Made queue pickle-able.

src/fix.py

@@ -205,6 +205,15 @@ class queue(dict):
         except KeyError:
             raise IndexError, i
 
+    def __getstate__(self):
+        return (self.first, self.last, dict(self))
+
+    def __setstate__(self, (first, last, d)):
+        self.first = first
+        self.last = last
+        for (k, v) in d.iteritems():
+            dict.__setitem__(self, k, v)
+            
 
 class IterableMap(object):
     """Define .iteritems() in a class and subclass this to get the other iters.

test/fix_test.py

@@ -33,6 +33,8 @@ from __future__ import generators
 
 from test import *
 
+import pickle
+
 class QueueTest(unittest.TestCase):
     def testGetitem(self):
         q = queue()
@@ -47,7 +49,6 @@ class QueueTest(unittest.TestCase):
         self.assertRaises(IndexError, q.__getitem__, n)
         #self.assertEqual(q[3:7], queue([3, 4, 5, 6]))
         
-            
     def testSetitem(self):
         q1 = queue()
         for i in xrange(10):
@@ -178,6 +179,10 @@ class QueueTest(unittest.TestCase):
         for _ in queue():
             self.fail('no elements should be in empty queue')
 
+    def testPickleCopy(self):
+        q = queue(range(10))
+        self.assertEqual(q, pickle.loads(pickle.dumps(q)))
+
 
 class FunctionsTest(unittest.TestCase):
     def testCatch(self):