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gh-87710: Update mime type for .ai #141239

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gh-87710: Update mime type for .ai #141239

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2 changes: 1 addition & 1 deletion Lib/mimetypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -495,10 +495,10 @@ def _default_mime_types():
'.so' : 'application/octet-stream',
'.oda' : 'application/oda',
'.ogx' : 'application/ogg',
'.ai' : 'application/pdf',
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@cmaloney cmaloney Nov 9, 2025

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I think the .pdf should go first here, from the comment:

# Make sure the entry with the preferred file extension for a particular mime type
# appears before any others of the same mimetype.

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@bitdancer bitdancer Nov 9, 2025 •
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Ideally we'd add a test that .pdf is returned as the preferred extension for application/pdf.

'.pdf' : 'application/pdf',
'.p7c' : 'application/pkcs7-mime',
'.ps' : 'application/postscript',
'.ai' : 'application/postscript',
'.eps' : 'application/postscript',
'.texi' : 'application/texinfo',
'.texinfo': 'application/texinfo',
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2025-11-08-13-03-10.gh-issue-87710.XJeZlP.rst
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@@ -0,0 +1 @@
:mod:`mimetypes`: Update mime type for ``.ai`` files to ``application/pdf``.
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