diff --git a/Lib/importlib/resources/_common.py b/Lib/importlib/resources/_common.py index 147ea19188f..ca1fa8ab2fe 100644 --- a/Lib/importlib/resources/_common.py +++ b/Lib/importlib/resources/_common.py @@ -67,7 +67,10 @@ def from_package(package): @contextlib.contextmanager -def _tempfile(reader, suffix=''): +def _tempfile(reader, suffix='', + # gh-93353: Keep a reference to call os.remove() in late Python + # finalization. + *, _os_remove=os.remove): # Not using tempfile.NamedTemporaryFile as it leads to deeper 'try' # blocks due to the need to close the temporary file to work on Windows # properly. @@ -81,7 +84,7 @@ def _tempfile(reader, suffix=''): yield pathlib.Path(raw_path) finally: try: - os.remove(raw_path) + _os_remove(raw_path) except FileNotFoundError: pass diff --git a/Misc/NEWS.d/next/Library/2022-05-31-14-58-40.gh-issue-93353.9Hvm6o.rst b/Misc/NEWS.d/next/Library/2022-05-31-14-58-40.gh-issue-93353.9Hvm6o.rst new file mode 100644 index 00000000000..67be3c68f47 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2022-05-31-14-58-40.gh-issue-93353.9Hvm6o.rst @@ -0,0 +1,3 @@ +Fix the :func:`importlib.resources.as_file` context manager to remove the +temporary file if destroyed late during Python finalization: keep a local +reference to the :func:`os.remove` function. Patch by Victor Stinner.