core/homeassistant/components/notify/slack.py

59 lines
1.7 KiB
Python

"""
Slack platform for notify component.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/notify.slack/
"""
import logging
from homeassistant.components.notify import DOMAIN, BaseNotificationService
from homeassistant.const import CONF_API_KEY
from homeassistant.helpers import validate_config
REQUIREMENTS = ['slacker==0.6.8']
_LOGGER = logging.getLogger(__name__)
# pylint: disable=unused-variable
def get_service(hass, config):
"""Get the Slack notification service."""
import slacker
if not validate_config({DOMAIN: config},
{DOMAIN: ['default_channel', CONF_API_KEY]},
_LOGGER):
return None
try:
return SlackNotificationService(
config['default_channel'],
config[CONF_API_KEY])
except slacker.Error:
_LOGGER.exception(
"Slack authentication failed")
return None
# pylint: disable=too-few-public-methods
class SlackNotificationService(BaseNotificationService):
"""Implement the notification service for Slack."""
def __init__(self, default_channel, api_token):
"""Initialize the service."""
from slacker import Slacker
self._default_channel = default_channel
self._api_token = api_token
self.slack = Slacker(self._api_token)
self.slack.auth.test()
def send_message(self, message="", **kwargs):
"""Send a message to a user."""
import slacker
channel = kwargs.get('channel', self._default_channel)
try:
self.slack.chat.post_message(channel, message)
except slacker.Error:
_LOGGER.exception("Could not send slack notification")