Deprecating RBF options in ALMAOpy

idaes/core/surrogate/alamopy.py

@@ -86,8 +86,8 @@ class Screener(Enum):
     "sinfcns",
     "cosfcns",
     "constant",
-    "grbfcns",
-    "rbfparam",
+    # "grbfcns",  # TODO: deprecated
+    # "rbfparam",  # TODO: deprecated
     "modeler",
     "builder",
     "backstepper",
@@ -282,15 +282,15 @@ class AlamoTrainer(SurrogateTrainer):
             description="Include cosine basis functions if True.",
         ),
     )
-    CONFIG.declare(
+    CONFIG.declare(  # TODO: deprecated option
         "grbfcns",
         ConfigValue(
             default=None,
             domain=Bool,
             description="Include Gaussian radial basis functions if True.",
         ),
     )
-    CONFIG.declare(
+    CONFIG.declare(  # TODO: deprecated option
         "rbfparam",
         ConfigValue(
             default=None,
@@ -669,6 +669,15 @@ class AlamoTrainer(SurrogateTrainer):
     def __init__(self, **settings):
         super().__init__(**settings)
 
+        # TODO: Deprecation warnings for RBF options
+        if self.config.grbfcns is not None or self.config.rbfparam is not None:
+            raise ConfigurationError(
+                "Support for radial basis functions in the ALAMOpy wrapper have been "
+                "deprecated due to limitations in the current implementation. "
+                "Pull requests are welcome to address this, otherwise we recommend using "
+                "Pysmo which includes support for radial basis functions."
+            )
+
         self._temp_context = None
         self._almfile = None
         self._trcfile = None

idaes/core/surrogate/tests/test_alamopy.py

@@ -71,6 +71,45 @@ def alamo_trainer(self):
             training_dataframe=data,
         )
 
+    @pytest.mark.unit
+    def test_rbf_deprecation(self):
+        data = {"x1": [1, 2, 3, 4], "x2": [5, 6, 7, 8], "z1": [10, 20, 30, 40]}
+        data = pd.DataFrame(data)
+
+        input_labels = ["x1", "x2"]
+        output_labels = ["z1"]
+        bnds = {"x1": (0, 5), "x2": (0, 10)}
+
+        with pytest.raises(
+            ConfigurationError,
+            match="Support for radial basis functions in the ALAMOpy wrapper have been "
+            "deprecated due to limitations in the current implementation. "
+            "Pull requests are welcome to address this, otherwise we recommend using "
+            "Pysmo which includes support for radial basis functions.",
+        ):
+            AlamoTrainer(
+                input_labels=input_labels,
+                output_labels=output_labels,
+                input_bounds=bnds,
+                training_dataframe=data,
+                grbfcns=True,
+            )
+
+        with pytest.raises(
+            ConfigurationError,
+            match="Support for radial basis functions in the ALAMOpy wrapper have been "
+            "deprecated due to limitations in the current implementation. "
+            "Pull requests are welcome to address this, otherwise we recommend using "
+            "Pysmo which includes support for radial basis functions.",
+        ):
+            AlamoTrainer(
+                input_labels=input_labels,
+                output_labels=output_labels,
+                input_bounds=bnds,
+                training_dataframe=data,
+                rbfparam=1.0,
+            )
+
     @pytest.mark.unit
     def test_get_files(self, alamo_trainer):
         alamo_trainer.config.filename = "foo.alm"
@@ -486,8 +525,6 @@ def test_writer_full_config(self, alamo_trainer):
             "sinfcns 1\n"
             "cosfcns 0\n"
             "constant 1\n"
-            "grbfcns 1\n"
-            "rbfparam 7.0\n"
             "modeler 3\n"
             "builder 1\n"
             "backstepper 0\n"