nhentai/nhentai/utils.py
2016-10-19 11:07:48 +08:00

26 lines
625 B
Python

# coding: utf-8
from __future__ import unicode_literals, print_function
class _Singleton(type):
""" A metaclass that creates a Singleton base class when called. """
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(_Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
class Singleton(_Singleton(str('SingletonMeta'), (object,), {})):
pass
def urlparse(url):
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
return urlparse(url)