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[merge] bzr.dev

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bzrlib/weavefile.py
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def read_weave(f):
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    return read_weave_v5(f)
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def read_weave_v5(f):
 
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def read_weave(f,prelude=False):
 
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    return read_weave_v5(f,prelude=prelude)
 
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def read_weave_v5(f,prelude=False):
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    from weave import Weave, WeaveFormatError
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    w = Weave(getattr(f, 'name', None))
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        else:
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            raise WeaveFormatError('unexpected line %r' % l)
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    if prelude:
 
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        return w
 
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    while True:
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        l = f.readline()
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        if l == 'W\n':