slack webhook in python

basic_message.py

import json

import requests

# this file exists on mgmt control. reading from a file avoids having to
# template the token into the script.
with open('/usr/local/etc/slack_token') as f:
    token = json.loads(f.read())['slack_token']

headers = {'Content-type': 'application/json', 'Accept': 'text/plain'}
url = "https://hooks.slack.com/services/" + token

# simple way
payload = {
    # optional
    "icon_emoji": ":bob_ross:",
    "username": "bob the bot",

    "channel": "#support-python",
    "text": "hello slack",
}

try:
    r = requests.post(url, json=payload, headers=headers)
    r.raise_for_status()
    print(r.text)
except requests.exceptions.RequestException as e:
    raise

fancier_message.py

import json

import requests

# this file exists on mgmt control. reading from a file avoids having to
# template the token into the script.
with open('/usr/local/etc/slack_token') as f:
    token = json.loads(f.read())['slack_token']

headers = {'Content-type': 'application/json', 'Accept': 'text/plain'}
url = "https://hooks.slack.com/services/" + token

# alternative - adds a green bar next to the message
payload = {
    'icon_emoji': ":bob_ross:",
    'channel': '#support-python',
    'username': "bob the bot",
    # optional - adds a bar next to the message
    'attachments': [{
        'text': "everything is fine i promise",
        # the color of the bar
        'color': 'good'
    }],
    # makes this optional (otherwise posts the text above the "attachment")
    "text": "hello slack!",
}

try:
    r = requests.post(url, json=payload, headers=headers)
    r.raise_for_status()
    print(r.text)
except requests.exceptions.RequestException as e:
    raise