Save Visible as STP-STL-3MF

#Author-
#Description-

# To install/use:
# 1. Open Fusion 360.
# 2. Hit Shift-S to bring up the "Scrips and Add-Ins" window.
# 3. Click "Create".
# 4. Select Python.
# 5. Name the script "Save Visible as STP-STL-3MF" and click "Create".
# 6. Click "Edit". Your PY IDE / text editor should appear.
# 7. Paste this script in and save.

# 1. Hit Shift-S to bring up the "Scrips and Add-Ins" window.
# 2. Select "Save Visible as STP-STL-3MF".
# 3. Click "Run".
# 4. Look for your output in this folder: "%appdata%\Autodesk\Autodesk Fusion 360\API\Scripts\Save Visible as STP-STL-3MF\out"


import adsk.core, adsk.fusion, traceback
import os.path, sys

def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface

        # get active design
        product = app.activeProduct
        design = adsk.fusion.Design.cast(product)

        # get root component in this design
        rootComp = design.rootComponent

        # create a single exportManager instance
        exportMgr = design.exportManager

        # get the script location
        scriptDir = os.path.dirname(os.path.realpath(__file__))

        # Create out dir if it does not exist
        outDir = scriptDir + '/' + 'out'
        if not os.path.exists(outDir):
            os.mkdir(outDir)


        # Create design dir if it does not exist
        designDir = outDir + '/' + rootComp.name
        if not os.path.exists(designDir):
            os.mkdir(designDir)

        # export the root component in 3MF format
        fileName = designDir + '/' + rootComp.name
        stpOptions = exportMgr.createC3MFExportOptions(rootComp, fileName)
        exportMgr.execute(stpOptions)

        # export the occurrence one by one in the root component to a specified file
        allOcc = rootComp.allOccurrences

        for occ in allOcc:
            if occ.isLightBulbOn:
                fileName = designDir + '/' + occ.component.name

                # export the occurrence in STL format
                stlExportOptions = exportMgr.createSTLExportOptions(occ, fileName)
                stlExportOptions.sendToPrintUtility = False
                exportMgr.execute(stlExportOptions)

                # export the occurrence in STP format
                stpOptions = exportMgr.createSTEPExportOptions(fileName, occ.component)
                exportMgr.execute(stpOptions)

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