New submission from Windson Yang <[email protected]>:
Is it an expected behavior the get_importer function only returns the first
valid path_hook(importer) from sys.path_hooks?
def get_importer(path_item):
"""Retrieve a finder for the given path item
The returned finder is cached in sys.path_importer_cache
if it was newly created by a path hook.
The cache (or part of it) can be cleared manually if a
rescan of sys.path_hooks is necessary.
"""
try:
importer = sys.path_importer_cache[path_item]
except KeyError:
for path_hook in sys.path_hooks:
try:
importer = path_hook(path_item)
sys.path_importer_cache.setdefault(path_item, importer)
break
except ImportError:
pass
else:
importer = None
return importer
Does the order in sys.path_hooks matters? We should document it if it does. Btw
get_importer function is lack of test.
----------
components: Library (Lib)
messages: 339000
nosy: Windson Yang
priority: normal
severity: normal
status: open
title: get_importer only return the first valid path_hook(importer)
type: behavior
versions: Python 3.7, Python 3.8, Python 3.9
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Python tracker <[email protected]>
<https://bugs.python.org/issue36453>
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