update:切片上传
This commit is contained in:
lan
+97
-63
@@ -1,5 +1,7 @@
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import os
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import asyncio
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import time
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import uuid
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from datetime import datetime
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from pathlib import Path
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from typing import BinaryIO
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@@ -16,6 +18,101 @@ if settings.STORAGE_ENGINE == 'aliyunsystem':
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import oss2
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class FileSystemStorage:
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def __init__(self):
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self.DATA_ROOT = Path(settings.DATA_ROOT)
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self.STATIC_URL = settings.STATIC_URL
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self.NAME = "filesystem"
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self.DOWN_PATH = '/select'
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async def get_filepath(self, text: str):
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return self.DATA_ROOT / text.lstrip(self.STATIC_URL + '/')
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async def get_url(self, info: Codes):
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return f'{self.DOWN_PATH}?code={info.code}'
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async def get_text(self, file: UploadFile, key: str):
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ext = file.filename.split('.')[-1]
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now = datetime.now()
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path = self.DATA_ROOT / f"upload/{now.year}/{now.month}/{now.day}/"
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if not path.exists():
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path.mkdir(parents=True)
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text = f"{self.STATIC_URL}/{(path / f'{key}.{ext}').relative_to(self.DATA_ROOT)}"
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return text
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@staticmethod
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async def get_size(file: UploadFile):
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f = file.file
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f.seek(0, os.SEEK_END)
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size = f.tell()
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f.seek(0, os.SEEK_SET)
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return size
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@staticmethod
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def _save(filepath, file: BinaryIO):
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with open(filepath, 'wb') as f:
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chunk_size = 256 * 1024
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chunk = file.read(chunk_size)
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while chunk:
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f.write(chunk)
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chunk = file.read(chunk_size)
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@staticmethod
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def _save_chunk(filepath, file: bytes):
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with open(filepath, 'wb') as f:
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f.write(file)
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async def create_upload_file(self):
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file_key = uuid.uuid4().hex
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file_path = self.DATA_ROOT / f"temp/{file_key}"
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if not file_path.exists():
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file_path.mkdir(parents=True)
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return file_key
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async def save_chunk_file(self, file_key, file_chunk, chunk_index, chunk_total):
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file_path = self.DATA_ROOT / f"temp/{file_key}/"
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await asyncio.to_thread(self._save_chunk, file_path / f"{chunk_total}-{chunk_index}.temp", file_chunk)
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async def merge_chunks(self, file_key, file_name, total_chunks: int):
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ext = file_name.split('.')[-1]
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now = datetime.now()
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path = self.DATA_ROOT / f"upload/{now.year}/{now.month}/{now.day}/"
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if not path.exists():
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path.mkdir(parents=True)
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text = f"{self.STATIC_URL}/{(path / f'{file_key}.{ext}').relative_to(self.DATA_ROOT)}"
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with open(path / f'{file_key}.{ext}', 'wb') as f:
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for i in range(1, total_chunks + 1):
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now_temp = self.DATA_ROOT / f'temp/{file_key}/{total_chunks}-{i}.temp'
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with open(now_temp, 'rb') as r:
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f.write(r.read())
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await asyncio.to_thread(os.remove, now_temp)
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await asyncio.to_thread(os.rmdir, self.DATA_ROOT / f'temp/{file_key}/')
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return text
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async def save_file(self, file: UploadFile, text: str):
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filepath = await self.get_filepath(text)
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await asyncio.to_thread(self._save, filepath, file.file)
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async def delete_file(self, text: str):
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filepath = await self.get_filepath(text)
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if filepath.exists():
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await asyncio.to_thread(os.remove, filepath)
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await asyncio.to_thread(self.judge_delete_folder, filepath)
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async def delete_files(self, texts):
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tasks = [self.delete_file(text) for text in texts]
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await asyncio.gather(*tasks)
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def judge_delete_folder(self, filepath):
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current = filepath.parent
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while current != self.DATA_ROOT:
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if not list(current.iterdir()):
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os.rmdir(current)
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current = current.parent
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else:
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break
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class AliyunFileStorage:
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def __init__(self):
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auth = oss2.Auth(settings.KeyId, settings.KeySecret)
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@@ -71,69 +168,6 @@ class AliyunFileStorage:
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self.bucket.delete_object(text)
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class FileSystemStorage:
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def __init__(self):
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self.DATA_ROOT = Path(settings.DATA_ROOT)
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self.STATIC_URL = settings.STATIC_URL
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self.NAME = "filesystem"
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self.DOWN_PATH = '/select'
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async def get_filepath(self, text: str):
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return self.DATA_ROOT / text.lstrip(self.STATIC_URL + '/')
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async def get_url(self, info: Codes):
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return f'{self.DOWN_PATH}?code={info.code}'
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async def get_text(self, file: UploadFile, key: str):
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ext = file.filename.split('.')[-1]
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now = datetime.now()
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path = self.DATA_ROOT / f"upload/{now.year}/{now.month}/{now.day}/"
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if not path.exists():
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path.mkdir(parents=True)
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text = f"{self.STATIC_URL}/{(path / f'{key}.{ext}').relative_to(self.DATA_ROOT)}"
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return text
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@staticmethod
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async def get_size(file: UploadFile):
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f = file.file
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f.seek(0, os.SEEK_END)
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size = f.tell()
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f.seek(0, os.SEEK_SET)
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return size
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@staticmethod
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def _save(filepath, file: BinaryIO):
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with open(filepath, 'wb') as f:
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chunk_size = 256 * 1024
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chunk = file.read(chunk_size)
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while chunk:
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f.write(chunk)
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chunk = file.read(chunk_size)
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async def save_file(self, file: UploadFile, text: str):
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filepath = await self.get_filepath(text)
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await asyncio.to_thread(self._save, filepath, file.file)
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async def delete_file(self, text: str):
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filepath = await self.get_filepath(text)
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if filepath.exists():
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await asyncio.to_thread(os.remove, filepath)
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await asyncio.to_thread(self.judge_delete_folder, filepath)
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async def delete_files(self, texts):
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tasks = [self.delete_file(text) for text in texts]
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await asyncio.gather(*tasks)
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def judge_delete_folder(self, filepath):
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current = filepath.parent
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while current != self.DATA_ROOT:
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if not list(current.iterdir()):
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os.rmdir(current)
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current = current.parent
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else:
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break
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STORAGE_ENGINE = {
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"filesystem": FileSystemStorage,
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"aliyunsystem": AliyunFileStorage
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