sets len to a list of values, then exports a stl for each

ExportLenParam.py

"""This file acts as the main module for this script."""

import traceback
import adsk.core
import adsk.fusion
import os
# import adsk.cam

# Initialize the global variables for the Application and UserInterface objects.
app = adsk.core.Application.get()
ui  = app.userInterface


def run(_context: str):
    """This function is called by Fusion when the script is run."""

    def export_stl(len):
        lenParam.expression = str(len)

        adsk.doEvents()

        filename = os.path.join(folder, f"{modelName}_{len}mm.stl")

        exportMgr = adsk.fusion.ExportManager.cast(design.exportManager)
        stlOptions = exportMgr.createSTLExportOptions(rootComp)
        stlOptions.meshRefinement = adsk.fusion.MeshRefinementSettings.MeshRefinementHigh

        stlOptions.filename = filename
        exportMgr.execute(stlOptions)
        return 1


    try:
        design = adsk.fusion.Design.cast(app.activeProduct)
        rootComp = design.rootComponent
        modelName = design.rootComponent.name.split(' v')[0]

        folder = '/tmp/'

        lenParam = design.allParameters.itemByName('len')

        assert(lenParam)

        (sizesSt, cancelled) = ui.inputBox("Enter the sizes to export for parm len:")

        sizes = list(map(int, sizesSt.split()))

        count = sum(map(export_stl, sizes))
            
        ui.messageBox(f"Finished exporting {count} stl files with sizes {sizes}")

    except: 

        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

        app.log(f'Failed:\n{traceback.format_exc()}')