Make sure message has media.

.gitignore

@@ -3,6 +3,9 @@
 .env
 *.pyc
 __pycache__
-config.ini
 config.py
 tgchannel2toot.session
+downloads/
+nohup.out
+unknown_errors.txt
+tgchannel2toot.session-journal

README.md

@@ -6,15 +6,14 @@ To make it work, do the following:
 
     $ git clone https://gitlab.com/danialbehzadi/tgchannel2toot.git
     $ cd tgchannel2toot
-    $ virtualenv -p python3 --no-site-packages --distribute .env
+    $ python3 -m venv .env
     $ source .env/bin/activate
     (.env)$ pip3 install -r requirements.txt
 
 Config
 ======
-Make a copy of each config file:
+Make a copy of config file:
 
-    (.env)$ cp config.ini.temp config.ini
     (.env)$ cp config.py.temp config.py
 
 Fill out config files.

config.ini.temp

@@ -1,3 +0,0 @@
-[pyrogram]
-api_id = 12345
-api_hash = 0123456789abcdef0123456789abcdef

config.py.temp

@@ -1,3 +1,6 @@
 channel_id = 'iranFSevents'
 access_token = '5He72z-Dz6DEruFjvAVYL8ieTRhha5xPwkLGv19rfgA'
 instance = 'https://botsin.space'
+character_limit = 500
+api_id = 12345
+api_hash = 0123456789abcdef0123456789abcdef

run.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
+# Released under GPLv3+ License
+# Danial Behazdi <dani.behzi@ubuntu.com>, 2018-2021
+
 export SHELL=/bin/bash
+cd "$( dirname "${BASH_SOURCE[0]}" )"
 source .env/bin/activate
-./tgchannel2toot.py
+python3 tgchannel2toot.py

tgchannel2toot.py

@@ -1,49 +1,85 @@
-#! /usr/bin/env python3
-# Danial Behzadi - 2018
-# Released under GPLV3+
+#!/usr/bin/python3
+# Released under GPLv3+ License
+# Danial Behazdi <dani.behzi@ubuntu.com>, 2018-2021
+
+"""
+Listen for a new post on a Telegram channel
+And post them on Mastodon
+"""
+
+import os
+
+import pyrogram
+import mastodon
 
 import config
-import os
-from pyrogram import Client
-from mastodon import Mastodon
+
+
+def splitext(text: str):
+    """
+    split text into parts
+    """
+    limit = config.character_limit
+    result = [
+        text[limit * part : limit * (part + 1)]
+        for part in range(len(text) // limit + 1)
+    ]
+    return result
+
 
 def get_text_and_media(message):
+    """
+    returns the text and media from post
+    """
     text = " "
     media = None
-    if message['text']:
-        text = message['text']
-    elif message['media']:
-        text = message['caption']
+    if hasattr(message, "media") and message.media:
+        text = message.caption
         media = message.download()
-    return text, media
+    elif hasattr(message, "text"):
+        text = message.text
+    return splitext(text), media
+
 
 def connect():
-    mastodon = Mastodon(
-            access_token = config.access_token,
-            api_base_url = config.instance
+    """
+    initialize mastodon
+    """
+    mast = mastodon.Mastodon(
+        access_token=config.access_token, api_base_url=config.instance
     )
-    return mastodon
+    return mast
+
 
 def main():
-    telegram = Client("tgchannel2toot")
+    """
+    main function
+    """
+    telegram = pyrogram.Client(
+        "tgchannel2toot", api_id=config.api_id, api_hash=config.api_hash
+    )
     mastodon = connect()
 
     @telegram.on_message()
     def check_message(client, message):
-        chat = message['chat']
+        chat = message.chat
 
-        if chat['type'] == 'channel':
-            if chat['username'] == config.channel_id:
+        if chat.type==pyrogram.enums.ChatType.CHANNEL:
+            if chat.username == config.channel_id:
                 text, media = get_text_and_media(message)
                 if media:
-                    media_id = mastodon.media_post(media)
-                    mastodon.status_post(text, media_ids=media_id)
+                    mid = mastodon.media_post(media)
                     os.remove(media)
                 else:
-                    mastodon.toot(text)
+                    mid = None
+                post = mastodon.status_post(text[0], media_ids=mid)
+                for part in range(1, len(text)):
+                    post = mastodon.status_post(
+                        text[part], in_reply_to_id=post["id"]
+                    )
 
-    telegram.start()
-    telegram.idle()
+    telegram.run()
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     main()