Add advanced_echo2 example

examples/advanced_echo2.py

@@ -0,0 +1,55 @@
+from pyrogram import Client
+from pyrogram.api import types
+
+"""This example is similar to advanced_echo.py, except for the fact that it will reply to Supergroup text messages only.
+
+Beware! This script will make you reply to ALL new messages in every single supergroup you are in.
+Make sure you add an extra check to filter them:
+
+# Filter Supergroups by ID
+if message.to_id.channel_id == MY_SUPERGROUP_ID:
+    ...
+
+# Filter Supergroups by Username
+if chats[message.to_id.channel_id].username == MY_SUPERGROUP_USERNAME:
+    ...
+"""
+
+
+def update_handler(client, update, users, chats):
+    # Channels and Supergroups share the same type (Channel). The .megagroup field is used to tell them apart, and is
+    # True for Supegroups, False for Channels.
+    if isinstance(update, types.UpdateNewChannelMessage):  # Filter by UpdateNewChannelMessage (Channels/Supergroups)
+        message = update.message
+
+        if isinstance(message, types.Message):  # Filter by Message to exclude MessageService and MessageEmpty
+            if chats[message.to_id.channel_id].megagroup:  # Only handle messages from Supergroups not Channels
+                text = '[{}](tg://user?id={}) said "{}" in **{}** supergroup'.format(
+                    users[message.from_id].first_name,
+                    users[message.from_id].id,
+                    message.message,
+                    chats[message.to_id.channel_id].title
+                )
+
+                client.send_message(
+                    message.to_id,
+                    text,
+                    reply_to_message_id=message.id
+                )
+
+
+def main():
+    # Pyrogram setup
+    client = Client("example")
+
+    # Set the update_handler callback function
+    client.set_update_handler(update_handler)
+    client.start()
+
+    # Blocks the program execution until you press CTRL+C then
+    # automatically stops the Client by closing the underlying connection
+    client.idle()
+
+
+if __name__ == "__main__":
+    main()