bpo-42133: update parts of the stdlib to fall back to `__spec__.loader` when `__loader__` is missing (#22929)
diff --git a/Lib/site.py b/Lib/site.py
index 4d3b869..3a0f619 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -105,8 +105,15 @@ def makepath(*paths):
def abs_paths():
"""Set all module __file__ and __cached__ attributes to an absolute path"""
for m in set(sys.modules.values()):
- if (getattr(getattr(m, '__loader__', None), '__module__', None) not in
- ('_frozen_importlib', '_frozen_importlib_external')):
+ loader_module = None
+ try:
+ loader_module = m.__loader__.__module__
+ except AttributeError:
+ try:
+ loader_module = m.__spec__.loader.__module__
+ except AttributeError:
+ pass
+ if loader_module not in {'_frozen_importlib', '_frozen_importlib_external'}:
continue # don't mess with a PEP 302-supplied __file__
try:
m.__file__ = os.path.abspath(m.__file__)