initial commit

Procfile

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+worker: python3 rss.py

README.md

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+# RSS Feed Telegram Bot
+A bot to post messages to Telegram Groups or Channels from rss feed.
+
+### Configuration
+- Edit the [rss.py](./rss.py) as your needs.
+- Edit values in [rss.py](./rss.py) or set it in Environment Variables. If you are using Environment Variables, Add a `ENV` var to anything to enable Environment Variables Mode.
+
+### Configuration Values
+- `APP_ID` - Get it from [my.telegram.org](https://my.telegram.org/apps)
+- `API_HASH` - Get it from [my.telegram.org](https://my.telegram.org/apps)
+- `BOT_TOKEN` - Get it by creating a Telegram bot on [BotFather](https://t.me/BotFather)
+- `FEED_URL` - URL of RSS Feed
+- `LOG_CHANNEL` - ID of the Telegram Channel where messages are to be posted.
+- `INTERVAL` - Checking Interval in seconds. (optional)
+- `MAX_INSTANCES` - Max instances to be used while checking rss feed. (optional)
+
+### Deployment
+- Install requirements from [requirements.txt](./requirements.txt)
+```
+pip3 install requirements.txt
+```
+- Deploy
+```
+python3 rss.py
+```
+
+## Copyright & License
+- Copyright (©) 2021 by [Adnan Ahmad](https://github.com/viperadnan-git)
+- Licensed under the terms of the [GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007](./LICENSE)

requirements.txt

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+pyrogram==1.0.1
+feedparser
+apscheduler
+pickledb

rss.py

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+import os
+import pickledb # You can use any other database too. Use SQL if you are using Heroku Postgres.
+import feedparser
+from time import sleep, time
+from pyrogram import Client, filters
+from pyrogram.errors import FloodWait
+from apscheduler.schedulers.background import BackgroundScheduler
+
+
+api_id = ""   # Get it from my.telegram.org
+api_hash = ""   # Get it from my.telegram.org
+feed_url = ""   # RSS Feed URL of the site.
+bot_token = ""   # Get it by creating a bot on https://t.me/botfather
+log_channel = ""   # Telegram Channel ID where the bot is added and have write permission. You can use group ID too.
+check_interval = 5   # Check Interval in seconds.  
+max_instances = 5   # Max parallel instance to be used.
+if os.environ.get("ENV"):   # Add a ENV in Environment Variables if you wanna configure the bot via env vars.
+  api_id = os.environ.get("APP_ID")
+  api_hash = os.environ.get("API_HASH")
+  feed_url = os.environ.get("FEED_URL")
+  bot_token = os.environ.get("BOT_TOKEN")
+  log_channel = int(os.environ.get("LOG_CHANNEL", None))
+  check_interval = int(os.environ.get("INTERVAL", 5))
+  max_instances = int(os.environ.get("MAX_INSTANCES", 5))
+
+db = pickledb.load('rss.db', True)
+if db.get("feed_url") == None:
+  db.set("feed_url", "*")
+app = Client("rss-bot", api_id=api_id, api_hash=api_hash, bot_token=bot_token)
+
+def check_feed():
+    FEED = feedparser.parse(feed_url)
+    entry = FEED.entries[0]
+    if entry.id != db.get("feed_url"):
+
+                   # ↓ Edit this message as your needs.
+      message = f"**{entry.title}**\n```{entry.link}```"
+
+      try:
+        app.send_message(log_channel, message)
+        db.set("feed_url", entry.id)
+      except FloodWait as e:
+        print(f"FloodWait: {e.x} seconds")
+        sleep(e.x)
+      except Exception as e:
+        print(e)
+    else:
+      print(f"Checked RSS FEED: {entry.id}")
+
+
+
+scheduler = BackgroundScheduler()
+scheduler.add_job(check_feed, "interval", seconds=check_interval, max_instances=max_instances)
+scheduler.start()
+app.run()