explaingit

cakiki/knockknock

Analysis updated 2026-07-18 · repo last pushed 2021-05-20

Audience · researcherComplexity · 1/5DormantSetup · easy

TLDR

A tiny Python library that sends you a notification (Slack, email, Telegram, and more) when a long-running training job finishes or crashes, so you don't have to keep checking the terminal.

Mindmap

mindmap
  root((repo))
    What it does
      Notifies on job finish
      Notifies on crash
      Wraps function with decorator
      Sends result summary
    Tech stack
      Python
      Decorators
    Use cases
      Long ML training runs
      Remote server jobs
      Shell command monitoring
    Audience
      Researchers
      Data scientists
    Notification channels
      Slack and email
      Telegram and Discord
      Teams and SMS

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Get a Slack message the moment a 12-hour model training job finishes.

USE CASE 2

Receive an email notification if your training script crashes partway through.

USE CASE 3

Monitor a long shell command from the command line instead of a Python function.

USE CASE 4

Add a two-line decorator to an existing training script without restructuring your code.

What is it built with?

Python

How does it compare?

cakiki/knockknock0verflowme/alarm-clock0verflowme/seclists
Language—CSS—
Last pushed2021-05-202022-10-032020-05-03
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity1/52/51/5
Audienceresearchervibe coderops devops

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Each notification channel needs its own webhook or API token from that service, usually free to set up.

Copy-paste prompts

Prompt 1
Add a knockknock Slack decorator to my Python training function so I get notified when it finishes.
Prompt 2
Show me how to set up knockknock to email me if my script crashes.
Prompt 3
Use knockknock from the command line to monitor a long-running shell command.
Prompt 4
Compare setting up knockknock with Telegram versus Discord notifications.
Prompt 5
Explain what information knockknock includes in its notification when my training function returns a result.

Frequently asked questions

What is knockknock?

A tiny Python library that sends you a notification (Slack, email, Telegram, and more) when a long-running training job finishes or crashes, so you don't have to keep checking the terminal.

Is knockknock actively maintained?

Dormant — no commits in 2+ years (last push 2021-05-20).

How hard is knockknock to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is knockknock for?

Mainly researcher.

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