Realign make_function3 with master

Reduced checking via "make check-short"

.travis.yml

@@ -3,13 +3,7 @@ language: python
 sudo: false
 
 python:
-  - '3.5'
-  - '2.7'
-  - '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 -e .

Makefile

@@ -40,6 +40,10 @@ check-3.0 check-3.1 check-3.2 check-3.6:
 check-3.7: pytest
 	$(MAKE) -C test check
 
+#:Tests for Python 2.4-2.5 (don't have pytest)
+check-2.4 check-2.5:
+	$(MAKE) -C test $@
+
 #:PyPy 2.6.1 PyPy 5.0.1, or PyPy 5.8.0-beta0
 # Skip for now
 2.6 5.0 5.3 5.6 5.8:

NEWS

@@ -1,3 +1,12 @@
+uncompyle6 3.2.3 2018-06-04 Michael Cohen flips and Fleetwood Redux
+
+- Python 1.3 support 3.0 bug and
+- fix botched parameter ordering of 3.x in last release
+
+uncompyle6 3.2.2 2018-06-04 When I'm 64
+
+- Python 3.0 support and bug fixes
+
 uncompyle6 3.2.1 2018-06-04 MF
 
 - Python 1.4 and 1.5 bug fixes

README.rst

@@ -1,4 +1,4 @@
-|buildstatus|
+|buildstatus| |Latest Version| |Supported Python Versions|
 
 uncompyle6
 ==========
@@ -11,8 +11,9 @@ Introduction
 ------------
 
 *uncompyle6* translates Python bytecode back into equivalent Python
-source code. It accepts bytecodes from Python version 1.5, and 2.1 to
-3.7 or so, including PyPy bytecode and Dropbox's Python 2.5 bytecode.
+source code. It accepts bytecodes from Python version 1.3 to version
+3.7, spanning over 22 years of Python releases. We include Dropbox's
+Python 2.5 bytecode and some PyPy bytecode.
 
 Why this?
 ---------
@@ -29,11 +30,11 @@ CPython bytecode decompilers is the ability to deparse just
 *fragments* of source code and give source-code information around a
 given bytecode offset.
 
-I use the tree fragments to deparse fragments of code inside my
-trepan_ debuggers_. For that, bytecode offsets are recorded and
-associated with fragments of the source code. This purpose, although
-compatible with the original intention, is yet a little bit different.
-See this_ for more information.
+I use the tree fragments to deparse fragments of code *at run time*
+inside my trepan_ debuggers_. For that, bytecode offsets are recorded
+and associated with fragments of the source code. This purpose,
+although compatible with the original intention, is yet a little bit
+different.  See this_ for more information.
 
 Python fragment deparsing given an instruction offset is useful in
 showing stack traces and can be encorporated into any program that
@@ -58,7 +59,7 @@ provides decompilation for subset of Python versions, we generally do
 demonstrably better for those as well.
 
 How can we tell? By taking Python bytecode that comes distributed with
-that version of Python and decompiling these.  Among htose that
+that version of Python and decompiling these.  Among those that
 successfully decompile, we can then make sure the resulting programs
 are syntactically correct by running the Python interpreter for that
 bytecode version.  Finally, in cases where the program has a test for
@@ -75,7 +76,7 @@ Requirements
 The code here can be run on Python versions 2.6 or later, PyPy 3-2.4,
 or PyPy-5.0.1.  Python versions 2.4-2.7 are supported in the
 python-2.4 branch.  The bytecode files it can read have been tested on
-Python bytecodes from versions 1.5, 2.1-2.7, and 3.0-3.6 and the
+Python bytecodes from versions 1.4, 2.1-2.7, and 3.0-3.6 and the
 above-mentioned PyPy versions.
 
 Installation
@@ -151,12 +152,12 @@ for that bytecode version. Having done this the bytecode produced
 could be compared with the original bytecode. However as Python's code
 generation got better, this is no longer feasible.
 
-There is a kind of *weak verification* that we use that doesn't check
-bytecode for equivalence but does check to see if the resulting
-decompiled source is a valid Python program by running the Python
-interpreter. Because the Python language has changed so much, for best
-results you should use the same Python version in checking as was used
-in creating the bytecode.
+There verification that we use that doesn't check bytecode for
+equivalence but does check to see if the resulting decompiled source
+is a valid Python program by running the Python interpreter. Because
+the Python language has changed so much, for best results you should
+use the same Python version in checking as was used in creating the
+bytecode.
 
 There are however an interesting class of these programs that is
 readily available give stronger verification: those programs that
@@ -174,19 +175,21 @@ that era was minimal)
 
 There is some work to do on the lower end Python versions which is
 more difficult for us to handle since we don't have a Python
-interpreter for versions 1.5, 1.6, and 2.0.
+interpreter for versions 1.6, and 2.0.
 
 In the Python 3 series, Python support is is strongest around 3.4 or
 3.3 and drops off as you move further away from those versions. Python
-3.6 changes things drastically by using word codes rather than byte
-codes. As a result, the jump offset field in a jump instruction
-argument has been reduced. This makes the `EXTENDED_ARG` instructions
-are now more prevalent in jump instruction; previously they had been
-rare.  Perhaps to compensate for the additional `EXTENDED_ARG`
-instructions, additional jump optimization has been added. So in sum
-handling control flow by ad hoc means as is currently done is worse.
+3.0 is weird in that it in some ways resembles 2.6 more than it does
+3.1 or 2.7. Python 3.6 changes things drastically by using word codes
+rather than byte codes. As a result, the jump offset field in a jump
+instruction argument has been reduced. This makes the `EXTENDED_ARG`
+instructions are now more prevalent in jump instruction; previously
+they had been rare.  Perhaps to compensate for the additional
+`EXTENDED_ARG` instructions, additional jump optimization has been
+added. So in sum handling control flow by ad hoc means as is currently
+done is worse.
 
-Also, between Python 3.5, 3.6 and 3.7 there have been major changes to the
+Between Python 3.5, 3.6 and 3.7 there have been major changes to the
 `MAKE_FUNCTION` and `CALL_FUNCTION` instructions.
 
