecode decompiler scanner.
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
 
 This sets up opcodes Python's 3.2 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_32 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 from uncompyle6.scanners.scanner3 import Scanner3
 class Scanner32(Scanner3):

uncompyle6/scanners/scanner33.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2015-2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 """
 Python 3.3 bytecode scanner/deparser
 
@@ -6,11 +6,9 @@ This sets up opcodes Python's 3.3 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_33 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 from uncompyle6.scanners.scanner3 import Scanner3
 class Scanner33(Scanner3):

uncompyle6/scanners/scanner34.py

@@ -1,17 +1,18 @@
-#  Copyright (c) 2015-2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 """
-Python 3.4 bytecode scanner/deparser
+Python 3.4 bytecode decompiler scanner
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
 
 This sets up opcodes Python's 3.4 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 from xdis.opcodes import opcode_34 as opc
 
 # bytecode verification, verify(), uses JUMP_OPs from here
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 
 from uncompyle6.scanners.scanner3 import Scanner3

uncompyle6/scanners/scanner35.py

@@ -1,23 +1,24 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2017 by Rocky Bernstein
 """
-Python 3.5 bytecode scanner/deparser
+Python 3.5 bytecode decompiler scanner
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
 
 This sets up opcodes Python's 3.5 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 from uncompyle6.scanners.scanner3 import Scanner3
 
 # bytecode verification, verify(), uses JUMP_OPs from here
 from xdis.opcodes import opcode_35 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 class Scanner35(Scanner3):
 
-    def __init__(self, show_asm=None):
-        Scanner3.__init__(self, 3.5, show_asm)
+    def __init__(self, show_asm=None, is_pypy=False):
+        Scanner3.__init__(self, 3.5, show_asm, is_pypy)
         return
     pass
 

uncompyle6/scanners/scanner36.py

@@ -1,18 +1,19 @@
-#  Copyright (c) 2016 by Rocky Bernstein
+#  Copyright (c) 2016-2017 by Rocky Bernstein
 """
-Python 3.6 bytecode scanner/deparser
+Python 3.6 bytecode decompiler scanner
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
 
 This sets up opcodes Python's 3.6 and calls a generalized
 scanner routine for Python 3.
 """
 
-from __future__ import print_function
-
 from uncompyle6.scanners.scanner3 import Scanner3
 
-# bytecode verification, verify(), uses JUMP_OPs from here
+# bytecode verification, verify(), uses JUMP_OPS from here
 from xdis.opcodes import opcode_36 as opc
-JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
+JUMP_OPS = opc.JUMP_OPS
 
 class Scanner36(Scanner3):
 
@@ -28,8 +29,12 @@ class Scanner36(Scanner3):
             if t.op == self.opc.CALL_FUNCTION_EX and t.attr & 1:
                 t.type = 'CALL_FUNCTION_EX_KW'
                 pass
-            if t.op == self.opc.CALL_FUNCTION_KW:
+            elif t.op == self.opc.CALL_FUNCTION_KW:
                 t.type = 'CALL_FUNCTION_KW_{t.attr}'.format(**locals())
+            elif t.op == self.opc.BUILD_TUPLE_UNPACK_WITH_CALL:
+                t.type = 'BUILD_TUPLE_UNPACK_WITH_CALL_%d' % t.attr
+            elif t.op == self.opc.BUILD_MAP_UNPACK_WITH_CALL:
+                t.type = 'BUILD_MAP_UNPACK_WITH_CALL_%d' % t.attr
             pass
         return tokens, customize
 

uncompyle6/scanners/scanner37.py

@@ -0,0 +1,38 @@
+#  Copyright (c) 2016-2017 by Rocky Bernstein
+"""
+Python 3.7 bytecode decompiler scanner
+
+Does some additional massaging of xdis-disassembled instructions to
+make things easier for decompilation.
+
+This sets up opcodes Python's 3.6 and calls a generalized
+scanner routine for Python 3.
+"""
+
+from __future__ import print_function
+
+from uncompyle6.scanners.scanner3 import Scanner3
+
+# bytecode verification, verify(), uses JUMP_OPs from here
+from xdis.opcodes import opcode_36 as opc
+JUMP_OPs = opc.JUMP_OPS
+
+class Scanner37(Scanner3):
+
+    def __init__(self, show_asm=None):
+        Scanner3.__init__(self, 3.7, show_asm)
+        return
+    pass
+
+if __name__ == "__main__":
+    from uncompyle6 import PYTHON_VERSION
+    if PYTHON_VERSION == 3.7:
+        import inspect
+        co = inspect.currentframe().f_code
+        tokens, customize = Scanner37().ingest(co)
+        for t in tokens:
+            print(t.format())
+        pass
+    else:
+        print("Need to be Python 3.7 to demo; I am %s." %
+              PYTHON_VERSION)

uncompyle6/scanners/tok.py

@@ -56,19 +56,25 @@ class Token:
         return self.format(line_prefix='')
 
     def format(self, line_prefix=''):
-        prefix = ('\n%s%4d  ' % (line_prefix, self.linestart)
-                  if self.linestart else (' ' * (6 + len(line_prefix))))
+        if self.linestart:
+            prefix = '\n%s%4d  ' % (line_prefix, self.linestart)
+        else:
+            prefix = ' ' * (6 + len(line_prefix))
         offset_opname = '%6s  %-17s' % (self.offset, self.type)
         if not self.has_arg:
             return "%s%s" % (prefix, offset_opname)
-        argstr = "%6d " % self.attr if isinstance(self.attr, int) else (' '*7)
+
+        if isinstance(self.attr, int):
+            argstr = "%6d " % self.attr
+        else:
+            argstr = ' '*7
         if self.pattr:
             pattr = self.pattr
             if self.opc:
-                if self.op in self.opc.hasjrel:
+                if self.op in self.opc.JREL_OPS:
                     if not self.pattr.startswith('to '):
                         pattr = "to " + self.pattr
-                elif self.op in self.opc.hasjabs:
+                elif self.op in self.opc.JABS_OPS:
                     self.pattr= str(self.pattr)
                     if not self.pattr.startswith('to '):
                         pattr = "to " + str(self.pattr)

uncompyle6/semantics/consts.py

@@ -1,5 +1,5 @@
 #  Copyright (c) 2017 by Rocky Bernstein
-"""Constants used in pysource.py"""
+"""Constants and initial table values used in pysource.py and fragments.py"""
 
 import re, sys
 from uncompyle6.parsers.astnode import AST
@@ -57,9 +57,7 @@ INDENT_PER_LEVEL = ' ' # additional intent per pretty-print level
 
 TABLE_R = {
     'STORE_ATTR':	( '%c.%[1]{pattr}', 0),
-#   'STORE_SUBSCR':	( '%c[%c]', 0, 1 ),
     'DELETE_ATTR':	( '%|del %c.%[-1]{pattr}\n', 0 ),
-#   'EXEC_STMT':	( '%|exec %c in %[1]C\n', 0, (0,maxint,', ') ),
 }
 
 TABLE_R0 = {
@@ -67,8 +65,9 @@ TABLE_R0 = {
 #    'BUILD_TUPLE':	( '(%C)',      (0,-1,', ') ),
 #    'CALL_FUNCTION':	( '%c(%P)', 0, (1,-1,', ') ),
 }
+
 TABLE_DIRECT = {
-    'BINARY_ADD':	( '+' ,),
+    'BINARY_ADD':	    ( '+' ,),
     'BINARY_SUBTRACT':	( '-' ,),
     'BINARY_MULTIPLY':	( '*' ,),
     'BINARY_DIVIDE':	( '/' ,),
@@ -76,13 +75,13 @@ TABLE_DIRECT = {
     'BINARY_TRUE_DIVIDE':	( '/' ,),   # Not in <= 2.1
     'BINARY_FLOOR_DIVIDE':	( '//' ,),
     'BINARY_MODULO':	( '%%',),
-    'BINARY_POWER':	( '**',),
+    'BINARY_POWER':	    ( '**',),
     'BINARY_LSHIFT':	( '<<',),
     'BINARY_RSHIFT':	( '>>',),
-    'BINARY_AND':	( '&' ,),
-    'BINARY_OR':	( '|' ,),
-    'BINARY_XOR':	( '^' ,),
-    'INPLACE_ADD':	( '+=' ,),
+    'BINARY_AND':	    ( '&' ,),
+    'BINARY_OR':	    ( '|' ,),
+    'BINARY_XOR':	    ( '^' ,),
+    'INPLACE_ADD':	    ( '+=' ,),
     'INPLACE_SUBTRACT':	( '-=' ,),
     'INPLACE_MULTIPLY':	( '*=' ,),
     'INPLACE_MATRIX_MULTIPLY':	( '@=' ,),
@@ -93,125 +92,125 @@ TABLE_DIRECT = {
     'INPLACE_POWER':	( '**=',),
     'INPLACE_LSHIFT':	( '<<=',),
     'INPLACE_RSHIFT':	( '>>=',),
-    'INPLACE_AND':	( '&=' ,),
-    'INPLACE_OR':	( '|=' ,),
-    'INPLACE_XOR':	( '^=' ,),
-    'binary_expr':	( '%c %c %c', 0, -1, 1 ),
+    'INPLACE_AND':	    ( '&=' ,),
+    'INPLACE_OR':	    ( '|=' ,),
+    'INPLACE_XOR':	    ( '^=' ,),
+    'binary_expr':	    ( '%c %c %c', 0, -1, 1 ),
 
     'UNARY_POSITIVE':	( '+',),
     'UNARY_NEGATIVE':	( '-',),
-    'UNARY_INVERT':	( '~%c'),
-    'unary_expr':   ( '%c%c', 1, 0),
+    'UNARY_INVERT':	    ( '~'),
+    'unary_expr':       ( '%c%c', 1, 0),
 
-    'unary_not':	( 'not %c', 0 ),
+    'unary_not':	    ( 'not %c', 0 ),
     'unary_convert':	( '`%c`', 0 ),
-    'get_iter':	( 'iter(%c)', 0 ),
-    'slice0':		( '%c[:]', 0 ),
-    'slice1':		( '%c[%p:]', 0, (1, 100) ),
-    'slice2':		( '%c[:%p]', 0, (1, 100) ),
-    'slice3':		( '%c[%p:%p]', 0, (1, 100), (2, 100) ),
+    'get_iter':	        ( 'iter(%c)', 0 ),
+    'slice0':		    ( '%c[:]', 0 ),
+    'slice1':		    ( '%c[%p:]', 0, (1, 100) ),
+    'slice2':		    ( '%c[:%p]', 0, (1, 100) ),
+    'slice3':		    ( '%c[%p:%p]', 0, (1, 100), (2, 100) ),
 
