def main(vk: "VkUser object provides access to VK API",
limit: "int number friends per group"):
user_friends = vk.get_friends_list()
user_groups = vk.get_groups_list(vk.get_user_id())
friends_number = len(user_friends)
print("{}({}) has {} friends and participate in {} groups\n".format(vk.get_user_name(), vk.get_user_id(),
friends_number, len(user_groups)))
friends_groups = list()
bar = Bar(friends_number, 'loading friends groups')
for i, friend in enumerate(user_friends):
groups = vk.get_groups_list(friend)
if groups:
friends_groups.extend(groups)
bar.show_progress(i)
else:
bar.show_progress_100("loaded groups data for {} friends".format(friends_number))
group_counts = Counter(friends_groups) # count number of friends using each group, place results in the dict
result = list(set(user_groups) - set(group_counts.keys())) # unique user groups
if limit > 0: # add groups where friends participate
for group, count in group_counts.items():
if group in user_groups and count <= limit:
result.append(group)
write_json_file(vk.get_user_id(), [vk.get_group_info(group) for group in result])
