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bpo-20392: Fix inconsistency with uppercase file extensions in mimetypes.guess_type (GH-30229)

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Kumar Aditya 2022-03-15 18:55:43 +05:30 • committed by GitHub
parent 22403d3a81
commit 5dd7ec52b8
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3 changed files with 12 additions and 6 deletions
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10
Lib/mimetypes.py
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@ -141,25 +141,23 @@ class MimeTypes:
type = 'text/plain'
return type, None # never compressed, so encoding is None
base, ext = posixpath.splitext(url)
while ext in self.suffix_map:
base, ext = posixpath.splitext(base + self.suffix_map[ext])
while (ext_lower := ext.lower()) in self.suffix_map:
base, ext = posixpath.splitext(base + self.suffix_map[ext_lower])
# encodings_map is case sensitive
if ext in self.encodings_map:
encoding = self.encodings_map[ext]
base, ext = posixpath.splitext(base)
else:
encoding = None
ext = ext.lower()
types_map = self.types_map[True]
if ext in types_map:
return types_map[ext], encoding
elif ext.lower() in types_map:
return types_map[ext.lower()], encoding
elif strict:
return None, encoding
types_map = self.types_map[False]
if ext in types_map:
return types_map[ext], encoding
elif ext.lower() in types_map:
return types_map[ext.lower()], encoding
else:
return None, encoding