Source code for ess.snspowder.powgen.workflow

# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2024 Scipp contributors (https://github.com/scipp)

import sciline

from ess.powder import providers as powder_providers
from ess.powder.types import (
    EmptyCanRun,
    KeepEvents,
    NeXusDetectorName,
    SampleRun,
    VanadiumRun,
)
from ess.reduce.nexus.workflow import gravity_vector_neg_y

from . import beamline




def default_parameters() -> dict:
    return {
        KeepEvents[SampleRun]: KeepEvents[SampleRun](True),
        KeepEvents[VanadiumRun]: KeepEvents[VanadiumRun](False),
        KeepEvents[EmptyCanRun]: KeepEvents[EmptyCanRun](True),
        NeXusDetectorName: "powgen_detector",
    }





def PowgenWorkflow() -> sciline.Pipeline:
    """
    Workflow with default parameters for the Powgen SNS instrument.
    """
    # The package does not depend on pooch which is needed for the tutorial
    # data. Delay import until workflow is actually used.
    from . import data

    return sciline.Pipeline(
        providers=(
            *powder_providers,
            *beamline.providers,
            *data.providers,
            gravity_vector_neg_y,
        ),
        params=default_parameters(),
    )



__all__ = ['PowgenWorkflow', 'default_parameters']