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49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
from collections.abc import Generator
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from flask import Flask
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from qcloud_cos import CosConfig, CosS3Client
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from extensions.storage.base_storage import BaseStorage
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class TencentStorage(BaseStorage):
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"""Implementation for tencent cos storage.
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"""
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def __init__(self, app: Flask):
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super().__init__(app)
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app_config = self.app.config
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self.bucket_name = app_config.get('TENCENT_COS_BUCKET_NAME')
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config = CosConfig(
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Region=app_config.get('TENCENT_COS_REGION'),
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SecretId=app_config.get('TENCENT_COS_SECRET_ID'),
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SecretKey=app_config.get('TENCENT_COS_SECRET_KEY'),
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Scheme=app_config.get('TENCENT_COS_SCHEME'),
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)
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self.client = CosS3Client(config)
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def save(self, filename, data):
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self.client.put_object(Bucket=self.bucket_name, Body=data, Key=filename)
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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)['Body'].get_raw_stream().read()
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return data
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def load_stream(self, filename: str) -> Generator:
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def generate(filename: str = filename) -> Generator:
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response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
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while chunk := response['Body'].get_stream(chunk_size=4096):
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yield chunk
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return generate()
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def download(self, filename, target_filepath):
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response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
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response['Body'].get_stream_to_file(target_filepath)
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def exists(self, filename):
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return self.client.object_exists(Bucket=self.bucket_name, Key=filename)
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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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