Easy glTF/glb Exporter Blender addon

blender_addon_ege.py

bl_info = {
    "name": "Easy glTF/glb Exporter",
    "blender": (2, 80, 0),
    "category": "Experiment",
    "author": "Dirk Krause",
}

import bpy, os

class EgePanel(bpy.types.Panel):
    """create the EGE panel"""
    bl_label = "EGE"
    bl_idname = "OBJECT_PT_EGE"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'UI'
    bl_category = "EGE" # name of panel in 'n' menu

    def draw(self, context):
        layout = self.layout
        row = layout.row()
        row.prop(context.scene, "dir")

addon_keymaps = []

class EasyGlbExporter(bpy.types.Operator):
    """EasyGlbExporter"""
    bl_idname = "ege.1"
    bl_label = "EGE"
    bl_options = {'REGISTER', 'UNDO'}


    def execute(self, context):
        print("panel dir name", context.scene.dir)
        filepath = bpy.context.blend_data.filepath
        dir_name = os.path.dirname(filepath)
        print("blend file path", dir_name)
        print("blend file name", bpy.path.basename(filepath))
        file_name = bpy.path.basename(filepath).rsplit('.', maxsplit=1)[0]
        print(file_name)
        # self.report({'INFO'}, "")

        print("context scene dir",bpy.context.scene.dir)

        real_path = os.path.abspath(bpy.path.abspath(bpy.context.scene.dir))
        print(real_path)

        if context.scene.dir == "//":
            my_path = dir_name + "/" + file_name + ".glb"  # windows???
        else:
            my_path = real_path + "/" + file_name + ".glb"

        print(bpy.data.filepath)
        print("my path", my_path)
        if bpy.data.filepath == "":
            self.report({'ERROR'}, 'please save the file first')
        else:
            bpy.ops.export_scene.gltf(
                filepath=my_path,
                # export_format="GLTF_EMBEDDED"
                export_format="GLB",
                use_visible=True,
                use_active_collection=True,
                export_extras=True,
                export_apply=True,
                export_lights=True
            )

            self.report({'INFO'}, 'saved to ' + my_path)

        return {'FINISHED'}

def menu_func(self, context):
    self.layout.operator(EasyGlbExporter.bl_idname)

def panel_update(self, context):
    print("update")


def register():
    bpy.utils.register_class(EasyGlbExporter)
    bpy.types.VIEW3D_MT_object.append(menu_func)

    # handle the keymap
    wm = bpy.context.window_manager
    km = wm.keyconfigs.addon.keymaps.new(name='Object Mode', space_type='EMPTY')

    kmi = km.keymap_items.new(EasyGlbExporter.bl_idname, 'T', 'PRESS', ctrl=True, shift=True)
    # kmi.properties.total = 4

    addon_keymaps.append((km, kmi))

    bpy.types.Scene.dir = bpy.props.StringProperty(name="Path", subtype="DIR_PATH", default="//", update=panel_update)
    # bpy.types.Scene.file = bpy.props.StringProperty(name="Path", subtype="FILE_PATH")
    bpy.utils.register_class(EgePanel)


def unregister():
    bpy.utils.unregister_class(EasyGlbExporter)
    bpy.utils.unregister_class(EgePanel)

if __name__ == "__main__":
    register()