Add ScheduledSet.available

redset/__init__.py

@@ -7,6 +7,6 @@
 
 """
 
-__version__ = '0.5'
+__version__ = '0.5.1'
 
 from redset.sets import *

redset/sets.py

@@ -404,6 +404,13 @@ def _get_item(self, position=0, with_score=False):
     def _get_next_item(self, with_score=False):
         return self._get_item(with_score=with_score)
 
+    def available(self):
+        """
+        The count of items with a score less than now.
+
+        """
+        return self.redis.zcount(self.name, '-inf', time.time())
+
 
 class _DefaultSerializer(Serializer):
 

tests/test_sets.py

@@ -498,6 +498,18 @@ def test_length(self):
             5,
         )
 
+    def test_length_available(self):
+        for i in range(2):
+            self.ss.add(i, self.now + 50)
+
+        for i in range(3):
+            self.ss.add(i + 2, self.now - 50)
+
+        self.assertEquals(
+            self.ss.available(),
+            3,
+        )
+
     def test_contains(self):
         for i in range(5):
             self.ss.add(i)