import redis, socket, os
from config import config as co

r = redis.Redis(host=co['host'], port=co['port'], unix_socket_path=co['unix_socket_path'], db=co['db'])

def clear():
    """
    clear the window
    """
    try:
        os.system('clear')
    except:
        os.system('cls')

# def userexist(name):
#     """
#     lista is a list for the set called USERSNAME. check if name is in lista
#     """
#     lista = r.zrange('usersname', 0, -1)
#     for i in lista:
#         if name == i.decode('utf-8'):
#             return True
#         else:
#             return False

class PersonalError(Exception):

    def __init__(self, value):
        self.value = value

    def __str__(self):
        return repr(self.value)


class Colors(object):

    red = '\033[91m'
    yellow = '\033[93m'
    grey = '\033[90m'
    black = '\033[0m'
    bold = '\033[1m'