xmlInterface.py 文件源码

def _build_xml(self, tag, val=None, children=Void()):
        """Construct an xml element with a given tag, value, and children."""
        attribs = {'val': val} if val is not None else {}

        # If children is a list then convert each element separately, if it is
        # a tuple, treat it as a single element
        if isinstance(children, self.Void):
            children = ()
        elif isinstance(children, list):
            children = [self._from_value(child) for child in children]
        else:
            children = (self._from_value(children),)

        xml = ET.Element(tag, attribs)
        xml.extend(children)

        return xml