html template working with jinja templates

src/media.py

@@ -3,8 +3,7 @@ from __future__ import annotations
 from ast import List
 from typing import Any, Union, Dict
 from dataclasses import dataclass
-from datetime import datetime
-import json
+import mimetypes
 
 
 @dataclass
@@ -12,5 +11,11 @@ class Media:
     filename: str
     key: str = None
     cdn_url: str = None
+    mimetype: str = None  # eg: image/jpeg
     # id: str = None
     # hash: str = None # TODO: added by enrichers
+
+    def set_mimetype(self) -> Media:
+        if not self.mimetype:
+            self.mimetype = mimetypes.guess_type(self.filename)[0]
+        return self