SVGExporter.py 文件源码

def cleanXml(node):
    ## remove extraneous text; let the xml library do the formatting.
    hasElement = False
    nonElement = []
    for ch in node.childNodes:
        if isinstance(ch, xml.Element):
            hasElement = True
            cleanXml(ch)
        else:
            nonElement.append(ch)

    if hasElement:
        for ch in nonElement:
            node.removeChild(ch)
    elif node.tagName == 'g':  ## remove childless groups
        node.parentNode.removeChild(node)