mik-laj commented on a change in pull request #4891: Telegram hook/operator to
post messages to telegram channels
URL: https://github.com/apache/airflow/pull/4891#discussion_r264048315
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File path: airflow/contrib/hooks/telegram_hook.py
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@@ -0,0 +1,88 @@
+import telegram
+from time import sleep
+from airflow.hooks.base_hook import BaseHook
+from airflow.exceptions import AirflowException
+
+
+def telegram_retry(func, *args, **kwargs):
+ max_retries = kwargs.pop("max_retries", 5)
+ retry_sleep = kwargs.pop("retry_sleep", 0)
+ # perform request with retry
+ for retry in range(max_retries):
+ try:
+ return func(*args, **kwargs)
+ except (telegram.error.TimedOut,) as e:
+ if retry_sleep:
+ sleep(retry_sleep)
+
+
+class TelegramHook(BaseHook):
+ """
+ Interact with Telegram, using python-telegram-bot library.
+ """
+
+ def __init__(self, token=None, telegram_conn_id=None, chat_id=None):
+ """
+ Takes both telegram bot API token directly and connection that has
telegram bot API token.
+ If both supplied, telegram API token will be used.
Review comment:
```suggestion
If both supplied, telegram API token will be used.
```
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