import sys
import time
import vk

login = 'keyliaran@gmail.com'
password = '21'
vk_id = '6186099'

session = vk.AuthSession(app_id=vk_id, user_login=login, user_password=password, scope='messages');
vkapi = vk.API(session=session)


def main():
    if len(sys.argv) < 3:
        print('usage: vk.py message chat_id  \n Example: python3 vk.py 192 "hello" ')
        return

    userList = vkapi.messages.getChatUsers(chat_id=sys.argv[1])

    currentId = '158492635'

    for user in userList:
        if(user != currentId):
            try:
                vkapi.messages.send(user_id=user, message=sys.argv[2])
                time.sleep(7)
            except:
                print("for https://vk.com/id" + str(user) + " message wasn't send")


if __name__ == '__main__':
    main()