Robin like schedule

robin_like_schedule.py

def scheduleMatches(teams, rounds=1):
    matches = []

    if len(teams) % 2 == 1:
        teams.append('None')

    teamsNumbers = len(teams)
    map = list(range(teamsNumbers))
    middle = teamsNumbers // 2
    for i in range((teamsNumbers-1)*rounds):
        map1 = map[:middle]
        map2 = map[middle:]
        map2.reverse()
        round = []
        for j in range(middle):
            team1 = teams[map1[j]]
            team2 = teams[map2[j]]
            if team1 != 'None' and team2 != 'None':
                if i % 2 == 1:
                    round.append((team2, team1))
                else:
                    round.append((team1, team2))
        matches.append(round)
        map = map[middle:-1] + map[:middle] + map[-1:]
    return matches


def schedule_cross_conf(conf_a, conf_b, rounds=1):
    matches=[]
    size = len(conf_a)
    for i in range(size*rounds):
        conf_a.reverse()
        round = []
        for j in range(size):
            team_a = conf_a[j]
            team_b = conf_b[j]
            if i+1 <= size:
                if i % 2 == 1:
                    round.append((team_a, team_b))
                else:
                    round.append((team_b, team_a))
            else:
                if i % 2 == 1:
                    round.append((team_b, team_a))
                else:
                    round.append((team_a, team_b))

        matches.append(round)
        conf_a = conf_a[1:] + conf_a[:1]
        conf_b = conf_b[1:] + conf_b[:1]

    return matches