Add more text MIME types with defined file extensions #146343

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1. picnixz

   added

   type-featureA feature request or enhancementA feature request or enhancement

   stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

   triagedThe issue has been accepted as valid by a triager.The issue has been accepted as valid by a triager.

   on Mar 23, 2026
2. bitdancer commented on Mar 24, 2026

   

   bitdancer

   on Mar 24, 2026

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   Please provide documentation on the validity of these additions.
3. picnixz commented on Mar 25, 2026

   

   picnixz

   on Mar 25, 2026

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   The list adds:

     - ``.appcache`` and ``.manifest`` for ``text/cache-manifest``
     - ``.ics`` and ``.ifb``    for ``text/calendar``
     - ``.cql``    for ``text/cql``
     - ``.csvs``   for ``text/csv-schema``
     - ``.gff3``   for ``text/gff3``
     - ``.cnd``    for ``text/jcr-cnd``
     - ``.miz``    for ``text/mizar``
     - ``.org``    for ``text/org``
     - ``.provn``  for ``text/provenance-notation``
     - ``.shaclc`` and ``.shc``    for ``text/shaclc``
     - ``.shex``   for ``text/shex``
     - ``.spdx``   for ``text/spdx``
     - ``.ttl``    for ``text/turtle``
     - ``.uri``  and ``.uris``   for ``text/uri-list``
     - ``.vcard`` and ``.vcf``    for ``text/vcard``
     - ``.ascii``  for ``text/vnd.ascii-art``
     - ``.curl``   for ``text/vnd.curl``
     - ``.gml``    for ``text/vnd.gml``
     - ``.gv``     for ``text/vnd.graphviz``
     - ``.wgsl``   for ``text/wgsl``
     - ``.ent``    for ``text/xml-external-parsed-entity``
   

   I am willing to add .ics and .vcard but the others aren't that used I think. .manifest and .csvs may be relevant though, IDK.
4. clin1234 commented on Mar 25, 2026

   

   clin1234

   on Mar 25, 2026

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   Graphviz, SPDX (a Linux Foundation standard), and Org Emacs files have well-known specs and defined file extenions. The others have formally-defined MIME types, so they should be added for completeness
5. picnixz commented on Mar 25, 2026

   

   picnixz

   on Mar 25, 2026

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   Oh right, SPDX is useful. I'm not willing to add others for the sake of completeness though. I would rather have an autogenerate list instead if we want "completeness". In addition, your changes changed the priority order of mime types, so we should be extra careful here.
6. picnixz

   removed

   triagedThe issue has been accepted as valid by a triager.The issue has been accepted as valid by a triager.

   on Mar 25, 2026
7. clin1234 commented on Mar 25, 2026

   

   clin1234

   on Mar 25, 2026

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   Do you mean the JS file types? You can mark the diffs containing them in my PR for reversion if you like.
8. picnixz commented on Mar 25, 2026

   

   picnixz

   on Mar 25, 2026

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   First, we need to decide whether we want to all those types. I asked to create an issue for gathering similar MIME types so that we can discuss first which ones to add as well.

   I think some are useful, but not all of them. The list is already growing a lot and I think it would make more sense to have that list in an auto-generated file instead but that's also another question.

   For now, I want you to revert the changes you made in the PR that are not additions and wait until we decide what to do (both for text and video types). TiA.