get chat_id and thread_id from caller

.gitignore

@@ -0,0 +1 @@
+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
+  try: thread_id= update.message.message_thread_id
+  except: thread_id= None
+  txt= f'wb_alert bot: <code>{chat_id}</code>'
+  if thread_id: txt= f'wb_alert bot: <code>{chat_id}</code> thread: <code>{thread_id}</code>'
+  await update.message.reply_text(txt, 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()

msg_sender.py

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+import requests as _rqsts
+import syms as _bot_syms
+
+
+def _wb_telegram_send_alert(message, chat_id, thread_id= None):
+  print(f"wb_alert_bot _wb_telegram_send_alert: sending message to {chat_id}, {thread_id}...")
+  payload = {
+      'chat_id': chat_id,
+      'text': message,
+      'parse_mode': 'Markdown',
+  }
+  if thread_id: payload['message_thread_id']= thread_id
+
+  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 {chat_id}, {thread_id}!")
+    else:
+      print(f"wb_alert_bot _wb_telegram_send_alert: Message not sent to {chat_id}, {thread_id}: {jres}")
+          
+  except _rqsts.exceptions.RequestException as e:
+    print(f"wb_alert_bot _wb_telegram_send_alert: Connection error {chat_id}, {thread_id}: {e}")
+
+
+def wb_telegram_send_alert(msg, chat_id, thread_id= None):
+  _wb_telegram_send_alert(msg, chat_id, thread_id)
+
+
+def wb_telegram_send_alert_debug(msg):
+  users= _bot_syms.USERS
+  for user in users:
+    chat_id= user[0]
+    thread_id= user[1]
+    _wb_telegram_send_alert(msg, chat_id, thread_id)

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'