> return cache.ram.storage['message'][1]
>
Where did you see that as the way to access cached values? That is not the
proper API. Note, cache.ram.storage is not initialized until cache.ram has
been called at least once, so unless you have a cache.ram() somewhere prior
in the same request, cache.ram.storage will be an empty dictionary.
Instead, you should use the proper API:
return cache.ram('message', lambda: None, None)
Using None as the third argument means the existing cached value will be
retrieved (so the output of the lambda function is irrelevant, as it will
never be called).
> def progress():
> # when a form is submitted, change progress each second
> if request.post_vars:
> for i in range(5):
> message = cache.ram('message', lambda: i, time_expire=1)
>
Note, here you want to make sure you update the cached value no matter
what, so set time_expire to 0:
message = cache.ram('message', lambda: i, time_expire=0)
Anthony
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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