Integrate a modified version of Dave Cridland's Suelta SASL library.

sleekxmpp/thirdparty/suelta/exceptions.py

@@ -0,0 +1,31 @@
+class SASLError(Exception):
+
+    def __init__(self, sasl, text, mech=None):
+        """
+        :param sasl: The main `suelta.SASL` object.
+        :param text: Descpription of the error.
+        :param mech: Optional reference to the mechanism object.
+
+        :type sasl: `suelta.SASL`
+        """
+        self.sasl = sasl
+        self.text = text
+        self.mech = mech
+
+    def __str__(self):
+        if self.mech is None:
+            return 'SASL Error: %s' % self.text
+        else:
+            return 'SASL Error (%s): %s' % (self.mech, self.text)
+
+
+class SASLCancelled(SASLError):
+
+    def __init__(self, sasl, mech=None):
+        """
+        :param sasl: The main `suelta.SASL` object.
+        :param mech: Optional reference to the mechanism object.
+
+        :type sasl: `suelta.SASL`
+        """
+        super(SASLCancelled, self).__init__(sasl, "User cancelled", mech)