Implement m.image type in Client

matrix_client/client.py

@@ -171,6 +171,11 @@ class Room(object):
     def send_emote(self, text):
         return self.client.api.send_emote(self.room_id, text)
 
+    def send_image(self, text, image=None, url=None, mimetype="image/jpeg"):
+        if image:
+            url = self.client.api.upload_media(mimetype, image.read())["content_uri"]
+        return self.client.api.send_image(self.room_id, text, url)
+    
     def add_listener(self, callback):
         self.listeners.append(callback)