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  • Committer: John Arbash Meinel
  • Date: 2007-02-09 16:41:00 UTC
  • mto: This revision was merged to the branch mainline in revision 2294.
  • Revision ID: john@arbash-meinel.com-20070209164100-t9t1760kq6y5qgwn
Add get_cached_ascii for dealing with how cElementTree handles ascii strings

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bzrlib/cache_utf8.py
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    return encode(decode(utf8_str))
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def get_cached_ascii(ascii_str,
 
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                     _uni_to_utf8=_unicode_to_utf8_map,
 
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                     _utf8_to_uni=_utf8_to_unicode_map):
 
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    """This is a string which is identical in utf-8 and unicode."""
 
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    # We don't need to do any encoding, but we want _utf8_to_uni to return a
 
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    # real Unicode string. Unicode and plain strings of this type will have the
 
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    # same hash, so we can just use it as the key in _uni_to_utf8, but we need
 
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    # the return value to be different in _utf8_to_uni
 
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    ascii_str = _uni_to_utf8.setdefault(ascii_str, ascii_str)
 
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    _utf8_to_uni.setdefault(ascii_str, unicode(ascii_str))
 
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    return ascii_str
 
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def clear_encoding_cache():
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    """Clear the encoding and decoding caches"""
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    _unicode_to_utf8_map.clear()