-    'IMPORT_FROM':	( '%{pattr}', ),
-    'load_attr':	( '%c.%[1]{pattr}', 0),
-    'LOAD_FAST':	( '%{pattr}', ),
-    'LOAD_NAME':	( '%{pattr}', ),
+    'IMPORT_FROM':      ( '%{pattr}', ),
+    'load_attr':	    ( '%c.%[1]{pattr}', 0),
+    'LOAD_FAST':	    ( '%{pattr}', ),
+    'LOAD_NAME':	    ( '%{pattr}', ),
     'LOAD_CLASSNAME':	( '%{pattr}', ),
-    'LOAD_GLOBAL':	( '%{pattr}', ),
-    'LOAD_DEREF':	( '%{pattr}', ),
-    'LOAD_LOCALS':	( 'locals()', ),
-    'LOAD_ASSERT':  ( '%{pattr}', ),
+    'LOAD_GLOBAL':	    ( '%{pattr}', ),
+    'LOAD_DEREF':	    ( '%{pattr}', ),
+    'LOAD_LOCALS':	    ( 'locals()', ),
+    'LOAD_ASSERT':      ( '%{pattr}', ),
 #   'LOAD_CONST':	( '%{pattr}', ),	# handled by n_LOAD_CONST
-    'DELETE_FAST':	( '%|del %{pattr}\n', ),
-    'DELETE_NAME':	( '%|del %{pattr}\n', ),
+    'DELETE_FAST':	    ( '%|del %{pattr}\n', ),
+    'DELETE_NAME':	    ( '%|del %{pattr}\n', ),
     'DELETE_GLOBAL':	( '%|del %{pattr}\n', ),
     'delete_subscr':	( '%|del %c[%c]\n', 0, 1,),
     'binary_subscr':	( '%c[%p]', 0, (1, 100)),
     'binary_subscr2':	( '%c[%p]', 0, (1, 100)),
-    'store_subscr':	( '%c[%c]', 0, 1),
-    'STORE_FAST':	( '%{pattr}', ),
-    'STORE_NAME':	( '%{pattr}', ),
-    'STORE_GLOBAL':	( '%{pattr}', ),
-    'STORE_DEREF':	( '%{pattr}', ),
-    'unpack':		( '%C%,', (1, maxint, ', ') ),
+    'store_subscr':	    ( '%c[%c]', 0, 1),
+    'STORE_FAST':	    ( '%{pattr}', ),
+    'STORE_NAME':	    ( '%{pattr}', ),
+    'STORE_GLOBAL':	    ( '%{pattr}', ),
+    'STORE_DEREF':	    ( '%{pattr}', ),
+    'unpack':		    ( '%C%,', (1, maxint, ', ') ),
 
     # This nonterminal we create on the fly in semantic routines
     'unpack_w_parens':	( '(%C%,)', (1, maxint, ', ') ),
 
-    'unpack_list':	( '[%C]', (1, maxint, ', ') ),
-    'build_tuple2':	( '%P', (0, -1, ', ', 100) ),
+    'unpack_list':	    ( '[%C]', (1, maxint, ', ') ),
+    'build_tuple2':	    ( '%P', (0, -1, ', ', 100) ),
 
     # 'list_compr':	( '[ %c ]', -2),	# handled by n_list_compr
-    'list_iter':	( '%c', 0),
-    'list_for':		( ' for %c in %c%c', 2, 0, 3 ),
-    'list_if':		( ' if %c%c', 0, 2 ),
+    'list_iter':	    ( '%c', 0 ),
+    'list_for':		    ( ' for %c in %c%c', 2, 0, 3 ),
+    'list_if':		    ( ' if %c%c', 0, 2 ),
     'list_if_not':		( ' if not %p%c', (0, 22), 2 ),
-    'lc_body':		( '', ),	# ignore when recusing
+    'lc_body':		    ( '', ),	# ignore when recusing
 
-    'comp_iter':	( '%c', 0),
-    'comp_if':		( ' if %c%c', 0, 2 ),
-    'comp_ifnot':	( ' if not %p%c', (0, 22), 2 ),
-    'comp_body':	( '', ),	# ignore when recusing
+    'comp_iter':	    ( '%c', 0 ),
+    'comp_if':		    ( ' if %c%c', 0, 2 ),
+    'comp_ifnot':	    ( ' if not %p%c', (0, 22), 2 ),
+    'comp_body':	    ( '', ),	# ignore when recusing
     'set_comp_body':    ( '%c', 0 ),
     'gen_comp_body':    ( '%c', 0 ),
     'dict_comp_body':   ( '%c:%c', 1, 0 ),
 
-    'assign':		( '%|%c = %p\n', -1, (0, 200) ),
+    'assign':		    ( '%|%c = %p\n', -1, (0, 200) ),
 
     # The 2nd parameter should have a = suffix.
     # There is a rule with a 4th parameter "designator"
     # which we don't use here.
-    'augassign1':	( '%|%c %c %c\n', 0, 2, 1),
+    'augassign1':	    ( '%|%c %c %c\n', 0, 2, 1),
 
-    'augassign2':	( '%|%c.%[2]{pattr} %c %c\n', 0, -3, -4),
-    'designList':	( '%c = %c', 0, -1 ),
+    'augassign2':	    ( '%|%c.%[2]{pattr} %c %c\n', 0, -3, -4 ),
+    'designList':	    ( '%c = %c', 0, -1 ),
     'and':          	( '%c and %c', 0, 2 ),
     'ret_and':        	( '%c and %c', 0, 2 ),
     'and2':          	( '%c', 3 ),
     'or':           	( '%c or %c', 0, 2 ),
-    'ret_or':           	( '%c or %c', 0, 2 ),
-    'conditional':  ( '%p if %p else %p', (2, 27), (0, 27), (4, 27)),
-    'conditionalTrue':  ( '%p if 1 else %p', (0, 27), (2, 27)),
-    'ret_cond':     ( '%p if %p else %p', (2, 27), (0, 27), (-1, 27)),
-    'conditionalnot':  ( '%p if not %p else %p', (2, 27), (0, 22), (4, 27)),
-    'ret_cond_not':  ( '%p if not %p else %p', (2, 27), (0, 22), (-1, 27)),
+    'ret_or':           ( '%c or %c', 0, 2 ),
+    'conditional':      ( '%p if %p else %p', (2, 27), (0, 27), (4, 27) ),
+    'conditionalTrue':  ( '%p if 1 else %p', (0, 27), (2, 27) ),
+    'ret_cond':         ( '%p if %p else %p', (2, 27), (0, 27), (-1, 27) ),
+    'conditionalnot':   ( '%p if not %p else %p', (2, 27), (0, 22), (4, 27) ),
+    'ret_cond_not':     ( '%p if not %p else %p', (2, 27), (0, 22), (-1, 27) ),
     'conditional_lambda':  ( '(%c if %c else %c)', 2, 0, 3),
     'return_lambda':    ('%c', 0),
-    'compare':		( '%p %[-1]{pattr} %p', (0, 19), (1, 19) ),
-    'cmp_list':		( '%p %p', (0, 29), (1, 30)),
-    'cmp_list1':	( '%[3]{pattr} %p %p', (0, 19), (-2, 19)),
-    'cmp_list2':	( '%[1]{pattr} %p', (0, 19)),
+    'compare':		    ( '%p %[-1]{pattr.replace("-", " ")} %p', (0, 19), (1, 19) ),
+    'cmp_list':		    ( '%p %p', (0, 29), (1, 30)),
+    'cmp_list1':	    ( '%[3]{pattr} %p %p', (0, 19), (-2, 19)),
+    'cmp_list2':	    ( '%[1]{pattr} %p', (0, 19)),
 #   'classdef': 	(), # handled by n_classdef()
-    'funcdef':  	( '\n\n%|def %c\n', -2), # -2 to handle closures
+    'funcdef':  	    ( '\n\n%|def %c\n', -2), # -2 to handle closures
     'funcdefdeco':  	( '\n\n%c', 0),
-    'mkfuncdeco':  	( '%|@%c\n%c', 0, 1),
+    'mkfuncdeco':  	    ( '%|@%c\n%c', 0, 1),
     'mkfuncdeco0':  	( '%|def %c\n', 0),
     'classdefdeco':  	( '\n\n%c', 0),
     'classdefdeco1':  	( '%|@%c\n%c', 0, 1),
-    'kwarg':    	( '%[0]{pattr}=%c', 1),
-    'kwargs':    	( '%D', (0, maxint, ', ') ),
+    'kwarg':    	    ( '%[0]{pattr}=%c', 1),
+    'kwargs':    	    ( '%D', (0, maxint, ', ') ),
 
-    'assert_expr_or': ( '%c or %c', 0, 2 ),
-    'assert_expr_and':    ( '%c and %c', 0, 2 ),
-    'print_items_stmt': ( '%|print %c%c,\n', 0, 2),  # Python 2 only
-    'print_items_nl_stmt': ( '%|print %c%c\n', 0, 2),
-    'print_item':  ( ', %c', 0),
-    'print_nl':	( '%|print\n', ),
-    'print_to':		( '%|print >> %c, %c,\n', 0, 1 ),
-    'print_to_nl':	( '%|print >> %c, %c\n', 0, 1 ),
-    'print_nl_to':	( '%|print >> %c\n', 0 ),
+    'assert_expr_or':   ( '%c or %c', 0, 2 ),
+    'assert_expr_and':  ( '%c and %c', 0, 2 ),
+    'print_items_stmt': ( '%|print %c%c,\n', 0, 2 ),  # Python 2 only
+    'print_items_nl_stmt': ( '%|print %c%c\n', 0, 2 ),
+    'print_item':       ( ', %c', 0),
+    'print_nl':	        ( '%|print\n', ),
+    'print_to':		    ( '%|print >> %c, %c,\n', 0, 1 ),
+    'print_to_nl':	    ( '%|print >> %c, %c\n', 0, 1 ),
+    'print_nl_to':	    ( '%|print >> %c\n', 0 ),
     'print_to_items':	( '%C', (0, 2, ', ') ),
 
-    'call_stmt':	( '%|%p\n', (0, 200)),
-    'break_stmt':	( '%|break\n', ),
+    'call_stmt':	    ( '%|%p\n', (0, 200)),
+    'break_stmt':	    ( '%|break\n', ),
     'continue_stmt':	( '%|continue\n', ),
 
