Function custom XML nodes

src/ValuedParamHandler.py

@@ -26,44 +26,20 @@ class ValuedParamHandler(MessageUser):
     with a variety of sources (fixed values, parametric values, data histories, function
     evaluations, etc).
   """
-  @classmethod
-  def get_input_specs(cls, name, descr=""):
-    """
-      Template for parameters that can take a scalar, an ARMA history, or a function
-      @ In, name, string, name for spec (tag)
-      @ In, descr, string, base description for item (this will add to it)
-      @ Out, spec, InputData, value-based spec
-    """
-    spec = InputData.parameterInputFactory(name,
-        descr=descr + r"""This value can be taken from any \emph{one} of the sources described below.""")
-    # VP sources
-    for vp_type in VPFactory.knownTypes():
-      spec.addSub(vp_type.get_input_specs())
-    # addons
-    spec.addSub(InputData.parameterInputFactory('multiplier', contentType=InputTypes.FloatType,
-        descr=r"""Multiplies any value obtained by this parameter by the given value. \default{1}"""))
-    # for when the result obtained needs to grow from year to year
-    # TODO
-    # growth = InputData.parameterInputFactory('growth', contentType=InputTypes.FloatType,
-    #     descr=r"""if this node is given, the value will be adjusted from cycle to cycle by the provided amount.""")
-    # growth_mode = InputTypes.makeEnumType('growthType', 'growthType', ['linear', 'exponential'])
-    # growth.addParam('mode', param_type=growth_mode, required=True,
-    #     descr=r"""determines whether the growth factor should be taken as linear or exponential (compounding).""")
-    # spec.addSub(growth)
-    return spec
-
+  # NOTE: the inputSpec is defined in the ValuedParams Factory module.
   def __init__(self, name):
     """
       Constructor.
       @ In, name, str, name of this valued param
       @ Out, None
     """
     super().__init__()
-    self.name = name         # member whom this ValuedParam provides values, e.g. Component.economics.alpha
-    self._vp = None          # ValuedParam instance
-    self._multiplier = None  # scalar multiplier for evaluation values
-    self._growth_val = None  # used to grow the value year-by-year
-    self._growth_mode = None # mode for growth (e.g. exponenetial, linear)
+    self.name = name           # member whom this ValuedParam provides values, e.g. Component.economics.alpha
+    self._vp = None            # ValuedParam instance
+    self._multiplier = None    # scalar multiplier for evaluation values
+    self._growth_val = None    # used to grow the value year-by-year
+    self._growth_mode = None   # mode for growth (e.g. exponenetial, linear)
+    self._custom_input = None  # additional info from input to pass through
 
   def __repr__(self):
     """
@@ -116,6 +92,8 @@ def read(self, comp_name: str, spec: InputData.ParameterInput, mode: str, alias_
       # elif sub.getName() == 'growth':
       #   self._growth_val = sub.value
       #   self._growth_mode = sub.parameterValues['mode']
+      elif sub.getName() == 'AdditionalInfo':
+        self._custom_input = sub.additionalInput
     if not found:
       self.raiseAnError(IOError, f'Component "{comp_name}" node <{spec.getName()}> expected a ValuedParam ' +
                        f'to define its value source, but none was found! Options include: {knownVPs}')
@@ -203,14 +181,14 @@ def set_object(self, obj):
     """
     self._vp.set_object(obj)
 
-  def evaluate(self, *args, util_factor=False, **kwargs):
+  def evaluate(self, *args, **kwargs):
     """
       Evaluate the ValuedParam, wherever it gets its data from
       @ In, args, list, positional arguments for ValuedParam
       @ In, kwargs, dict, keyword arguements for ValuedParam
       @ Out, evaluate, object, stuff from ValuedParam evaluation
     """
-    data, meta = self._vp.evaluate(*args, **kwargs)
+    data, meta = self._vp.evaluate(*args, custom_input=self._custom_input, **kwargs)
     if self._multiplier is not None:
       for key in data:
         data[key] *= self._multiplier

src/ValuedParams/Activity.py

@@ -86,12 +86,13 @@ def crosscheck(self, interaction):
       'was not found among this Component\'s input/output resources; options are:' +
       f'{", ".join(str_avail)}')
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/Factory.py

