Move file_type prefix to media.py (#588)

* Fixing header location for IDing webms

* Adding type_prefix to differentiate between image and video media types

* Removing 'image/' prefix from send_media file_type to support videos

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update steam/http.py

* Update steam/media.py

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: James Hilton-Balfe <[email protected]>

steam/http.py

@@ -1102,7 +1102,7 @@ async def send_media(self, media: Media, **kwargs: int) -> None:
             "file_sha": media.hash(contents),
             "file_image_width": media.width,
             "file_image_height": media.height,
-            "file_type": f"image/{media.type}",
+            "file_type": media.type,
         }
         resp = await self.post(URL.COMMUNITY / "chat/beginfileupload", data=payload)
 

steam/media.py

@@ -76,8 +76,10 @@ def __init__(self, fp: MediaIO | StrOrBytesPath | int, *, spoiler: bool = False)
                 if check != 0x0D0A1A0A:
                     raise ValueError("Opened file's headers do not match a standard PNGs headers")
                 width, height = struct.unpack(">ii", headers[16:24])
+                type_prefix = "image"
             case "gif":
                 width, height = struct.unpack("<HH", headers[6:10])
+                type_prefix = "image"
             case "jpeg":
                 try:
                     self.fp.seek(self._tell)  # read 0xff next
@@ -93,17 +95,19 @@ def __init__(self, fp: MediaIO | StrOrBytesPath | int, *, spoiler: bool = False)
                     # we are at a SOFn block
                     self.fp.seek(1, 1)  # skip 'precision' byte.
                     height, width = struct.unpack(">HH", self.fp.read(4))
+                    type_prefix = "image"
                 except Exception as exc:
                     raise ValueError from exc
             case "webm" | "mp4" | "mpeg" | "ogv":
                 width, height = 0, 0
+                type_prefix = "video"
             case _:
                 raise TypeError("Unsupported file format passed")
-        self.type = type
+        self.type = f"{type_prefix}/{type}"
         self.spoiler = spoiler
         self.width = width
         self.height = height
-        self.name = f'{int(time())}_{getattr(self.fp, "name", f"media.{self.type}")}'
+        self.name = f'{int(time())}_{getattr(self.fp, "name", f"media.{type}")}'
 
     def __enter__(self) -> Self:
         return self