-    'raise_stmt0':	( '%|raise\n', ),
-    'raise_stmt1':	( '%|raise %c\n', 0),
-    'raise_stmt3':	( '%|raise %c, %c, %c\n', 0, 1, 2),
+    'raise_stmt0':	    ( '%|raise\n', ),
+    'raise_stmt1':	    ( '%|raise %c\n', 0),
+    'raise_stmt3':	    ( '%|raise %c, %c, %c\n', 0, 1, 2),
 #    'yield':	( 'yield %c', 0),
 #    'return_stmt':	( '%|return %c\n', 0),
 
-    'ifstmt':		( '%|if %c:\n%+%c%-', 0, 1 ),
+    'ifstmt':		    ( '%|if %c:\n%+%c%-', 0, 1 ),
     'iflaststmt':		( '%|if %c:\n%+%c%-', 0, 1 ),
     'iflaststmtl':		( '%|if %c:\n%+%c%-', 0, 1 ),
     'testtrue':         ( 'not %p', (0, 22) ),
@@ -229,37 +228,37 @@ TABLE_DIRECT = {
     'elifelsestmtr2':	( '%|elif %c:\n%+%c%-%|else:\n%+%c%-\n\n', 0, 1, 3 ), # has COME_FROM
 
     'whileTruestmt':	( '%|while True:\n%+%c%-\n\n', 1 ),
-    'whilestmt':	( '%|while %c:\n%+%c%-\n\n', 1, 2 ),
-    'while1stmt':	( '%|while 1:\n%+%c%-\n\n', 1 ),
-    'while1elsestmt':  ( '%|while 1:\n%+%c%-%|else:\n%+%c%-\n\n', 1, -2 ),
+    'whilestmt':	    ( '%|while %c:\n%+%c%-\n\n', 1, 2 ),
+    'while1stmt':	    ( '%|while 1:\n%+%c%-\n\n', 1 ),
+    'while1elsestmt':   ( '%|while 1:\n%+%c%-%|else:\n%+%c%-\n\n', 1, -2 ),
     'whileelsestmt':	( '%|while %c:\n%+%c%-%|else:\n%+%c%-\n\n', 1, 2, -2 ),
     'whileelselaststmt':	( '%|while %c:\n%+%c%-%|else:\n%+%c%-', 1, 2, -2 ),
-    'forstmt':		( '%|for %c in %c:\n%+%c%-\n\n', 3, 1, 4 ),
-    'forelsestmt':	(
-        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 3, 1, 4, -2),
+    'forstmt':		    ( '%|for %c in %c:\n%+%c%-\n\n', 3, 1, 4 ),
+    'forelsestmt':	    (
+        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 3, 1, 4, -2 ),
     'forelselaststmt':	(
-        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-', 3, 1, 4, -2),
+        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-', 3, 1, 4, -2 ),
     'forelselaststmtl':	(
-        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 3, 1, 4, -2),
-    'trystmt':		( '%|try:\n%+%c%-%c\n\n', 1, 3 ),
-    'tryelsestmt':	( '%|try:\n%+%c%-%c%|else:\n%+%c%-\n\n', 1, 3, 4 ),
-    'tryelsestmtc':	( '%|try:\n%+%c%-%c%|else:\n%+%c%-', 1, 3, 4 ),
-    'tryelsestmtl':	( '%|try:\n%+%c%-%c%|else:\n%+%c%-', 1, 3, 4 ),
-    'tf_trystmt':	( '%c%-%c%+', 1, 3 ),
+        '%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 3, 1, 4, -2 ),
+    'trystmt':		    ( '%|try:\n%+%c%-%c\n\n', 1, 3 ),
+    'tryelsestmt':	    ( '%|try:\n%+%c%-%c%|else:\n%+%c%-\n\n', 1, 3, 4 ),
+    'tryelsestmtc':	    ( '%|try:\n%+%c%-%c%|else:\n%+%c%-', 1, 3, 4 ),
+    'tryelsestmtl':	    ( '%|try:\n%+%c%-%c%|else:\n%+%c%-', 1, 3, 4 ),
+    'tf_trystmt':	    ( '%c%-%c%+', 1, 3 ),
     'tf_tryelsestmt':	( '%c%-%c%|else:\n%+%c', 1, 3, 4 ),
     'tryfinallystmt':	( '%|try:\n%+%c%-%|finally:\n%+%c%-\n\n', 1, 5 ),
     'except':           ( '%|except:\n%+%c%-', 3 ),
-    'except_cond1':	( '%|except %c:\n', 1 ),
+    'except_cond1':	    ( '%|except %c:\n', 1 ),
     'except_suite':     ( '%+%c%-%C', 0, (1, maxint, '') ),
     'except_suite_finalize':     ( '%+%c%-%C', 1, (3, maxint, '') ),
-    'passstmt':		( '%|pass\n', ),
-    'STORE_FAST':	( '%{pattr}', ),
-    'kv':		( '%c: %c', 3, 1 ),
-    'kv2':		( '%c: %c', 1, 2 ),
-    'mapexpr':		( '{%[1]C}', (0, maxint, ', ') ),
-    'importstmt': ( '%|import %c\n', 2),
-    'importfrom': ( '%|from %[2]{pattr} import %c\n', 3 ),
-    'importstar': ( '%|from %[2]{pattr} import *\n', ),
+    'passstmt':		    ( '%|pass\n', ),
+    'STORE_FAST':	    ( '%{pattr}', ),
+    'kv':		        ( '%c: %c', 3, 1 ),
+    'kv2':		        ( '%c: %c', 1, 2 ),
+    'mapexpr':		    ( '{%[1]C}', (0, maxint, ', ') ),
+    'importstmt':       ( '%|import %c\n', 2),
+    'importfrom':       ( '%|from %[2]{pattr} import %c\n', 3 ),
+    'importstar':       ( '%|from %[2]{pattr} import *\n', ),
 }
 
 
@@ -276,7 +275,7 @@ MAP = {
 }
 
 # Operator precidence
-# See https://docs.python.org/3/reference/expressions.html
+# See https://docs.python.org/2/reference/expressions.html
 # or https://docs.python.org/3/reference/expressions.html
 # for a list.
 PRECEDENCE = {

uncompyle6/semantics/fragments.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2015, 2016 by Rocky Bernstein
+#  Copyright (c) 2015-2017 by Rocky Bernstein
 #  Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
 #  Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
 #  Copyright (c) 1999 John Aycock
@@ -8,8 +8,8 @@ Creates Python source code from an uncompyle6 abstract syntax tree,
 and indexes fragments which can be accessed by instruction offset
 address.
 
-See the comments in pysource for information on the abstract sytax tree
-and how semantic actions are written.
+See https://github.com/rocky/python-uncompyle6/wiki/Table-driven-semantic-actions.
+for a more complete explanation, nicely marked up and with examples.
 
 We add some format specifiers here not used in pysource
 
@@ -40,61 +40,53 @@ do it recursively which is where offsets are probably located.
 2. %b
 -----
 
-   %b associates the text from the previous start node up to what we have now
+   %b associates the text from the specified index to what we have now.
+      it takes an integer argument.
 
 For example in:
   'importmultiple':   ( '%|import%b %c%c\n', 0, 2, 3 ),
-
+n
 The node position 0 will be associated with "import".
 
 """
 
 # FIXME: DRY code with pysource
 
-from __future__ import print_function
-
 import re, sys
 
-from uncompyle6 import PYTHON3, IS_PYPY
 from xdis.code import iscode
 from uncompyle6.semantics import pysource
 from uncompyle6 import parser
 from uncompyle6.scanner import Token, Code, get_scanner
 from uncompyle6.semantics.check_ast import checker
-from uncompyle6.semantics.helper import print_docstring
 
 from uncompyle6.show import (
     maybe_show_asm,
     maybe_show_ast,
-    maybe_show_ast_param_default,
 )
 
 from uncompyle6.parsers.astnode import AST
 
 from uncompyle6.semantics.pysource import (
-    ParserError, find_globals, StringIO)
+    ParserError, StringIO)
 
 from uncompyle6.semantics.consts import (
     INDENT_PER_LEVEL, NONE, PRECEDENCE,
     TABLE_DIRECT, escape, minint, MAP
     )
 
-from uncompyle6.semantics.make_function import (
-    find_all_globals, find_none, code_has_star_arg, code_has_star_star_arg
-)
-
-if PYTHON3:
-    from itertools import zip_longest
-else:
-    from itertools import izip_longest as zip_longest
-
-
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
+from spark_parser.ast import GenericASTTraversalPruningException
+
+from uncompyle6 import PYTHON_VERSION
+if PYTHON_VERSION < 2.6:
+    from xdis.namedtuple24 import namedtuple
+else:
+    from collections import namedtuple
 
-from collections import namedtuple
 NodeInfo = namedtuple("NodeInfo", "node start finish")
 ExtractInfo = namedtuple("ExtractInfo",
-                         "lineNo lineStartOffset markerLine selectedLine selectedText")
+                         "lineNo lineStartOffset markerLine selectedLine selectedText nonterminal")
 
 TABLE_DIRECT_FRAGMENT = {
     'break_stmt':	( '%|%rbreak\n', ),
@@ -107,7 +99,7 @@ TABLE_DIRECT_FRAGMENT = {
     'list_for':	  	(' for %c%x in %c%c', 2, (2, (1, )), 0, 3 ),
     'forstmt':	  	( '%|for%b %c%x in %c:\n%+%c%-\n\n', 0, 3, (3, (2, )), 1, 4 ),
     'forelsestmt': 	(
-        '%|for %c in %c%x:\n%+%c%-%|else:\n%+%c%-\n\n', 3, (3, (2,)), 1, 4, -2),
+        '%|for %c%x in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 3, (3, (2,)), 1, 4, -2),
     'forelselaststmt':	(
         '%|for %c%x in %c:\n%+%c%-%|else:\n%+%c%-', 3, (3, (2,)), 1, 4, -2),
     'forelselaststmtl':	(
@@ -172,8 +164,9 @@ class FragmentsWalker(pysource.SourceWalker, object):
     def set_pos_info(self, node, start, finish, name=None):
         if name is None: name = self.name
         if hasattr(node, 'offset'):
-            self.offsets[name, node.offset] = \
-              NodeInfo(node = node, start = start, finish = finish)
+            node.start = start
+            node.finish = finish
+            self.offsets[name, node.offset] = node
 
         if hasattr(node, 'parent'):
             assert node.parent != node
@@ -189,6 +182,34 @@ class FragmentsWalker(pysource.SourceWalker, object):
 
         return
 
+    def table_r_node(self, node):
+        """General pattern where the last node should should
+        get the text span attributes of the entire tree"""
+        start = len(self.f.getvalue())
+        try:
+            self.default(node)
+        except GenericASTTraversalPruningException:
+            final = len(self.f.getvalue())
+            self.set_pos_info(node, start, final)
+            self.set_pos_info(node[-1], start, final)
+            raise GenericASTTraversalPruningException
+
+    n_slice0 = n_slice1 = n_slice2 = n_slice3 = n_binary_subscr = table_r_node
+    n_augassign_1 = n_print_item = exec_stmt = print_to_item = del_stmt = table_r_node
+    n_classdefco1 = n_classdefco2 = except_cond1 = except_cond2 = table_r_node
+
+    def n_passtmt(self, node):
+        start = len(self.f.getvalue()) + len(self.indent)
+        self.set_pos_info(node, start, start+len("pass"))
+        self.default(node)
+
+    def n_trystmt(self, node):
+        start = len(self.f.getvalue()) + len(self.indent)
+        self.set_pos_info(node[0], start, start+len("try:"))
+        self.default(node)
+
+    n_tryelsestmt = n_tryelsestmtc = n_tryelsestmtl = n_tryfinallystmt = n_trystmt
+
     def n_return_stmt(self, node):
         start = len(self.f.getvalue()) + len(self.indent)
         if self.params['isLambda']:
@@ -242,6 +263,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
             self.write(' ')
             node[0].parent = node
             self.preorder(node[0])
+        self.set_pos_info(node[-1], start, len(self.f.getvalue()))
         self.set_pos_info(node, start, len(self.f.getvalue()))
         self.prune() # stop recursing
 