@@ -51,14 +51,25 @@ def make_input_specs(self, name, descr=None, allowed=None, kind='singular'):
     for typ, klass in self._registeredTypes.items():
       if typ in allowed:
         spec.addSub(klass.get_input_specs())
-        # addons
+    # addons
     spec.addSub(
       InputData.parameterInputFactory(
         'multiplier',
         contentType=InputTypes.FloatType,
         descr=r"""Multiplies any value obtained by this parameter by the given value. \default{1}"""
       )
     )
+    addl_spec = InputData.parameterInputFactory(
+      'AdditionalInfo',
+      descr=r"""Additional arbitrary input information. For custom-defined parameters, such as \xmlNode{Function},
+            the additional information will be passed as part of the `texttt{meta[``HERON''][``custom_input'']}
+            passed to the user-supplied custom evaluation definition.
+            In the case of the \xmlNode{Function}, this is passed to the method in the Python module indicated by
+            the user, and will be unique for each use of the \xmlNode{Function} in the HERON input. Note that
+            the custom input nodes are not checked in any way by the input parsing."""
+    )
+    addl_spec.setStrictMode(False)
+    spec.addSub(addl_spec)
     return spec
 
 factory = ValuedParamFactory('ValuedParam')

src/ValuedParams/Function.py

@@ -53,17 +53,20 @@ def read(self, comp_name, spec, mode, alias_dict=None):
     self._method_name = spec.parameterValues['method']
     return [self._method_name]
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, data, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """
     if aliases is None:
       aliases = {}
+    if custom_input is not None:
+      inputs['HERON']['custom_input'] = custom_input
     # TODO how to handle aliases for functions?
     # the "request" is what we're asking for from the function, the first argument given.
     # -> note it can be None if the function is not a transfer-type function

src/ValuedParams/Parametric.py

@@ -76,12 +76,13 @@ def set_value(self, value):
     """
     self._parametric = value
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/ROM.py

@@ -98,12 +98,13 @@ def make_sub_vp(self, name, comp, spec, mode):
     self._inputs[name] = {'vp': vp, 'signals': [signal]}
     return signal
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, run information from RAVEN, including meta and other run info
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, inputs, dict, possibly-modified dictionary of run information
     """

src/ValuedParams/RandomVariable.py

@@ -80,12 +80,13 @@ def read(self, comp_name, spec, mode, alias_dict=None):
     self._distribution = self.convert_spec_to_xml(sub_distribution)
     return []
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/StaticHistory.py

@@ -61,12 +61,13 @@ def read(self, comp_name, spec, mode, alias_dict=None):
     self._var_name = spec.parameterValues['variable']
     return [self._var_name]
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/SyntheticHistory.py

@@ -59,12 +59,13 @@ def read(self, comp_name, spec, mode, alias_dict=None):
     self._var_name = spec.parameterValues['variable']
     return [self._var_name]
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/ValuedParam.py

@@ -106,12 +106,13 @@ def set_object(self, obj):
     """
     self._target_obj = obj
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional custom inputs
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

src/ValuedParams/Variable.py

@@ -45,12 +45,13 @@ def read(self, comp_name, spec, mode, alias_dict=None):
     self._raven_var = spec.value
     return [self._raven_var]
 
-  def evaluate(self, inputs, target_var=None, aliases=None):
+  def evaluate(self, inputs, target_var=None, aliases=None, custom_input=None):
     """
       Evaluate this ValuedParam, wherever it gets its data from
       @ In, inputs, dict, stuff from RAVEN, particularly including the keys 'meta' and 'raven_vars'
       @ In, target_var, str, optional, requested outgoing variable name if not None
       @ In, aliases, dict, optional, alternate variable names for searching in variables
+      @ In, custom_input, list, optional, additional input nodes from user input
       @ Out, value, dict, dictionary of resulting evaluation as {vars: vals}
       @ Out, meta, dict, dictionary of meta (possibly changed during evaluation)
     """

tests/integration_tests/mechanics/storage_func/heron_input.xml

@@ -113,6 +113,14 @@
           </driver>
           <reference_price>
             <Function method="flex_price">transfers</Function>
+            <AdditionalInfo>
+              <General>
+                <TheAnswer>42</TheAnswer>
+                <TheQuestion>unknown</TheQuestion>
+              </General>
+              <scalar>-2</scalar>
+              <loc>-0.5</loc>
+            </AdditionalInfo>
           </reference_price>
         </CashFlow>
       </economics>

tests/integration_tests/mechanics/storage_func/transfers.py

@@ -16,8 +16,18 @@ def flex_price(data, meta):
   """
   sine = meta['HERON']['RAVEN_vars']['Signal']
   t = meta['HERON']['time_index']
+  # check for the existince of the custom functions
+  for node in meta['HERON']['custom_input']:
+    if node.tag == 'General':
+      ans = node.find('TheAnswer').text
+      qus = node.find('TheQuestion').text
+    elif node.tag == 'scalar':
+      scalar = float(node.text)
+    elif node.tag == 'loc':
+      loc = float(node.text)
+  print(f'The answer to the question "{qus}" is "{ans}".')
   # DispatchManager
   # scale electricity consumed to flex between -1 and 1
-  amount = - 2 * (sine[t] - 0.5)
+  amount = scalar * (sine[t] + loc)
   data = {'reference_price': amount}
   return data, meta