Add EXCLUDED_MEDIA_TYPES setting

Closes #158.

docs/changelog.rst

@@ -16,6 +16,7 @@ Changelog
   *NOTE:* in order for this to work, you will have to add the new ``drf_yasg.inspectors.SerializerMethodFieldInspector``
   to your ``DEFAULT_FIELD_INSPECTORS`` array if you changed it from the default value
 
+- **ADDED:** added ``EXCLUDED_MEDIA_TYPES`` setting for controlling ``produces`` MIME type filtering (:issue:`158`)
 - **IMPROVED:** updated ``swagger-ui`` to version 3.18.0
 - **IMPROVED:** added ``operation_summary`` and ``deprecated`` arguments to ``swagger_auto_schema``
   (:issue:`149`, :issue:`173`)

docs/settings.rst

@@ -105,6 +105,14 @@ Paginator inspectors given to :func:`@swagger_auto_schema <.swagger_auto_schema>
 Swagger document attributes
 ===========================
 
+EXCLUDED_MEDIA_TYPES
+--------------------
+
+A list of keywords for excluding MIME types from ``Operation.produces``. Any MIME type string which includes one of
+the substrings in this list will be prevented from appearing in a ``produces`` array in the Swagger document.
+
+**Default**: :python:`['html']`
+
 .. _default-swagger-settings:
 
 DEFAULT_INFO