@@ -379,15 +401,23 @@ class FragmentsWalker(pysource.SourceWalker, object):
                 self.write(sep); sep = ", "
                 self.preorder(subnode)
         self.set_pos_info(node, start, len(self.f.getvalue()))
+        self.set_pos_info(node[-1], start, len(self.f.getvalue()))
         self.println()
         self.prune() # stop recursing
 
     def n_ifelsestmtr(self, node):
-        if len(node[2]) != 2:
+        if node[2] == 'COME_FROM':
+            return_stmts_node = node[3]
+            node.type = 'ifelsestmtr2'
+        else:
+            return_stmts_node = node[2]
+        if len(return_stmts_node) != 2:
             self.default(node)
 
-        if not (node[2][0][0][0] == 'ifstmt' and node[2][0][0][0][1][0] == 'return_if_stmts') \
-                and not (node[2][0][-1][0] == 'ifstmt' and node[2][0][-1][0][1][0] == 'return_if_stmts'):
+        if (not (return_stmts_node[0][0][0] == 'ifstmt'
+                 and return_stmts_node[0][0][0][1][0] == 'return_if_stmts')
+            and not (return_stmts_node[0][-1][0] == 'ifstmt'
+                     and return_stmts_node[0][-1][0][1][0] == 'return_if_stmts')):
             self.default(node)
             return
 
@@ -395,10 +425,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
         self.write(self.indent, 'if ')
         self.preorder(node[0])
         self.println(':')
-        self.indentMore()
+        self.indent_more()
         node[1].parent = node
         self.preorder(node[1])
-        self.indentLess()
+        self.indent_less()
 
         if_ret_at_end = False
         if len(node[2][0]) >= 3:
@@ -408,7 +438,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
 
         past_else = False
         prev_stmt_is_if_ret = True
-        for n in node[2][0]:
+        for n in return_stmts_node[0]:
             if (n[0] == 'ifstmt' and n[0][1][0] == 'return_if_stmts'):
                 if prev_stmt_is_if_ret:
                     n[0].type = 'elifstmt'
@@ -417,17 +447,17 @@ class FragmentsWalker(pysource.SourceWalker, object):
                 prev_stmt_is_if_ret = False
                 if not past_else and not if_ret_at_end:
                     self.println(self.indent, 'else:')
-                    self.indentMore()
+                    self.indent_more()
                     past_else = True
             n.parent = node
             self.preorder(n)
         if not past_else or if_ret_at_end:
             self.println(self.indent, 'else:')
-            self.indentMore()
+            self.indent_more()
         node[2][1].parent = node
         self.preorder(node[2][1])
         self.set_pos_info(node, start, len(self.f.getvalue()))
-        self.indentLess()
+        self.indent_less()
         self.prune()
 
     def n_elifelsestmtr(self, node):
@@ -444,20 +474,20 @@ class FragmentsWalker(pysource.SourceWalker, object):
         node[0].parent = node
         self.preorder(node[0])
         self.println(':')
-        self.indentMore()
+        self.indent_more()
         node[1].parent = node
         self.preorder(node[1])
-        self.indentLess()
+        self.indent_less()
 
         for n in node[2][0]:
             n[0].type = 'elifstmt'
             n.parent = node
             self.preorder(n)
         self.println(self.indent, 'else:')
-        self.indentMore()
+        self.indent_more()
         node[2][1].parent = node
         self.preorder(node[2][1])
-        self.indentLess()
+        self.indent_less()
         self.set_pos_info(node, start, len(self.f.getvalue()))
         self.prune()
 
@@ -490,17 +520,20 @@ class FragmentsWalker(pysource.SourceWalker, object):
             # LOAD_CONST code object ..
             # LOAD_CONST        'x0'  if >= 3.3
             # MAKE_FUNCTION ..
-            code_index = -3
+            code_node = node[-3]
+        elif node[-2] == 'expr':
+            code_node = node[-2][0]
         else:
             # LOAD_CONST code object ..
             # MAKE_FUNCTION ..
-            code_index = -2
-        code = node[code_index]
-        func_name = code.attr.co_name
+            code_node = node[-2]
+        func_name = code_node.attr.co_name
         self.write(func_name)
+        self.set_pos_info(code_node, start, len(self.f.getvalue()))
 
-        self.indentMore()
-        self.make_function(node, isLambda=False, codeNode=code)
+        self.indent_more()
+        start = len(self.f.getvalue())
+        self.make_function(node, isLambda=False, codeNode=code_node)
 
         self.set_pos_info(node, start, len(self.f.getvalue()))
 
@@ -508,7 +541,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
             self.write('\n\n')
         else:
             self.write('\n\n\n')
-        self.indentLess()
+        self.indent_less()
         self.prune() # stop recursing
 
     def n_list_compr(self, node):
@@ -743,7 +776,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
     def n_genexpr(self, node):
         start = len(self.f.getvalue())
         self.write('(')
-        code_index = -6 if self.version > 3.2 else -5
+        if self.version > 3.2:
+            code_index = -6
+        else:
+            code_index = -5
         self.comprehension_walk(node, iter_index=3, code_index=code_index)
         self.write(')')
         self.set_pos_info(node, start, len(self.f.getvalue()))
@@ -897,7 +933,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
                         subclass = n.attr
                         break
                     pass
-                subclass_info = node if node == 'classdefdeco2' else node[0]
+                if node == 'classdefdeco2':
+                    subclass_info = node
+                else:
+                    subclass_info = node[0]
             elif buildclass[1][0] == 'load_closure':
                 # Python 3 with closures not functions
                 load_closure = buildclass[1]
@@ -921,7 +960,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
                 subclass = buildclass[1][0].attr
                 subclass_info = node[0]
         else:
-            buildclass = node if (node == 'classdefdeco2') else node[0]
+            if node == 'classdefdeco2':
+                buildclass = node
+            else:
+                buildclass = node[0]
             build_list = buildclass[1][0]
             if hasattr(buildclass[-3][0], 'attr'):
                 subclass = buildclass[-3][0].attr
@@ -948,9 +990,9 @@ class FragmentsWalker(pysource.SourceWalker, object):
         self.println(':')
 
         # class body
-        self.indentMore()
+        self.indent_more()
         self.build_class(subclass)
-        self.indentLess()
+        self.indent_less()
 
         self.currentclass = cclass
         self.set_pos_info(node, start, len(self.f.getvalue()))
@@ -987,7 +1029,9 @@ class FragmentsWalker(pysource.SourceWalker, object):
             tokens.append(Token('LAMBDA_MARKER'))
             try:
                 ast = parser.parse(self.p, tokens, customize)
-            except (parser.ParserError, AssertionError) as e:
+            except parser.ParserError(e):
+                raise ParserError(e, tokens)
+            except AssertionError(e):
                 raise ParserError(e, tokens)
             maybe_show_ast(self.showast, ast)
             return ast
@@ -1012,7 +1056,9 @@ class FragmentsWalker(pysource.SourceWalker, object):
         # Build AST from disassembly.
         try:
             ast = parser.parse(self.p, tokens, customize)
-        except (parser.ParserError, AssertionError) as e:
+        except parser.ParserError(e):
+            raise ParserError(e, tokens)
+        except AssertionError(e):
             raise ParserError(e, tokens)
 
         maybe_show_ast(self.showast, ast)
@@ -1092,7 +1138,6 @@ class FragmentsWalker(pysource.SourceWalker, object):
     def traverse(self, node, indent=None, isLambda=False):
         '''Buulds up fragment which can be used inside a larger
         block of code'''
-
         self.param_stack.append(self.params)
         if indent is None: indent = self.indent
         p = self.pending_newlines
@@ -1187,16 +1232,38 @@ class FragmentsWalker(pysource.SourceWalker, object):
 
         if elided: selectedLine += ' ...'
 
