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Viewing changes to Lib/idlelib/Delegator.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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Lib/idlelib/Delegator.py
 
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class Delegator:
 
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    # The cache is only used to be able to change delegates!
 
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    def __init__(self, delegate=None):
 
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        self.delegate = delegate
 
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        self.__cache = {}
 
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    def __getattr__(self, name):
 
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        attr = getattr(self.delegate, name) # May raise AttributeError
 
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        setattr(self, name, attr)
 
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        self.__cache[name] = attr
 
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        return attr
 
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    def resetcache(self):
 
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        for key in self.__cache:
 
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            try:
 
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                delattr(self, key)
 
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            except AttributeError:
 
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                pass
 
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        self.__cache.clear()
 
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    def cachereport(self):
 
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        keys = list(self.__cache.keys())
 
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        keys.sort()
 
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        print(keys)
 
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    def setdelegate(self, delegate):
 
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        self.resetcache()
 
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        self.delegate = delegate
 
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    def getdelegate(self):
 
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        return self.delegate