Source code for airflow.providers.telegram.operators.telegram

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"""Operator for Telegram."""

from __future__ import annotations

from typing import TYPE_CHECKING, Sequence

from airflow.exceptions import AirflowException
from airflow.models import BaseOperator
from airflow.providers.telegram.hooks.telegram import TelegramHook

    from airflow.utils.context import Context

[docs]class TelegramOperator(BaseOperator): """ This operator allows you to post messages to Telegram using Telegram Bot API. Takes both Telegram Bot API token directly or connection that has Telegram token in password field. If both supplied, token parameter will be given precedence. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:TelegramOperator` :param telegram_conn_id: Telegram connection ID which its password is Telegram API token :param token: Telegram API Token :param chat_id: Telegram chat ID for a chat/channel/group :param text: Message to be sent on telegram :param telegram_kwargs: Extra args to be passed to telegram client """
[docs] template_fields: Sequence[str] = ("text", "chat_id")
[docs] ui_color = "#FFBA40"
def __init__( self, *, telegram_conn_id: str = "telegram_default", token: str | None = None, chat_id: str | None = None, text: str = "No message has been set.", telegram_kwargs: dict | None = None, **kwargs, ): self.chat_id = chat_id self.token = token self.telegram_kwargs = telegram_kwargs or {} self.text = text if telegram_conn_id is None: raise AirflowException("No valid Telegram connection id supplied.") self.telegram_conn_id = telegram_conn_id super().__init__(**kwargs)
[docs] def execute(self, context: Context) -> None: """Call the TelegramHook to post the provided Telegram message.""" if self.text: self.telegram_kwargs["text"] = self.text telegram_hook = TelegramHook( telegram_conn_id=self.telegram_conn_id, token=self.token, chat_id=self.chat_id, ) telegram_hook.send_message(self.telegram_kwargs)

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