53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
from dataclasses import dataclass
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from typing import BinaryIO
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import boto3
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from botocore.config import Config
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from django.conf import settings
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@dataclass(frozen=True)
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class StoredObject:
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bucket: str
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object_key: str
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content_type: str
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size_bytes: int
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class TosStorage:
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def __init__(self) -> None:
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tos = settings.TOS
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self.bucket = tos["bucket"]
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self.client = boto3.client(
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"s3",
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endpoint_url=tos["endpoint"],
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aws_access_key_id=tos["access_key_id"],
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aws_secret_access_key=tos["secret_access_key"],
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region_name="cn-shanghai",
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config=Config(s3={"addressing_style": "virtual"}),
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)
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def upload_fileobj(self, *, fileobj: BinaryIO, object_key: str, content_type: str) -> StoredObject:
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fileobj.seek(0, 2)
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size = fileobj.tell()
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fileobj.seek(0)
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self.client.upload_fileobj(
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fileobj,
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self.bucket,
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object_key,
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ExtraArgs={"ContentType": content_type},
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)
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return StoredObject(
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bucket=self.bucket,
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object_key=object_key,
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content_type=content_type,
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size_bytes=size,
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)
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def presigned_get_url(self, *, object_key: str, expires_in: int = 3600) -> str:
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return self.client.generate_presigned_url(
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"get_object",
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Params={"Bucket": self.bucket, "Key": object_key},
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ExpiresIn=expires_in,
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)
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