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authorChristian Heimes <christian@python.org>2022-06-10 23:56:26 +0200
committerGitHub <noreply@github.com>2022-06-10 23:56:26 +0200
commit09243b898a13f3f61e275c1031143d1225e70916 (patch)
treefe8d33df19d464585d2f4391c262b225834f3f28 /Lib/importlib/_bootstrap_external.py
parentcf730b595eea0460a7305205f7dfb6ecf0346351 (diff)
downloadcpython-09243b898a13f3f61e275c1031143d1225e70916.tar.gz
cpython-09243b898a13f3f61e275c1031143d1225e70916.zip
gh-93461: Invalidate sys.path_importer_cache entries with relative paths (GH-93653)
Diffstat (limited to 'Lib/importlib/_bootstrap_external.py')
-rw-r--r--Lib/importlib/_bootstrap_external.py13
1 files changed, 9 insertions, 4 deletions
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
index 1b6654202f3..8605c2a037d 100644
--- a/Lib/importlib/_bootstrap_external.py
+++ b/Lib/importlib/_bootstrap_external.py
@@ -1399,7 +1399,9 @@ class PathFinder:
"""Call the invalidate_caches() method on all path entry finders
stored in sys.path_importer_caches (where implemented)."""
for name, finder in list(sys.path_importer_cache.items()):
- if finder is None:
+ # Drop entry if finder name is a relative path. The current
+ # working directory may have changed.
+ if finder is None or not _path_isabs(name):
del sys.path_importer_cache[name]
elif hasattr(finder, 'invalidate_caches'):
finder.invalidate_caches()
@@ -1567,9 +1569,12 @@ class FileFinder:
loaders.extend((suffix, loader) for suffix in suffixes)
self._loaders = loaders
# Base (directory) path
- self.path = path or '.'
- if not _path_isabs(self.path):
- self.path = _path_join(_os.getcwd(), self.path)
+ if not path or path == '.':
+ self.path = _os.getcwd()
+ elif not _path_isabs(path):
+ self.path = _path_join(_os.getcwd(), path)
+ else:
+ self.path = path
self._path_mtime = -1
self._path_cache = set()
self._relaxed_path_cache = set()