| from collections.abc import Generator | |
| from obs import ObsClient | |
| from configs import dify_config | |
| from extensions.storage.base_storage import BaseStorage | |
| class HuaweiObsStorage(BaseStorage): | |
| """Implementation for Huawei OBS storage.""" | |
| def __init__(self): | |
| super().__init__() | |
| self.bucket_name = dify_config.HUAWEI_OBS_BUCKET_NAME | |
| self.client = ObsClient( | |
| access_key_id=dify_config.HUAWEI_OBS_ACCESS_KEY, | |
| secret_access_key=dify_config.HUAWEI_OBS_SECRET_KEY, | |
| server=dify_config.HUAWEI_OBS_SERVER, | |
| ) | |
| def save(self, filename, data): | |
| self.client.putObject(bucketName=self.bucket_name, objectKey=filename, content=data) | |
| def load_once(self, filename: str) -> bytes: | |
| data = self.client.getObject(bucketName=self.bucket_name, objectKey=filename)["body"].response.read() | |
| return data | |
| def load_stream(self, filename: str) -> Generator: | |
| response = self.client.getObject(bucketName=self.bucket_name, objectKey=filename)["body"].response | |
| while chunk := response.read(4096): | |
| yield chunk | |
| def download(self, filename, target_filepath): | |
| self.client.getObject(bucketName=self.bucket_name, objectKey=filename, downloadPath=target_filepath) | |
| def exists(self, filename): | |
| res = self._get_meta(filename) | |
| if res is None: | |
| return False | |
| return True | |
| def delete(self, filename): | |
| self.client.deleteObject(bucketName=self.bucket_name, objectKey=filename) | |
| def _get_meta(self, filename): | |
| res = self.client.getObjectMetadata(bucketName=self.bucket_name, objectKey=filename) | |
| if res.status < 300: | |
| return res | |
| else: | |
| return None | |