 Currently not all Python magic numbers are supported. Specifically in
@@ -212,11 +215,12 @@ There is lots to do, so please dig in and help.
 See Also
 --------
 
-* https://github.com/zrax/pycdc : supports all versions of Python and is written in C++. Support for Python 3 is a bit lacking though.
-* 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. Includes some fixes like supporting function annotations
-* The HISTORY_ file.
+* https://github.com/zrax/pycdc : purports to support all versions of Python. It is written in C++ and is most accurate for Python versions around 2.7 and 3.3 when the code was more actively developed. Accuracy for more recent versions of Python 3 and early versions of Python are especially lacking. See its `issue tracker <https://github.com/zrax/pycdc/issues>`_ for details. Currently lightly maintained.
+* 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. Currently unmaintained.
+* https://github.com/figment/unpyc3/ : fork of above, but supports Python 3.3 only. Includes some fixes like supporting function annotations. Currently unmaintained.
+* https://github.com/wibiti/uncompyle2 : supports Python 2.7 only, but does that fairly well. There situtations where `uncompyle6` results are incorrect while `uncompyle2` results are not, but more often uncompyle6 is correct when uncompyle2 is not. Because `uncompyle6` adheres to accuracy over idiomatic Python, `uncompyle2` can produce more natural-looking code when it is correct. Currently `uncompyle2` is lightly maintained. See its issue `tracker <https://github.com/wibiti/uncompyle2/issues>`_ for more details
 * `How to report a bug <https://github.com/rocky/python-uncompyle6/blob/master/HOW-TO-REPORT-A-BUG.md>`_
+* The HISTORY_ file.
 * https://github.com/rocky/python-xdis : Cross Python version disassembler
 * https://github.com/rocky/python-xasm : Cross Python version assembler
 * https://github.com/rocky/python-uncompyle6/wiki : Wiki Documents which describe the code and aspects of it in more detail
@@ -234,3 +238,6 @@ See Also
 .. _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
 .. _Py2EXE: https://en.wikipedia.org/wiki/Py2exe
+.. |Supported Python Versions| image:: https://img.shields.io/pypi/pyversions/uncompyle6.svg
+.. |Latest Version| image:: https://badge.fury.io/py/uncompyle6.svg
+		 :target: https://badge.fury.io/py/uncompyle6

__pkginfo__.py

@@ -35,6 +35,7 @@ classifiers =  ['Development Status :: 5 - Production/Stable',
                 'Programming Language :: Python :: 2.5',
                 'Programming Language :: Python :: 2.6',
                 'Programming Language :: Python :: 2.7',
+                'Programming Language :: Python :: 3.0',
                 'Programming Language :: Python :: 3.1',
                 'Programming Language :: Python :: 3.2',
                 'Programming Language :: Python :: 3.3',
@@ -56,7 +57,7 @@ entry_points       = {
     ]}
 ftp_url            = None
 install_requires   = ['spark-parser >= 1.8.5, < 1.9.0',
-                      'xdis >= 3.8.2, < 3.9.0', 'six']
+                      'xdis >= 3.8.4, < 3.9.0']
 
 license            = 'GPL3'
 mailing_list       = 'python-debugger@googlegroups.com'

admin-tools/check-newer-versions.sh

@@ -16,6 +16,7 @@ if ! source ./setup-master.sh ; then
 fi
 cd ..
 for version in $PYVERSIONS; do
+    echo --- $version ---
     if ! pyenv local $version ; then
 	exit $?
     fi
@@ -23,4 +24,5 @@ for version in $PYVERSIONS; do
     if ! make check; then
 	exit $?
     fi
+    echo === $version ===
 done

admin-tools/check-older-versions.sh

@@ -15,6 +15,7 @@ fi
 
 cd ..
 for version in $PYVERSIONS; do
+    echo --- $version ---
     if ! pyenv local $version ; then
 	exit $?
     fi
@@ -22,4 +23,5 @@ for version in $PYVERSIONS; do
     if ! make check ; then
 	exit $?
     fi
+    echo === $version ===
 done

admin-tools/how-to-make-a-release.txt

@@ -0,0 +1,46 @@
+git pull
+
+Change version in uncompyle6/version.py
+source uncompyle6/version.py
+echo $VERSION
+git commit -m"Get ready for release $VERSION" .
+
+Update ChangeLog:
+  make ChangeLog
+
+Update NEWS from ChangeLog
+make check
+
+git commit --amend .
+
+git push
+
+Make sure pyenv is running
+# Pyenv
+
+source admin-tools/check-newer-versions.sh
+
+
+# Switch to python-2.4 and build that first...
+source admin-tools/setup-python-2.4
+
+rm ChangeLog
+git merge master
+
+Update NEWS from master branch
+
+git commit -m"Get ready for release $VERSION" .
+
+source admin-tools/check-older-versions.sh
+source admin-tools/check-newer-versions.sh
+
+make-dist-older.sh
+
+git tag release-python-2.4-$VERSION
+
+./make-dist-newer.sh
+
+git tag release-$VERSION
+
+
+twine upload dist/uncompyle6-${VERSION}*

admin-tools/update-sources.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+cd $(dirname ${BASH_SOURCE[0]})/..
+git pull

circle.yml

@@ -12,4 +12,4 @@ dependencies:
 test:
     override:
         - python ./setup.py develop && make check-2.7
-        - cd ./test/stdlib && pyenv local 2.7.10 && bash ./runtests.sh 'test_[p-z]*.py'
+        - cd ./test/stdlib && pyenv local 2.7.10 && bash ./runtests.sh 'test_[f-i]*.py'

pytest/test_deparse.py

@@ -30,7 +30,7 @@ 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(code, version=PYTHON_VERSION)
 
 def check_expect(expect, parsed, fn_name):

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

@@ -20,7 +20,7 @@ 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)
     if 2.7 <= PYTHON_VERSION <= 3.0 and not IS_PYPY:
         scan.build_instructions(code)

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

@@ -1,184 +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
-from uncompyle6 import PYTHON_VERSION
-
-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()")
-
-@pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                    reason="need at least Python 2.7")
-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):
-
-    @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                        reason="need at least Python 2.7")
-    @given(isolated_function_calls('positional'))
-    @example("fn(0)")
-    def test_function_positional_only(expr):
-        validate_uncompyle(expr)
-
-    @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                        reason="need at least Python 2.7")
-    @given(isolated_function_calls('keyword'))
-    @example("fn(a=0)")
-    def test_function_call_keyword_only(expr):
-        validate_uncompyle(expr)
-
-    @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                        reason="need at least Python 2.7")
-    @given(isolated_function_calls('star'))
-    @example("fn(*items)")
-    def test_function_call_star_only(expr):
-        validate_uncompyle(expr)
-
-    @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                        reason="need at least Python 2.7")
-    @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

@@ -8,12 +8,8 @@ from uncompyle6.semantics.consts import (
 
 if PYTHON3:
     from io import StringIO
-    def iteritems(d):
-        return d.items()
 else:
     from StringIO import StringIO
-    def iteritems(d):
-        return d.iteritems()
 
 from uncompyle6.semantics.pysource import SourceWalker as SourceWalker
 
@@ -30,7 +26,7 @@ def test_template_engine():
     # FIXME: and so on...
 
