PyCIM/PrettyPrintXML.py

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to
   5 # deal in the Software without restriction, including without limitation the
   6 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   7 # sell copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9 #
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12 #
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  18 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  19 # IN THE SOFTWARE.
  20
  21 from xml.etree.cElementTree import parse, tostring
  22
  23 def xmlpp(source):
  24     root = parse(source).getroot()
  25     indent(root)
  26     return tostring(root)
  27
  28 def indent(elem, level=0):
  29     i = "\n" + level*"  "
  30     if len(elem):
  31         if not elem.text or not elem.text.strip():
  32             elem.text = i + "  "
  33         if not elem.tail or not elem.tail.strip():
  34             elem.tail = i
  35         for elem in elem:
  36             indent(elem, level+1)
  37         if not elem.tail or not elem.tail.strip():
  38             elem.tail = i
  39     else:
  40         if level and (not elem.tail or not elem.tail.strip()):
  41             elem.tail = i