prettyprint.py 文件源码

def _writexml_element(self, writer, indent="", addindent="", newl=""):
        # indent = current indentation
        # addindent = indentation to add to higher levels
        # newl = newline string
        writer.write(indent+"<" + self.tagName)

        attrs = self._get_attributes()
        a_names = attrs.keys()
        a_names.sort()

        for a_name in a_names:
                writer.write(" %s=\"" % a_name)
                minidom._write_data(writer, attrs[a_name].value)
                writer.write("\"")
        if self.childNodes:
                if self.childNodes[0].nodeType == Node.TEXT_NODE and len(self.childNodes[0].data) > 0:
                        writer.write(">")
                else:
                        writer.write(">%s"%(newl))
                for node in self.childNodes:
                        node.writexml(writer,indent+addindent,addindent,newl)
                if self.childNodes[-1].nodeType == Node.TEXT_NODE and len(self.childNodes[0].data) > 0:
                        writer.write("</%s>%s" % (self.tagName,newl))
                else:
                        writer.write("%s</%s>%s" % (indent,self.tagName,newl))
        else:
                writer.write("/>%s"%(newl))