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bpo-38735: Don't fail when importing from / with sys.pycache_prefix set #30456

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bpo-38735: Don't fail when importing from / with sys.pycache_prefix set #30456

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bpo-38735: Don't crash when importing from / with pycache_prefix set
encukou Jan 7, 2022
7e4b5e5
Add a blurb
encukou Jan 7, 2022
40731a2
Merge branch 'main' into cacheprefix-slash
serhiy-storchaka Feb 24, 2024
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4 changes: 2 additions & 2 deletions Lib/importlib/_bootstrap_external.py
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Original file line number Diff line number Diff line change
Expand Up @@ -553,9 +553,9 @@ def cache_from_source(path, debug_override=None, *, optimization=None):
head = _path_abspath(head)

# Strip initial drive from a Windows path. We know we have an absolute
# path here, so the second part of the check rules out a POSIX path that
# path here, so the first part of the check rules out a POSIX path that
# happens to contain a colon at the second character.
if head[1] == ':' and head[0] not in path_separators:
if head[0] not in path_separators and head[1] == ':':
head = head[2:]

# Strip initial path separator from `head` to complete the conversion
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2022-01-07-16-56-57.bpo-38735.NFfJX6.rst
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@@ -0,0 +1,2 @@
Fix failure when importing a module from the root directory on unix-like
platforms with sys.pycache_prefix set.