ynh-apps_tools/bot-repo-cleanup/cleanup.py

#!venv/bin/python3

# Obtained with `pip install PyGithub`, better within a venv
from github import Github
from github.Workflow import Workflow

# API token for yunohost-bot, with "delete_repo" right
g = Github(open(".github_token").read().strip())
u = g.get_user("yunohost-bot")

# Let's build a minimalistic summary table
print("| Repository ".ljust(22) + " | Decision |")
print("| ".ljust(22, '-')       + " | -------- |")

# For each repositories belonging to the bot (user `u`)
for repo in u.get_repos():
    # Proceed iff the repository is a fork (`parent` key is set) of a repository in our apps organization
    if repo.parent.full_name.split('/')[0] != "YunoHost-Apps":
        print("| "+repo.name.ljust(20) + " | Skipping |")
    else:
        # If none of the PRs are opened by the bot, delete the repository
        if not any([ (pr.user == u) for pr in list(repo.parent.get_pulls(state='open', sort='created')) ]):
            print("| "+repo.name.ljust(20) + " | Deleting |")
            repo.delete()
        else:
            print("| "+repo.name.ljust(20) + " | Keeping  |")