用前缀的on标记解析.xml？xml.etree.ElementTree

用前缀的on标记解析.xml？xml.etree.ElementTree

这是将XML名称空间与 ElementTree 一起使用的示例：

>>> x = '''<channel xmlns:media="http://www.w3.org/TR/html4/">  <title>Popular  Photography in the last 1 week</title>  <item>    <title>foo</title>    <media:category label="Miscellaneous">photography/misc</media:category>    <media:content url="http://foo.com/1.jpg" height="375" width="500" medium="image"/>  </item>  <item> ... </item></channel>'''>>> node = ElementTree.fromstring(x)>>> for elem in node.findall('item/{http://www.w3.org/TR/html4/}category'):        print elem.textphotography/misc