def __init__(self, *args, **kwargs):
kw = {}
if "expire" in kwargs:
kw["expire"] = kwargs["expire"]
del kwargs["expire"]
if "size" in kwargs:
kw["size"] = kwargs["size"]
del kwargs["size"]
self.cache = Cache(**kw)
FTPHost.__init__(self, *args, **kwargs)
self.CWD = None
self.setcwd()
