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[3.12] GH-126766: url2pathname(): handle empty authority section. (GH-126767) (#126837)

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GH-126766: `url2pathname()`: handle empty authority section. (GH-126767)

Discard two leading slashes from the beginning of a `file:` URI if they
introduce an empty authority section. As a result, file URIs like
`///etc/hosts` are correctly parsed as `/etc/hosts`.
(cherry picked from commit cae9d9d20f)

Co-authored-by: Barney Gale <barney.gale@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-11-15 00:52:46 +01:00 • committed by GitHub
parent 306db142c2
commit 04f38bb775
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4 changed files with 14 additions and 9 deletions
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7
Lib/nturl2path.py
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@ -19,10 +19,9 @@ def url2pathname(url):
url = url.replace(':', '|')
if not '|' in url:
# No drive specifier, just convert slashes
if url[:4] == '////':
# path is something like ////host/path/on/remote/host
# convert this to \\host\path\on\remote\host
# (notice halving of slashes at the start of the path)
if url[:3] == '///':
# URL has an empty authority section, so the path begins on the
# third character.
url = url[2:]
# make sure not to convert quoted slashes :-)
return urllib.parse.unquote(url.replace('/', '\\'))