python处理xml文件的方法小结

<sys:String x:Key="STR_License_WithoutLicense">Sorry, you are not authorized.</sys:String>

<ResourceDictionary>
<sys:String x:Key="STR_Startup_LaunchRPD">Launching Polycom RealPresence Desktop</sys:String>
<sys:String x:Key="STR_Startup_CheckFolder">Checking folder</sys:String>

<language-strings>
 <ABK_CALL comment="verb (command, button on screen to press to place a call);" controls="Button" products="HDX,VSX,CMAD,Venus Main">
  <ARABIC notes="" last-change-date="" status="">打电话</ARABIC>
  <CHINESE_S notes="" last-change-date="" status="">呼叫</CHINESE_S>

import xml.dom.minidom
from xml.dom.minidom import Document
RPD_Str_path = "E:/PythonCode/StringResource.en-US.xaml"
RPD_dom = xml.dom.minidom.parse(RPD_Str_path)
CMAD_Str_path = "E:/PythonCode/M500_RPM13_0522.xml"
CMAD_dom = xml.dom.minidom.parse(CMAD_Str_path)
#得到根节点
RPD_root = RPD_dom.documentElement
CMAD_root = CMAD_dom.documentElement
def IsStr_already_Translated(RPD_Str):
  for firstLevel in CMAD_root.childNodes:
    for SecondLevel in firstLevel.childNodes:
      if SecondLevel.nodeType == SecondLevel.ELEMENT_NODE:
        if SecondLevel.nodeName == "ENGLISH_US":
          if RPD_Str == SecondLevel.childNodes[0].data.strip():
            return firstLevel.nodeName
          else:
            continue
        else:
          continue
      else:
        continue
    else:
      continue
  else:
    return "Null"
#用Document来写xml文件
Mapping_doc = Document()
Mapping_root = Mapping_doc.createElement("Common_String")
Mapping_doc.appendChild(Mapping_root)
Translation_doc = Document()
Translation_root = Translation_doc.createElement("Need_Translation_String")
Translation_doc.appendChild(Translation_root)
for node in RPD_root.childNodes:
  if node.nodeType == node.ELEMENT_NODE:
#    print node.getAttribute("x:Key") +"  +  "+ node.childNodes[0].data
  CMAD_Key = IsStr_already_Translated(node.childNodes[0].data.strip())
  if(CMAD_Key != "Null"):
    mKey = Mapping_doc.createElement(node.getAttribute("x:Key"))
    Mapping_root.appendChild(mKey)
    mValue = Mapping_doc.createTextNode(CMAD_Key)
    mKey.appendChild(mValue)
  elif(CMAD_Key == "Null"):
    Key = Translation_doc.createElement('sys:String')
    Translation_root.appendChild(Key)
    Key.setAttribute('x:Key', node.getAttribute("x:Key"))
    Value = Translation_doc.createTextNode(node.childNodes[0].nodeValue)
    Key.appendChild(Value)
    continue
else:
  path1 = "E:/PythonCode/ID_Mapping.xml"
  try:
    import codecs
    f1 = codecs.open(path1, "wb", "utf-8")
    f1.write(Mapping_doc.toprettyxml(indent=" "))
  except:
    print('Write xml file failed.... file:{0}'.format(path1))
  path2 = "E:/PythonCode/Need_Translate_String.xml"
  try:
    f2 = codecs.open(path2, "wb", "utf-8")
    f2.write(Translation_doc.toprettyxml(indent=" "))
  except:
    print('Write xml file failed.... file:{0}'.format(path2))