gistfile1.diff

In [1]: from django.core.cache import cache

In [2]: key = 'blah'

In [3]: cache.incr('blah')
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-3-154660d05ec4> in <module>()
----> 1 cache.incr('blah')

/Users/shoe/dev/envs/rdb/lib/python2.6/site-packages/django/core/cache/backends/locmem.py in incr(self, key, delta, version)
     82         value = self.get(key, version=version)
     83         if value is None:
---> 84             raise ValueError("Key '%s' not found" % key)
     85         new_value = value + delta
     86         key = self.make_key(key, version=version)

ValueError: Key 'blah' not found

In [4]: cache.set('blah', 1, 20)

In [5]: cache.incr('blah')
Out[5]: 2

In [6]: cache.incr('blah')
Out[6]: 3

In [7]: cache.incr('blah')
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-7-154660d05ec4> in <module>()
----> 1 cache.incr('blah')

/Users/shoe/dev/envs/rdb/lib/python2.6/site-packages/django/core/cache/backends/locmem.py in incr(self, key, delta, version)
     82         value = self.get(key, version=version)
     83         if value is None:
---> 84             raise ValueError("Key '%s' not found" % key)
     85         new_value = value + delta
     86         key = self.make_key(key, version=version)

ValueError: Key 'blah' not found

In [8]: