forker.py

from github import Github, GithubException
import json
from datetime import datetime
import os


def main(token):
  g = Github(token)

  alphagov = g.get_organization('alphagov')
  mirror = g.get_organization('alphagov-mirror')

  count=0
  names = []

  for repo in alphagov.get_repos('all'):
    names.append(repo.name)
    try:
      mirror.create_fork(repo)
    except GithubException as e:
      print("Skipping %s, got error: %s"%(repo.name, e))
    count += 1

    if count % 10 == 0:
      print("%d done"%count)

  print("imported %d repositories"%count)

  out_file_name = "out-%s.json"%datetime.now()
  print("Writing %s"%out_file_name)
  with open(out_file_name, "w") as out_file:
    json.dump(names, out_file)

if __name__ == '__main__':
  main(os.getenv("GITHUB_TOKEN"))