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#
# Copyright (c) 2008, 2009 Adam Marshall Smith
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
import os, pickle
class CardStore(object):
def __init__(self, filename):
self.filename = filename
if os.path.exists(filename):
self.cards = pickle.load(file(filename, 'r+b'))
else:
self.cards = {}
def save(self):
pickle.dump(self.cards, file(self.filename, 'w+b'))
def getCard(self, key, partialKeys=None):
card = self.cards.get(key,{'key':key})
if partialKeys is None:
return card
else:
return dict([(k, card.get(k,None)) for k in partialKeys])
def setCard(self, key, card):
self.cards[key] = card
self.save()
def updateCard(self, key, partialCard):
card = self.getCard(key)
card.update(partialCard)
self.setCard(key, card)
def hasCard(self, key):
return self.cards.has_key(key)