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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2024-01-22 18:10:44 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-22 18:10:44 (GMT) |
| commit | f5d9980217b2f36d095aa58a9b949b828f113082 (patch) | |
| tree | bc06152fb4da640f053b523bc546a5d52c617f68 | |
| parent | acea9d8e879c15255a3b08f11729bb1ec6b9fbd6 (diff) | |
| download | cpython-f5d9980217b2f36d095aa58a9b949b828f113082.zip cpython-f5d9980217b2f36d095aa58a9b949b828f113082.tar.gz cpython-f5d9980217b2f36d095aa58a9b949b828f113082.tar.bz2 | |
[3.11] gh-114257: Ignore the FileNotFound error in ctypes.util._is_elf() (GH-114394) (GH-114445)
(cherry picked from commit 7fc51c3f6b7b13f88480557ff14bdb1c049f9a37)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
| -rw-r--r-- | Lib/ctypes/test/test_find.py | 3 | ||||
| -rw-r--r-- | Lib/ctypes/util.py | 7 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2024-01-21-16-32-55.gh-issue-114257.bCFld5.rst | 2 |
3 files changed, 10 insertions, 2 deletions
diff --git a/Lib/ctypes/test/test_find.py b/Lib/ctypes/test/test_find.py index 1ff9d01..a41e949 100644 --- a/Lib/ctypes/test/test_find.py +++ b/Lib/ctypes/test/test_find.py @@ -122,6 +122,9 @@ class FindLibraryLinux(unittest.TestCase): unittest.mock.patch("ctypes.util._findLib_gcc", lambda *args: None): self.assertNotEqual(find_library('c'), None) + def test_gh114257(self): + self.assertIsNone(find_library("libc")) + if __name__ == "__main__": unittest.main() diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py index 0c2510e..c550883 100644 --- a/Lib/ctypes/util.py +++ b/Lib/ctypes/util.py @@ -96,8 +96,11 @@ elif os.name == "posix": def _is_elf(filename): "Return True if the given file is an ELF file" elf_header = b'\x7fELF' - with open(filename, 'br') as thefile: - return thefile.read(4) == elf_header + try: + with open(filename, 'br') as thefile: + return thefile.read(4) == elf_header + except FileNotFoundError: + return False def _findLib_gcc(name): # Run GCC's linker with the -t (aka --trace) option and examine the diff --git a/Misc/NEWS.d/next/Library/2024-01-21-16-32-55.gh-issue-114257.bCFld5.rst b/Misc/NEWS.d/next/Library/2024-01-21-16-32-55.gh-issue-114257.bCFld5.rst new file mode 100644 index 0000000..6f02ff9 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-01-21-16-32-55.gh-issue-114257.bCFld5.rst @@ -0,0 +1,2 @@ +Dismiss the :exc:`FileNotFound` error in :func:`ctypes.util.find_library` and +just return ``None`` on Linux. |