Using GitHub's API to manage a team's access to repos.

update_teams

#!/usr/bin/env python
# http://pygithub3.readthedocs.org/en/latest/
# Pip install pygithub3

from pygithub3 import Github


token = '<your GitHub application token>'

# Teams
team_list = gh.orgs.teams.list('<organisation name>')
for team in team_list.iterator():
  print team.name, team.id # Select the teams you want to add repos to, You only need the ID

team_owners = 00000 # The ID of your owners team
teams = [<team1>, <team2>, <team3>]

# Repos
repos = gh.orgs.teams.list_repos(team_owners) # Getting all repos owned by the organisation

# Adding Repos to teams
for team in teams:
  for repo in repos.iterator():
      gh.orgs.teams.add_repo(team, '<organisation name>',repo.name)


# Members, getting an organisation's members
members = gh.orgs.members.list('<organisation name>')

for member in members.iterator():
  print member.login


# I use this to update our teams access to repos.
# Adding them manually each time is a pain, this is run daily in a cron job