 from uncompyle6.semantics.consts import (
-    TABLE_DIRECT, TABLE_R,
+    TABLE_R, TABLE_DIRECT,
     )
 
 from uncompyle6.semantics.fragments import (
@@ -44,7 +40,7 @@ def test_tables():
             (TABLE_DIRECT, 'TABLE_DIRECT', False),
             (TABLE_R, 'TABLE_R', False),
             (TABLE_DIRECT_FRAGMENT, 'TABLE_DIRECT_FRAGMENT', True)):
-        for k, entry in iteritems(t):
+        for k, entry in t.iteritems():
             if k in skip_for_now:
                 continue
             fmt = entry[0]

pytest/test_single_compile.py

@@ -1,21 +1,19 @@
-import pytest
 from uncompyle6 import PYTHON_VERSION, deparse_code
 
-@pytest.mark.skip(PYTHON_VERSION < 2.7,
-                  reason="need at least Python 2.7")
-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 > 2.6:
+    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/testdata/if-2.7.right

@@ -9,4 +9,4 @@
           12  JUMP_FORWARD          0  'to 15'
         15_0  COME_FROM            12  '12'
           15  LOAD_CONST            0  None
-          18  RETURN_VALUE     
+          18  RETURN_VALUE

pytest/testdata/ifelse-2.7.right

@@ -12,4 +12,4 @@
           18  STORE_NAME            2  'd'
         21_0  COME_FROM            12  '12'
           21  LOAD_CONST            2  None
-          24  RETURN_VALUE     
+          24  RETURN_VALUE

pytest/validate.py

@@ -1,25 +1,24 @@
-# 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)
-
-
-def _dis_to_text(co):
-    return Bytecode(co).dis()
 
+try:
+    import functools
+    Bytecode = functools.partial(Bytecode, opc=opc)
+    def _dis_to_text(co):
+        return Bytecode(co).dis()
+except:
+    pass
 
 def print_diff(original, uncompyled):
     """
@@ -42,8 +41,11 @@ 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 +62,7 @@ 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):
@@ -123,8 +124,9 @@ def validate_uncompyle(text, mode='exec'):
     original_text = text
 
     deparsed = deparse_code(PYTHON_VERSION, original_code,
+
                             compile_mode=mode,
-                            out=six.StringIO(),
+                            out=StringIO(),
                             is_pypy=IS_PYPY)
     uncompyled_text = deparsed.text
     uncompyled_code = compile(uncompyled_text, '<string>', 'exec')

requirements.txt

@@ -1,2 +1,4 @@
 # Pick up stuff from setup.py
+hypothesis==2.0.0
+pytest
 -e .

setup.py

@@ -1,16 +1,16 @@
 #!/usr/bin/env python
-import sys
-
 """Setup script for the 'uncompyle6' distribution."""
 
+import sys
+
 SYS_VERSION = sys.version_info[0:2]
-if not ((2, 6) <= SYS_VERSION  <= (3, 7)) or ((3, 0) <= SYS_VERSION <= (3, 0)):
-    mess = "Python Release 2.6 .. 3.7 excluding 3.0 are supported in this code branch."
-    if ((2, 4) <= SYS_VERSION <= (2, 7)):
-        mess += ("\nFor your Python, version %s, use the python-2.4 code/branch." %
+if not ((2, 4) <= SYS_VERSION  <= (2, 7)):
+    mess = "Python Release 2.4 .. 2.7 are supported in this code branch."
+    if ((3, 2) <= SYS_VERSION  <= (3, 7)):
+        mess += ("\nFor your Python, version %s, use the master code/branch." %
                  sys.version[0:3])
-    elif SYS_VERSION < (2, 4) or (3, 0) <= SYS_VERSION:
-        mess += ("\nThis package is not supported for Python version %s."
+    else:
+        mess += ("\nThis package is not supported before Python 2.4. Your Python version is %s."
                  % sys.version[0:3])
     print(mess)
     raise Exception(mess)

test-unit/test_grammar.py

@@ -0,0 +1,55 @@
+import re
+import unittest
+from uncompyle6 import PYTHON_VERSION, IS_PYPY # , PYTHON_VERSION
+from uncompyle6.parser import get_python_parser, python_parser
+
+class TestGrammar(unittest.TestCase):
+    def test_grammar(self):
+
+        def check_tokens(tokens, opcode_set):
+            remain_tokens = set(tokens) - opcode_set
+            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
+            self.assertEqual(remain_tokens, set([]),
+                    "Remaining tokens %s\n====\n%s" % (remain_tokens, p.dump_grammar()))
+
+        p = get_python_parser(PYTHON_VERSION, is_pypy=IS_PYPY)
+        (lhs, rhs, tokens,
+         right_recursive, dup_rhs) = p.check_sets()
+        expect_lhs = set(['expr1024', 'pos_arg'])
+        unused_rhs = set(['list', 'call', 'mkfunc',
+                          'mklambda',
+                          'unpack',])
+
+        expect_right_recursive = frozenset([('designList',
+                                             ('store', 'DUP_TOP', 'designList'))])
+        expect_lhs.add('kwarg')
+
+        self.assertEqual(expect_lhs, set(lhs))
+        self.assertEqual(unused_rhs, set(rhs))
+        self.assertEqual(expect_right_recursive, right_recursive)
+
+        expect_dup_rhs = frozenset([('COME_FROM',), ('CONTINUE',), ('JUMP_ABSOLUTE',),
+                                    ('LOAD_CONST',),
+                                    ('JUMP_BACK',), ('JUMP_FORWARD',)])
+
+        reduced_dup_rhs = {}
+        for k in dup_rhs:
+            if k not in expect_dup_rhs:
+                reduced_dup_rhs[k] = dup_rhs[k]
+                pass
+            pass
+        for k in reduced_dup_rhs:
+            print(k, reduced_dup_rhs[k])
+        # assert not reduced_dup_rhs, reduced_dup_rhs
+
+    def test_dup_rule(self):
+        import inspect
+        python_parser(PYTHON_VERSION, inspect.currentframe().f_code,
+                      is_pypy=IS_PYPY,
+                      parser_debug={
+                          'dups': True, 'transition': False, 'reduce': False,
+                          'rules': False, 'errorstack': None, 'context': True})
+if __name__ == '__main__':
+    unittest.main()

test/Makefile

@@ -22,14 +22,14 @@ COVER_DIR=../tmp/grammar-cover
 # Run short tests
 check-short:
 	@$(PYTHON) -V && PYTHON_VERSION=`$(PYTHON) -V 2>&1 | cut -d ' ' -f 2 | cut -d'.' -f1,2`; \
-	$(MAKE) check-bytecode
+	$(MAKE) check-bytecode-short
 
 # Run all tests
 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
@@ -91,16 +91,31 @@ check-bytecode-3:
        --bytecode-3.1 --bytecode-3.2 --bytecode-3.3 \
        --bytecode-3.4 --bytecode-3.5 --bytecode-3.6 --bytecode-pypy3.2
 
