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