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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# reads and writes xml files
# output files indented
import xml.etree.ElementTree as ET
#tree = Xmlio(path)
#elem = tree.getroot()
#tree.save(path) --- uses root of tree
#tree.save(path,root=elem) -- saves tree from supplied root element
class Xmlio():
def __init__(self, path = None, root = None):
print 'params: path=', path, 'root=', root
if root:
if path:
self.root = root
self.tree = ET.ElementTree(self.root)
else:
self.root = ET.Element(root)
self.tree = ET.ElementTree(self.root)
else:
try:
self.tree = ET.parse(path)
except:
print "error parsing xml file", path
return
self.root = self.tree.getroot()
def getroot(self, root = ''):
if not root:
return self.root
else:
return ET.Element(root)
def indent(self, elem, level=0):
i = "\n" + level * " "
if len(elem):
if not elem.text or not elem.text.strip():
elem.text = i + " "
for elem in elem:
self.indent(elem, level+1)
if not elem.tail or not elem.tail.strip():
elem.tail = i
else:
if level and (not elem.tail or not elem.tail.strip()):
elem.tail = i
def save(self, path, root = ''):
if not root:
root = self.root
self.indent(root) #prettyprint
ET.ElementTree(root).write(path)
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