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Background Tasks in FastAPI
Before jumping into Celery. Let's start with the most straightforward tool to help us understand background tasks. FastAPI already has a BackgroundTasks class that can help us implement simple background tasks. Let's create a virtual environment to isolate our project requirements. python -m venv env Now, all we need is FastAPI and a web server e.g. Uvicorn or Hypercorn. Before installing these le
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今回やりãŸã„ã“㨠API経由ã§ãƒãƒƒãƒå‡¦ç†ã¨ã‹é‡ã„処ç†ã‚’å‹•ã‹ã—ã¦ãŠã„ã¦ã€UIå´ã§çŠ¶æ…‹ã‚’監視ã—ãŸã„…ãªã‚“ã¦ã“ã¨ã‚るよã。今回ã¯ãã‚“ãªæ™‚ã®å‡¦ç†ã‚’書ã„ã¦ã„ã“ã†ã¨æ€ã„ã¾ã™ã€‚ APIã‹ã‚‰ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰ã§é‡ã„処ç†ã‚’èµ·å‹•ã—ãŸã„ ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰å‡¦ç†ã®çŠ¶æ…‹ã‚’å–å¾—ã—ã¦ç”»é¢å´ã§è¡¨ç¤ºã—ãŸã„ 処ç†ä¸ã§ã‚‚APIã¸ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã¯æ¢ã‚ãŸããªã„ 今回ã¯ã¨ã‚Šã‚ãˆãšAPI処ç†ã ã‘ã«ç•™ã‚よã†ã¨æ€ã„ã¾ã™ã€‚ APIãŒå‡ºæ¥ã¡ã‚ƒãˆã°ç”»é¢å´ã¯ã”自由ã«ã¨ã„ã£ãŸæ„Ÿã˜ã§ã™ã€‚ 環境 Python 3.9.2 FastAPI 0.68.1 å„処ç†ã‚’書ã„ã¦ã„ã FastAPIã«ã¯ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰å‡¦ç†ç”¨ã«Background TasksãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ å…¬å¼ã‚’見ã¦ã‚‚分ã‹ã‚‹é€šã‚Šã‹ãªã‚Šã‚·ãƒ³ãƒ—ルã«æ›¸ã‘ã¾ã™ã€‚add_taskã«ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰å‡¦ç†ã‚’入れるã ã‘。後ã¯ãŠä»»ã›ã€‚ç´ æ™´ã‚‰ã—ã„。 #!/usr/bin/env python3 import time
FastAPIã®"def"ã¨"async def"ã£ã¦çµå±€ã€Œã©ã£ã¡ã‚’使ãˆã°è‰¯ã„ã‚“ã˜ã‚ƒã‚ã†ï¼Ÿã€ - Qiita
ã¯ã˜ã‚ã« FastAPIを始ã‚ã¦ã¿ãŸã¨ã“ã‚ã€async/await構文ãŒã‚ã‚Šã€Pythonã«ã‚‚「async/await構文ãŒã‚ã‚‹ã‚“ã ãªãƒ¼ã€ã¨åˆã‚ã¦ãã®å˜åœ¨ã‚’知ã£ãŸã€‚ ã—ã‹ã—ã€FastAPIã®ã‚µãƒ³ãƒ—ルコードやãƒãƒƒãƒˆã§å…¬é–‹ã•ã‚Œã¦ã„るコードを見るã¨ã€async defã¨defã‚’ã©ã®ã‚ˆã†ã«ä½¿ã„分ã‘ã¦ã„ã‚‹ã®ã‹ã‚ˆãã‚ã‹ã‚‰ãšã€çµå±€ã€ã€Œã©ã£ã¡ã‚’使ãˆã°è‰¯ã„ã‚“ã˜ã‚ƒã‚ã†ï¼Ÿã€ã¨ã„ã†æ°—æŒã¡ã«ãªã£ãŸã®ã§ã€async/awaitã€åŒæœŸ / éžåŒæœŸï¼ˆä¸¦è¡Œå‡¦ç†ï¼‰ã‚’調ã¹ã¤ã¤ã€çµè«–ã‚’å°Žã„ã¦ã¿ã‚‹ã“ã¨ã«ã—ãŸã€‚ ã„ããªã‚Šçµè«– Path operation 関数ã®å ´åˆã€async defã§ã¯ãªãdefã§ã€åŸºæœ¬ã€å®Ÿè£…ã™ã‚‹ã€‚ defã ã‘ã§ã‚‚ã€å¤–部スレッドプールã§éžåŒæœŸå‡¦ç†ã•ã‚Œã‚‹ã‚ˆã†ã«ãƒ•ãƒ¬ãƒ¼ãƒ ワークã¨ã—ã¦å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã¨ã®ã“㨠async defを使ã£ãŸæ–¹ãŒè‰¯ã„ã®ã¯ä»¥ä¸‹ã®2ケース async/awaitをサãƒãƒ¼ãƒˆã—ã¦ã„るライブラリを利用ã—ãŸ
StepFunctionsã®å…¥åŠ›æ–¹æ³•ã‚µãƒ³ãƒ—ルメモ集 - Qiita
require 'json' def lambda_handler(event:, context:) puts event puts context { statusCode: 200, body: JSON.generate('Hello from Lambda!') } end { "Comment": "test", "StartAt": "Hello", "States": { "Hello": { "Type": "Task", "Resource": "arn:aws:lambda:ap-northeast-1:xxx:function:inputparameter-test", "InputPath": "$.num1", "End": true } } }
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GitHub - mjhea0/awesome-fastapi: A curated list of awesome things related to FastAPI
GitHub - zhanymkanov/fastapi-best-practices: FastAPI Best Practices and Conventions we used at our startup
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