game_engine_publishing.py 文件源码

def execute(self, context):
        import html.parser
        import urllib.request

        remote_platforms = []

        ps = context.scene.ge_publish_settings

        # create lib folder if not already available
        lib_path = bpy.path.abspath(ps.lib_path)
        if not os.path.exists(lib_path):
            os.makedirs(lib_path)

        print("Retrieving list of platforms from blender.org...", end=" ", flush=True)

        class AnchorParser(html.parser.HTMLParser):
            def handle_starttag(self, tag, attrs):
                if tag == 'a':
                    for key, value in attrs:
                        if key == 'href' and value.startswith('blender'):
                            remote_platforms.append(value)

        url = 'http://download.blender.org/release/Blender' + bpy.app.version_string.split()[0]
        parser = AnchorParser()
        data = urllib.request.urlopen(url).read()
        parser.feed(str(data))

        print("done", flush=True)

        print("Downloading files (this will take a while depending on your internet connection speed).", flush=True)
        for i in remote_platforms:
            src = '/'.join((url, i))
            dst = os.path.join(lib_path, i)

            dst_dir = '.'.join([i for i in dst.split('.') if i not in {'zip', 'tar', 'bz2'}])
            if not os.path.exists(dst) and not os.path.exists(dst.split('.')[0]):
                print("Downloading " + src + "...", end=" ", flush=True)
                urllib.request.urlretrieve(src, dst)
                print("done", flush=True)
            else:
                print("Reusing existing file: " + dst, flush=True)

            print("Unpacking " + dst + "...", end=" ", flush=True)
            if os.path.exists(dst_dir):
                shutil.rmtree(dst_dir)
            shutil.unpack_archive(dst, dst_dir)
            print("done", flush=True)

        print("Creating platform from libs...", flush=True)
        bpy.ops.scene.publish_auto_platforms()
        return {'FINISHED'}