dify/api/extensions/storage/tencent_cos_storage.py

44 lines
1.6 KiB
Python

from collections.abc import Generator
from qcloud_cos import CosConfig, CosS3Client
from configs import dify_config
from extensions.storage.base_storage import BaseStorage
class TencentCosStorage(BaseStorage):
"""Implementation for Tencent Cloud COS storage."""
def __init__(self):
super().__init__()
self.bucket_name = dify_config.TENCENT_COS_BUCKET_NAME
config = CosConfig(
Region=dify_config.TENCENT_COS_REGION,
SecretId=dify_config.TENCENT_COS_SECRET_ID,
SecretKey=dify_config.TENCENT_COS_SECRET_KEY,
Scheme=dify_config.TENCENT_COS_SCHEME,
)
self.client = CosS3Client(config)
def save(self, filename, data):
self.client.put_object(Bucket=self.bucket_name, Body=data, Key=filename)
def load_once(self, filename: str) -> bytes:
data = self.client.get_object(Bucket=self.bucket_name, Key=filename)["Body"].get_raw_stream().read()
return data
def load_stream(self, filename: str) -> Generator:
response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
yield from response["Body"].get_stream(chunk_size=4096)
def download(self, filename, target_filepath):
response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
response["Body"].get_stream_to_file(target_filepath)
def exists(self, filename):
return self.client.object_exists(Bucket=self.bucket_name, Key=filename)
def delete(self, filename):
self.client.delete_object(Bucket=self.bucket_name, Key=filename)