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44 Commits

Author SHA1 Message Date
rocky
e06f88043f Merge branch 'master' into python-2.4 2017-08-31 09:54:23 -04:00
rocky
356ea6c770 Remove python versions tag
I think it's messing up Pypi's very fussy formatting
2017-08-31 09:50:48 -04:00
rocky
8fc3fd146f Merge branch 'master' into python-2.4 2017-08-31 09:47:02 -04:00
rocky
4d58438515 Get ready for release 2.11.5 2017-08-31 09:42:14 -04:00
rocky
f7bfe3f7b2 3.7 support 2017-08-15 21:52:43 -04:00
rocky
ce5066bddb Merge branch 'master' into python-2.4 2017-08-15 11:12:20 -04:00
rocky
c54a47b15f Get ready for release 2.11.4 2017-08-15 10:57:14 -04:00
rocky
d1e02afb4b Misc cleanups...
remove code now in xdis
require at least xdis 3.5.4
PyPy tolerance in validate testing
2017-08-15 09:41:39 -04:00
rocky
93f18e2449 Allow version to be string...
in get_python_parser and get_scanner
2017-08-13 09:23:27 -04:00
rocky
f4ceb6304d 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.
2017-08-13 09:17:07 -04:00
rocky
783e62f3ca Merge branch 'python-2.4' of github.com:rocky/python-uncompyle6 into python-2.4 2017-08-10 09:45:11 -04:00
rocky
503039ab51 Link typo
Name is trepan2 now not trepan
2017-08-10 09:41:48 -04:00
rocky
8393064136 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 22:09:31 -04:00
rocky
c38dc61021 xdis "is not" is now "is-not" 2017-08-09 22:07:32 -04:00
rocky
45782bbb39 Get ready for release 2.11.3 2017-08-09 21:46:27 -04:00
rocky
4c9cd5657e Merge branch 'master' into python-2.4 2017-08-09 21:45:50 -04:00
rocky
dc627d13b8 Get ready for release 2.11.3 2017-08-09 21:33:01 -04:00
rocky
ddc3489991 Python 2.4 comptiability and ...
exception match -> exception-match
2017-08-03 03:48:57 -04:00
rocky
5b24c20331 Bump xdis 2017-08-02 08:37:50 -04:00
rocky
8bb01143d8 Remove six from python 2.4/2.5 2017-08-02 08:28:08 -04:00
rocky
bb9b3ac9cf Revert commit to wrong branch 2017-08-02 08:25:39 -04:00
rocky
05ac60ea74 Remove six from Python-2.4/2.5 package 2017-08-02 08:18:54 -04:00
rocky
a9635da96a in xdis "exception match" is now "exception-match" 2017-08-02 06:36:40 -04:00
rocky
e790cb75fd Python 2.4 doesn't do six 2017-08-02 06:20:07 -04:00
rocky
348afeebbf Python 2.4 compatibility 2017-08-01 22:32:43 -04:00
rocky
d138a01bf1 xdis's "exception match" is now "exception-match" 2017-07-17 22:42:57 -04:00
rocky
9e8e4f54c7 xdis 3.5.1 is botched? 2017-07-15 00:24:40 -04:00
rocky
a06a5e1cd8 Use newer xdis 2017-07-14 23:45:56 -04:00
R. Bernstein
1048f6a964 Fixes issue #124 2017-07-14 23:43:40 -04:00
rocky
7fed237077 History updates 2017-07-14 08:03:06 -04:00
rocky
8b816ead0d RsT doc formatting 2017-07-09 02:06:39 -04:00
rocky
300d387349 Get ready for release 2.11.2 2017-07-09 01:44:55 -04:00
rocky
27ab6fe2f5 Use xdis 3.5.0's opcode sets 2017-07-08 20:41:46 -04:00
rocky
2e164763eb Start supporting Pypy 3.5 (5.7.1-beta) 2017-07-08 17:47:32 -04:00
rocky
d332bde104 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
2017-07-05 06:12:14 -04:00
rocky
0893652943 Work around not having real flow-control analysis 2017-06-29 20:49:01 -04:00
rocky
6efd7afda3 continue non-detection in Python 2.7
fixes issue 122
2017-06-29 20:27:07 -04:00
rocky
ee3202779a A guard against badly formated bytecode 2017-06-28 18:39:05 -04:00
rocky
6888553773 Merge branch 'master' into python-2.4 2017-06-25 18:56:31 -04:00
rocky
9c072a6a42 3.x funciton and annotation bug fixes 2017-06-25 18:46:03 -04:00
rocky
277ad36566 Get ready for release 2.11.1 2017-06-25 13:50:46 -04:00
rocky
af3d46b35c Use xdis' instruction offset calculation fns..
next_offset, op_size, has_argument
2017-06-24 06:43:04 -04:00
rocky
e1bc0c5cd6 Python 2 sometimes need str->uncode in writing? 2017-06-19 08:02:59 -04:00
rocky
5a519ed36a Allow deparsed out to be str as well as unicode 2017-06-19 07:55:09 -04:00
39 changed files with 664 additions and 258 deletions

