import sys
import os
import argparse
import bpy

# get all args after "--"
argv = sys.argv
argv = argv[argv.index("--") + 1:]

parser = argparse.ArgumentParser()
parser.add_argument('-o','--output')

args = parser.parse_args(argv)
basedir = os.path.dirname(args.output)
if basedir is not '':
    os.makedirs(basedir, exist_ok=True)

# You can read the documentation at:
# https://github.com/KhronosGroup/glTF-Blender-Exporter/blob/master/docs/user.md
bpy.ops.export_scene.glb(filepath=args.output,
                         # Embedding
                         export_copyright="Zenly",
                         # Nodes
                         export_selected=False,
                         export_layers=True,
                         export_extras=True,
                         # Mesh
                         export_apply=True,
                         # Attributes
                         export_texcoords=True,
                         export_normals=True,
                         export_tangents=True,
                         export_colors=True,
                         # Objects
                         export_materials=True,
                         export_cameras=True,
                         export_camera_infinite=False,
                         # Animation
                         export_animations=True)