xml_Utils.py 文件源码

def getChildAttributebyParentTag (datafile, pnode, cnode, cattrib):
    """Find the attribute in child node by traversing through the parent node
    in the given file
    datafile = xml file searched
    pnode = parent node
    cnode = child node
    cattrob = child node attrib
    """
    tree = ElementTree.parse(datafile)
    root = tree.getroot()
    node = root.find(pnode)
    if node is not None:
        child = node.find(cnode)
        if child is not None:
            value = child.get(cattrib)
            return value
        else:
            # print_info("could not find cnode under the given pnode")
            return False
    else:
        # print_info("could not find pnode in the provided file")
        return False