275
ChangeLog
View File

@@ -1,3 +1,278 @@
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

View File

@@ -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.

View File

@@ -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.

View File

@@ -36,6 +36,8 @@ 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-2.4 check-2.5 check-2.6:
$(MAKE) -C test $@

70
NEWS
View File

@@ -1,4 +1,38 @@
uncompyle6 2.11.1 2016-06-18 Fleetwood
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
@@ -8,17 +42,17 @@ uncompyle6 2.11.1 2016-06-18 Fleetwood
- 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 2016-06-3 Marylin Frankel
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 2016-05-30 Elaine Gordon
uncompyle6 2.10.0 2017-05-30 Elaine Gordon
- Add fuzzy offset deparse lookup
- 3.6 bugfixes
- 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
@@ -29,19 +63,19 @@ 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
@@ -108,7 +142,7 @@ 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)
@@ -118,12 +152,12 @@ 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"
@@ -155,7 +189,7 @@ 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
@@ -178,7 +212,7 @@ 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
@@ -229,7 +263,7 @@ 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.
@@ -256,9 +290,9 @@ 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
@@ -270,7 +304,7 @@ 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
@@ -328,7 +362,7 @@ 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)

View File

@@ -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?
---------
@@ -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/HISTORY.md>`_
.. |downloads| image:: https://img.shields.io/pypi/dd/uncompyle6.svg
.. _trepan: https://pypi.python.org/pypi/trepan
* `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
.. _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

View File

@@ -40,7 +40,7 @@ entry_points = {
]}
ftp_url = None
install_requires = ['spark-parser >= 1.6.1, < 1.7.0',
'xdis >= 3.3.1, < 3.4.0']
'xdis >= 3.5.5, < 3.6.0']
license = 'MIT'
mailing_list = 'python-debugger@googlegroups.com'
modname = 'uncompyle6'

11
pytest/test_basic.py Normal file
View File

@@ -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')

View File

@@ -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):

View File

@@ -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()

View File

@@ -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)

View File

@@ -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'

View File

@@ -1,11 +1,9 @@
# future
from __future__ import print_function
# std
import os
import difflib
import subprocess
import tempfile
import functools
from StringIO import StringIO
# uncompyle6 / xdis
from uncompyle6 import PYTHON_VERSION, IS_PYPY, deparse_code
@@ -13,11 +11,15 @@ from uncompyle6 import PYTHON_VERSION, IS_PYPY, deparse_code
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):
@@ -41,8 +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()
@@ -59,8 +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):
@@ -122,7 +126,10 @@ def validate_uncompyle(text, mode='exec'):
original_text = text
deparsed = deparse_code(PYTHON_VERSION, original_code,
compile_mode=mode, out=StringIO())
compile_mode=mode,
out=StringIO(),
is_pypy=IS_PYPY)
uncompyled_text = deparsed.text
uncompyled_code = compile(uncompyled_text, '<string>', 'exec')

Binary file not shown.

View File

@@ -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

View File

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

View File

@@ -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)

View File

@@ -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'),

View File

@@ -27,7 +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',

View File

@@ -9,10 +9,10 @@ Common uncompyle parser routines.
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
@@ -609,7 +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
@@ -762,6 +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

View File

@@ -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

View File

@@ -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()))

View File

@@ -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
@@ -14,6 +14,8 @@ 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,
@@ -86,7 +88,7 @@ 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
@@ -97,7 +99,7 @@ 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:
@@ -212,9 +214,6 @@ 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
@@ -222,26 +221,7 @@ 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:
if self.version >= 3.6:
return 2
else:
return 1
else:
if self.version >= 3.6:
return 2
else:
return 3
start += op_size(self.code[start], self.opc)
def remove_mid_line_ifs(self, ifs):
"""
@@ -273,13 +253,16 @@ 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))
@@ -306,5 +289,6 @@ 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, {})

View File

@@ -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

View File

@@ -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 = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
# 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

View File

@@ -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.

