1 files changed, 25 insertions, 5 deletions
diff --git a/sleekxmpp/xmlstream/matcher/base.py b/sleekxmpp/xmlstream/matcher/base.py
index 51da0942..701ab32f 100644
--- a/sleekxmpp/xmlstream/matcher/base.py
+++ b/sleekxmpp/xmlstream/matcher/base.py
@@ -5,10 +5,30 @@
 
     See the file LICENSE for copying permission.
 """
+
+
 class MatcherBase(object):
 
-	def __init__(self, criteria):
-		self._criteria = criteria
-	
-	def match(self, xml):
-		return False
+    """
+    Base class for stanza matchers. Stanza matchers are used to pick
+    stanzas out of the XML stream and pass them to the appropriate
+    stream handlers.
+    """
+
+    def __init__(self, criteria):
+        """
+        Create a new stanza matcher.
+
+        Arguments:
+            criteria -- Object to compare some aspect of a stanza
+                        against.
+        """
+        self._criteria = criteria
+
+    def match(self, xml):
+        """
+        Check if a stanza matches the stored criteria.
+
+        Meant to be overridden.
+        """
+        return False