Add type and parameter fields to MediaType (#1103)

django-stubs/http/multipartparser.pyi

@@ -55,4 +55,4 @@ class Parser:
     def __init__(self, stream: LazyStream, boundary: bytes) -> None: ...
     def __iter__(self) -> Iterator[Tuple[str, Dict[str, Tuple[str, Dict[str, Union[bytes, str]]]], LazyStream]]: ...
 
-def parse_header(line: bytes) -> Tuple[str, Dict[str, Any]]: ...
+def parse_header(line: bytes) -> Tuple[str, Dict[str, bytes]]: ...

django-stubs/http/request.pyi

@@ -200,6 +200,9 @@ class _ImmutableQueryDict(QueryDict):
     def dict(self) -> Dict[str, str]: ...  # type: ignore[override]
 
 class MediaType:
+    main_type: str
+    sub_type: str
+    params: Dict[str, bytes]
     def __init__(self, media_type_raw_line: str) -> None: ...
     @property
     def is_all_types(self) -> bool: ...