+        if isinstance(nodeInfo, Token):
+            nodeInfo = nodeInfo.parent
+        else:
+            nodeInfo = nodeInfo
+
+        if isinstance(nodeInfo, AST):
+            nonterminal = nodeInfo[0]
+        else:
+            nonterminal = nodeInfo.node
+
         return ExtractInfo(lineNo = len(lines), lineStartOffset = lineStart,
                            markerLine = markerLine,
                            selectedLine = selectedLine,
-                           selectedText = selectedText)
+                           selectedText = selectedText,
+                           nonterminal = nonterminal)
 
     def extract_line_info(self, name, offset):
         if (name, offset) not in list(self.offsets.keys()):
             return None
         return self.extract_node_info(self.offsets[name, offset])
 
+    def prev_node(self, node):
+        prev = None
+        if not hasattr(node, 'parent'):
+            return prev
+        p = node.parent
+        for n in p:
+            if node == n:
+                return prev
+            prev = n
+        return prev
+
     def extract_parent_info(self, node):
         if not hasattr(node, 'parent'):
             return None, None
@@ -1266,7 +1333,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
         p = self.prec
         self.prec = 100
 
-        self.indentMore(INDENT_PER_LEVEL)
+        self.indent_more(INDENT_PER_LEVEL)
         line_seperator = ',\n' + self.indent
         sep = INDENT_PER_LEVEL[:-1]
         start = len(self.f.getvalue())
@@ -1343,7 +1410,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
             n.parent = node
             self.set_pos_info(n, start, finish)
         self.set_pos_info(node, start, finish)
-        self.indentLess(INDENT_PER_LEVEL)
+        self.indent_less(INDENT_PER_LEVEL)
         self.prec = p
         self.prune()
 
@@ -1379,7 +1446,7 @@ class FragmentsWalker(pysource.SourceWalker, object):
             else:
                 flat_elems.append(elem)
 
-        self.indentMore(INDENT_PER_LEVEL)
+        self.indent_more(INDENT_PER_LEVEL)
         if len(node) > 3:
             line_separator = ',\n' + self.indent
         else:
@@ -1404,14 +1471,14 @@ class FragmentsWalker(pysource.SourceWalker, object):
         n.parent = node.parent
         self.set_pos_info(n, start, finish)
         self.set_pos_info(node, start, finish)
-        self.indentLess(INDENT_PER_LEVEL)
+        self.indent_less(INDENT_PER_LEVEL)
         self.prec = p
         self.prune()
 
-    def engine(self, entry, startnode):
+    def template_engine(self, entry, startnode):
         """The format template interpetation engine.  See the comment at the
-        beginning of this module for the how we interpret format specifications such as
-        %c, %C, and so on.
+        beginning of this module for the how we interpret format
+        specifications such as %c, %C, and so on.
         """
 
         # print("-----")
@@ -1448,8 +1515,8 @@ class FragmentsWalker(pysource.SourceWalker, object):
                 self.write('%')
                 self.set_pos_info(node, start, len(self.f.getvalue()))
 
-            elif typ == '+': self.indentMore()
-            elif typ == '-': self.indentLess()
+            elif typ == '+': self.indent_more()
+            elif typ == '-': self.indent_less()
             elif typ == '|': self.write(self.indent)
             # no longer used, since BUILD_TUPLE_n is pretty printed:
             elif typ == 'r': recurse_node = True
@@ -1560,25 +1627,14 @@ class FragmentsWalker(pysource.SourceWalker, object):
             self.set_pos_info(startnode, startnode_start, fin)
 
         # FIXME rocky: figure out how to get these casess to be table driven.
-        #
-        # 1. for loops. For loops have two positions that correspond to a single text
-        # location. In "for i in ..." there is the initialization "i" code as well
-        # as the iteration code with "i".  A "copy" spec like %X3,3 - copy parame
-        # 3 to param 2 would work
-        #
         # 2. subroutine calls. It the last op is the call and for purposes of printing
         # we don't need to print anything special there. However it encompases the
         # entire string of the node fn(...)
-        match = re.search(r'^try', startnode.type)
+        match = re.search(r'^call_function', startnode.type)
         if match:
-            self.set_pos_info(node[0], startnode_start, startnode_start+len("try:"))
-            self.set_pos_info(node[2], node[3].finish, node[3].finish)
-        else:
-            match = re.search(r'^call_function', startnode.type)
-            if match:
-                last_node = startnode[-1]
-                # import traceback; traceback.print_stack()
-                self.set_pos_info(last_node, startnode_start, self.last_finish)
+            last_node = startnode[-1]
+            # import traceback; traceback.print_stack()
+            self.set_pos_info(last_node, startnode_start, self.last_finish)
         return
 
     @classmethod
@@ -1660,6 +1716,13 @@ def deparse_code(version, co, out=StringIO(), showasm=False, showast=False,
     if deparsed.ERROR:
         raise deparsed.ERROR
 
+    # To keep the API consistent with previous releases, convert
+    # deparse.offset values into NodeInfo items
+    for tup, node in deparsed.offsets.items():
+        deparsed.offsets[tup] = NodeInfo(node = node, start = node.start,
+                                         finish = node.finish)
+
+    deparsed.scanner = scanner
     return deparsed
 
 from bisect import bisect_right
@@ -1681,7 +1744,7 @@ def deparse_code_around_offset(name, offset, version, co, out=StringIO(),
     deparsed = deparse_code(version, co, out, showasm, showast, showgrammar, is_pypy)
     if (name, offset) in deparsed.offsets.keys():
         # This is the easy case
-        return deparsed.offsets[name, offset]
+        return deparsed
 
     valid_offsets = [t for t in deparsed.offsets if isinstance(t[1], int)]
     offset_list = sorted([t[1] for t in valid_offsets if t[0] == name])
@@ -1694,6 +1757,7 @@ def deparse_code_around_offset(name, offset, version, co, out=StringIO(),
 
 if __name__ == '__main__':
 
+    from uncompyle6 import IS_PYPY
     def deparse_test(co, is_pypy=IS_PYPY):
         sys_version = sys.version_info.major + (sys.version_info.minor / 10.0)
         walk = deparse_code(sys_version, co, showasm=False, showast=False,

uncompyle6/semantics/make_function.py

@@ -3,17 +3,12 @@
 """
 All the crazy things we have to do to handle Python functions
 """
-from xdis.code import iscode
+from xdis.code import iscode, code_has_star_arg, code_has_star_star_arg
 from uncompyle6.scanner import Code
 from uncompyle6.parsers.astnode import AST
-from uncompyle6 import PYTHON3
 from uncompyle6.semantics.parser_error import ParserError
 from uncompyle6.semantics.helper import print_docstring
 
-if PYTHON3:
-    from itertools import zip_longest
-else:
-    from itertools import izip_longest as zip_longest
 
 from uncompyle6.show import maybe_show_ast_param_default
 
@@ -45,17 +40,6 @@ def find_none(node):
             return True
     return False
 
-# FIXME: put this in xdis
-def code_has_star_arg(code):
-    """Return True iff
-    the code object has a variable positional parameter (*args-like)"""
-    return (code.co_flags & 4) != 0
-
-def code_has_star_star_arg(code):
-    """Return True iff
-    The code object has a variable keyword parameter (**kwargs-like)."""
-    return (code.co_flags & 8) != 0
-
 # FIXME: DRY the below code...
 
 def make_function3_annotate(self, node, isLambda, nested=1,
@@ -139,7 +123,7 @@ def make_function3_annotate(self, node, isLambda, nested=1,
                              code._customize,
                              isLambda = isLambda,
                              noneInNames = ('None' in code.co_names))
-    except ParserError as p:
+    except ParserError, p:
         self.write(str(p))
         self.ERROR = p
         return
@@ -163,11 +147,14 @@ def make_function3_annotate(self, node, isLambda, nested=1,
 
     i = len(paramnames) - len(defparams)
     suffix = ''
+
+    no_paramnames = len(paramnames[:i]) == 0
+
     for param in paramnames[:i]:
         self.write(suffix, param)
         suffix = ', '
         if param in annotate_tuple[0].attr:
-            p = annotate_tuple[0].attr.index(param)
+            p = [x for x in annotate_tuple[0].attr].index(param)
             self.write(': ')
             self.preorder(node[p])
             if (line_number != self.line_number):
@@ -179,9 +166,13 @@ def make_function3_annotate(self, node, isLambda, nested=1,
             # else:
             #     self.write(': %s' % value)
 
-    suffix = ', ' if i > 0 else ''
+    if i > 0:
+        suffix = ', '
+    else:
+        suffix = ''
     for n in node:
         if n == 'pos_arg':
+            no_paramnames = False
             self.write(suffix)
             param = paramnames[i]
             self.write(param)
@@ -189,7 +180,11 @@ def make_function3_annotate(self, node, isLambda, nested=1,
                 aa = annotate_args[param]
                 if isinstance(aa, tuple):
                     aa = aa[0]
-                self.write(': "%s"' % aa)
+                    self.write(': "%s"' % aa)
+                elif isinstance(aa, AST):
+                    self.write(': ')
+                    self.preorder(aa)
+
             self.write('=')
             i += 1
             self.preorder(n)
@@ -202,64 +197,65 @@ def make_function3_annotate(self, node, isLambda, nested=1,
 
     # self.println(indent, '#flags:\t', int(code.co_flags))
     if kw_args + annotate_argc > 0:
-        if not code_has_star_arg(code):
-            if argc > 0:
-
-                self.write(", *, ")
-            else:
-                self.write("*, ")
-            pass
-        else:
-            self.write(", ")
-
-        kwargs = node[0]
-        last = len(kwargs)-1
-        i = 0
-        for n in node[0]:
-            if n == 'kwarg':
-                if (line_number != self.line_number):
-                    self.write("\n" + indent)
-                    line_number = self.line_number
-                self.write('%s=' % n[0].pattr)
-                self.preorder(n[1])
-                if i < last:
-                    self.write(', ')
-                i += 1
+        if no_paramnames:
+            if not code_has_star_arg(code):
+                if argc > 0:
+                    self.write(", *, ")
+                else:
+                    self.write("*, ")
                 pass
-            pass
-        annotate_args = []
-        for n in node:
-            if n == 'annotate_arg':
-                annotate_args.append(n[0])
-            elif n == 'annotate_tuple':
-                t = n[0].attr
-                if t[-1] == 'return':
-                    t = t[0:-1]
-                    annotate_args = annotate_args[:-1]
-                    pass
-                last = len(annotate_args) - 1
-                for i in range(len(annotate_args)):
-                    self.write("%s: " % (t[i]))
-                    self.preorder(annotate_args[i])
+            else:
+                self.write(", ")
+
+            kwargs = node[0]
+            last = len(kwargs)-1
+            i = 0
+            for n in node[0]:
+                if n == 'kwarg':
+                    if (line_number != self.line_number):
+                        self.write("\n" + indent)
+                        line_number = self.line_number
+                    self.write('%s=' % n[0].pattr)
+                    self.preorder(n[1])
                     if i < last:
                         self.write(', ')
-                        pass
+                    i += 1
                     pass
-                break
+                pass
+            annotate_args = []
+            for n in node:
+                if n == 'annotate_arg':
+                    annotate_args.append(n[0])
+                elif n == 'annotate_tuple':
+                    t = n[0].attr
+                    if t[-1] == 'return':
+                        t = t[0:-1]
+                        annotate_args = annotate_args[:-1]
+                        pass
+                    last = len(annotate_args) - 1
+                    for i in range(len(annotate_args)):
+                        self.write("%s: " % (t[i]))
+                        self.preorder(annotate_args[i])
+                        if i < last:
+                            self.write(', ')
+                            pass
+                        pass
+                    break
+                pass
             pass
-        pass
 
