[tor-commits] [bridgedb/master] Change asserts to validations in FilteredBridgeSplitter.insert().

[isis@xxxxxxxxxxxxxx]

commit fa1234ddfd3db1d951b61ff2f45a829e5f1c4618
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Fri Nov 15 13:47:38 2013 +0000

    Change asserts to validations in FilteredBridgeSplitter.insert().
    
    The asserts will be stripped if Python is run with -O2, thus they are not the
    best idea for production code.
---
 lib/bridgedb/Bridges.py |   14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/bridgedb/Bridges.py b/lib/bridgedb/Bridges.py
index 036df88..7e24dbe 100644
--- a/lib/bridgedb/Bridges.py
+++ b/lib/bridgedb/Bridges.py
@@ -1057,12 +1057,18 @@ class FilteredBridgeSplitter(BridgeHolder):
         :param populate_from: A group of :class:`Bridge`s. If given, the newly
             added subring will be populated with these bridges.
         """
-        assert isinstance(ring, BridgeHolder)
-        assert ringname not in self.filterRings.keys()
-        logging.debug("Adding subring '%s' to %s."
+        if not isinstance(subring, BridgeHolder):
+            logging.fatal("Can't add '%s' to %s because '%s' isn't a hashring."
+                          % (ringname, self.__class__, ringname))
+            return False
+        if ringname in self.filterRings.keys():
+            logging.fatal("Hashring %s already has a subring named '%s'!"
+                          % (self.__class__, ringname))
+            return False
+
+        logging.debug("Adding subring '%s' to hashring %s..."
                       % (ringname, self.__class__))
 
-
         #TODO: drop LRU ring if len(self.filterRings) > self.max_cached_rings
         self.filterRings[ringname] = (filterFn, subring)
 



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