Expand Up @@ -353,6 +353,52 @@ def cleanup(self, timeout): if now - atime > timeout : del self[k]

# From: Michele Petrazzo <michele.petra...@gmail.com> # Date: Sat, 26 Apr 2008 09:55:20 -0700 (PDT) # Local: Sat, Apr 26 2008 6:55 pm # Subject: memory session class MemoryStore(Store): """Store for saving a session in memory. Usefull where there is limited fs writes on the disk, like flash memories
I save the data into a dict: k: (time, pydata) """ def __init__(self, d_store=None): if d_store is None: d_store = {} self.d_store = d_store
def __contains__(self, key): return key in self.d_store
def __getitem__(self, key): """ Return the value and update the last seen value """ t, value = self.d_store[key] self.d_store[key] = (time.time(), value) return value
def __setitem__(self, key, value): self.d_store[key] = (time.time(), value)
def __delitem__(self, key): del self.d_store[key]
def cleanup(self, timeout): now = time.time() to_del = [] for k, (atime, value) in self.d_store.iteritems(): if now - atime > timeout : to_del.append(k)
#to avoid exception on "dict change during iterations" for k in to_del: del self.d_store[k]

if __name__ == '__main__' : import doctest doctest.testmod()