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from abc import ABCMeta, abstractmethod
import sys
class Source(object):
__metaclass__ = ABCMeta
@abstractmethod
def contents(self):
pass
def __len__(self):
return sys.maxint
class ListSource(Source):
def __init__(self, list):
self.list = list
def contents(self):
return self.list
def __len__(self):
return len(self.contents())
class AnalyzerSource(Source):
def __init__(self, analyzer):
self.analyzer = analyzer
def contents(self):
for content in self.analyzer.analyze():
yield content
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