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[3.12] gh-66543: Fix mimetype.guess_type() (GH-117217) (GH-117256)

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Fix parsing of the following corner cases:

* URLs with only a host name
* URLs containing a fragment
* URLs containing a query
* filenames with only a UNC sharepoint on Windows

(cherry picked from commit 9654daf793)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
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Miss Islington (bot) 2024-03-26 12:43:36 +01:00 • committed by GitHub
parent 54514467c2
commit 36b1a20851
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4 changed files with 45 additions and 9 deletions
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8
Lib/mimetypes.py
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@ -120,7 +120,13 @@ class MimeTypes:
but non-standard types.
"""
url = os.fspath(url)
scheme, url = urllib.parse._splittype(url)
p = urllib.parse.urlparse(url)
if p.scheme and len(p.scheme) > 1:
scheme = p.scheme
url = p.path
else:
scheme = None
url = os.path.splitdrive(url)[1]
if scheme == 'data':
# syntax of data URLs:
# dataurl := "data:" [ mediatype ] [ ";base64" ] "," data