def write_needed_inputs(
self,
source_file_path: str = None,
source_formatter: IVariableIOFormatter = None,
):
"""
Writes the input file of the problem with unconnected inputs of the problem.
.. warning::
:meth:`setup` must have been run on this Problem instance.
Written value of each variable will be taken:
1. from input_data if it contains the variable
2. from defined default values in component definitions
WARNING: if inputs have already been read, they won't be needed any more
and won't be in written file.
:param source_file_path: if provided, variable values will be read from it
:param source_formatter: the class that defines format of input file. if not provided,
expected format will be the default one.
"""
variables = VariableList.from_unconnected_inputs(
self, with_optional_inputs=True)
if source_file_path:
ref_vars = VariableIO(source_file_path, source_formatter).read()
variables.update(ref_vars)
for var in variables:
var.is_input = True
writer = VariableIO(self.input_file_path)
writer.write(variables)
def write_needed_inputs(self,
source_file_path: str = None,
source_formatter: IVariableIOFormatter = None):
"""
Writes the input file of the problem with unconnected inputs of the
configured problem.
Written value of each variable will be taken:
1. from input_data if it contains the variable
2. from defined default values in component definitions
:param source_file_path: if provided, variable values will be read from it
:param source_formatter: the class that defines format of input file. if
not provided, expected format will be the default one.
"""
problem = self.get_problem(read_inputs=False)
problem.setup()
variables = DataFile(self.input_file_path, load_data=False)
variables.update(
VariableList.from_unconnected_inputs(problem,
with_optional_inputs=True),
add_variables=True,
)
if source_file_path:
ref_vars = DataFile(source_file_path, formatter=source_formatter)
variables.update(ref_vars, add_variables=False)
for var in variables:
var.is_input = True
variables.save()
def run_system(
component: System, input_vars: om.IndepVarComp, setup_mode="auto", add_solvers=False
):
"""Runs and returns an OpenMDAO problem with provided component and data"""
problem = om.Problem()
model = problem.model
model.add_subsystem("inputs", input_vars, promotes=["*"])
model.add_subsystem("component", component, promotes=["*"])
if add_solvers:
model.nonlinear_solver = om.NewtonSolver(solve_subsystems=False)
model.linear_solver = om.DirectSolver()
problem.setup(mode=setup_mode)
vars = VariableList.from_unconnected_inputs(problem)
assert not vars, "These inputs are not provided: %s" % vars.names()
problem.run_model()
return problem