-#: Check deparsing bytecode that works running Python 2 and Python 3
+#: Check deparsing on selected bytecode 3.x
+check-bytecode-3-short:
+	$(PYTHON) test_pythonlib.py \
+       --bytecode-3.4 --bytecode-3.5 --bytecode-3.6
+
+#: Check deparsing bytecode on all Python 2 and Python 3 versions
 check-bytecode: check-bytecode-3
 	$(PYTHON) test_pythonlib.py \
-	--bytecode-1.4 --bytecode-1.5 \
+	--bytecode-1.3 --bytecode-1.4 --bytecode-1.5 \
         --bytecode-2.2 --bytecode-2.3 --bytecode-2.4 \
 	--bytecode-2.1 --bytecode-2.2 --bytecode-2.3 --bytecode-2.4 \
         --bytecode-2.5 --bytecode-2.6 --bytecode-2.7 \
         --bytecode-pypy2.7
 
 
+#: Check deparsing bytecode on selected Python 2 and Python 3 versions
+check-bytecode-short: check-bytecode-3-short
+	$(PYTHON) test_pythonlib.py \
+        --bytecode-2.6 --bytecode-2.7 --bytecode-pypy2.7
+
+
+#: Check deparsing bytecode 1.3 only
+check-bytecode-1.3:
+	$(PYTHON) test_pythonlib.py --bytecode-1.3
+
 #: Check deparsing bytecode 1.4 only
 check-bytecode-1.4:
 	$(PYTHON) test_pythonlib.py --bytecode-1.4
@@ -210,6 +225,11 @@ check-bytecode-2.7:
 check-bytecode-3.0:
 	$(PYTHON) test_pythonlib.py --bytecode-3.0 --weak-verify
 
+#: Check deparsing Python 3.0
+check-bytecode-3.0:
+	$(PYTHON) test_pythonlib.py --bytecode-3.0 --weak-verify
+        # $(PYTHON) test_pythonlib.py --bytecode-3.0-run --verify-run
+
 #: Check deparsing Python 3.1
 check-bytecode-3.1:
 	$(PYTHON) test_pythonlib.py --bytecode-3.1 --weak-verify
@@ -249,6 +269,10 @@ check-native-short:
 	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION) --weak-verify $(COMPILE)
 	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION)-run --verify-run $(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:
 	$(PYTHON) test_pythonlib.py --ok-2.6 --weak-verify $(COMPILE)

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/bug25/02_yield_bug.py

@@ -0,0 +1,7 @@
+# From 2.4 test_array.py
+# In Python 2.4 and earlier "yield" is not valid and instead
+# we must use "yield None". Bug was not adding "None"
+
+def yield_bug():
+    yield None
+    return

test/simple_source/bug25/04_try_else_confuse.py

@@ -0,0 +1,19 @@
+# From 2.4 test_sax.py
+# Bug was distinguishing try from try/else
+
+def verify_empty_attrs():
+    gvqk = 3
+    try:
+        gvk = 1/0
+    except ZeroDivisionError:
+        gvk = 1
+
+    try:
+        gvqk = 0
+    except KeyError:
+        gvqk = 1
+
+    # If try/else was used above the return will be 4
+    return gvk + gvqk
+
+assert 1 == verify_empty_attrs()

test/simple_source/bug30/03_pop_top.py

@@ -0,0 +1,20 @@
+# From 3.0.1 __dummy_thread.py
+# bug was handling else:
+def interrupt_main():
+    """Set _interrupt flag to True to have start_new_thread raise
+    KeyboardInterrupt upon exiting."""
+    if _main:
+        raise KeyboardInterrupt
+    else:
+        global _interrupt
+        _interrupt = True
+
+# From 3.0.1 ast.py bug was mangling prototype
+# def parse(expr, filename='<unknown>', mode='exec'):
+
+# From 3.0.1 bisect
+def bisect_left(a, x, lo=0, hi=None):
+    while lo:
+        if a[mid] < x: lo = mid+1
+        else: hi = mid
+    return lo

test/stdlib/runtests.sh

@@ -42,10 +42,10 @@ case $PYVERSION in
     2.5)
 	SKIP_TESTS=(
 	    [test_contextlib.py]=1 # Syntax error - look at
-	    [test_dis.py]=1   # We change line numbers - duh!
-	    [test_grammar.py]=1  # Too many stmts. Handle large stmts
-	    [test_grp.py]=1      # Long test - might work Control flow?
-	    [test_pdb.py]=1      # Line-number specific
+	    [test_dis.py]=1        # We change line numbers - duh!
+	    [test_grammar.py]=1    # Too many stmts. Handle large stmts
+	    [test_grp.py]=1        # Long test - might work Control flow?
+	    [test_pdb.py]=1        # Line-number specific
 	    [test_pwd.py]=1 # Long test - might work? Control flow?
 	    [test_queue.py]=1 # Control flow?
 	    [test_re.py]=1 # Probably Control flow?
@@ -105,6 +105,7 @@ case $PYVERSION in
 	    [test_curses.py]=1  # Possibly fails on its own but not detected
 	    [test_dis.py]=1   # We change line numbers - duh!
 	    [test_doctest.py]=1 # Fails on its own
+	    [test_format.py]=1  # control flow. uncompyle2 does not have problems here
 	    [test_generators.py]=1  # control flow. uncompyle2 has problem here too
 	    [test_grammar.py]=1     # Too many stmts. Handle large stmts
 	    [test_io.py]=1 # Test takes too long to run

test/test_pyenvlib.py

@@ -20,8 +20,7 @@ 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, re, shutil, sys
 from fnmatch import fnmatch
 

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
@@ -78,7 +76,7 @@ for  vers in (2.7, 3.4, 3.5, 3.6):
     test_options[key] = (os.path.join(src_dir, pythonlib), PYOC, key, vers)
     pass
 
-for  vers in (1.4, 1.5,
+for  vers in (1.3, 1.4, 1.5,
               2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7,
               3.0, 3.1, 3.2, 3.3,
               3.4, 3.5, 3.6, 3.7, 'pypy3.2', 'pypy2.7'):
@@ -130,8 +128,10 @@ 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)
@@ -149,8 +149,8 @@ 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)
@@ -164,9 +164,9 @@ 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, [],
@@ -242,14 +242,13 @@ 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, 2018 by Rocky Bernstein <rb@dustyfeet.com>
 #
-from __future__ import print_function
 import sys, os, getopt
 
 from uncompyle6.disas import disassemble_file
@@ -13,8 +12,8 @@ program, ext = os.path.splitext(os.path.basename(__file__))
 
 __doc__ = """
 Usage:
-  {0} [OPTIONS]... FILE
-  {0} [--help | -h | -V | --version]
+  %s [OPTIONS]... FILE
+  %s [--help | -h | -V | --version]
 
 Disassemble FILE with the instruction mangling that is done to
 assist uncompyle6 in parsing the instruction stream. For example
@@ -23,9 +22,9 @@ BUILD_LIST have arguement counts appended to the instruction name, and
 COME_FROM instructions are inserted into the instruction stream.
 
