Send logging to slack by webhook

slack-logger.py

# coding: utf-8

import json
import logging
import requests


class SlackHandler(logging.Handler):
    def __init__(self, url, channel, username='error', emoji='scream'):
        super(SlackHandler, self).__init__()
        self._slack_url = url
        self._slack_channel = channel
        self._slack_username = username
        self._slack_emoji = emoji

    def emit(self, record):
        msg = self.format(record)
        url = self._slack_url
        payload = json.dumps({
            "channel": self._slack_channel,
            "username": self._slack_username,
            "text": msg,
            "icon_emoji": ":%s:" % self._slack_emoji,
        })
        headers = {'Content-Type': 'application/json'}
        requests.post(url, data=payload, headers=headers, timeout=5)