從XML標記中刪除文本值python

我只想刪除使用python dom或elementtree的xml文件的文本值。我的xml文件如下。從XML標記中刪除文本值python

<?xml version="1.0" encoding="utf-8"?> 
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> 
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> 
    <PostBuildEvent> 
     <Command>sign "Loc" </Command> 
    </PostBuildEvent> 
</ItemDefinitionGroup> 
    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> 
    <PostBuildEvent> 
    <Command>COPY "SourceLoc" "DestLoc"</Command> 
    </PostBuildEvent> 
    </ItemDefinitionGroup> 
    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> 
    <PostBuildEvent> 
     <Command>COPY "SourceLoc" "DestLoc"</Command> 
    </PostBuildEvent> 
</ItemDefinitionGroup> 
</Project>

我要的是空，其中包含複製命令標籤process.And保持無副本過程中的所有其他命令的標籤，顯示在下面的XML

<?xml version="1.0" encoding="utf-8"?> 
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> 

<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> 
    <PostBuildEvent> 
     <Command>sign "Loc" </Command> 
    </PostBuildEvent> 
</ItemDefinitionGroup> 
    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> 
    <PostBuildEvent> 
    <Command></Command> 
    </PostBuildEvent> 
    </ItemDefinitionGroup> 
    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> 
    <PostBuildEvent> 
     <Command></Command> 
    </PostBuildEvent> 
</ItemDefinitionGroup> 
</Project>

來源

2012-09-17 TVSuser1654136

使用ElementTree試一下沿着這些路線：

for tag in tree.findAll("Command"): 
    tag.text = None

來源

2012-09-17 05:44:58

我只是擴展從stackoverflow得到的解決方案; 我使用了很多... 只是定義在「__main」功能，您的輸入和輸出XMLFILE名

from xml.etree import ElementTree as ET 
import re 


class ElementTreeHelper(): 
    def __init__(self, xml_file_name): 
     xml_file = open(xml_file_name, "rb") 
     self.__parse_xml_declaration(xml_file) 
     self.element_tree = ET.parse(xml_file) 
     xml_file.seek(0) 
     root_tag_namespace = self.__root_tag_namespace(self.element_tree) 
     self.namespace = None 
     if root_tag_namespace is not None: 
      self.namespace = '{' + root_tag_namespace + '}' 
      ET.register_namespace('', root_tag_namespace) 
      self.element_tree = ET.parse(xml_file) 

    def find(self, xpath_query): 
     return self.element_tree.find(xpath_query) 

    def write(self, xml_file_name): 
     xml_file = open(xml_file_name, "wb") 
     if self.xml_declaration_line is not None: 
      xml_file.write(self.xml_declaration_line + '\n') 

     return self.element_tree.write(xml_file) 

    def __parse_xml_declaration(self, xml_file): 
     first_line = xml_file.readline().strip() 
     if first_line.startswith('<?xml') and first_line.endswith('?>'): 
      self.xml_declaration_line = first_line 
     else: 
      self.xml_declaration_line = None 
     xml_file.seek(0) 

    def __root_tag_namespace(self, element_tree): 
     namespace_search = re.search('^{(\S+)}', element_tree.getroot().tag) 
     if namespace_search is not None: 
      return namespace_search.group(1) 
     else: 
      return None 


def __main(): 
    el_tree_hlp = ElementTreeHelper('myxml.xml') 

    for elem in el_tree_hlp.element_tree.iter(): 
     if elem.text and 'COPY' in elem.text: 
      elem.text=None 

    el_tree_hlp.write('myxml1.xml') 

if __name__ == '__main__': 
    __main()

來源

2012-09-17 14:24:42 namit

從XML標記中刪除文本值python

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