 Examples:
-  {0} foo.pyc
-  {0} foo.py    # same thing as above but find the file
-  {0} foo.pyc bar.pyc  # disassemble foo.pyc and bar.pyc
+  %s foo.pyc
+  %s foo.py    # same thing as above but find the file
+  %s foo.pyc bar.pyc  # disassemble foo.pyc and bar.pyc
 
 See also `pydisasm' from the `xdis' package.
 
@@ -33,7 +32,7 @@ Options:
   -V | --version     show version and stop
   -h | --help        show this message
 
-""".format(program)
+""" % ((program,) * 5)
 
 PATTERNS = ('*.pyc', '*.pyo')
 
@@ -42,15 +41,15 @@ def main():
 Type -h for for full help.""" % program
 
     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:
@@ -62,15 +61,14 @@ Type -h for for full help.""" % program
             sys.exit(0)
         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)
         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) 2015-2017 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 = 'uncompyle6'
@@ -69,13 +68,9 @@ def usage():
 
 
 def main_bin():
-    if not (sys.version_info[0:2] in ((2, 6), (2, 7),
-                                      (3, 1), (3, 2), (3, 3),
-                                      (3, 4), (3, 5), (3, 6),
-                                      (3, 7)
-        )):
-        print('Error: %s requires Python 2.6-2.7, or 3.1-3.7' % program,
-              file=sys.stderr)
+    if not (sys.version_info[0:2] in ((2, 4), (2, 5), (2, 6), (2, 7))):
+        sys.stderr.write('Error: this branch of %s requires Python 2.4, 2.5, 2.6 or 2.7'
+                         % program)
         sys.exit(-1)
 
     do_verify = recurse_dirs = False
@@ -93,8 +88,8 @@ def main_bin():
                                     'fragments verify verify-run version '
                                     'weak-verify '
                                     '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 = {}
@@ -137,7 +132,7 @@ 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
@@ -162,7 +157,7 @@ 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

@@ -29,8 +29,6 @@ Second, we need structured instruction information for the
 want to run on earlier Python versions.
 """
 
-from __future__ import print_function
-
 import sys
 from collections import deque
 
@@ -49,10 +47,9 @@ 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)
 
@@ -64,19 +61,31 @@ 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
 
+def disassemble_fp(fp, outstream=None):
+    """
+    disassemble Python byte-code from an open file
+    """
+    (version, timestamp, magic_int, co, is_pypy,
+     source_size) = load_from_fp(fp)
+    if type(co) == list:
+        for con in co:
+            disco(version, con, outstream)
+    else:
+        disco(version, co, outstream, is_pypy=is_pypy)
+    co = None
+
 def disassemble_file(filename, outstream=None):
     """
     disassemble Python byte-code file (.pyc)

uncompyle6/linenumbers.py

@@ -25,7 +25,7 @@ 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

@@ -12,10 +12,10 @@
 #
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
-from __future__ import print_function
-import datetime, os, subprocess, sys, tempfile
 
-from uncompyle6 import verify, IS_PYPY, PYTHON_VERSION
+import datetime, os, subprocess, sys
+
+from uncompyle6 import verify, IS_PYPY
 from xdis.code import iscode
 from uncompyle6.disas import check_object_path
 from uncompyle6.semantics import pysource
@@ -38,11 +38,7 @@ def _get_outstream(outfile):
         os.makedirs(dir)
     except OSError:
         pass
-    if PYTHON_VERSION < 3.0:
-        mode = 'wb'
-    else:
-        mode = 'w'
-    return open(outfile, mode)
+    return open(outfile, 'wb')
 
 def decompile(
         bytecode_version, co, out=None, showasm=None, showast=False,
@@ -63,20 +59,35 @@ def decompile(
 
     assert iscode(co)
 
-    co_pypy_str = 'PyPy ' if is_pypy else ''
-    run_pypy_str = 'PyPy ' if IS_PYPY else ''
+    if is_pypy:
+        co_pypy_str = 'PyPy '
+    else:
+        co_pypy_str = ''
+
+    if IS_PYPY:
+        run_pypy_str = 'PyPy '
+    else:
+        run_pypy_str = ''
+
+    if magic_int:
+        m = str(magic_int)
+    else:
+        m = ""
+
     sys_version_lines = sys.version.split('\n')
     write('# uncompyle6 version %s\n'
           '# %sPython bytecode %s%s\n# Decompiled from: %sPython %s' %
           (VERSION, co_pypy_str, bytecode_version,
-               " (%s)" % str(magic_int) if magic_int else "",
-          run_pypy_str, '\n# '.join(sys_version_lines)))
+               " (%s)" % m, run_pypy_str,
+           '\n# '.join(sys_version_lines)))
     if co.co_filename:
         write('# Embedded file name: %s' % co.co_filename,)
     if timestamp:
-        write('# Compiled at: %s' % datetime.datetime.fromtimestamp(timestamp))
+        write('# Compiled at: %s' %
+              datetime.datetime.fromtimestamp(timestamp))
     if source_size:
-        write('# Size of source mod 2**32: %d bytes' % source_size)
+        real_out.write('# Size of source mod 2**32: %d bytes\n' %
+                       source_size)
 
     debug_opts = {
         'asm': showasm,
@@ -109,7 +120,7 @@ def decompile(
                                   is_pypy=is_pypy)
             pass
         return deparsed
-    except pysource.SourceWalkerError as e:
+    except pysource.SourceWalkerError, e:
         # deparsing failed
         raise pysource.SourceWalkerError(str(e))
 
@@ -189,17 +200,10 @@ def main(in_base, out_base, files, codes, outfile=None,
                     prefix = prefix[:-len('.py')]
 
