Add RFC 9559 MIME types for Matroska audiovisual container formats

Author: hugovk

Doc/whatsnew/3.14.rst

@@ -352,6 +352,19 @@ json
   (Contributed by Trey Hunner in :gh:`122873`.)
 
 
+mimetypes
+---------
+
+* Add :rfc:`9559` MIME types for Matroska audiovisual data container
+  structures, containing:
+
+  * audio with no video: ``audio/matroska`` (``.mka``)
+  * video: ``video/matroska`` (``.mkv``)
+  * stereoscopic video: ``video/matroska-3d`` (``.mk3d``)
+
+  (Contributed by Hugo van Kemenade in :gh:`89416`.)
+
+
 operator
 --------
 

Lib/mimetypes.py

@@ -534,6 +534,7 @@ def _default_mime_types():
         '.ass'    : 'audio/aac',
         '.au'     : 'audio/basic',
         '.snd'    : 'audio/basic',
+        '.mka'    : 'audio/matroska',
         '.mp3'    : 'audio/mpeg',
         '.mp2'    : 'audio/mpeg',
         '.opus'   : 'audio/opus',
@@ -595,6 +596,8 @@ def _default_mime_types():
         '.sgml'   : 'text/x-sgml',
         '.vcf'    : 'text/x-vcard',
         '.xml'    : 'text/xml',
+        '.mkv'    : 'video/matroska',
+        '.mk3d'   : 'video/matroska-3d',
         '.mp4'    : 'video/mp4',
         '.mpeg'   : 'video/mpeg',
         '.m1v'    : 'video/mpeg',

Lib/test/test_mimetypes.py

@@ -231,6 +231,7 @@ def check_extensions():
             self.assertEqual(mimetypes.guess_extension('application/x-texinfo'), '.texi')
             self.assertEqual(mimetypes.guess_extension('application/x-troff'), '.roff')
             self.assertEqual(mimetypes.guess_extension('application/xml'), '.xsl')
+            self.assertEqual(mimetypes.guess_extension('audio/matroska'), '.mka')
             self.assertEqual(mimetypes.guess_extension('audio/mpeg'), '.mp3')
             self.assertEqual(mimetypes.guess_extension('image/avif'), '.avif')
             self.assertEqual(mimetypes.guess_extension('image/webp'), '.webp')
@@ -241,6 +242,8 @@ def check_extensions():
             self.assertEqual(mimetypes.guess_extension('text/plain'), '.txt')
             self.assertEqual(mimetypes.guess_extension('text/rtf'), '.rtf')
             self.assertEqual(mimetypes.guess_extension('text/x-rst'), '.rst')
+            self.assertEqual(mimetypes.guess_extension('video/matroska'), '.mkv')
+            self.assertEqual(mimetypes.guess_extension('video/matroska-3d'), '.mk3d')
             self.assertEqual(mimetypes.guess_extension('video/mpeg'), '.mpeg')
             self.assertEqual(mimetypes.guess_extension('video/quicktime'), '.mov')
 

Misc/NEWS.d/next/Library/2024-11-04-22-53-09.gh-issue-89416.YVQaas.rst

@@ -0,0 +1,2 @@
+Add :rfc:`9559` MIME types for Matroska audiovisual container formats. Patch
+by Hugo van Kemenade.