Fix: Wrong method in example and .json() for non-POST requests

Author: michalpokusa

adafruit_httpserver/request.py

@@ -302,8 +302,8 @@ def form_data(self) -> Union[FormData, None]:
         return self._form_data
 
     def json(self) -> Union[dict, None]:
-        """Body of the request, as a JSON-decoded dictionary."""
-        return json.loads(self.body) if self.body else None
+        """Body of the request, as a JSON-decoded dictionary. Only available for POST requests."""
+        return json.loads(self.body) if (self.body and self.method == "POST") else None
 
     @property
     def _raw_header_bytes(self) -> bytes:

examples/httpserver_neopixel.py

@@ -60,7 +60,7 @@ def change_neopixel_color_handler_post_json(request: Request):
 # You can always manually create a Route object and import or register it later.
 # Using this approach you can also use the same handler for multiple routes.
 post_json_route = Route(
-    "/change-neopixel-color/json", GET, change_neopixel_color_handler_post_json
+    "/change-neopixel-color/json", POST, change_neopixel_color_handler_post_json
 )