Slack Python Incomming Webhook API

gistfile1.txt

import re
                               
import requests                

DEFAULT_TIMEOUT = 10           


class IncomingWebhook(object): 
    """
    https://api.slack.com/incoming-webhooks
    https://api.slack.com/docs/message-formatting
    """

    def __init__(self, url=None, timeout=DEFAULT_TIMEOUT):
        self.url = url
        self.timeout = timeout

    def post(self, data):
        """
        Posts message with payload formatted in accordance with
        this documentation https://api.slack.com/incoming-webhooks
        """
        if not self.url:
            raise Exception('URL for incoming webhook is undefined')

        resp = requests.post(self.url, json=data,
                             timeout=self.timeout)           
        if resp.ok:
            return resp
        else:
            raise Exception(resp.text)      

    def message(self, text,
                username=None,
                icon_emoji=None,                
                icon_url=None,
                channel=None):
        data = {
            "text": text,
        }
        if username:
            data["username"] = username     
        if icon_emoji and icon_url:     
            raise Exception("Please provide either icon_emoji or icon_url, not both")  # noqa
        if icon_emoji:
            if not re.match(r'^:[\w-]+:$', icon_emoji):
                raise Exception("Please provide a valid emjoi")
            data["icon_emoji"] = icon_emoji 
        if icon_url:
            data["icon_url"] = icon_url     
        if channel:
            data["channel"] = channel       
        return self.post(data)