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)
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.gltf(filepath=args.output,
                          # Embedding
                          export_copyright="Zenly",
                          export_embed_buffers=False, # leave binary data in .bin
                          export_embed_images=False,
                          export_strip=False,         # JSON not striped
                          # Nodes
                          export_selected=False,
                          export_layers=True,
                          export_extras=True,
                          # Mesh
                          export_apply=False,
                          # 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)