fastest_elementtree.py
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- """
- @file fastest_elementtree.py
- @brief Concealing some gnarly import logic in here. This should export the interface of elementtree.
- $LicenseInfo:firstyear=2008&license=mit$
- Copyright (c) 2008-2010, Linden Research, Inc.
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- $/LicenseInfo$
- """
- # The parsing exception raised by the underlying library depends
- # on the ElementTree implementation we're using, so we provide an
- # alias here.
- #
- # Use ElementTreeError as the exception type for catching parsing
- # errors.
- # Using cElementTree might cause some unforeseen problems, so here's a
- # convenient off switch.
- use_celementree = True
- try:
- if not use_celementree:
- raise ImportError()
- # Python 2.3 and 2.4.
- from cElementTree import *
- ElementTreeError = SyntaxError
- except ImportError:
- try:
- if not use_celementree:
- raise ImportError()
- # Python 2.5 and above.
- from xml.etree.cElementTree import *
- ElementTreeError = SyntaxError
- except ImportError:
- # Pure Python code.
- try:
- # Python 2.3 and 2.4.
- from elementtree.ElementTree import *
- except ImportError:
- # Python 2.5 and above.
- from xml.etree.ElementTree import *
- # The pure Python ElementTree module uses Expat for parsing.
- from xml.parsers.expat import ExpatError as ElementTreeError