-    if code_has_star_star_arg(code):
-        if argc > 0:
-            self.write(', ')
-        self.write('**%s' % code.co_varnames[argc + kw_pairs])
+
+        if code_has_star_star_arg(code):
+            if argc > 0:
+                self.write(', ')
+            self.write('**%s' % code.co_varnames[argc + kw_pairs])
 
     if isLambda:
         self.write(": ")
     else:
         self.write(')')
         if 'return' in annotate_tuple[0].attr:
-            if (line_number != self.line_number):
+            if (line_number != self.line_number) and not no_paramnames:
                 self.write("\n" + indent)
                 line_number = self.line_number
             self.write(' -> ')
@@ -358,17 +354,21 @@ def make_function2(self, node, isLambda, nested=1, codeNode=None):
                              code._customize,
                              isLambda = isLambda,
                              noneInNames = ('None' in code.co_names))
-    except ParserError as p:
+    except ParserError, p:
         self.write(str(p))
         self.ERROR = p
         return
 
-    kw_pairs = args_node.attr[1] if self.version >= 3.0 else 0
+    if self.version >= 3.0:
+        kw_pairs = args_node.attr[1]
+    else:
+        kw_pairs = 0
     indent = self.indent
 
     # build parameters
+    tup = [paramnames, defparams]
     params = [build_param(ast, name, default) for
-              name, default in zip_longest(paramnames, defparams, fillvalue=None)]
+              name, default in map(lambda *tup:tup, *tup)]
     params.reverse() # back to correct order
 
     if code_has_star_arg(code):
@@ -402,7 +402,8 @@ def make_function2(self, node, isLambda, nested=1, codeNode=None):
     if code_has_star_star_arg(code):
         if argc > 0:
             self.write(', ')
-        self.write('**%s' % code.co_varnames[argc + kw_pairs])
+        if argc + kw_pairs > 0:
+            self.write('**%s' % code.co_varnames[argc + kw_pairs])
 
     if isLambda:
         self.write(": ")
@@ -504,18 +505,22 @@ def make_function3(self, node, isLambda, nested=1, codeNode=None):
                              code._customize,
                              isLambda = isLambda,
                              noneInNames = ('None' in code.co_names))
-    except ParserError as p:
+    except ParserError, p:
         self.write(str(p))
         self.ERROR = p
         return
 
-    kw_pairs = args_node.attr[1] if self.version >= 3.0 else 0
+    if self.version >= 3.0:
+        kw_pairs = args_node.attr[1]
+    else:
+        kw_pairs = 0
     indent = self.indent
 
     # build parameters
     if self.version != 3.2:
+        tup = [paramnames, defparams]
         params = [build_param(ast, name, default) for
-                  name, default in zip_longest(paramnames, defparams, fillvalue=None)]
+              name, default in map(lambda *tup:tup, *tup)]
         params.reverse() # back to correct order
 
         if code_has_star_arg(code):
@@ -550,7 +555,10 @@ def make_function3(self, node, isLambda, nested=1, codeNode=None):
 
         i = len(paramnames) - len(defparams)
         self.write(", ".join(paramnames[:i]))
-        suffix = ', ' if i > 0 else ''
+        if i > 0:
+            suffix = ', '
+        else:
+            suffix = ''
         for n in node:
             if n == 'pos_arg':
                 self.write(suffix)

uncompyle6/semantics/pysource.py

@@ -11,63 +11,87 @@ and what they mean).
 
 Upper levels of the grammar is a more-or-less conventional grammar for
 Python.
-
-Semantic action rules for nonterminal symbols can be specified here by
-creating a method prefaced with "n_" for that nonterminal. For
-example, "n_exec_stmt" handles the semantic actions for the
-"exec_smnt" nonterminal symbol. Similarly if a method with the name
-of the nonterminal is suffixed with "_exit" it will be called after
-all of its children are called.
-
-Another other way to specify a semantic rule for a nonterminal is via
-rule given in one of the tables MAP_R0, MAP_R, or MAP_DIRECT.
-
-These uses a printf-like syntax to direct substitution from attributes
-of the nonterminal and its children..
-
-The rest of the below describes how table-driven semantic actions work
-and gives a list of the format specifiers. The default() and engine()
-methods implement most of the below.
-
-  Step 1 determines a table (T) and a path to a
-  table key (K) from the node type (N) (other nodes are shown as O):
-
-         N                  N               N&K
-     / | ... \          / | ... \        / | ... \
-    O  O      O        O  O      K      O  O      O
-              |
-              K
-
-  MAP_R0 (TABLE_R0)  MAP_R (TABLE_R)  MAP_DIRECT (TABLE_DIRECT)
-
-  The default is a direct mapping.  The key K is then extracted from the
-  subtree and used to find a table entry T[K], if any.  The result is a
-  format string and arguments (a la printf()) for the formatting engine.
-  Escapes in the format string are:
-
-    %c  evaluate children N[A] recursively*
-    %C  evaluate children N[A[0]]..N[A[1]-1] recursively, separate by A[2]*
-    %P  same as %C but sets operator precedence
-    %D  same as %C but is for left-recursive lists like kwargs which
-        goes to epsilon at the beginning. Using %C an extra separator
-        with an epsilon appears at the beginning
-    %,  print ',' if last %C only printed one item. This is mostly for tuples
-        on the LHS of an assignment statement since BUILD_TUPLE_n pretty-prints
-        other tuples.
-    %|  tab to current indentation level
-    %+ increase current indentation level
-    %- decrease current indentation level
-    %{...} evaluate ... in context of N
-    %% literal '%'
-    %p evaluate N setting precedence
-
-
-  * indicates an argument (A) required.
-
-  The '%' may optionally be followed by a number (C) in square brackets, which
-  makes the engine walk down to N[C] before evaluating the escape code.
 """
-from __future__ import print_function
+
+# The below is a bit long, but still it is somehwat abbreviated.
+# See https://github.com/rocky/python-uncompyle6/wiki/Table-driven-semantic-actions.
+# for a more complete explanation, nicely marked up and with examples.
+#
+#
+# Semantic action rules for nonterminal symbols can be specified here by
+# creating a method prefaced with "n_" for that nonterminal. For
+# example, "n_exec_stmt" handles the semantic actions for the
+# "exec_stmt" nonterminal symbol. Similarly if a method with the name
+# of the nonterminal is suffixed with "_exit" it will be called after
+# all of its children are called.
+#
+# However if this were done for all of the rules, this file would be even longer
+# than it is already.
+#
+# Another more compact way to specify a semantic rule for a nonterminal is via
+# rule given in one of the tables MAP_R0, MAP_R, or MAP_DIRECT.
+#
+# These uses a printf-like syntax to direct substitution from attributes
+# of the nonterminal and its children..
+#
+# The rest of the below describes how table-driven semantic actions work
+# and gives a list of the format specifiers. The default() and
+# template_engine() methods implement most of the below.
+#
+#   Step 1 determines a table (T) and a path to a
+#   table key (K) from the node type (N) (other nodes are shown as O):
+#
+#          N                  N               N&K
+#        / | ... \          / | ... \        / | ... \
+#       O  O      O        O  O      K      O  O      O
+#                 |
+#                 K
+#
+#   MAP_R0 (TABLE_R0)  MAP_R (TABLE_R)  MAP_DIRECT (TABLE_DIRECT)
+#
+#   The default is a direct mapping.  The key K is then extracted from the
+#   subtree and used to find a table entry T[K], if any.  The result is a
+#   format string and arguments (a la printf()) for the formatting engine.
+#   Escapes in the format string are:
+#
+#     %c  evaluate the node recursively. Its argument is a single
+#         integer representing a node index.
+#     %p  like %c but sets the operator precedence.
+#         Its argument then is a tuple indicating the node
+#         index and the precidence value, an integer.
+#
+#     %C  evaluate children recursively, with sibling children separated by the
+#         given string.  It needs a 3-tuple: a starting node, the maximimum
+#         value of an end node, and a string to be inserted between sibling children
+#
+#     %,  Append ',' if last %C only printed one item. This is mostly for tuples
+#         on the LHS of an assignment statement since BUILD_TUPLE_n pretty-prints
+#         other tuples. The specifier takes no arguments
+#
+#     %P same as %C but sets operator precedence.  Its argument is a 4-tuple:
+#         the node low and high indices, the separator, a string the precidence
+#         value, an integer.
+#
+#     %D Same as `%C` this is for left-recursive lists like kwargs where goes
+#         to epsilon at the beginning. It needs a 3-tuple: a starting node, the
+#         maximimum value of an end node, and a string to be inserted between
+#         sibling children. If we were to use `%C` an extra separator with an
+#         epsilon would appear at the beginning.
+#
+#     %|  Insert spaces to the current indentation level. Takes no arguments.
+#
+#     %+ increase current indentation level. Takes no arguments.
+#
+#     %- decrease current indentation level. Takes no arguments.
+#
+#     %{...} evaluate ... in context of N
+#
+#     %% literal '%'. Takes no arguments.
+#
+#
+#   The '%' may optionally be followed by a number (C) in square
+#   brackets, which makes the template_engine walk down to N[C] before
+#   evaluating the escape code.
 
 import sys
 
@@ -124,6 +148,29 @@ class SourceWalker(GenericASTTraversal, object):
                  debug_parser=PARSER_DEFAULT_DEBUG,
                  compile_mode='exec', is_pypy=False,
                  linestarts={}):
+        """version is the Python version (a float) of the Python dialect
+
+        of both the AST and language we should produce.
+
+        out is IO-like file pointer to where the output should go. It
+        whould have a getvalue() method.
+
+        scanner is a method to call when we need to scan tokens. Sometimes
+        in producing output we will run across further tokens that need
+        to be scaned.
+
+        If showast is True, we print the AST tree.
+
+        compile_mode is is either 'exec' or 'single'. It isthe compile
+        mode that was used to create the AST and specifies a gramar variant within
+        a Python version to use.
+
+        is_pypy should be True if the AST was generated for PyPy.
+
+        linestarts is a dictionary of line number to bytecode offset. This
+        can sometimes assist in determinte which kind of source-code construct
+        to use when there is ambiguity.
+        """
         GenericASTTraversal.__init__(self, ast=None)
         self.scanner = scanner
         params = {
@@ -306,11 +353,18 @@ class SourceWalker(GenericASTTraversal, object):
                     # MAKE_FUNCTION ..
                     code = node[-3]
 
-                self.indentMore()
+                self.indent_more()
                 for annotate_last in range(len(node)-1, -1, -1):
                     if node[annotate_last] == 'annotate_tuple':
                         break
 
