[libxml2]Add libxml2 library

libxml2/python/tests/error.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+#
+# This test exercise the redirection of error messages with a
+# functions defined in Python.
+#
+import sys
+import setup_test
+import libxml2
+
+# Memory debug specific
+libxml2.debugMemory(1)
+
+expect='--> I/O --> warning : --> failed to load "missing.xml": No such file or directory\n'
+err=""
+def callback(ctx, str):
+     global err
+
+     err = err + "%s %s" % (ctx, str)
+
+got_exc = 0
+libxml2.registerErrorHandler(callback, "-->")
+try:
+    doc = libxml2.parseFile("missing.xml")
+except libxml2.parserError:
+    got_exc = 1
+
+if got_exc == 0:
+    print("Failed to get a parser exception")
+    sys.exit(1)
+
+if err != expect:
+    print("error")
+    print("received %s" %(err))
+    print("expected %s" %(expect))
+    sys.exit(1)
+
+i = 10000
+while i > 0:
+    try:
+        doc = libxml2.parseFile("missing.xml")
+    except libxml2.parserError:
+        got_exc = 1
+    err = ""
+    i = i - 1
+
+# Memory debug specific
+libxml2.cleanupParser()
+if libxml2.debugMemory(1) == 0:
+    print("OK")
+else:
+    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))