File size: 2,064 Bytes
4304c6d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 |
from collections.abc import Generator
from typing import Union
from flask import Flask
from extensions.storage.aliyun_storage import AliyunStorage
from extensions.storage.azure_storage import AzureStorage
from extensions.storage.google_storage import GoogleStorage
from extensions.storage.local_storage import LocalStorage
from extensions.storage.s3_storage import S3Storage
class Storage:
def __init__(self):
self.storage_runner = None
def init_app(self, app: Flask):
storage_type = app.config.get('STORAGE_TYPE')
if storage_type == 's3':
self.storage_runner = S3Storage(
app=app
)
elif storage_type == 'azure-blob':
self.storage_runner = AzureStorage(
app=app
)
elif storage_type == 'aliyun-oss':
self.storage_runner = AliyunStorage(
app=app
)
elif storage_type == 'google-storage':
self.storage_runner = GoogleStorage(
app=app
)
else:
self.storage_runner = LocalStorage(app=app)
def save(self, filename, data):
self.storage_runner.save(filename, data)
def load(self, filename: str, stream: bool = False) -> Union[bytes, Generator]:
if stream:
return self.load_stream(filename)
else:
return self.load_once(filename)
def load_once(self, filename: str) -> bytes:
return self.storage_runner.load_once(filename)
def load_stream(self, filename: str) -> Generator:
return self.storage_runner.load_stream(filename)
def download(self, filename, target_filepath):
self.storage_runner.download(filename, target_filepath)
def exists(self, filename):
return self.storage_runner.exists(filename)
def delete(self, filename):
return self.storage_runner.delete(filename)
storage = Storage()
def init_app(app: Flask):
storage.init_app(app)
|