                 # Unbuffer output if possible
-                buffering = -1 if sys.stdout.isatty() else 0
-                if PYTHON_VERSION >= 3.5:
-                    t = tempfile.NamedTemporaryFile(mode='w+b',
-                                                    buffering=buffering,
-                                                    suffix='.py',
-                                                    prefix=prefix)
+                if sys.stdout.isatty():
+                    buffering = -1
                 else:
-                    t = tempfile.NamedTemporaryFile(mode='w+b',
-                                                    suffix='.py',
-                                                    prefix=prefix)
-                current_outfile = t.name
+                    buffering = 0
                 sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', buffering)
                 tee = subprocess.Popen(["tee", current_outfile],
                                        stdin=subprocess.PIPE)
@@ -238,9 +242,9 @@ def main(in_base, out_base, files, codes, outfile=None,
                     pass
                 pass
             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
             tot_files += 1
         except KeyboardInterrupt:
@@ -278,13 +282,16 @@ def main(in_base, out_base, files, codes, outfile=None,
                         else:
                             okay_files += 1
                             pass
-                    except verify.VerifyCmpError as e:
+                    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.stderr.write("### Error Verifiying %s" %
+                                            filename)
+                            sys.stderr.write(e)
                             if raise_on_error:
                                 raise
                             pass
@@ -294,14 +301,15 @@ def main(in_base, out_base, files, codes, outfile=None,
                     okay_files += 1
                 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
                 if not current_outfile:
                     mess = '\n# okay decompiling'
                     # mem_usage = __memUsage()
-                    print(mess, infile)
+                    print mess, infile
         if current_outfile:
             sys.stdout.write("%s\r" %
                              status_msg(do_verify, tot_files, okay_files, failed_files,

uncompyle6/parser.py

@@ -19,8 +19,6 @@
 Common uncompyle6 parser routines.
 """
 
-from __future__ import print_function
-
 import sys
 
 from xdis.code import iscode
@@ -181,7 +179,7 @@ class PythonParser(GenericASTBuilder):
                     indent = '   '
                 else:
                     indent = '-> '
-                print("%s%s" % (indent, instructions[i]))
+                print "%s%s" % (indent, instructions[i])
             raise ParserError(err_token, err_token.offset)
         else:
             raise ParserError(None, -1)
@@ -621,7 +619,13 @@ def get_python_parser(
 
     if version < 3.0:
         if version < 2.2:
-            if version == 1.4:
+            if version == 1.3:
+                import uncompyle6.parsers.parse13 as parse13
+                if compile_mode == 'exec':
+                    p = parse13.Python14Parser(debug_parser)
+                else:
+                    p = parse13.Python14ParserSingle(debug_parser)
+            elif version == 1.4:
                 import uncompyle6.parsers.parse14 as parse14
                 if compile_mode == 'exec':
                     p = parse14.Python14Parser(debug_parser)
@@ -788,4 +792,4 @@ if __name__ == '__main__':
         ast = python_parser(PYTHON_VERSION, co, showasm=True, is_pypy=IS_PYPY)
         print(ast)
         return
-    parse_test(parse_test.__code__)
+    # parse_test(parse_test.__code__)

uncompyle6/parsers/parse13.py

@@ -0,0 +1,49 @@
+#  Copyright (c) 2018 Rocky Bernstein
+
+from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
+from uncompyle6.parser import PythonParserSingle
+from uncompyle6.parsers.parse14 import Python14Parser
+
+class Python13Parser(Python14Parser):
+
+    def p_misc13(self, args):
+        """
+        # Nothing here yet, but will need to add LOAD_GLOBALS
+        """
+
+    def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
+        super(Python13Parser, self).__init__(debug_parser)
+        self.customized = {}
+
+    # def customize_grammar_rules(self, tokens, customize):
+    #     super(Python13Parser, self).customize_grammar_rules(tokens, customize)
+    #     self.remove_rules("""
+    #     whileelsestmt ::= SETUP_LOOP testexpr l_stmts_opt
+    #                       jb_pop
+    #                       POP_BLOCK else_suitel COME_FROM
+    #     """)
+    #     self.check_reduce['doc_junk'] = 'tokens'
+
+
+    # def reduce_is_invalid(self, rule, ast, tokens, first, last):
+    #     invalid = super(Python14Parser,
+    #                     self).reduce_is_invalid(rule, ast,
+    #                                             tokens, first, last)
+    #     if invalid or tokens is None:
+    #         return invalid
+    #     if rule[0] == 'doc_junk':
+    #         return not isinstance(tokens[first].pattr, str)
+
+
+
+class Python13ParserSingle(Python13Parser, PythonParserSingle):
+    pass
+
+if __name__ == '__main__':
+    # Check grammar
+    p = Python13Parser()
+    p.check_grammar()
+    p.dump_grammar()
+
+# local variables:
+# tab-width: 4

uncompyle6/parsers/parse14.py

@@ -8,12 +8,11 @@ class Python14Parser(Python15Parser):
 
     def p_misc14(self, args):
         """
-        # Nothing here yet, but will need to add UNARY_CALL, BINARY_CALL,
+        # Not much here yet, but will probably need to add UNARY_CALL, BINARY_CALL,
         # RAISE_EXCEPTION, BUILD_FUNCTION, UNPACK_ARG, UNPACK_VARARG, LOAD_LOCAL,
         # SET_FUNC_ARGS, and RESERVE_FAST
 
-        # FIXME: should check that this indeed around __doc__
-        # Possibly not strictly needed
+        # Not strictly needed, but tidies up output
         stmt     ::= doc_junk
         doc_junk ::= LOAD_CONST POP_TOP
 

uncompyle6/parsers/parse2.py

@@ -25,8 +25,6 @@ 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/parse24.py

@@ -82,15 +82,6 @@ class Python24Parser(Python25Parser):
             l = len(tokens)
             if 0 <= l < len(tokens):
                 return not int(tokens[first].pattr) == tokens[last].offset
-        elif lhs == 'try_except':
-            if last == len(tokens):
-                last -= 1
-            if tokens[last] != 'COME_FROM' and tokens[last-1] == 'COME_FROM':
-                last -= 1
-            return (tokens[last] == 'COME_FROM'
-                    and tokens[last-1] == 'END_FINALLY'
-                    and tokens[last-2] == 'POP_TOP'
-                    and tokens[last-3].kind != 'JUMP_FORWARD')
 
         return False
 

uncompyle6/parsers/parse25.py

@@ -19,6 +19,9 @@ class Python25Parser(Python26Parser):
 
         return_if_stmt ::= ret_expr  RETURN_END_IF JUMP_BACK
 
+        # We have no jumps to jumps, so no "come_froms" but a single "COME_FROM"
+        ifelsestmt ::= testexpr c_stmts_opt jf_cf_pop else_suite COME_FROM
+
         # Python 2.6 uses ROT_TWO instead of the STORE_xxx
         # withas is allowed as a "from future" in 2.5
         # 2.6 and 2.7 do something slightly different
@@ -36,6 +39,8 @@ class Python25Parser(Python26Parser):
         # loop. FIXME: should "come_froms" below be a single COME_FROM?
         tryelsestmt    ::= SETUP_EXCEPT suite_stmts_opt POP_BLOCK
                            except_handler else_suite come_froms
+        tryelsestmtl   ::= SETUP_EXCEPT suite_stmts_opt POP_BLOCK
+                            except_handler else_suitel
 
