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45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
from collections.abc import Generator
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import tos
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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 VolcengineTosStorage(BaseStorage):
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"""Implementation for Volcengine TOS storage."""
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def __init__(self):
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super().__init__()
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self.bucket_name = dify_config.VOLCENGINE_TOS_BUCKET_NAME
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self.client = tos.TosClientV2(
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ak=dify_config.VOLCENGINE_TOS_ACCESS_KEY,
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sk=dify_config.VOLCENGINE_TOS_SECRET_KEY,
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endpoint=dify_config.VOLCENGINE_TOS_ENDPOINT,
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region=dify_config.VOLCENGINE_TOS_REGION,
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)
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def save(self, filename, data):
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self.client.put_object(bucket=self.bucket_name, key=filename, content=data)
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def load_once(self, filename: str) -> bytes:
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data = self.client.get_object(bucket=self.bucket_name, key=filename).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.get_object(bucket=self.bucket_name, key=filename)
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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.get_object_to_file(bucket=self.bucket_name, key=filename, file_path=target_filepath)
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def exists(self, filename):
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res = self.client.head_object(bucket=self.bucket_name, key=filename)
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if res.status_code != 200:
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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.delete_object(bucket=self.bucket_name, key=filename)
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