def decompile(bytecode_version,
co,
out=None,
showasm=None,
showast=False,
timestamp=None,
showgrammar=False,
code_objects={},
source_size=None,
is_pypy=None,
magic_int=None,
mapstream=None,
do_fragments=False):
"""
ingests and deparses a given code block 'co'
if `bytecode_version` is None, use the current Python intepreter
version.
Caller is responsible for closing `out` and `mapstream`
"""
if bytecode_version is None:
bytecode_version = sysinfo2float()
# store final output stream for case of error
real_out = out or sys.stdout
def write(s):
s += '\n'
real_out.write(s)
assert iscode(co)
co_pypy_str = 'PyPy ' if is_pypy else ''
run_pypy_str = 'PyPy ' if IS_PYPY else ''
sys_version_lines = sys.version.split('\n')
write('# decompyle3 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)))
if co.co_filename:
write('# Embedded file name: %s' % co.co_filename, )
if timestamp:
write('# Compiled at: %s' % datetime.datetime.fromtimestamp(timestamp))
if source_size:
write('# Size of source mod 2**32: %d bytes' % source_size)
debug_opts = {'asm': showasm, 'ast': showast, 'grammar': showgrammar}
try:
if mapstream:
if isinstance(mapstream, str):
mapstream = _get_outstream(mapstream)
deparsed = deparse_code_with_map(
bytecode_version,
co,
out,
showasm,
showast,
showgrammar,
code_objects=code_objects,
is_pypy=is_pypy,
)
header_count = 3 + len(sys_version_lines)
linemap = [(line_no,
deparsed.source_linemap[line_no] + header_count)
for line_no in sorted(deparsed.source_linemap.keys())]
mapstream.write("\n\n# %s\n" % linemap)
else:
if do_fragments:
deparse_fn = code_deparse_fragments
else:
deparse_fn = code_deparse
deparsed = deparse_fn(co,
out,
bytecode_version,
debug_opts=debug_opts,
is_pypy=is_pypy)
pass
return deparsed
except pysource.SourceWalkerError as e:
# deparsing failed
raise pysource.SourceWalkerError(str(e))
def decompile(
bytecode_version: str,
co,
out=None,
showasm=None,
showast={},
timestamp=None,
showgrammar=False,
source_encoding=None,
code_objects={},
source_size=None,
is_pypy=None,
magic_int=None,
mapstream=None,
do_fragments=False,
compile_mode="exec",
) -> Any:
"""
ingests and deparses a given code block 'co'
if `bytecode_version` is None, use the current Python intepreter
version.
Caller is responsible for closing `out` and `mapstream`
"""
if bytecode_version is None:
bytecode_version = sysinfo2float()
# store final output stream for case of error
real_out = out or sys.stdout
def write(s):
s += "\n"
real_out.write(s)
assert iscode(co), f"""{co} is not smell like code"""
co_pypy_str = "PyPy " if is_pypy else ""
run_pypy_str = "PyPy " if IS_PYPY else ""
sys_version_lines = sys.version.split("\n")
if source_encoding:
write("# -*- coding: %s -*-" % source_encoding)
write("# decompyle3 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),
))
if co.co_filename:
write("# Embedded file name: %s" % co.co_filename)
if timestamp:
write("# Compiled at: %s" % datetime.datetime.fromtimestamp(timestamp))
if source_size:
write("# Size of source mod 2**32: %d bytes" % source_size)
debug_opts = {"asm": showasm, "ast": showast, "grammar": showgrammar}
try:
if mapstream:
if isinstance(mapstream, str):
mapstream = _get_outstream(mapstream)
deparsed = deparse_code_with_map(
bytecode_version,
co,
out,
showasm,
showast,
showgrammar,
code_objects=code_objects,
is_pypy=is_pypy,
)
header_count = 3 + len(sys_version_lines)
linemap = [(line_no,
deparsed.source_linemap[line_no] + header_count)
for line_no in sorted(deparsed.source_linemap.keys())]
mapstream.write("\n\n# %s\n" % linemap)
else:
if do_fragments:
deparse_fn = code_deparse_fragments
else:
deparse_fn = code_deparse
deparsed = deparse_fn(
co,
out,
bytecode_version,
debug_opts=debug_opts,
is_pypy=is_pypy,
compile_mode=compile_mode,
)
pass
return deparsed
except pysource.SourceWalkerError as e:
# deparsing failed
raise pysource.SourceWalkerError(str(e))