expatbuilder.py 文件源码

def _handle_white_text_nodes(self, node, info):
        if (self._options.whitespace_in_element_content
            or not info.isElementContent()):
            return

        # We have element type information and should remove ignorable
        # whitespace; identify for text nodes which contain only
        # whitespace.
        L = []
        for child in node.childNodes:
            if child.nodeType == TEXT_NODE and not child.data.strip():
                L.append(child)

        # Remove ignorable whitespace from the tree.
        for child in L:
            node.removeChild(child)