src/PythonAPI/model/roots.py

   1 """Abstract root classes of user-defined Python features producing a Body
   2 Author: Daniel Brunier-Coulin
   3 Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   4 """
   5
   6 import ModelAPI
   7
   8 from .tools import get_value, convert_to_underscore
   9
  10
  11 class Feature(ModelAPI.ModelAPI_Feature):
  12     """Base class of user-defined Python features."""
  13
  14     def __init__(self):
  15         ModelAPI.ModelAPI_Feature.__init__(self)
  16
  17     def addRealInput (self, inputid):
  18         self.data().addAttribute(inputid,
  19                                  ModelAPI.ModelAPI_AttributeDouble_typeId())
  20
  21     def getRealInput (self, inputid):
  22         return self.data().real(inputid).value()
  23
  24     def addResult (self, result):
  25         shape = result.shape()
  26         body = self.document().createBody(self.data())
  27         body.store(shape)
  28         self.setResult(body)
  29
  30
  31 class Interface():
  32     """Base class of high level Python interfaces to features."""
  33
  34     def __init__(self, feature):
  35         self._feature = feature
  36
  37     def __getattr__(self, name):
  38         """Process missing attributes.
  39
  40         Add get*() methods for access feature attributes.
  41         Redirect missing attributes to the feature.
  42         """
  43         if name.startswith("get"):
  44             possible_names = [
  45                 "_" + name[3:],
  46                 "_" + convert_to_underscore(name[3:]),
  47                 ]
  48             for possible_name in possible_names:
  49                 if hasattr(self, possible_name):
  50                     def getter():
  51                         return get_value(getattr(self, possible_name))
  52                     return getter
  53
  54         return self._feature.__getattribute__(name)
  55
  56     def setRealInput(self, inputid, value):
  57         self._feature.data().real(inputid).setValue(value)
  58
  59     def areInputValid(self):
  60         validators = ModelAPI.ModelAPI_Session.get().validators()
  61         return validators.validate(self._feature)
  62
  63     def execute(self):
  64         self._feature.execute()