serializing FitRecipe or FitResults object?

[cl3...@columbia.edu]

I was hoping to store my refinement results and it comes to my mind if I can serialize FitRecipe objects then all the necessary information is recoverable, like G_gal and parameter values.

I tried to pickle the FitRecipe/FitResults objects. The ``pickle.dump`` step is possible, but when I wanted to ``pickle.load``, it gives me following error when recovering both FitRecipe/FitResults

````
/Users/timothyliu/miniconda3/envs/diffpy/lib/python2.7/site-packages/diffpy.srfit-1.2-py2.7.egg/diffpy/srfit/util/weakrefcallable.pyc in __hash__(self)
86
87 def __hash__(self):
---> 88 return hash((self.function, self._wref))
89
90

AttributeError: function
````

Here is my diffpy-cmi version (conda install from diffpy channel)

````
diffpy-cmi 2.0.2 0 diffpy
````

Is there any way I can serialize FitRecipe objects? Thanks.

[Pavol Juhas]

Hi Tim,

It is a bug, serialization of FitRecipe objects should work.

Can you isolate a minimum example that reproduces the bug and post it 

as a new issue at https://github.com/diffpy/diffpy.srfit/issues ?

I suspect it is some constraint function in your recipe that exposes the bug.

Thank you,

Pavol

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[cl3...@columbia.edu]

Hi Pavol,

Thanks for the reply and I will post the issue along with my error message on srfit repo.

On Tuesday, March 21, 2017 at 12:34:47 PM UTC-4, Pavol Juhas wrote:

Hi Tim,

It is a bug, serialization of FitRecipe objects should work.

Can you isolate a minimum example that reproduces the bug and post it 

as a new issue at https://github.com/diffpy/diffpy.srfit/issues ?

I suspect it is some constraint function in your recipe that exposes the bug.

Thank you,

Pavol

On Sun, Mar 19, 2017 at 3:53 PM, <cl3...@columbia.edu> wrote:

I was hoping to store my refinement results and it comes to my mind if I can serialize FitRecipe objects then all the necessary information is recoverable, like G_gal and parameter values.

I tried to pickle the FitRecipe/FitResults objects. The ``pickle.dump`` step is possible, but when I wanted to ``pickle.load``, it gives me following error when recovering both FitRecipe/FitResults

````
/Users/timothyliu/miniconda3/envs/diffpy/lib/python2.7/site-packages/diffpy.srfit-1.2-py2.7.egg/diffpy/srfit/util/weakrefcallable.pyc in __hash__(self)
     86
     87     def __hash__(self):
---> 88         return hash((self.function, self._wref))
     89
     90

AttributeError: function
````

Here is my diffpy-cmi version (conda install from diffpy channel)

````
diffpy-cmi                2.0.2                         0    diffpy
````

Is there any way I can serialize FitRecipe objects? Thanks.

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