From ccf7916257d6af6ec9fd76d4c4c438b7f9d8078c Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Sun, 20 Jan 2013 15:43:02 -0800
Subject: Allow for simplified XPath namespaces

---
 sleekxmpp/xmlstream/matcher/xpath.py | 37 +++++-------------------------------
 1 file changed, 5 insertions(+), 32 deletions(-)

(limited to 'sleekxmpp/xmlstream/matcher/xpath.py')

diff --git a/sleekxmpp/xmlstream/matcher/xpath.py b/sleekxmpp/xmlstream/matcher/xpath.py
index 3f03e68e..f3d28429 100644
--- a/sleekxmpp/xmlstream/matcher/xpath.py
+++ b/sleekxmpp/xmlstream/matcher/xpath.py
@@ -9,16 +9,10 @@
     :license: MIT, see LICENSE for more details
 """
 
-from sleekxmpp.xmlstream.stanzabase import ET
+from sleekxmpp.xmlstream.stanzabase import ET, fix_ns
 from sleekxmpp.xmlstream.matcher.base import MatcherBase
 
 
-# Flag indicating if the builtin XPath matcher should be used, which
-# uses namespaces, or a custom matcher that ignores namespaces.
-# Changing this will affect ALL XPath matchers.
-IGNORE_NS = False
-
-
 class MatchXPath(MatcherBase):
 
     """
@@ -38,6 +32,9 @@ class MatchXPath(MatcherBase):
     expressions will be matched without using namespaces.
     """
 
+    def __init__(self, criteria):
+        self._criteria = fix_ns(criteria)
+
     def match(self, xml):
         """
         Compare a stanza's XML contents to an XPath expression.
@@ -59,28 +56,4 @@ class MatchXPath(MatcherBase):
         x = ET.Element('x')
         x.append(xml)
 
-        if not IGNORE_NS:
-            # Use builtin, namespace respecting, XPath matcher.
-            if x.find(self._criteria) is not None:
-                return True
-            return False
-        else:
-            # Remove namespaces from the XPath expression.
-            criteria = []
-            for ns_block in self._criteria.split('{'):
-                criteria.extend(ns_block.split('}')[-1].split('/'))
-
-            # Walk the XPath expression.
-            xml = x
-            for tag in criteria:
-                if not tag:
-                    # Skip empty tag name artifacts from the cleanup phase.
-                    continue
-
-                children = [c.tag.split('}')[-1] for c in xml]
-                try:
-                    index = children.index(tag)
-                except ValueError:
-                    return False
-                xml = list(xml)[index]
-            return True
+        return x.find(self._criteria) is not None
-- 
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