Lazy Object Of Python

lazyobject

# encoding: utf-8
__authors__ = (u"Meng Zhuo",)

class SimpleLazyObject(object):
    """Lazy Object impletement of Python

    :func: init object or class
    :returns: SimpleLazyObject

    """
    def __init__(self, func):
        if callable(func):
            func = func()
        self.__dict__['_wrapped'] = func
    
    def __getattr__(self, name):
        return getattr(self.__dict__['_wrapped'], name)

    def __setattr__(self, name, value):
        if name == "_wrapped":
            self.__dict__['_wrapped'] = value
        else:
            setattr(self._wrapped, name, value)

    def __delattr__(self, name):
        if name == "_wrapped":
            raise TypeError('Not allow')
        delattr(self._wrapped, name)

    def __dir__(self):
        return dir(self.__dict__['_wrapped'])

    @property
    def __members__(self):
        return self.__dir__()

    def __repr__(self):
        return self._wrapped.__repr__()
    
    def __str__(self):
        return self.__repr__()
    
    def __unicode__(self):
        return self.__repr__()

    __getattribute__ = __getattr__