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GH-126367: url2pathname(): handle NTFS alternate data streams (#131428)

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Adjust `url2pathname()` to decode embedded colon characters in Windows
URIs, rather than bailing out with an `OSError`.
This commit is contained in:
Barney Gale 2025-03-18 23:37:12 +00:00 • committed by GitHub
parent 01b5abbc53
commit d783d7b51d
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4 changed files with 20 additions and 17 deletions
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23
Lib/nturl2path.py
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@ -14,7 +14,7 @@ def url2pathname(url):
# ///C:/foo/bar/spam.foo
# become
# C:\foo\bar\spam.foo
import string, urllib.parse
import urllib.parse
if url[:3] == '///':
# URL has an empty authority section, so the path begins on the third
# character.
@ -25,19 +25,14 @@ def url2pathname(url):
if url[:3] == '///':
# Skip past extra slash before UNC drive in URL path.
url = url[1:]
# Windows itself uses ":" even in URLs.
url = url.replace(':', '|')
if not '|' in url:
# No drive specifier, just convert slashes
# make sure not to convert quoted slashes :-)
return urllib.parse.unquote(url.replace('/', '\\'))
comp = url.split('|')
if len(comp) != 2 or comp[0][-1] not in string.ascii_letters:
error = 'Bad URL: ' + url
raise OSError(error)
drive = comp[0][-1]
tail = urllib.parse.unquote(comp[1].replace('/', '\\'))
return drive + ':' + tail
else:
if url[:1] == '/' and url[2:3] in (':', '|'):
# Skip past extra slash before DOS drive in URL path.
url = url[1:]
if url[1:2] == '|':
# Older URLs use a pipe after a drive letter
url = url[:1] + ':' + url[2:]
return urllib.parse.unquote(url.replace('/', '\\'))
def pathname2url(p):
"""OS-specific conversion from a file system path to a relative URL