A Python script for piping output from the command line to a Slack channel
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README.md
screenshot.png
slackcmd.py

README.md

slackcmd

A Python script for piping output from the command line to a Slack channel.

Example

ls | python slackcmd.py -c '#myChannel' 

Would pipe the contents of the current directory to the channel #myChannel.

Installation

Just throw the slackcmd.py script somewhere in your path, and make sure the requests library for Python is installed. If you have pip, then it's as easy as:

pip install requests

Alternatively, in the code there is commented out equivalent standard library implementations, but this isn't really supported or tested.

Usage

usage: slackcmd.py [-h] [-u URL] -c CHANNEL [-n USER] [-e EMOJI]

Talk to Slack

optional arguments:
  -h, --help            show this help message and exit
  -u URL, --url URL     Slack Incoming Webhooks integration webhook URL. If
                        the environment variable SLACK_WEBHOOK_URL is set,
                        will read this value from there
  -c CHANNEL, --channel CHANNEL
                        Channel to post to
  -n USER, --user USER  Name of the user to post as, defaults to "CmdLine"
  -e EMOJI, --emoji EMOJI
                        Emoji to use for the message

To find your webhooks URL, in Slack add the "Incoming Webhooks" integration, and in the instructions will be given a "Webhook URL". This is the URL to use. Here's a screenshot showing where to get it:

screenshot

You can either specify this URL on the command-line via the -u switch, but it's much more convenient to set the SLACK_WEBHOOK_URL environment variable. On a *nix environment adding something like:

SLACK_WEBHOOK_URL="https://pzelnip.slack.com/services/hooks/incoming-webhook?token=Ta4BRUMStaB5ahT4Y76eT1Hi"
export SLACK_WEBHOOK_URL

To your .bashrc would do the trick. On a Windows box, opening up a command prompt and doing something like:

set SLACK_WEBHOOK_URL=https://pzelnip.slack.com/services/hooks/incoming-webhook?token=Ta4BRUMStaB5ahT4Y76eT1Hi

would work.