def build_random_brunches(len, first_number=1, second_number=2):
drop_len_func = lambda len: int(len/4)
brunch_prob = 0.5
brunch_list = list()
for k in range(len-1):
SystemBuilder.scheme.add_edge(first_number, second_number, weight=1)
SystemBuilder.scheme[first_number][second_number][SystemBuilder.ATTRIBUTE_TIME_IN_WAY] = RandomFunctions.time_distance_func()
if random() < brunch_prob:
brunch_list.append(first_number)
first_number = second_number
second_number += 1
try:
if SystemBuilder.build_random_brunches.max < second_number:
SystemBuilder.build_random_brunches.max = second_number
except AttributeError:
SystemBuilder.build_random_brunches.max = second_number
for number in brunch_list:
SystemBuilder.build_random_brunches(
drop_len_func(len), first_number=number, second_number=SystemBuilder.build_random_brunches.max)
attr_name = SystemBuilder.ATTRIBUTE_GROWTH_LIST
nx.set_node_attributes(SystemBuilder.scheme, attr_name, None)
for num in SystemBuilder.scheme.nodes():
SystemBuilder.scheme.node[num][attr_name] = list()
