jinx/python-uncompyle6
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verify.py: Don't try to verify bytecode against compiled code if

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magics of running interpreter mismatch bytecode to be compared.
load_module() now returns the magic found in the code object file.
This commit is contained in:
rocky
2015-12-18 22:04:50 -05:00
parent 6bc425b45e
commit 0a49c7a15b
4 changed files with 42 additions and 29 deletions
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29
uncompyle6/__init__.py
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@@ -77,13 +77,18 @@ def _load_file(filename):
return co
def load_module(filename):
'''
load a module without importing it
load_module(filename: string): code_object
"""
load a module without importing it.
load_module(filename: string): version, magic_int, code_object
filename: name of file containing Python byte-code object
(normally a .pyc)
code_object: code_object from this file
'''
version: Python major/minor value e.g. 2.7. or 3.4
magic_int: more specific than version. The actual byte code version of the
code object
"""
with open(filename, 'rb') as fp:
magic = fp.read(4)
@@ -117,11 +122,11 @@ def load_module(filename):
co = uncompyle6.marsh.load_code(fp, magic_int)
pass
return version, co
return version, magic_int, co
def uncompyle(version, co, out=None, showasm=False, showast=False):
"""
diassembles and deparses a given code block 'co'
disassembles and deparses a given code block 'co'
"""
assert isinstance(co, types.CodeType)
@@ -173,7 +178,7 @@ def uncompyle_file(filename, outstream=None, showasm=False, showast=False):
decompile Python byte-code file (.pyc)
"""
check_object_path(filename)
version, co = load_module(filename)
version, magic_int, co = load_module(filename)
if type(co) == list:
for con in co:
uncompyle(version, con, outstream, showasm, showast)
@@ -282,9 +287,13 @@ def main(in_base, out_base, files, codes, outfile=None,
outstream.close()
if do_verify:
try:
verify.compare_code_with_srcfile(infile, outfile)
if not outfile: print('\n# okay decompyling', infile, __memUsage())
okay_files += 1
msg = verify.compare_code_with_srcfile(infile, outfile)
if not outfile:
if not msg:
print('\n# okay decompyling %s' % infile)
okay_files += 1
else:
print('\n# %s\n\t%s', infile, msg)
except verify.VerifyCmpError as e:
verify_failed_files += 1
os.rename(outfile, outfile + '_unverified')