This gist takes any parameters as message and sends to the channel

Slack_send_message.py

import requests
import sys
import getopt

def send_slack_message(message):
    payload = '{"text": "%s"}' % message
    response = requests.post("https://hooks.slack.com/services/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", 
                             data = payload)
    print(response.text)

def main(argv):

    message = ''

    try: opts, args = getopt.getopt(argv, "hm:", ["message="])

    except getopt.GetoptError:
        print("Monitor_balance.py -m <message>")
        sys.exit(2)

    if len(opts) == 0:
        message = "yo"

    for opt, arg in opts:
        if opt == "-h":
            print("Monitor_balance.py -m <message>")
            sys.exit()
        elif opt in ("-m", "--message"):
            message = arg
    
    send_slack_message(message)

if __name__ == "__main__":
    main(sys.argv[1:])