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Viewing changes to bzrlib/xml.py

  • Committer: Robert Collins
  • Date: 2005-08-25 07:48:27 UTC
  • mto: (974.1.50) (1185.1.10) (1092.3.1)
  • mto: This revision was merged to the branch mainline in revision 1139.
  • Revision ID: robertc@robertcollins.net-20050825074826-dfdf6cecb8020b93
unbreak weavebench

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bzrlib/xml.py
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# "XML is like violence: if it doesn't solve your problem, you aren't
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# using enough of it." -- various
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__copyright__ = "Copyright (C) 2005 Canonical Ltd."
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__author__ = "Martin Pool <mbp@canonical.com>"
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# importing this module is fairly slow because it has to load several ElementTree bits
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try:
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    from cElementTree import Element, ElementTree, SubElement
 
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    from util.cElementTree import ElementTree, SubElement, Element
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except ImportError:
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    from elementtree.ElementTree import Element, ElementTree, SubElement
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import os, time
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from trace import mutter
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class XMLMixin:
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    def to_element(self):
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        raise Exception("XMLMixin.to_element must be overridden in concrete classes")
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    def write_xml(self, f):
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        ElementTree(self.to_element()).write(f, 'utf-8')
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        f.write('\n')
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    def read_xml(cls, f):
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        return cls.from_element(ElementTree().parse(f))
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    read_xml = classmethod(read_xml)
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    from util.elementtree.ElementTree import ElementTree, SubElement, Element
 
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def pack_xml(o, f):
 
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    """Write object o to file f as XML.
 
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    o must provide a to_element method.
 
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    """
 
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    ElementTree(o.to_element()).write(f, 'utf-8')
 
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    f.write('\n')
 
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def unpack_xml(cls, f):
 
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    return cls.from_element(ElementTree().parse(f))