[Health-dev] [bug #63959] AttributeError: 'gnuhealth.patient' Model has no attribute 'age'

[Mathias Behrle]

URL:
  <https://savannah.gnu.org/bugs/?63959>

                 Summary: AttributeError: 'gnuhealth.patient' Model has no
attribute 'age'
                   Group: GNU Health
               Submitter: yangoon
               Submitted: Fri 24 Mar 2023 09:59:06 AM UTC
                Category: Functionality
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
                 Release: None
         Discussion Lock: Any
                  Module: health
               Component: None


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Follow-up Comments:


-------------------------------------------------------
Date: Fri 24 Mar 2023 09:59:06 AM UTC By: Mathias Behrle <yangoon>
This error raises when creating an evaluation with an unsaved patient:

Traceback (most recent call last):
  File "/.local/lib/python3.7/site-packages/trytond/model/model.py", line 368,
in _getitem
    return getattr(self, field)
AttributeError: age

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/.local/lib/python3.7/site-packages/trytond/model/model.py", line 291,
in __getattr__
    return self._values[name]
  File "/.local/lib/python3.7/site-packages/trytond/model/model.py", line 370,
in _getitem
    raise KeyError(field)
KeyError: 'age'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/.local/lib/python3.7/site-packages/trytond/wsgi.py", line 117, in
dispatch_request
    return endpoint(request, **request.view_args)
  File "/.local/lib/python3.7/site-packages/trytond/protocols/dispatcher.py",
line 47, in rpc
    request, database_name, *request.rpc_params)
  File "/.local/lib/python3.7/site-packages/trytond/wsgi.py", line 84, in
auth_required
    return wrapped(*args, **kwargs)
  File "/.local/lib/python3.7/site-packages/trytond/protocols/wrappers.py",
line 159, in wrapper
    return func(request, pool, *args, **kwargs)
  File "/.local/lib/python3.7/site-packages/trytond/protocols/dispatcher.py",
line 185, in _dispatch
    result = rpc.result(meth(inst, *c_args, **c_kwargs))
  File "/.local/lib/python3.7/site-packages/trytond/model/modelview.py", line
88, in wrapper
    result = func(self, *args, **kwargs)
  File "/.local/lib/python3.7/site-packages/trytond/model/fields/field.py",
line 123, in wrapper
    return func(self, *args, **kwargs)
  File "/.local/lib/python3.7/site-packages/trytond/modules/health/health.py",
line 5019, in on_change_patient
    self.computed_age = self.patient.age
  File "/.local/lib/python3.7/site-packages/trytond/model/modelstorage.py",
line 1485, in __getattr__
    return super(ModelStorage, self).__getattr__(name)
  File "/.local/lib/python3.7/site-packages/trytond/model/model.py", line 294,
in __getattr__
    % (self.__name__, name, self._values))
AttributeError: 'gnuhealth.patient' Model has no attribute 'age':
<trytond.model.model.gnuhealth.patient._record object at 0x7fb4e6f1d208>

While it is in currently not possible to create evaluations outside of a
patient domain in Standard GNU Health (thus always requiring to save the
patient beforehand) the model should nevertheless work in different contexts.

A quick fix is to skip the evaluation of unavailable properties with

    @fields.depends('patient')
    def on_change_patient(self):
        if self.patient.id > 0:
            ...








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