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32 lines
1.3 KiB
Python
32 lines
1.3 KiB
Python
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## Import
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def importETree():
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"""Import the best implementation of ElementTree, return a module object."""
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etree_in_c = None
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try: # Is it Python 2.5+ with C implemenation of ElementTree installed?
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import xml.etree.cElementTree as etree_in_c
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from xml.etree.ElementTree import Comment
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except ImportError:
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try: # Is it Python 2.5+ with Python implementation of ElementTree?
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import xml.etree.ElementTree as etree
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except ImportError:
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try: # An earlier version of Python with cElementTree installed?
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import cElementTree as etree_in_c
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from elementtree.ElementTree import Comment
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except ImportError:
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try: # An earlier version of Python with Python ElementTree?
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import elementtree.ElementTree as etree
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except ImportError:
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raise ImportError("Failed to import ElementTree")
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if etree_in_c:
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if etree_in_c.VERSION < "1.0.5":
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raise RuntimeError("cElementTree version 1.0.5 or higher is required.")
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# Third party serializers (including ours) test with non-c Comment
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etree_in_c.test_comment = Comment
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return etree_in_c
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elif etree.VERSION < "1.1":
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raise RuntimeError("ElementTree version 1.1 or higher is required")
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else:
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return etree
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