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function-field calling order

Asked by Martin Collins

What determines the order that function-field functions get called?

I have a model with several function fields. Some of the functions get called repeatedly but some don't get called at all. The order seems random.

Since I cannot rely on all functions being called I would like to chain them, as the values of some fields depend on other fields which are themselves set by functions. How does such a function get the values set by previous functions? Do I really have to write the object in each function then read it in the next? Seems a little inefficient.

I tried using on_change to call the functions but it is not triggered when a field is changed by a function.

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Best xrg (xrg) said : 		#1

On Wednesday 17 November 2010, you wrote:
> New question #134332 on OpenObject Server:
> https://answers.launchpad.net/openobject-server/+question/134332
>
> What determines the order that function-field functions get called?
>
 Typically, the order is just random. See the definition of a pythonic dict and
the notes about its' iterations.

However, if you really want inter-dependent function fields, there is the
"multi" option which does that: you define a common function for them and do
all the tricks inside that function.

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Martin Collins (mkc-steadfast) said : 		#2

Thanks xrg, that solved my question.