6.7小节完成

cookbook/c06/p07_namespace_xml.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+"""
+Topic: 处理含命名空间的XML文档
+Desc : 
+"""
+
+
+class XMLNamespaces:
+    def __init__(self, **kwargs):
+        self.namespaces = {}
+        for name, uri in kwargs.items():
+            self.register(name, uri)
+
+    def register(self, name, uri):
+        self.namespaces[name] = '{' + uri + '}'
+
+    def __call__(self, path):
+        return path.format_map(self.namespaces)
+
+
+if __name__ == '__main__':
+    ns = XMLNamespaces(html='http://www.w3.org/1999/xhtml')
+    # doc.find(ns('content/{html}html'))
+    # doc.findtext(ns('content/{html}html/{html}head/{html}title'))