+                # FIXME: the real situation is that when derived from
+                # funcdef_annotate we the name has been filled in.
+                # But when derived from funcdefdeco it hasn't Would like a better
+                # way to distinquish.
+                if self.f.getvalue()[-4:] == 'def ':
+                    self.write(code.attr.co_name)
+
                 # FIXME: handle and pass full annotate args
                 make_function3_annotate(self, node, isLambda=False,
                                         codeNode=code, annotate_last=annotate_last)
@@ -319,7 +373,7 @@ class SourceWalker(GenericASTTraversal, object):
                     self.write('\n\n')
                 else:
                     self.write('\n\n\n')
-                self.indentLess()
+                self.indent_less()
                 self.prune() # stop recursing
             self.n_mkfunc_annotate = n_mkfunc_annotate
 
@@ -354,13 +408,39 @@ class SourceWalker(GenericASTTraversal, object):
                         node.type == 'call_function'
                         p = self.prec
                         self.prec = 80
-                        self.engine(('%c(%P)', 0, (1, -4, ', ', 100)), node)
+                        self.template_engine(('%c(%P)', 0,
+                                              (1, -4, ', ', 100)), node)
                         self.prec = p
+                        node.type == 'async_call_function'
                         self.prune()
                     self.n_async_call_function = n_async_call_function
-
                     self.n_build_list_unpack = self.n_build_list
 
+                    if version == 3.5:
+                        def n_call_function(node):
+                            mapping = self._get_mapping(node)
+                            table = mapping[0]
+                            key = node
+                            for i in mapping[1:]:
+                                key = key[i]
+                                pass
+                            if key.type.startswith('CALL_FUNCTION_VAR_KW'):
+                                # Python 3.5 changes the stack position of *args. kwargs come
+                                # after *args whereas in earlier Pythons, *args is at the end
+                                # which simpilfiies things from our perspective.
+                                # Python 3.6+ replaces CALL_FUNCTION_VAR_KW with CALL_FUNCTION_EX
+                                # We will just swap the order to make it look like earlier Python 3.
+                                entry = table[key.type]
+                                kwarg_pos = entry[2][1]
+                                args_pos = kwarg_pos - 1
+                                # Put last node[args_pos] after subsequent kwargs
+                                while node[kwarg_pos] == 'kwarg' and kwarg_pos < len(node):
+                                    # swap node[args_pos] with node[kwargs_pos]
+                                    node[kwarg_pos], node[args_pos] = node[args_pos], node[kwarg_pos]
+                                    args_pos = kwarg_pos
+                                    kwarg_pos += 1
+                            self.default(node)
+                        self.n_call_function = n_call_function
 
                     def n_funcdef(node):
                         if self.version == 3.6:
@@ -371,9 +451,11 @@ class SourceWalker(GenericASTTraversal, object):
                         is_code = hasattr(code_node, 'attr') and iscode(code_node.attr)
                         if (is_code and
                             (code_node.attr.co_flags & COMPILER_FLAG_BIT['COROUTINE'])):
-                            self.engine(('\n\n%|async def %c\n', -2), node)
+                            self.template_engine(('\n\n%|async def %c\n',
+                                                  -2), node)
                         else:
-                            self.engine(('\n\n%|def %c\n', -2), node)
+                            self.template_engine(('\n\n%|def %c\n', -2),
+                                                 node)
                         self.prune()
                     self.n_funcdef = n_funcdef
 
@@ -471,10 +553,10 @@ class SourceWalker(GenericASTTraversal, object):
         super(SourceWalker, self).preorder(node)
         self.set_pos_info(node)
 
-    def indentMore(self, indent=TAB):
+    def indent_more(self, indent=TAB):
         self.indent += indent
 
-    def indentLess(self, indent=TAB):
+    def indent_less(self, indent=TAB):
         self.indent = self.indent[:-len(indent)]
 
     def traverse(self, node, indent=None, isLambda=False):
@@ -525,6 +607,8 @@ class SourceWalker(GenericASTTraversal, object):
 
         if self.pending_newlines:
             out = out[:-self.pending_newlines]
+        if isinstance(out, str) and not PYTHON3:
+            out = unicode(out, 'utf-8')
         self.f.write(out)
 
     def println(self, *data):
@@ -547,26 +631,6 @@ class SourceWalker(GenericASTTraversal, object):
                     node == AST('return_stmt',
                                 [AST('ret_expr', [NONE]), Token('RETURN_VALUE')]))
 
-    def n_continue_stmt(self, node):
-        if self.version >= 3.0 and node[0] == 'CONTINUE':
-            t = node[0]
-            if not t.linestart:
-                # Artificially-added "continue" statements derived from JUMP_ABSOLUTE
-                # don't have line numbers associated with them.
-                # If this is a CONTINUE is to the same target as a JUMP_ABSOLUTE following it,
-                # then the "continue" can be suppressed.
-                op, offset = t.op, t.offset
-                next_offset = self.scanner.next_offset(op, offset)
-                scanner = self.scanner
-                code = scanner.code
-                if next_offset < len(code):
-                    next_inst = code[next_offset]
-                    if (scanner.opc.opname[next_inst] == 'JUMP_ABSOLUTE'
-                        and t.pattr == code[next_offset+1]):
-                        # Suppress "continue"
-                        self.prune()
-        self.default(node)
-
     def n_return_stmt(self, node):
         if self.params['isLambda']:
             self.preorder(node[0])
@@ -810,9 +874,9 @@ class SourceWalker(GenericASTTraversal, object):
         self.write(self.indent, 'if ')
         self.preorder(node[0])
         self.println(':')
-        self.indentMore()
+        self.indent_more()
         self.preorder(node[1])
-        self.indentLess()
+        self.indent_less()
 
         if_ret_at_end = False
         if len(return_stmts_node[0]) >= 3:
@@ -831,14 +895,14 @@ class SourceWalker(GenericASTTraversal, object):
                 prev_stmt_is_if_ret = False
                 if not past_else and not if_ret_at_end:
                     self.println(self.indent, 'else:')
-                    self.indentMore()
+                    self.indent_more()
                     past_else = True
             self.preorder(n)
         if not past_else or if_ret_at_end:
             self.println(self.indent, 'else:')
-            self.indentMore()
+            self.indent_more()
         self.preorder(return_stmts_node[1])
-        self.indentLess()
+        self.indent_less()
         self.prune()
     n_ifelsestmtr2 = n_ifelsestmtr
 
@@ -860,17 +924,17 @@ class SourceWalker(GenericASTTraversal, object):
         self.write(self.indent, 'elif ')
         self.preorder(node[0])
         self.println(':')
-        self.indentMore()
+        self.indent_more()
         self.preorder(node[1])
-        self.indentLess()
+        self.indent_less()
 
         for n in return_stmts_node[0]:
             n[0].type = 'elifstmt'
             self.preorder(n)
         self.println(self.indent, 'else:')
-        self.indentMore()
+        self.indent_more()
         self.preorder(return_stmts_node[1])
-        self.indentLess()
+        self.indent_less()
         self.prune()
 
     def n_import_as(self, node):
@@ -900,25 +964,25 @@ class SourceWalker(GenericASTTraversal, object):
             # LOAD_CONST code object ..
             # LOAD_CONST        'x0'  if >= 3.3
             # MAKE_FUNCTION ..
-            code = node[-3]
+            code_node = node[-3]
         elif node[-2] == 'expr':
-            code = node[-2][0]
+            code_node = node[-2][0]
         else:
             # LOAD_CONST code object ..
             # MAKE_FUNCTION ..
-            code = node[-2]
+            code_node = node[-2]
 
-        func_name = code.attr.co_name
+        func_name = code_node.attr.co_name
         self.write(func_name)
 
-        self.indentMore()
-        self.make_function(node, isLambda=False, codeNode=code)
+        self.indent_more()
+        self.make_function(node, isLambda=False, codeNode=code_node)
 
         if len(self.param_stack) > 1:
             self.write('\n\n')
         else:
             self.write('\n\n\n')
-        self.indentLess()
+        self.indent_less()
         self.prune() # stop recursing
 
     def make_function(self, node, isLambda, nested=1,
@@ -943,7 +1007,10 @@ class SourceWalker(GenericASTTraversal, object):
                 return
             n = node[-1]
         elif node[-1] == 'del_stmt':
-            n = node[-3] if node[-2] == 'JUMP_BACK' else node[-2]
+            if node[-2] == 'JUMP_BACK':
+                n = node[-3]
+            else:
+                n = node[-2]
 
         assert n == 'list_iter'
 
@@ -961,7 +1028,10 @@ class SourceWalker(GenericASTTraversal, object):
             list_iter = node[-1]
         else:
             expr = n[1]
-            list_iter = node[-3] if node[-2] == 'JUMP_BACK' else node[-2]
+            if node[-2] == 'JUMP_BACK':
+                list_iter = node[-3]
+            else:
+                list_iter = node[-2]
 
         assert expr == 'expr'
         assert list_iter == 'list_iter'
@@ -1013,7 +1083,10 @@ class SourceWalker(GenericASTTraversal, object):
         self.write( '[ ')
 
         expr = n[0]
-        list_iter = node[-2] if self.is_pypy and node[-1] == 'JUMP_BACK' else node[-1]
+        if self.is_pypy and node[-1] == 'JUMP_BACK':
+            list_iter = node[-2]
+        else:
+            list_iter = node[-1]
 
         assert expr == 'expr'
         assert list_iter == 'list_iter'
@@ -1087,7 +1160,10 @@ class SourceWalker(GenericASTTraversal, object):
         self.write(' for ')
         self.preorder(ast[iter_index-1])
         self.write(' in ')
-        iter_expr = node[2] if node[2] == 'expr' else node[-3]
+        if node[2] == 'expr':
+            iter_expr = node[2]
+        else:
+            iter_expr = node[-3]
         assert iter_expr == 'expr'
         self.preorder(iter_expr)
         self.preorder(ast[iter_index])
@@ -1095,7 +1171,10 @@ class SourceWalker(GenericASTTraversal, object):
 
     def n_genexpr(self, node):
         self.write('(')
-        code_index = -6 if self.version > 3.2 else -5
+        if self.version > 3.2:
+            code_index = -6
+        else:
+            code_index = -5
         self.comprehension_walk(node, iter_index=3, code_index=code_index)
         self.write(')')
         self.prune()
@@ -1336,7 +1415,10 @@ class SourceWalker(GenericASTTraversal, object):
                             break
                         pass
                     pass
-                subclass_info = node if node == 'classdefdeco2' else node[0]
+                if node == 'classdefdeco2':
+                    subclass_info = node
+                else:
+                    subclass_info = node[0]
             elif buildclass[1][0] == 'load_closure':
                 # Python 3 with closures not functions
                 load_closure = buildclass[1]
@@ -1363,7 +1445,10 @@ class SourceWalker(GenericASTTraversal, object):
                 subclass_code = buildclass[1][0].attr
                 subclass_info = node[0]
         else:
-            buildclass = node if (node == 'classdefdeco2') else node[0]
+            if node == 'classdefdeco2':
+                buildclass = node
+            else:
+                buildclass = node[0]
             build_list = buildclass[1][0]
             if hasattr(buildclass[-3][0], 'attr'):
                 subclass_code = buildclass[-3][0].attr
@@ -1389,9 +1474,9 @@ class SourceWalker(GenericASTTraversal, object):
         self.println(':')
 
