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fix: support latest pefile #97

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fix: support latest pefile #97

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e99e74c
fix: support latest pefile
smiRaphi Mar 17, 2026
f7bdc3c
Add ability to set max_offset on newer pefile versions
smiRaphi Mar 26, 2026
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17 changes: 14 additions & 3 deletions src/dnfile/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,9 @@ def handler(err):
codecs.register_error("backslashreplace_", handler)


def func_has_arg(func, arg):
return arg in func.__code__.co_varnames

class dnPE(_PE):
def add_warning(self, msg):
self._warnings.append(msg)
Expand All @@ -58,10 +61,15 @@ def __init__(
fast_load=None,
max_symbol_exports=MAX_SYMBOL_EXPORT_COUNT,
clr_lazy_load=False,
*, # args after this are keyword-only
max_offset=0x10000000,
):
self._warnings = list()
self.clr_lazy_load = clr_lazy_load
super().__init__(name, data, fast_load)
if func_has_arg(super().__init__,'max_offset'):
super().__init__(name, data, fast_load, max_offset=max_offset)
else:
super().__init__(name, data, fast_load)

def dump_info(self, dump=None, encoding="utf-8"):
"""
Expand Down Expand Up @@ -128,8 +136,11 @@ def get_warnings(self):
result.extend(self._warnings)
return result

def __parse__(self, fname, data, fast_load):
super().__parse__(fname, data, fast_load)
def __parse__(self, fname, data, fast_load, max_offset=None):
if func_has_arg(super().__parse__,max_offset):
super().__parse__(fname, data, fast_load, max_offset=max_offset)
else:
super().__parse__(fname, data, fast_load)

# NOTE: .NET loaders ignores NumberOfRvaAndSizes
# We check this elsewhere, but note it here.
Expand Down