Created
August 14, 2014 23:55
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storage_class to store data
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# -*- coding: utf-8 -*- | |
""" | |
This file contains Storage class to storage data. | |
""" | |
class Storage(dict): | |
""" | |
A Storage object is like a dictionary except `obj.foo` can be used | |
in addition to `obj['foo']`. | |
>>> obj = Storage(a=1) | |
>>> obj.val | |
1 | |
>>> obj['val'] | |
1 | |
>>> obj.val = 2 | |
>>> obj['val'] | |
2 | |
>>> del obj.val | |
>>> obj.val | |
None | |
""" | |
def __getattr__(self, key): | |
try: | |
return self[key] | |
except KeyError: | |
return None | |
def __setattr__(self, key, value): | |
self[key] = value | |
def __delattr__(self, key): | |
try: | |
del self[key] | |
except KeyError as error: | |
raise AttributeError(error) | |
def __repr__(self): | |
return '<Storage ' + dict.__repr__(self) + '>' | |
def __getstate__(self): | |
return dict(self) | |
def __setstate__(self,value): | |
for k,v in value.items(): self[k]=v |
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