symposion_app Changeset - a267b60eb9f3

Changeset - a267b60eb9f3

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Christopher Neugebauer - 8 years ago 2016-05-01 04:56:45
chrisjrn@gmail.com

Makes memoise work properly

1 file changed with 21 insertions and 9 deletions:

registrasion/controllers/batch.py

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registrasion/controllers/batch.py

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 import contextlib
 import functools
 from django.contrib.auth.models import User
 class BatchController(object):
     ''' Batches are sets of operations where certain queries for users may be
@@ ... / @@ -54,26 +56,36 @@ class BatchController(object): @@
     @classmethod
     def memoise(cls, func):
         ''' Decorator that stores the result of the stored function in the
         user's results cache until the batch completes.
         user's results cache until the batch completes. Keyword arguments are
         not yet supported.
         Arguments:
             func (callable(user, *a, **k)): The function whose results we want
                 to store. ``user`` must be the first argument; this is used as
                 the cache key.
             func (callable(*a)): The function whose results we want
                 to store. The positional arguments, ``a``, are used as cache
                 keys.
         Returns:
-            callable(user, *a, **k): The memosing version of ``func``.
             callable(*a): The memosing version of ``func``.
         '''
         @functools.wraps(func)
         def f(user, *a, **k):
         def f(*a):
             for arg in a:
                 if isinstance(arg, User):
                     user = arg
                     break
             else:
                 raise ValueError("One position argument must be a User")
             func_key = (func, tuple(a))
             cache = cls.get_cache(user)
             if func not in cache:
                 cache[func] = func(user, *a, **k)
             return cache[func]
             if func_key not in cache:
                 cache[func_key] = func(*a)
             return cache[func_key]
         return f

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