         # Python 2.6 omits the LOAD_FAST DELETE_FAST below
         # withas is allowed as a "from future" in 2.5
@@ -54,6 +59,9 @@ class Python25Parser(Python26Parser):
     def customize_grammar_rules(self, tokens, customize):
         # Remove grammar rules inherited from Python 2.6 or Python 2
         self.remove_rules("""
+        # No jump to jumps in 2.4 so we have a single "COME_FROM", not "come_froms"
+        ifelsestmt    ::= testexpr c_stmts_opt jf_cf_pop else_suite come_froms
+
         setupwith  ::= DUP_TOP LOAD_ATTR ROT_TWO LOAD_ATTR CALL_FUNCTION_0 POP_TOP
         withstmt   ::= expr setupwith SETUP_FINALLY suite_stmts_opt
                        POP_BLOCK LOAD_CONST COME_FROM WITH_CLEANUP END_FINALLY

uncompyle6/parsers/parse27.py

@@ -52,6 +52,8 @@ class Python27Parser(Python2Parser):
     def p_try27(self, args):
         """
         # If the last except is a "raise" we might not have a final COME_FROM
+        # FIXME: need a check on this rule since this accepts try_except when
+        # we shouldn't
         try_except      ::= SETUP_EXCEPT suite_stmts_opt POP_BLOCK
                             except_handler
 
@@ -267,4 +269,5 @@ if __name__ == '__main__':
                              for t in remain_tokens])
         remain_tokens = set(remain_tokens) - opcode_set
         print(remain_tokens)
-        # p.dump_grammar()
+        p.check_grammar()
+        p.dump_grammar()

uncompyle6/parsers/parse3.py

@@ -30,6 +30,7 @@ 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
+from itertools import islice,chain,repeat
 
 class Python3Parser(PythonParser):
 
@@ -1179,7 +1180,7 @@ class Python3Parser(PythonParser):
 
             if tokens[cfl-1] != 'JUMP_BACK':
                 cfl_offset = tokens[cfl-1].offset
-                insn = next(i for i in self.insts if cfl_offset == i.offset)
+                insn = chain((i for i in self.insts if cfl_offset == i.offset), repeat(None)).next()
                 if insn and  insn.is_jump_target:
                     return True
 

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
@@ -12,6 +11,12 @@ class Python30Parser(Python31Parser):
     def p_30(self, args):
         """
 
+        assert            ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1 POP_TOP
+        return_if_lambda  ::= RETURN_END_IF_LAMBDA POP_TOP
+        compare_chained1  ::= expr DUP_TOP ROT_THREE COMPARE_OP
+                              JUMP_IF_FALSE POP_TOP compare_chained2
+        compare_chained2  ::= expr COMPARE_OP RETURN_END_IF_LAMBDA
+
         # FIXME: combine with parse3.2
         whileTruestmt     ::= SETUP_LOOP l_stmts_opt JUMP_BACK
                               COME_FROM_LOOP
@@ -20,10 +25,10 @@ class Python30Parser(Python31Parser):
 
         # In many ways Python 3.0 code generation is more like Python 2.6 than
         # it is 2.7 or 3.1. So we have a number of 2.6ish (and before) rules below
+        # Specifically POP_TOP is more prevelant since there is no POP_JUMP_IF_...
+        # instructions
 
         _ifstmts_jump  ::= c_stmts_opt JUMP_FORWARD _come_froms POP_TOP COME_FROM
-        jmp_true       ::= JUMP_IF_TRUE POP_TOP
-        jmp_false      ::= JUMP_IF_FALSE POP_TOP
 
         # Used to keep index order the same in semantic actions
         jb_pop_top     ::= JUMP_BACK POP_TOP
@@ -33,16 +38,67 @@ class Python30Parser(Python31Parser):
         else_suitel ::= l_stmts COME_FROM_LOOP JUMP_BACK
 
         ifelsestmtl ::= testexpr c_stmts_opt jb_pop_top else_suitel
+        iflaststmtl ::= testexpr c_stmts_opt jb_pop_top
+        iflaststmt  ::= testexpr c_stmts_opt JUMP_ABSOLUTE POP_TOP
 
         withasstmt    ::= expr setupwithas store suite_stmts_opt
                           POP_BLOCK LOAD_CONST COME_FROM_FINALLY
                           LOAD_FAST DELETE_FAST WITH_CLEANUP END_FINALLY
         setupwithas   ::= DUP_TOP LOAD_ATTR STORE_FAST LOAD_ATTR CALL_FUNCTION_0 setup_finally
         setup_finally ::= STORE_FAST SETUP_FINALLY LOAD_FAST DELETE_FAST
+
+        # Need to keep LOAD_FAST as index 1
+        set_comp_func_header ::=  BUILD_SET_0 DUP_TOP STORE_FAST
+        set_comp_func ::= set_comp_func_header
+                          LOAD_FAST FOR_ITER store comp_iter
+                          JUMP_BACK POP_TOP JUMP_BACK RETURN_VALUE RETURN_LAST
+
+        list_comp_header ::=  BUILD_LIST_0 DUP_TOP STORE_FAST
+        list_comp      ::= list_comp_header
+                           LOAD_FAST FOR_ITER store comp_iter
+                           JUMP_BACK
+
+
+        comp_if       ::= expr jmp_false comp_iter
+        comp_iter     ::= expr expr SET_ADD
+        comp_iter     ::= expr expr LIST_APPEND
+
+        jump_forward_else ::= JUMP_FORWARD POP_TOP
+        jump_absolute_else ::= JUMP_ABSOLUTE POP_TOP
+
+        # In many ways 3.0 is like 2.6. The below rules in fact are the same or similar.
+
+        jmp_true       ::= JUMP_IF_TRUE POP_TOP
+        jmp_false      ::= JUMP_IF_FALSE POP_TOP
+        for_block      ::= l_stmts_opt _come_froms POP_TOP JUMP_BACK
+        except_handler ::= JUMP_FORWARD COME_FROM_EXCEPT except_stmts
+                           POP_TOP END_FINALLY come_froms
+        except_handler ::= jmp_abs COME_FROM_EXCEPT except_stmts
+                           POP_TOP END_FINALLY
+        return_if_stmt ::= ret_expr RETURN_END_IF POP_TOP
+        and            ::= expr JUMP_IF_FALSE POP_TOP expr COME_FROM
+        whilestmt      ::= SETUP_LOOP testexpr l_stmts_opt
+                           JUMP_BACK POP_TOP POP_BLOCK COME_FROM_LOOP
         """
 
