[libxml2]Add libxml2 library

libxml2/python/tests/xpathns.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+#
+import setup_test
+import libxml2
+
+expect=' xmlns:a="urn:whatevar"'
+
+# Memory debug specific
+libxml2.debugMemory(1)
+
+d = libxml2.parseDoc("<a:a xmlns:a='urn:whatevar'/>")
+res=""
+for n in d.xpathEval("//namespace::*"):
+    res = res + n.serialize()
+del n
+d.freeDoc()
+
+if res != expect:
+    print("test5 failed: unexpected output")
+    print(res)
+del res
+del d
+# Memory debug specific
+libxml2.cleanupParser()
+
+if libxml2.debugMemory(1) == 0:
+    print("OK")
+else:
+    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))