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  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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bzrlib/static_tuple.py
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# Copyright (C) 2009 Canonical Ltd
 
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# Copyright (C) 2009, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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    if type(obj) is not StaticTuple:
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        raise TypeError('We expected a StaticTuple not a %s' % (type(obj),))
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    return obj
 
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def as_tuples(obj):
 
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    """Ensure that the object and any referenced objects are plain tuples.
 
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    :param obj: a list, tuple or StaticTuple
 
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    :return: a plain tuple instance, with all children also being tuples.
 
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    """
 
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    result = []
 
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    for item in obj:
 
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        if isinstance(item, (tuple, list, StaticTuple)):
 
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            item = as_tuples(item)
 
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        result.append(item)
 
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    return tuple(result)