Added File.content_bytes

Author: michalpokusa

adafruit_httpserver/request.py

@@ -94,6 +94,25 @@ def __init__(
         self.content_type = content_type
         self.content = content
 
+    @property
+    def content_bytes(self) -> bytes:
+        """
+        Content of the file as bytes.
+        It is recommended to use this instead of ``content`` as it will always return bytes.
+
+        Example::
+
+            file = request.form_data.files.get("uploaded_file")
+
+            with open(file.filename, "wb") as f:
+                f.write(file.content_bytes)
+        """
+        return (
+            self.content.encode("utf-8")
+            if isinstance(self.content, str)
+            else self.content
+        )
+
     @property
     def size(self) -> int:
         """Length of the file content."""