mirror of
https://github.com/langgenius/dify.git
synced 2024-11-16 19:59:50 +08:00
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
import posixpath
|
|
from collections.abc import Generator
|
|
|
|
import oss2 as aliyun_s3
|
|
|
|
from configs import dify_config
|
|
from extensions.storage.base_storage import BaseStorage
|
|
|
|
|
|
class AliyunOssStorage(BaseStorage):
|
|
"""Implementation for Aliyun OSS storage."""
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.bucket_name = dify_config.ALIYUN_OSS_BUCKET_NAME
|
|
self.folder = dify_config.ALIYUN_OSS_PATH
|
|
oss_auth_method = aliyun_s3.Auth
|
|
region = None
|
|
if dify_config.ALIYUN_OSS_AUTH_VERSION == "v4":
|
|
oss_auth_method = aliyun_s3.AuthV4
|
|
region = dify_config.ALIYUN_OSS_REGION
|
|
oss_auth = oss_auth_method(dify_config.ALIYUN_OSS_ACCESS_KEY, dify_config.ALIYUN_OSS_SECRET_KEY)
|
|
self.client = aliyun_s3.Bucket(
|
|
oss_auth,
|
|
dify_config.ALIYUN_OSS_ENDPOINT,
|
|
self.bucket_name,
|
|
connect_timeout=30,
|
|
region=region,
|
|
)
|
|
|
|
def save(self, filename, data):
|
|
self.client.put_object(self.__wrapper_folder_filename(filename), data)
|
|
|
|
def load_once(self, filename: str) -> bytes:
|
|
obj = self.client.get_object(self.__wrapper_folder_filename(filename))
|
|
data = obj.read()
|
|
return data
|
|
|
|
def load_stream(self, filename: str) -> Generator:
|
|
obj = self.client.get_object(self.__wrapper_folder_filename(filename))
|
|
while chunk := obj.read(4096):
|
|
yield chunk
|
|
|
|
def download(self, filename, target_filepath):
|
|
self.client.get_object_to_file(self.__wrapper_folder_filename(filename), target_filepath)
|
|
|
|
def exists(self, filename):
|
|
return self.client.object_exists(self.__wrapper_folder_filename(filename))
|
|
|
|
def delete(self, filename):
|
|
self.client.delete_object(self.__wrapper_folder_filename(filename))
|
|
|
|
def __wrapper_folder_filename(self, filename) -> str:
|
|
return posixpath.join(self.folder, filename) if self.folder else filename
|