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py-hub

Python3 library which wraps common GitHub API operations used across a lot of tooling

Installation

pipenv install git+git://github.com/rewardStyle/py-hub.git#egg=hub
# To install and lock all dependencies properly, install a specific sha:
pipenv install -e git+git://github.com/rewardStyle/py-hub.git@<GIT_SHA>#egg=hub

Use Cases

Use when creating a Python3 tool which requires sensitive information ( such as API tokens ) to be supplied to the application at runtime. This information can be supplied as an environment variable, in an .env file, or with flags as direct arguments to the application on the command line.

import hub

# Normally this would be supplied via command line, .env file, or env var
github_token='a valid github auth token'

def main():
    # Instantiate an object capable of performing the necessary operations
    # NOTE - To avoid hitting API rate limits, each API operation has a delay,
    #        as defined by API_RATE_LIMIT_PAUSE_SECONDS in github/main.py
    gh = hub.GitHub(github_token)

    active_repos = gh.get_all_repos()

    all_repos = gh.get_all_repos(ignore_archived=False)

    active_repos_sorted = gh.get_all_repos(sort_by_last_push=True)

    repo = gh.get_repo('ltk-web')
    print( f"{repo.name} was created at {repo.created_at}" )
    dir(repo)

    cf_template = repo.get_file_contents('cloudformation/template.yml')

    print( f"It has been {repo.get_days_since_last_push()} days since anyone's pushed to the repo" )


if __name__ == '__main__':
    main()

Testing

pipenv run python test.py

The WHYs

Why was this module developed ?

DevOps tooling, particularly in the context of metrics and reporting, often requires up-to-date information on the state of the Engineering organization's repos.

In fact, a common pattern is to dynamically generate a list of active ( non-archived ) repos, either to perform operations on, or to test against.

This pattern relies on pygithub and gitpython, and pops up in a number of devops-tools. By developing this library, the functionality can be added to whichever tools need it, while ensuring a consistent experience. This also ensures that maintenance is simplified, as this library becomes the one source of truth for this functionality.