Randomized brackets of randomization

brackets.py

import random
import pprint
import copy
from collections import defaultdict

root_people = [
    "P1",
    "P2",
    "P3",
    "P4",
    "P5",
    "P6",
    "P7",
    "P8",
    "P9",
    "P0"
]

person_matrix = {}
round_matrix = defaultdict(list)
while_marker = {}

def create_person_matrix():
    for person in root_people:
        person_matrix[person] = {
            "Round 1": None,
            "Round 2": None,
            "Round 3": None,
            "Round 4": None,
            "Round 5": None,
            "Round 6": None,
        }


def get_two_people(_people, x=None, y=None):
    if not x:
        x = random.randint(0, len(_people)-1)
    if not y:
        y = random.randint(0, len(_people)-1)
    while x == y:
        y = random.randint(0, len(_people)-1)
    return x, y


def check_previous_matches(_people, x, y, i):
    for ii in range(1, i):
        print("Checking matchups for {} in Round {} against {}".format(_people[x], ii, _people[y]))
        if person_matrix[_people[x]]["Round {}".format(ii)] == _people[y]:
            print("Got a match in previous round: {}".format(ii))
            return True
    return False


def find_opponent(person, remaining_people, round=None):
    # take the list of people this person has already fought...
    previous = []
    for x in person_matrix[person]:
        if x is not None:
            previous.append(person_matrix[person][x])
    _people = copy.deepcopy(remaining_people)
    people = list(set(_people) - set(previous))
    print(person, previous, people, _people)
    random.shuffle(people)
    print("Shuffled people: {}", format(people))
    return people[0]


def gen_week(matches=5):
    for i in xrange(1, matches, 1):
        print("***** {} *****".format(i))
        _people = copy.deepcopy(root_people)
        while_marker[i] = True
        while while_marker[i]:
            random.shuffle(_people)
            x = _people[0]
            y = find_opponent(x, _people[1:])
            person_matrix[x]["Round {}".format(i)] = y
            person_matrix[y]["Round {}".format(i)] = x
            round_matrix["Round {}".format(i)].append((x, y))
            del(_people[0])
            for j, val in enumerate(_people):
                if val == y:
                    y = j
                    break
            del(_people[y])
            if len(_people) == 0:
                while_marker[i] = False
    pprint.pprint(person_matrix)
    for i in xrange(1, 7, 1):
        print("Round {}".format(i), round_matrix["Round {}".format(i)])


create_person_matrix()
gen_week(matches=7)