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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