         # class body
-        self.indentMore()
+        self.indent_more()
         self.build_class(subclass_code)
-        self.indentLess()
+        self.indent_less()
 
         self.currentclass = cclass
         if len(self.param_stack) > 1:
@@ -1462,7 +1547,7 @@ class SourceWalker(GenericASTTraversal, object):
         p = self.prec
         self.prec = 100
 
-        self.indentMore(INDENT_PER_LEVEL)
+        self.indent_more(INDENT_PER_LEVEL)
         sep = INDENT_PER_LEVEL[:-1]
         self.write('{')
         line_number = self.line_number
@@ -1600,7 +1685,7 @@ class SourceWalker(GenericASTTraversal, object):
         if sep.startswith(",\n"):
             self.write(sep[1:])
         self.write('}')
-        self.indentLess(INDENT_PER_LEVEL)
+        self.indent_less(INDENT_PER_LEVEL)
         self.prec = p
         self.prune()
 
@@ -1651,7 +1736,7 @@ class SourceWalker(GenericASTTraversal, object):
             else:
                 flat_elems.append(elem)
 
-        self.indentMore(INDENT_PER_LEVEL)
+        self.indent_more(INDENT_PER_LEVEL)
         sep = ''
 
         for elem in flat_elems:
@@ -1676,7 +1761,7 @@ class SourceWalker(GenericASTTraversal, object):
         if lastnode.attr == 1 and lastnodetype.startswith('BUILD_TUPLE'):
             self.write(',')
         self.write(endchar)
-        self.indentLess(INDENT_PER_LEVEL)
+        self.indent_less(INDENT_PER_LEVEL)
         self.prec = p
         self.prune()
 
@@ -1727,11 +1812,12 @@ class SourceWalker(GenericASTTraversal, object):
             node[-2][0].type = 'unpack_w_parens'
         self.default(node)
 
-    def engine(self, entry, startnode):
+    def template_engine(self, entry, startnode):
         """The format template interpetation engine.  See the comment at the
-        beginning of this module for the how we interpret format specifications such as
-        %c, %C, and so on.
+        beginning of this module for the how we interpret format
+        specifications such as %c, %C, and so on.
         """
+
         # self.println("----> ", startnode.type, ', ', entry[0])
         fmt = entry[0]
         arg = 1
@@ -1750,10 +1836,10 @@ class SourceWalker(GenericASTTraversal, object):
             if   typ == '%':	self.write('%')
             elif typ == '+':
                 self.line_number += 1
-                self.indentMore()
+                self.indent_more()
             elif typ == '-':
                 self.line_number += 1
-                self.indentLess()
+                self.indent_less()
             elif typ == '|':
                 self.line_number += 1
                 self.write(self.indent)
@@ -1834,7 +1920,7 @@ class SourceWalker(GenericASTTraversal, object):
             pass
 
         if key.type in table:
-            self.engine(table[key.type], node)
+            self.template_engine(table[key.type], node)
             self.prune()
 
     def customize(self, customize):
@@ -1858,7 +1944,7 @@ class SourceWalker(GenericASTTraversal, object):
                         'CALL_FUNCTION_VAR_KW', 'CALL_FUNCTION_KW'):
                 if v == 0:
                     str = '%c(%C' # '%C' is a dummy here ...
-                    p2 = (0, 0, None) # .. because of this
+                    p2 = (0, 0, None) # .. because of the None in this
                 else:
                     str = '%c(%C, '
                     p2 = (1, -2, ', ')
@@ -2056,7 +2142,9 @@ class SourceWalker(GenericASTTraversal, object):
             tokens.append(Token('LAMBDA_MARKER'))
             try:
                 ast = python_parser.parse(self.p, tokens, customize)
-            except (python_parser.ParserError, AssertionError) as e:
+            except python_parser.ParserError, e:
+                raise ParserError(e, tokens)
+            except AssertionError, e:
                 raise ParserError(e, tokens)
             maybe_show_ast(self.showast, ast)
             return ast
@@ -2083,7 +2171,9 @@ class SourceWalker(GenericASTTraversal, object):
         # Build AST from disassembly.
         try:
             ast = python_parser.parse(self.p, tokens, customize)
-        except (python_parser.ParserError, AssertionError) as e:
+        except python_parser.ParserError, e:
+            raise ParserError(e, tokens)
+        except AssertionError, e:
             raise ParserError(e, tokens)
 
         maybe_show_ast(self.showast, ast)
@@ -2161,10 +2251,10 @@ def deparse_code(version, co, out=sys.stdout, showasm=None, showast=False,
 if __name__ == '__main__':
     def deparse_test(co):
         "This is a docstring"
-        sys_version = sys.version_info.major + (sys.version_info.minor / 10.0)
+        sys_version = float(sys.version[0:3])
         deparsed = deparse_code(sys_version, co, showasm='after', showast=True)
         # deparsed = deparse_code(sys_version, co, showasm=None, showast=False,
         #                         showgrammar=True)
         print(deparsed.text)
         return
-    deparse_test(deparse_test.__code__)
+    deparse_test(deparse_test.func_code)

uncompyle6/show.py

@@ -12,7 +12,10 @@ def maybe_show_asm(showasm, tokens):
     :param tokens:  The asm tokens to show.
     """
     if showasm:
-        stream = showasm if hasattr(showasm, 'write') else sys.stdout
+        if hasattr(showasm, 'write'):
+            stream = showasm
+        else:
+            stream = sys.stdout
         for t in tokens:
             stream.write(str(t))
             stream.write('\n')
@@ -29,7 +32,10 @@ def maybe_show_ast(showast, ast):
     :param ast:     The ast to show.
     """
     if showast:
-        stream = showast if hasattr(showast, 'write') else sys.stdout
+        if hasattr(showast, 'write'):
+            stream = showast
+        else:
+            stream = sys.stdout
         stream.write(str(ast))
         stream.write('\n')
 
@@ -48,7 +54,10 @@ def maybe_show_ast_param_default(showast, name, default):
     :param default: The function parameter default.
     """
     if showast:
-        stream = showast if hasattr(showast, 'write') else sys.stdout
+        if hasattr(showast, 'write'):
+            stream = showast
+        else:
+            stream = sys.stdout
         stream.write('\n')
         stream.write('--' + name)
         stream.write('\n')

uncompyle6/verify.py

@@ -6,8 +6,6 @@
 byte-code verification
 """
 
-from __future__ import print_function
-
 import dis, operator
 
 import uncompyle6
@@ -45,7 +43,7 @@ BIN_OP_FUNCS = {
 'BINARY_OR': operator.or_,
 }
 
-JUMP_OPs = None
+JUMP_OPS = None
 
 # --- exceptions ---
 
@@ -227,8 +225,8 @@ def cmp_code_objects(version, is_pypy, code_obj1, code_obj2,
                 import uncompyle6.scanners.scanner36 as scan
                 scanner = scan.Scanner36()
 
-            global JUMP_OPs
-            JUMP_OPs = list(scan.JUMP_OPs) + ['JUMP_BACK']
+            global JUMP_OPS
+            JUMP_OPS = list(scan.JUMP_OPS) + ['JUMP_BACK']
 
             # use changed Token class
             # We (re)set this here to save exception handling,
@@ -333,7 +331,7 @@ def cmp_code_objects(version, is_pypy, code_obj1, code_obj2,
                     else:
                         raise CmpErrorCode(name, tokens1[i1].offset, tokens1[i1],
                                            tokens2[i2], tokens1, tokens2)
-                elif tokens1[i1].type in JUMP_OPs and tokens1[i1].pattr != tokens2[i2].pattr:
+                elif tokens1[i1].type in JUMP_OPS and tokens1[i1].pattr != tokens2[i2].pattr:
                     if tokens1[i1].type == 'JUMP_BACK':
                         dest1 = int(tokens1[i1].pattr)
                         dest2 = int(tokens2[i2].pattr)
@@ -365,8 +363,10 @@ def cmp_code_objects(version, is_pypy, code_obj1, code_obj2,
         elif member == 'co_flags':
             flags1 = code_obj1.co_flags
             flags2 = code_obj2.co_flags
-            if is_pypy:
+            if is_pypy or version == 2.4:
                 # For PYPY for now we don't care about PYPY_SOURCE_IS_UTF8:
+                # Python 2.4 also sets this flag and I am not sure
+                # where or why
                 flags2 &= ~0x0100  # PYPY_SOURCE_IS_UTF8
             # We also don't care about COROUTINE or GENERATOR for now
             flags1 &= ~0x000000a0
@@ -375,6 +375,8 @@ def cmp_code_objects(version, is_pypy, code_obj1, code_obj2,
                 raise CmpErrorMember(name, 'co_flags',
                                      pretty_flags(flags1),
                                      pretty_flags(flags2))
+
+
         else:
             # all other members must be equal
             if getattr(code_obj1, member) != getattr(code_obj2, member):
@@ -396,7 +398,7 @@ class Token(scanner.Token):
             return 0
         if t == 'JUMP_IF_FALSE_OR_POP' and o.type == 'POP_JUMP_IF_FALSE':
             return 0
-        if JUMP_OPs and t in JUMP_OPs:
+        if JUMP_OPS and t in JUMP_OPS:
             # ignore offset
             return t == o.type
         return (t ==  o.type) or self.pattr ==  o.pattr
@@ -418,8 +420,10 @@ def compare_code_with_srcfile(pyc_filename, src_filename, weak_verify=False):
         return msg
     try:
         code_obj2 = load_file(src_filename)
-    except SyntaxError as e:
+    except SyntaxError, e:
         # src_filename can be the first of a group sometimes
+        if version == 2.4:
+            print(pyc_filename)
         return str(e).replace(src_filename, pyc_filename)
     cmp_code_objects(version, is_pypy, code_obj1, code_obj2, ignore_code=weak_verify)
     return None

uncompyle6/version.py

@@ -1,3 +1,3 @@
 # This file is suitable for sourcing inside bash as
 # well as importing into Python
-VERSION='2.10.0'
+VERSION='2.12.0'