import sys
import SimpleITK
from OCC.Exchange import STEPControl_Reader
from OCC.IFSelect import IFSelect_RetDone
from OCC.TopoDS import TopoDS_Shape

def save_shape(shape, filename):
    from OCC.STEPControl import STEPControl_Writer
    writer = STEPControl_Writer()
    writer.Transfer(shape, STEPControl_Reader().StepModel(), False)
    writer.Write(filename)

def parse_step_file(filepath):
    reader = STEPControl_Reader()
    status = reader.ReadFile(filepath.encode('utf-8'))

    if status == IFSelect_RetDone:
        nbr = reader.NbRootsForTransfer()
        reader.TransferRoots()
        shapes = [reader.Shape(i) for i in range(1, nbr + 1)]

        solids = []
        for i, shape in enumerate(shapes, start=1):
            filename = f"solid_{i}.step"
            save_shape(shape, filename)
            solids.append({"name": f"solid_{i}", "file": filename})

        return solids

if __name__ == "__main__":
    step_file_path = sys.argv[1]
    solids = parse_step_file(step_file_path)
    print(solids)  # This print is simplistic; in practice, you might write this to a file or handle differently.