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click-app cookiecutter template

Cookiecutter template for creating new Click command-line tools.

Use this template on your own machine with cookiecutter, or create a brand new repository based on this template entirely through the GitHub web interface using click-app-template-repository.


You'll need to have cookiecutter installed. I recommend pipx for this:

pipx install cookiecutter

Regular pip will work OK too.


Three examples of tools that were initially created using this template:

  • shot-scraper: A comand-line utility for taking automated screenshots of websites
  • s3-credentials: A tool for creating credentials for accessing S3 buckets
  • git-history: Tools for analyzing Git history using SQLite


Run cookiecutter gh:simonw/click-app and then answer the prompts. Here's an example run:

$ cookiecutter gh:simonw/click-app
app_name []: click app template demo
description []: Demonstrating
hyphenated [click-app-template-demo]: 
underscored [click_app_template_demo]: 
github_username []: simonw
author_name []: Simon Willison

I strongly recommend accepting the suggested value for "hyphenated" and "underscored" by hitting enter on those prompts.

This will create a directory called click-app-template-demo - the tool name you enter is converted to lowercase and uses hyphens instead of spaces.

See for the output of this example.

Developing your command-line tool

Having created the new structure from the template, here's how to start working on the tool.

If your tool is called my-new-tool, you can start working on it like so:

cd my-new-tool
# Create and activate a virtual environment:
python3 -m venv venv
source venv/bin/activate
# Install dependencies so you can edit the project:
pip install -e '.[test]'
# With zsh you have to run this again for some reason:
source venv/bin/activate
# Confirm your tool can be run from the command-line
my-new-tool --version

You should see the following:

my-new-tool, version 0.1

You can run the default test for your tool like so:


This will execute the test in tests/

Now you can open the my_new_tool/ file and start adding Click commands and groups.

Creating a Git repository for your tool

You can initialize a Git repository for your tool like this:

cd my-new-tool
git init
git add .
git commit -m "Initial structure from template"
# Rename the 'master' branch to 'main':
git branch -m master main

Publishing your tool to GitHub

Use to create a new GitHub repository sharing the same name as your tool, which should be something like my-new-tool.

Push your main branch to GitHub like this:

git remote add origin
git push -u origin main

The template will have created a GitHub Action which runs your tool's test suite against every commit.

Publishing your tool as a package to PyPI

The template also includes an Action for publishing packages to PyPI.

To use this action, you need to create a PyPI account and an API token against that account.

Once you have created your account, navigate to and create an API token. For initial publication of the package you will need to set the scope of the token to "Entire account (all projects)".

Add that token to your repository as a GitHub secret called PYPI_TOKEN. You can find this in the "Settings -> Secrets -> New Secret" area of the repository. The token should begin with the string pypi-.

Now, any time you create a new "Release" on GitHub the Action will build your package and push it to PyPI. The tag for the new release needs to match the VERSION string at the top of your file.

After the first release has gone out you can create a new PyPI API token that is scoped just to that project and use that to replace the PYPI_TOKEN secret in your GitHub repository settings.


Cookiecutter template for creating new Click command-line tools







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