     def customize_grammar_rules(self, tokens, customize):
         super(Python30Parser, self).customize_grammar_rules(tokens, customize)
+        self.remove_rules("""
+        iflaststmtl        ::= testexpr c_stmts_opt JUMP_BACK COME_FROM_LOOP
+        ifelsestmtl        ::= testexpr c_stmts_opt JUMP_BACK else_suitel
+        iflaststmt         ::= testexpr c_stmts_opt JUMP_ABSOLUTE
+        _ifstmts_jump      ::= c_stmts_opt JUMP_FORWARD _come_froms
+        jump_forward_else  ::= JUMP_FORWARD ELSE
+        jump_absolute_else ::= JUMP_ABSOLUTE ELSE
+        whilestmt          ::= SETUP_LOOP testexpr l_stmts_opt COME_FROM JUMP_BACK POP_BLOCK
+                               COME_FROM_LOOP
+        assert             ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1
+        return_if_lambda   ::= RETURN_END_IF_LAMBDA
+        compare_chained1   ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP compare_chained2 COME_FROM
+        except_handler     ::= jmp_abs COME_FROM_EXCEPT except_stmts END_FINALLY
+
+        """)
+
         return
     pass
 

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, nop_func
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG

uncompyle6/parsers/parse36.py

@@ -15,7 +15,6 @@
 """
 spark grammar differences over Python 3.5 for Python 3.6.
 """
-from __future__ import print_function
 
 from uncompyle6.parser import PythonParserSingle, nop_func
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
@@ -254,7 +253,7 @@ class Python36Parser(Python35Parser):
         if opname.startswith('CALL_FUNCTION_KW'):
             self.addRule("expr ::= call_kw36", nop_func)
             values = 'expr ' * token.attr
-            rule = "call_kw36 ::= expr {values} LOAD_CONST {opname}".format(**locals())
+            rule = "call_kw36 ::= expr %s LOAD_CONST %s" % (values, opname)
             self.add_unique_rule(rule, token.kind, token.attr, customize)
         elif opname == 'CALL_FUNCTION_EX_KW':
             # Note: this doesn't exist in 3.7 and later

uncompyle6/parsers/parse37.py

@@ -15,7 +15,6 @@
 """
 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

uncompyle6/scanner.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2016, 2018 by Rocky Bernstein
+#  Copyright (c) 2016-2018 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
@@ -21,13 +21,10 @@ 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
-
 from array import array
-from collections import namedtuple
 import sys
 
-from uncompyle6 import PYTHON3, IS_PYPY
+from uncompyle6 import PYTHON3, IS_PYPY, PYTHON_VERSION
 from uncompyle6.scanners.tok import Token
 import xdis
 from xdis.bytecode import (
@@ -35,9 +32,14 @@ from xdis.bytecode import (
 from xdis.magics import canonic_python_version
 from xdis.util import code2num
 
+if PYTHON_VERSION < 2.6:
+    from xdis.namedtuple24 import namedtuple
+else:
+    from collections import namedtuple
+
 # The byte code versions we support.
 # Note: these all have to be floats
-PYTHON_VERSIONS = frozenset((1.4, 1.5,
+PYTHON_VERSIONS = frozenset((1.3, 1.4, 1.5,
                              2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7,
                              3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7))
 
@@ -503,22 +505,26 @@ def get_scanner(version, is_pypy=False, show_asm=None):
     # Pick up appropriate scanner
     if version in PYTHON_VERSIONS:
         v_str = "%s" % (int(version * 10))
-        if PYTHON3:
+        try:
             import importlib
             if is_pypy:
                 scan = importlib.import_module("uncompyle6.scanners.pypy%s" % v_str)
             else:
                 scan = importlib.import_module("uncompyle6.scanners.scanner%s" % v_str)
             if False: print(scan)  # Avoid unused scan
-        else:
+        except ImportError:
             if is_pypy:
-                exec("import uncompyle6.scanners.pypy%s as scan" % v_str)
+                exec("import uncompyle6.scanners.pypy%s as scan" % v_str,
+                     locals(), globals())
             else:
-                exec("import uncompyle6.scanners.scanner%s as scan" % v_str)
+                exec("import uncompyle6.scanners.scanner%s as scan" % v_str,
+                      locals(), globals())
         if is_pypy:
-            scanner = eval("scan.ScannerPyPy%s(show_asm=show_asm)" % v_str)
+            scanner = eval("scan.ScannerPyPy%s(show_asm=show_asm)" % v_str,
+                           locals(), globals())
         else:
-            scanner = eval("scan.Scanner%s(show_asm=show_asm)" % v_str)
+            scanner = eval("scan.Scanner%s(show_asm=show_asm)" % v_str,
+                           locals(), globals())
     else:
         raise RuntimeError("Unsupported Python version %s" % version)
     return scanner

uncompyle6/scanners/scanner13.py

@@ -0,0 +1,35 @@
+#  Copyright (c) 2018 by Rocky Bernstein
+"""
+Python 1.3 bytecode decompiler massaging.
+
+This massages tokenized 1.3 bytecode to make it more amenable for
+grammar parsing.
+"""
+
+import uncompyle6.scanners.scanner14 as scan
+# from uncompyle6.scanners.scanner26 import ingest as  ingest26
+
+# bytecode verification, verify(), uses JUMP_OPs from here
+from xdis.opcodes import opcode_13
+JUMP_OPS = opcode_13.JUMP_OPS
+
+# We base this off of 1.4 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 Scanner13(scan.Scanner14):
+    def __init__(self, show_asm=False):
+        scan.Scanner14.__init__(self, show_asm)
+        self.opc = opcode_13
+        self.opname = opcode_13.opname
+        self.version = 1.3
+        return
+
+    # def ingest22(self, co, classname=None, code_objects={}, show_asm=None):
+    #     tokens, customize = self.parent_ingest(co, classname, code_objects, show_asm)
+    #     tokens = [t for t in tokens if t.kind != 'SET_LINENO']
+
+    #     # for t in tokens:
+    #     #     print(t)
+    #
+    #   return tokens, customize

uncompyle6/scanners/scanner15.py

@@ -13,13 +13,13 @@ import uncompyle6.scanners.scanner21 as scan
 from xdis.opcodes import opcode_15
 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

@@ -33,7 +33,7 @@ For example:
 Finally we save token information.
 """
 
-from __future__ import print_function
+from uncompyle6 import PYTHON_VERSION
 
 from copy import copy
 
@@ -1081,7 +1081,7 @@ class Scanner2(Scanner):
                 # FIXME FIXME FIXME
                 # All the conditions are horrible, and I am not sure I
                 # undestand fully what's going l
-                # WeR REALLY REALLY  need a better way to handle control flow
+                # We REALLY REALLY  need a better way to handle control flow
                 # Expecially for < 2.7
                 if label is not None and label != -1:
                     if self.version == 2.7:

uncompyle6/scanners/scanner21.py

@@ -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