telegram bot to send msg to users

.gitignore

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+local_settings.py

bot.py

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+from telegram.ext import Application
+from telegram.ext import CommandHandler
+import syms as _bot_syms
+
+async def bot_start(update, context):
+  chat_id = update.effective_chat.id
+  await update.message.reply_text(f'wb_alert bot: <code>{chat_id}</code>', parse_mode='HTML')
+  print(f'alert_bot bot_start: {chat_id}')
+
+def main():
+  application = Application.builder().token(_bot_syms.TOKEN).build()
+  application.add_handler(CommandHandler('start', bot_start))
+
+  print('alert_bot main: Bot is running...')
+  application.run_polling()
+
+if __name__ == '__main__':
+  main()

local_settings.py

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+TOKEN= '8381960173:AAFfHKWUNu8WMAAf1dvTnrDraING_ZNTY8k'
+USERS= ['245431596']

msg_sender.py

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+import requests as _rqsts
+import syms as _bot_syms
+
+
+def _wb_telegram_send_alert(message: str):
+  users= _bot_syms.USERS
+  
+  for user in users:
+    print(f"wb_alert_bot _wb_telegram_send_alert: sending message to {user}...")
+    payload = {
+        'chat_id': user,
+        'text': message,
+        'parse_mode': 'Markdown'
+    }
+
+    try:
+      res = _rqsts.post(_bot_syms.TELEGRAM_API_URL, data=payload, timeout=3)
+      res.raise_for_status()
+      
+      jres = res.json()
+      if jres.get('ok'):
+        print(f"wb_alert_bot _wb_telegram_send_alert: message sent to {user}!")
+      else:
+        print(f"wb_alert_bot _wb_telegram_send_alert: Message not sent to {user}: {jres}")
+            
+    except _rqsts.exceptions.RequestException as e:
+      print(f"wb_alert_bot _wb_telegram_send_alert: Connection error: {e}")
+
+def wb_telegram_send_alert(msg):
+  _wb_telegram_send_alert(msg)

requirements/requirements.txt

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+python-telegram-bot[job-queue]==22.5
+requests==2.32.5

syms.py

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+try:
+  from local_settings import TOKEN
+except:
+  print('alert_bot FATAL: add bot token here: local_settings.py')
+  TOKEN= ''
+
+try:
+  from local_settings import USERS
+except:
+  print('alert_bot FATAL: add bot users here: local_settings.py')
+  USERS= []
+
+TELEGRAM_API_URL = f'https://api.telegram.org/bot{TOKEN}/sendMessage'