test_builder_registry.py 文件源码

def test_named_library(self):
        if LXML_PRESENT:
            self.assertEqual(registry.lookup('lxml', 'xml'),
                             LXMLTreeBuilderForXML)
            self.assertEqual(registry.lookup('lxml', 'html'),
                             LXMLTreeBuilder)
        if HTML5LIB_PRESENT:
            self.assertEqual(registry.lookup('html5lib'),
                              HTML5TreeBuilder)

        self.assertEqual(registry.lookup('html.parser'),
                          HTMLParserTreeBuilder)