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80 gh-83424: Allow empty name if handle is non-null when create ctypes.CDLL by aisk · Pull Request #136878 · python/cpython · GitHub
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gh-83424: Allow empty name if handle is non-null when create ctypes.CDLL #136878

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gh-83424: Allow empty name if handle is non-null when create ctypes.CDLL #136878

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cf31798
Allow empty name if handle is non-null in CDLL
aisk Jul 20, 2025
fad677f
Refactor CDLL __init__ function
aisk Jul 20, 2025
ab5aaa5
Add test
aisk Jul 20, 2025
6806244
Remove dead code
aisk Jul 20, 2025
06df096
Ensure self._name is set
aisk Jul 20, 2025
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Ensure self._name is set
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@aisk
aisk committed Jul 20, 2025
commit 06df0965d9c646d0d36d47349f3ef9f36e890789
11 changes: 5 additions & 6 deletions Lib/ctypes/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -422,13 +422,10 @@ class _FuncPtr(_CFuncPtr):
if name:
name = _os.fspath(name)

if handle is None:
self._handle = self._load_library(name, mode, winmode)
else:
self._handle = handle
self._handle = self._load_library(name, mode, handle, winmode)

if _os.name == "nt":
def _load_library(self, name, mode, winmode):
def _load_library(self, name, mode, handle, winmode):
if winmode is not None:
mode = winmode
else:
Expand All @@ -443,10 +440,12 @@ def _load_library(self, name, mode, winmode):
name = _nt._getfullpathname(name)
mode |= _nt._LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR
self._name = name
if handle is not None:
return handle
return _LoadLibrary(self._name, mode)

else:
def _load_library(self, name, mode, winmode):
def _load_library(self, name, mode, handle, winmode):
if _sys.platform.startswith("aix"):
"""When the name contains ".a(" and ends with ")",
e.g., "libFOO.a(libFOO.so)" - this is taken to be an
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