unassign_reviewers.py

#!/usr/bin/env python3

from pprint import pprint
import sys

import requests

TOKEN = '' # replace
OWNER = 'benchling'
REPO = 'aurelia'

def main():
	pr_number = sys.argv[1]
	reviewers_url = f'https://api.github.com/repos/{OWNER}/{REPO}/pulls/{pr_number}/requested_reviewers'
	headers = {
		'Authorization': f'Bearer {TOKEN}',
		'Accept': 'application/vnd.github.v3+json',
		'X-GitHub-Api-Version': '2022-11-28',
	}
	response = requests.get(reviewers_url, headers=headers)
	response.raise_for_status()
	reviewers = response.json()

	reviewers_to_unassign = [u['login'] for u in reviewers.get('users', [])]
	teams_to_unassign = [t['slug'] for t in reviewers.get('teams', [])]
	unassign_data = {
		'reviewers': reviewers_to_unassign,
		'team_reviewers': teams_to_unassign,
	}
	pprint(unassign_data)

	if len(reviewers_to_unassign) + len(teams_to_unassign) == 0:
		sys.exit('no reviewers to unassign')
	response = requests.delete(reviewers_url, headers=headers, json=unassign_data)
	response.raise_for_status()
	print(f'all reviewers have been unassigned from PR #{pr_number}')

if __name__ == '__main__':
	main()