>From what I can see, the call in the index function works fine, but the
problem is in all calls to the callback.
Would it work better with a session data instead of cache.ram?
On Monday, February 16, 2015 at 4:24:51 PM UTC+11, Massimo Di Pierro wrote:
>
> I was wrong in saying I was wrong. The example in spreadsheet.py says:
>
> def callback():
>
> return cache.ram('sheet1', lambda: None,
> None).process(request)
>
>
> def index():
>
> # standard spreadsheet method
>
> sheet = cache.ram('sheet1',
>
> lambda: Sheet(10, 10, URL(r=request, f='callback')), 0)
>
> so the index() function stores a Sheet object in the cache.ram, the
> callback function retrieves it and calls a method of that object. Notice
> there is a problem. This only works when you have a single process sharing
> cache.ram.
>
> On Sunday, 15 February 2015 21:08:11 UTC-6, Massimo Di Pierro wrote:
>>
>> That line is clearly wrong!
>>
>> On Sunday, 15 February 2015 19:06:31 UTC-6, chris_g wrote:
>>>
>>>
>>> I am taking a look at the spreadsheet controller in
>>> /examples/spreadsheet in web2py Version 2.9.12 (on CentOS 6.6) .
>>>
>>> The callback function is throwing this error.
>>>
>>>
>>> Traceback (most recent call last):
>>> File "/var/www/web2py/gluon/restricted.py", line 224, in restricted
>>> exec ccode in environment
>>> File
>>> "/var/www/web2py/applications/examples/controllers/spreadsheet.py", line
>>> 12, in <module>
>>> File "/var/www/web2py/gluon/globals.py", line 393, in <lambda>
>>> self._caller = lambda f: f()
>>> File
>>> "/var/www/web2py/applications/examples/controllers/spreadsheet.py", line 4,
>>> in callback
>>> return cache.ram('sheet1', lambda: None, None).process(request)
>>> AttributeError: 'NoneType' object has no attribute 'process'
>>>
>>>
>>> I can't see other examples of code that call a ram.cache().process()
>>> method. Is this code using some defunct functionality?
>>>
>>> I can see a lot of uses for this spreadsheet module and would be very
>>> happy to assist with getting it working out of the box.
>>>
>>> Does anyone have a working example that they can point me to?
>>>
>>> Chris
>>>
>>
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