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Commitf7e9fba

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bpo-33591: Add support for path like objects toctypes.CDLL (#7032)
Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net>
1 parent90d85a9 commitf7e9fba

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5 files changed

+36
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5 files changed

+36
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‎Doc/library/ctypes.rst‎

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@@ -1380,6 +1380,10 @@ way is to instantiate one of the following classes:
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DLLs and determine which one is not found using Windows debugging and
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tracing tools.
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..versionchanged::3.12
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The *name* parameter can now be a:term:`path-like object`.
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..seealso::
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`Microsoft DUMPBIN tool<https://docs.microsoft.com/cpp/build/reference/dependents>`_
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..versionchanged::3.3
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:exc:`WindowsError` used to be raised.
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..versionchanged::3.12
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The *name* parameter can now be a:term:`path-like object`.
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..class::WinDLL(name, mode=DEFAULT_MODE, handle=None, use_errno=False, use_last_error=False, winmode=None)
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Windows only: Instances of this class represent loaded shared libraries,
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functions in these libraries use the ``stdcall`` calling convention, and are
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assumed to return:c:expr:`int` by default.
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..versionchanged::3.12
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The *name* parameter can now be a:term:`path-like object`.
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The Python:term:`global interpreter lock` is released before calling any
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function exported by these libraries, and reacquired afterwards.
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@@ -1418,6 +1430,10 @@ function exported by these libraries, and reacquired afterwards.
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Thus, this is only useful to call Python C api functions directly.
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..versionchanged::3.12
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The *name* parameter can now be a:term:`path-like object`.
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All these classes can be instantiated by calling them with at least one
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argument, the pathname of the shared library. If you have an existing handle to
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an already loaded shared library, it can be passed as the ``handle`` named

‎Lib/ctypes/__init__.py‎

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@@ -344,6 +344,8 @@ def __init__(self, name, mode=DEFAULT_MODE, handle=None,
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use_errno=False,
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use_last_error=False,
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winmode=None):
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ifname:
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name=_os.fspath(name)
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self._name=name
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flags=self._func_flags_
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ifuse_errno:

‎Lib/test/test_ctypes/test_loading.py‎

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@@ -28,10 +28,20 @@ class LoaderTest(unittest.TestCase):
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unknowndll="xxrandomnamexx"
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deftest_load(self):
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iflibc_nameisNone:
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self.skipTest('could not find libc')
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CDLL(libc_name)
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CDLL(os.path.basename(libc_name))
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iflibc_nameisnotNone:
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test_lib=libc_name
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else:
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ifos.name=="nt":
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import_ctypes_test
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test_lib=_ctypes_test.__file__
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else:
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self.skipTest('could not find library to load')
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CDLL(test_lib)
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CDLL(os.path.basename(test_lib))
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classCTypesTestPathLikeCls:
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def__fspath__(self):
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returntest_lib
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CDLL(CTypesTestPathLikeCls())
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self.assertRaises(OSError,CDLL,self.unknowndll)
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deftest_load_version(self):

‎Misc/ACKS‎

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@@ -754,6 +754,7 @@ Tim Hochberg
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Benjamin Hodgson
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Joerg-Cyril Hoehle
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Douwe Hoekstra
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Robert Hoelzl
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Gregor Hoffleit
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Chris Hoffman
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Tim Hoffmann
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:class:`ctypes.CDLL`,:class:`ctypes.OleDLL`,:class:`ctypes.WinDLL`,
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and:class:`ctypes.PyDLL` now accept:term:`path-like objects
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<path-like object>` as their ``name`` argument. Patch by Robert Hoelzl.

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