View File

@@ -29,8 +29,9 @@ else:
from array import array
from uncompyle6.scanner import op_has_argument, L65536
from uncompyle6.scanner import L65536
from xdis.code import iscode
from xdis.bytecode import op_has_argument, op_size
from uncompyle6.scanner import Scanner
@@ -194,7 +195,7 @@ class Scanner2(Scanner):
if op == self.opc.EXTENDED_ARG:
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
@@ -215,23 +216,23 @@ class Scanner2(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:
@@ -333,7 +334,7 @@ class Scanner2(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
@@ -386,7 +387,7 @@ class Scanner2(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]
@@ -457,7 +458,7 @@ class Scanner2(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
@@ -608,7 +609,7 @@ class Scanner2(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):
@@ -623,7 +624,7 @@ class Scanner2(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:
@@ -647,7 +648,7 @@ class Scanner2(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
@@ -848,7 +849,7 @@ class Scanner2(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)
@@ -910,7 +911,9 @@ class Scanner2(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.
@@ -997,11 +1000,11 @@ class Scanner2(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):

View File

@@ -183,7 +183,7 @@ class Scanner26(scan.Scanner2):
if op == self.opc.EXTENDED_ARG:
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
@@ -208,9 +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)
@@ -220,13 +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

View File

@@ -29,10 +29,11 @@ else:
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
@@ -474,7 +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):
@@ -524,7 +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:
@@ -570,7 +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]
@@ -638,11 +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
@@ -763,7 +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
@@ -926,7 +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
@@ -938,9 +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]
@@ -963,12 +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

View File

@@ -8,6 +8,8 @@ scanner routine for Python 3.
# bytecode verification, verify(), uses JUMP_OPs from here
from xdis.opcodes import opcode_30 as opc
from xdis.bytecode import op_size
JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
JUMP_TF = frozenset([opc.JUMP_IF_FALSE, opc.JUMP_IF_TRUE])
@@ -116,7 +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):
@@ -131,7 +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
@@ -291,7 +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
@@ -303,9 +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]

View File

@@ -1,6 +1,9 @@
# 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.

View File

@@ -1,6 +1,9 @@
# 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.

View File

@@ -1,6 +1,9 @@
# 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.
@@ -14,8 +17,8 @@ JUMP_OPs = map(lambda op: opc.opname[op], opc.hasjrel + opc.hasjabs)
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

View File

@@ -1,6 +1,9 @@
# 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.

View File

@@ -71,10 +71,10 @@ class Token:
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)

View File

@@ -176,7 +176,7 @@ TABLE_DIRECT = {
'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) ),
'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)),

View File

@@ -3,7 +3,7 @@
"""
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.semantics.parser_error import ParserError
@@ -40,17 +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,
@@ -158,6 +147,9 @@ 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 = ', '
@@ -180,6 +172,7 @@ def make_function3_annotate(self, node, isLambda, nested=1,
suffix = ''
for n in node:
if n == 'pos_arg':
no_paramnames = False
self.write(suffix)
param = paramnames[i]
self.write(param)
@@ -187,7 +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)
@@ -200,64 +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(' -> ')
@@ -404,7 +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(": ")

View File

@@ -309,6 +309,13 @@ class SourceWalker(GenericASTTraversal, object):
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)
@@ -547,6 +554,8 @@ 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):
@@ -569,33 +578,6 @@ class SourceWalker(GenericASTTraversal, object):
node == AST('return_stmt',
[AST('ret_expr', [NONE]), Token('RETURN_VALUE')]))
## The below doesn't work because continue may be the only thing inside an 'else'. For example
# for ...
# if ...
# else:
# continue
#
# 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"
# import pdb; pdb.set_trace()
# self.prune()
# self.default(node)
def n_return_stmt(self, node):
if self.params['isLambda']:
self.preorder(node[0])

View File

@@ -1,3 +1,3 @@
# This file is suitable for sourcing inside bash as
# well as importing into Python
VERSION='2.11.0'
VERSION='2.11.5'