gh-92455: Respect case-sensitive mimetype suffixes#148782
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yuanx749 wants to merge 3 commits intopython:mainfrom
Open
gh-92455: Respect case-sensitive mimetype suffixes#148782yuanx749 wants to merge 3 commits intopython:mainfrom
yuanx749 wants to merge 3 commits intopython:mainfrom
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Fixes gh-92455.
As described in the issue, the current implementation cannot find uppercase
extensions added via
mimetypes.add_type(). This appears to be a regression from gh-30229.This restores the lookup order documented for
mimetypes.guess_type():type suffixes are tried case-sensitively first, then case-insensitively.