diff options
| -rw-r--r-- | Doc/library/ctypes.rst | 16 | ||||
| -rw-r--r-- | Lib/ctypes/__init__.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_ctypes/test_loading.py | 18 | ||||
| -rw-r--r-- | Misc/ACKS | 1 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2018-05-21-17-18-00.gh-issue-77772.Fhg84L.rst | 3 |
5 files changed, 36 insertions, 4 deletions
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index 0642bbe..8fd6812 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -1380,6 +1380,10 @@ way is to instantiate one of the following classes: DLLs and determine which one is not found using Windows debugging and tracing tools. + .. versionchanged:: 3.12 + + The *name* parameter can now be a :term:`path-like object`. + .. seealso:: `Microsoft DUMPBIN tool <https://docs.microsoft.com/cpp/build/reference/dependents>`_ @@ -1398,6 +1402,10 @@ way is to instantiate one of the following classes: .. versionchanged:: 3.3 :exc:`WindowsError` used to be raised. + .. versionchanged:: 3.12 + + The *name* parameter can now be a :term:`path-like object`. + .. class:: WinDLL(name, mode=DEFAULT_MODE, handle=None, use_errno=False, use_last_error=False, winmode=None) @@ -1405,6 +1413,10 @@ way is to instantiate one of the following classes: functions in these libraries use the ``stdcall`` calling convention, and are assumed to return :c:expr:`int` by default. + .. versionchanged:: 3.12 + + The *name* parameter can now be a :term:`path-like object`. + The Python :term:`global interpreter lock` is released before calling any function exported by these libraries, and reacquired afterwards. @@ -1418,6 +1430,10 @@ function exported by these libraries, and reacquired afterwards. Thus, this is only useful to call Python C api functions directly. + .. versionchanged:: 3.12 + + The *name* parameter can now be a :term:`path-like object`. + All these classes can be instantiated by calling them with at least one argument, the pathname of the shared library. If you have an existing handle to an already loaded shared library, it can be passed as the ``handle`` named diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py index 2e9d4c5..95353ba 100644 --- a/Lib/ctypes/__init__.py +++ b/Lib/ctypes/__init__.py @@ -344,6 +344,8 @@ class CDLL(object): use_errno=False, use_last_error=False, winmode=None): + if name: + name = _os.fspath(name) self._name = name flags = self._func_flags_ if use_errno: diff --git a/Lib/test/test_ctypes/test_loading.py b/Lib/test/test_ctypes/test_loading.py index 15e365e..f243492 100644 --- a/Lib/test/test_ctypes/test_loading.py +++ b/Lib/test/test_ctypes/test_loading.py @@ -28,10 +28,20 @@ class LoaderTest(unittest.TestCase): unknowndll = "xxrandomnamexx" def test_load(self): - if libc_name is None: - self.skipTest('could not find libc') - CDLL(libc_name) - CDLL(os.path.basename(libc_name)) + if libc_name is not None: + test_lib = libc_name + else: + if os.name == "nt": + import _ctypes_test + test_lib = _ctypes_test.__file__ + else: + self.skipTest('could not find library to load') + CDLL(test_lib) + CDLL(os.path.basename(test_lib)) + class CTypesTestPathLikeCls: + def __fspath__(self): + return test_lib + CDLL(CTypesTestPathLikeCls()) self.assertRaises(OSError, CDLL, self.unknowndll) def test_load_version(self): @@ -754,6 +754,7 @@ Tim Hochberg Benjamin Hodgson Joerg-Cyril Hoehle Douwe Hoekstra +Robert Hoelzl Gregor Hoffleit Chris Hoffman Tim Hoffmann diff --git a/Misc/NEWS.d/next/Library/2018-05-21-17-18-00.gh-issue-77772.Fhg84L.rst b/Misc/NEWS.d/next/Library/2018-05-21-17-18-00.gh-issue-77772.Fhg84L.rst new file mode 100644 index 0000000..3a7c6d4 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2018-05-21-17-18-00.gh-issue-77772.Fhg84L.rst @@ -0,0 +1,3 @@ +:class:`ctypes.CDLL`, :class:`ctypes.OleDLL`, :class:`ctypes.WinDLL`, +and :class:`ctypes.PyDLL` now accept :term:`path-like objects +<path-like object>` as their ``name`` argument. Patch by Robert Hoelzl. |