label-studio.git

			@@ -2,6 +2,7 @@
			import io
			import json
			import logging
			import os
			import pathlib
			import shutil
			from datetime import datetime
			@@ -348,10 +349,27 @@
			out_dir = pathlib.Path(tmp_dir) / OUT
			out_dir.mkdir(mode=0o700, parents=True, exist_ok=True)

			upload_dir = os.path.join(settings.MEDIA_ROOT, settings.UPLOAD_DIR)

			# 调试日志：打印关键参数
			logger.info(f'[COCO Export Debug] ========== Export Started ==========')
			logger.info(f'[COCO Export Debug] Project ID: {self.project.id}')
			logger.info(f'[COCO Export Debug] Export format: {to_format}')
			logger.info(f'[COCO Export Debug] download_resources: {download_resources}')
			logger.info(f'[COCO Export Debug] hostname: {hostname}')
			logger.info(f'[COCO Export Debug] upload_dir: {upload_dir}')
			logger.info(f'[COCO Export Debug] upload_dir exists: {os.path.exists(upload_dir)}')
			if os.path.exists(upload_dir):
			logger.info(f'[COCO Export Debug] upload_dir contents: {os.listdir(upload_dir)}')
			logger.info(f'[COCO Export Debug] tmp_dir: {tmp_dir}')
			logger.info(f'[COCO Export Debug] out_dir: {out_dir}')
			logger.info(f'[COCO Export Debug] settings.MEDIA_ROOT: {settings.MEDIA_ROOT}')
			logger.info(f'[COCO Export Debug] settings.UPLOAD_DIR: {settings.UPLOAD_DIR}')

			converter = Converter(
			config=self.project.get_parsed_config(),
			project_dir=None,
			upload_dir=out_dir,
			upload_dir=upload_dir,
			download_resources=download_resources,
			# for downloading resource we need access to the API
			access_token=self.project.organization.created_by.auth_token.key,
			@@ -360,24 +378,47 @@
			input_name = pathlib.Path(self.file.name).name
			input_file_path = pathlib.Path(tmp_dir) / input_name

			logger.info(f'[COCO Export Debug] input_name: {input_name}')
			logger.info(f'[COCO Export Debug] input_file_path: {input_file_path}')

			with open(input_file_path, 'wb') as file_:
			file_.write(self.file.open().read())

			logger.info(f'[COCO Export Debug] Starting converter.convert...')
			converter.convert(input_file_path, out_dir, to_format, is_dir=False)
			logger.info(f'[COCO Export Debug] Converter.convert completed')

			files = get_all_files_from_dir(out_dir)
			dirs = get_all_dirs_from_dir(out_dir)

			logger.info(f'[COCO Export Debug] Output files: {files}')
			logger.info(f'[COCO Export Debug] Output dirs: {dirs}')

			# 检查是否有 images 目录
			images_dir = out_dir / 'images'
			if images_dir.exists():
			image_files = list(images_dir.glob('*'))
			logger.info(f'[COCO Export Debug] images/ directory exists with {len(image_files)} files')
			logger.info(f'[COCO Export Debug] Image files: {[f.name for f in image_files]}')
			else:
			logger.warning(f'[COCO Export Debug] images/ directory does NOT exist')

			if len(files) == 0 and len(dirs) == 0:
			logger.error(f'[COCO Export Debug] No files or dirs in output')
			return None
			elif len(files) == 1 and len(dirs) == 0:
			output_file = files[0]
			filename = pathlib.Path(input_name).stem + pathlib.Path(output_file).suffix
			logger.info(f'[COCO Export Debug] Single file output: {output_file}')
			else:
			logger.info(f'[COCO Export Debug] Creating zip archive...')
			shutil.make_archive(out_dir, 'zip', out_dir)
			output_file = pathlib.Path(tmp_dir) / (str(out_dir.stem) + '.zip')
			filename = pathlib.Path(input_name).stem + '.zip'
			logger.info(f'[COCO Export Debug] Zip archive created: {output_file}')

			logger.info(f'[COCO Export Debug] ========== Export Completed ==========')

			# TODO(jo): can we avoid the `f.read()` here?
			with open(output_file, mode='rb') as f:
			return File(