def read(cls, key, mode = FetchMode.All):
"""Retreives objects from the datastore """
assert isinstance(key, (basestring, Key))
namespace, kind, member = Schema.Get(cls)
if isinstance(key, Key):
assert kind == key.kind, "Mismatched Model, reading a %s with %s" % (kind, key.kind)
return Lisa.read(key, mode)
else:
key = Key(namespace, kind, key)
return Lisa.read(key, mode)
def deconvert(self, value):
'''Pulls the referenced model from the datastore, and sets it'''
key = eval(value) #Change the @value back to a key.
if key:
found = Lisa.read(key, FetchMode.All)
return found
else: return None