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gh-128703: Fix mimetypes.guess_type for empty Content-Type in registry #128854

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Merged
merged 4 commits into from
Feb 14, 2025
Merged

gh-128703: Fix mimetypes.guess_type for empty Content-Type in registry #128854

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a2c92e8
Fix guess_type defalut behavior
rruuaanng Jan 15, 2025
a679ffe
Apply Steve advice
rruuaanng Jan 21, 2025
628fe3b
Change NEWS
rruuaanng Feb 14, 2025
dca4e8b
Merge branch 'main' into fix-webp-type
rruuaanng Feb 14, 2025
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2 changes: 2 additions & 0 deletions Lib/mimetypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,8 @@ def add_type(self, type, ext, strict=True):
list of standard types, else to the list of non-standard
types.
"""
if not type:
return
self.types_map[strict][ext] = type
exts = self.types_map_inv[strict].setdefault(type, [])
if ext not in exts:
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2025-01-15-12-04-30.gh-issue-128703.6WPf38.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix :func:`mimetypes.guess_type` to use default mapping for empty
``Content-Type`` in registry.
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