reduce_id_collision.py

# Method 1
def create_obj():
    id = ''.join(random.choices(string.digits, k=8))
    try:
        MyModel.objects.save(id=id)
    except IntegrityError:
        create_obj()

# Method 2
def create_unique_id():
    return ''.join(random.choices(string.digits, k=8))

def create_object():
    id = create_unique_id()
    unique = False
    while not unique:
        if not MyModel.objects.get(pk=id):
            unique = True
        else:
            id = create_unique_id()
    MyModel.objects.save(id=id)