.. _fbf.lib.cache:

cache
~~~~~

.. automodule:: fbf.lib.cache
        :show-inheritance:
        :members:
        :undoc-members:

CODE
----

    ::

        # fbf/cache.py
        #
        #
        
        """ fbf cache provding get, set and delete functions. """
        
.. _fbf.lib.cache_fbf_imports:

fbf imports
--------------

    ::

        
        from fbf.utils.lazydict import LazyDict
        
        
.. _fbf.lib.cache_basic_imports:

basic imports
----------------

    ::

        
        import logging
        
.. _fbf.lib.cache_defines_:

defines
----------

    ::

        
        cache = LazyDict()
        
.. _fbf.lib.cache_functions_:

functions
------------

    ::

        
        def get(name, namespace=""):
            """ get data from the cache. """
            global cache
            try: 
                #logging.debug("cache - returning %s" % cache[name])
                return cache[name]
            except KeyError: pass
        
        def set(name, item, timeout=0, namespace=""):
            """ set data in the cache. """
            #logging.debug("cache - setting %s to %s" % (name, str(item)))
            global cache
            cache[name] = item
        
        def delete(name, namespace=""):
            """ delete data from the cache. """
            try:
                global cache
                del cache[name]
                logging.warn("cache - deleted %s" % name)
                return True
            except KeyError: return False
        
        def size():
            return len(cache)