def __init__(self, file=None, name=u'', url='', size=None):
        super(VirtualFile, self).__init__(file, name)
        self.url = url
        if size is not None:
            self._size = size
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dataset/ETHPy150Open benoitbryon/django-downloadview/django_downloadview/files.py/VirtualFile.__init__--crossover with--dataset/ETHPy150Open tonysimpson/nanomsg-python/_nanomsg_ctypes/__init__.py/nn_recv