_0_calc_score.py

import datetime

hardcoded_issue_counts = {
  # https://code.djangoproject.com/query
  'django/django': 1424,

  # Laravel has no ticketing system?
  # Use core framework as proxy, assuming stars proportional to issues
  # https://github.com/laravel/framework/issues
  'laravel/laravel': 218,
}

# basically:
# stars * .01 + stars / days * 2 + stars / (non_self_issue_count) * 20

def calc_score(repo_dict, mean_stars_per_issue):
  repo_dict['score'] = repo_dict['stargazers_count'] * .01
  repo_dict['score'] += repo_dict['stargazers_count'] / (repo_dict['age'].days or 1) * 2

  if repo_dict['has_issues']:
    issue_count = (
      repo_dict['open_issues_count'] - repo_dict['pull_count'] - repo_dict['self_issue_count']
    )
  # (can hardcode issue counts for projects which don't use github for issues)
  elif repo_dict['full_name'] in hardcoded_issue_counts:
    issue_count = hardcoded_issue_counts[repo_dict['full_name']]
  else:
    issue_count = repo_dict['stargazers_count'] / mean_stars_per_issue
  repo_dict['issue_count'] = issue_count
  repo_dict['score'] += repo_dict['stargazers_count'] / (issue_count or 1) * 20
  return repo_dict['score']

fake_repo_dict = {
  'full_name': 'fake_user/fake_repo',
  'stargazers_count': 100,
  'has_issues': True,
  'open_issues_count': 10,
  'age': datetime.timedelta(days=100),
  'pull_count': 2,
  'self_issue_count': 3
}

missing_pull_count = {
  'full_name': 'fake_user/fake_repo',
  'stargazers_count': 100,
  'has_issues': True,
  'open_issues_count': 10,
  'age': datetime.timedelta(days=100),
}


if __name__ == '__main__':
  # Test

  print calc_score(fake_repo_dict, mean_stars_per_issue=30)

  print 'django:', calc_score({
    'full_name': 'django/django',
    'stargazers_count': 30000,
    'has_issues': False,
    'age': datetime.timedelta(days=100)
  }, mean_stars_per_issue=30)

  print 'django:', calc_score({
    'full_name': 'django/django',
    'stargazers_count': 200,
    'has_issues': False,
    'age': datetime.timedelta(days=100)
  }, mean_stars_per_issue=30)

  print 'foo/bar:', calc_score({
    'full_name': 'foo/bar',
    'stargazers_count': 1,
    'has_issues': False,
    'age': datetime.timedelta(days=400),
  }, mean_stars_per_issue=10)