89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
# The contents of this file are subject to the BitTorrent Open Source License
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# Version 1.1 (the License). You may not copy or use this file, in either
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# source code or executable form, except in compliance with the License. You
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# may obtain a copy of the License at http://www.bittorrent.com/license/.
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#
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# Software distributed under the License is distributed on an AS IS basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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class Preferences(object):
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def __init__(self, parent=None):
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self._parent = None
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self._options = {}
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if parent:
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self._parent = parent
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def initWithDict(self, dict):
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self._options = dict
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return self
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def getDict(self):
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return dict(self._options)
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def getDifference(self):
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if self._parent:
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return dict([(x, y) for x, y in self._options.items() if y != self._parent.get(x, None)])
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else:
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return dict(self._options)
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def __getitem__(self, option):
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if self._options.has_key(option):
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return self._options[option]
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elif self._parent:
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return self._parent[option]
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return None
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def __setitem__(self, option, value):
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self._options.__setitem__(option, value)
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def __len__(self):
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l = len(self._options)
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if self._parent:
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return l + len(self._parent)
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else:
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return l
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def __delitem__(self, option):
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del(self._options[option])
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def clear(self): self._options.clear()
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def has_key(self, option):
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if self._options.has_key(option):
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return True
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elif self._parent:
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return self._parent.has_key(option)
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return False
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def keys(self):
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l = self._options.keys()
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if self._parent:
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l += [key for key in self._parent.keys() if key not in l]
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return l
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def values(self):
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l = self._options.values()
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if self._parent:
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l += [value for value in self._parent.values() if value not in l]
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return l
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def items(self):
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l = self._options.items()
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if self._parent:
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l += [item for item in self._parent.items() if item not in l]
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return l
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def __iter__(self): return self.iterkeys()
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def iteritems(self): return self.items().__iter__()
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def iterkeys(self): return self.keys().__iter__()
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def itervalues(self): return self.values().__iter__()
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def update(self, dict): return self._options.update(dict)
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def get(self, key, failobj=None):
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if not self.has_key(key):
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return failobj
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return self[key]
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