Source code for pyiron_workflow.constant

from __future__ import annotations

import flowrep as fr

from pyiron_workflow import datatypes, execution




class Constant(
    datatypes.StaticNode[fr.schemas.ConstantRecipe, fr.schemas.ConstantData]
):



    @classmethod
    def from_value(
        cls, value: fr.schemas.JSONABLE, label: fr.schemas.Label | None = None
    ):
        return cls(
            fr.schemas.ConstantRecipe(constant=value),
            "constant" if label is None else label,
        )


    @classmethod
    def _result_type(cls) -> type[fr.schemas.ConstantData]:
        return fr.schemas.ConstantData



    def evaluate(
        self,
        run: execution.Run[execution.ResultType],
        config: execution.RunConfig,
    ) -> execution.Run[execution.ResultType]:
        run.result = fr.tools.recipe2data(self.recipe)
        return run