Call mimetypes.guess_type with parameter strict=False

CHANGES.rst

@@ -7,6 +7,12 @@
 
 - Add some more MIME types and extensions.
 
+- Call ``mimetypes.guess_type`` with parameter ``strict=False``. This
+  recognizes a few more content types related to ``midi``, ``pict``,
+  ``xul`` and ``rtf``;
+  for details, see
+  `#14 <https://github.com/zopefoundation/zope.contenttype/issues/7>`_.
+
 
 5.0 (2023-03-27)
 ================

src/zope/contenttype/__init__.py

@@ -74,7 +74,7 @@ def guess_content_type(name='', body=b'', default=None):
     # Attempt to determine the content type (and possibly
     # content-encoding) based on an an object's name and
     # entity body.
-    type, enc = mimetypes.guess_type(name)
+    type, enc = mimetypes.guess_type(name, strict=False)
     if type is None:
         if body:
             if find_binary(body) is not None:

src/zope/contenttype/tests/testContentTypes.py

@@ -59,6 +59,8 @@ def test_guess_content_type(self):
         self.assertEqual(ctype, "application/octet-stream")
         ctype, _encoding = guess_content_type()
         self.assertEqual(ctype, "text/x-unknown-content-type")
+        ctype, _encoding = guess_content_type("abc.rtf")
+        self.assertEqual(ctype, "application/rtf")
 
     def test_add_one_file(self):
         from zope.contenttype import add_files