asyncio + aiohttp で作るウェブサービス / How to develop a web service with asyncio and aiohttp

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&WFOU MPPQ § 3VOEFGBVMUFWFOUMPPQ import asyncio loop = asyncio.get_event_loop() loop.run_forever()
§ 6TFPUIFSFWFOUMPPQ MJCVW CBDLFOE import asyncio import uvloop asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())

§ 6TFPUIFSFWFOUMPPQ MJCVW CBDLFOE import asyncio import uvloop asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) 4UBSUEFGBVMUFWFOUMPPQGPSFWFS

§ 6TFPUIFSFWFOUMPPQ MJCVW CBDLFOE import asyncio import uvloop asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) $IBOHFFWFOUMPPQQPMJDZ

$PSPVUJOFT § &BTZUPVTFDPSPVUJOFT import asyncio async def run(): await asyncio.sleep(1)
coroutine = run() print(coroutine) #=> <coroutine object coroutine at 0x10872bbf8> loop = asyncio.get_event_loop() loop.run_until_complete(coroutine)

coroutine = run() print(coroutine) #=> <coroutine object coroutine at 0x10872bbf8> loop = asyncio.get_event_loop() loop.run_until_complete(coroutine) 6TFBABTZOD EFGATUBUFNFOU

coroutine = run() print(coroutine) #=> <coroutine object coroutine at 0x10872bbf8> loop = asyncio.get_event_loop() loop.run_until_complete(coroutine) $BMMBDPSPVUJOFGVODUJPO

coroutine = run() print(coroutine) #=> <coroutine object coroutine at 0x10872bbf8> loop = asyncio.get_event_loop() loop.run_until_complete(coroutine) 8BJUVOUJMUIFDPSPVUJOFFOET

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return
value future1 = asyncio.ensure_future(identity(1)) future2 = asyncio.ensure_future(identity(2)) future3 = asyncio.gather(future1, future2) loop = asyncio.get_event_loop() print(loop.run_until_complete(future3)) #=> [1, 2]

value future1 = asyncio.ensure_future(identity(1)) future2 = asyncio.ensure_future(identity(2)) future3 = asyncio.gather(future1, future2) loop = asyncio.get_event_loop() print(loop.run_until_complete(future3)) #=> [1, 2] 1SPNJTF %FGGFSFE FUD

value future1 = asyncio.ensure_future(identity(1)) future2 = asyncio.ensure_future(identity(2)) future3 = asyncio.gather(future1, future2) loop = asyncio.get_event_loop() print(loop.run_until_complete(future3)) #=> [1, 2] $PSPVUJOFT'VUVSFT

value future1 = asyncio.ensure_future(identity(1)) future2 = asyncio.ensure_future(identity(2)) future3 = asyncio.gather(future1, future2) loop = asyncio.get_event_loop() print(loop.run_until_complete(future3)) #=> [1, 2] .BLFOFXGVUVSFGSPNUXPGVUVSFT

value future1 = asyncio.ensure_future(identity(1)) future2 = asyncio.ensure_future(identity(2)) future3 = asyncio.gather(future1, future2) loop = asyncio.get_event_loop() print(loop.run_until_complete(future3)) #=> [1, 2] 8BJUVOUJMUIF'VUVSFFOET

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)BOEMFST from aiohttp import web async def items(request): page =
request.query.get(‘page’) items = await item_repository.filter(page) return web.json_response(result) app.router.add_get(‘/items’, items) § .7$XFCBQQGSBNFXPSL`T$POUSPMMFS § SFDFJWFSFRVFTU SFUVSOSFTQPOTF

request.query.get(‘page’) items = await item_repository.filter(page) return web.json_response(result) app.router.add_get(‘/items’, items) § .7$XFCBQQGSBNFXPSL`T$POUSPMMFS § SFDFJWFSFRVFTU SFUVSOSFTQPOTF "TZODISPOPVT%#BDDFTT

request.query.get(‘page’) items = await item_repository.filter(page) return web.json_response(result) app.router.add_get(‘/items’, items) § .7$XFCBQQGSBNFXPSL`T$POUSPMMFS § SFDFJWFSFRVFTU SFUVSOSFTQPOTF "EEBOFXSPVUFUPUIFEFGBVMU63-SPVUFS

)BOEMFST from aiohttp import web routes = web.RouteTableDef() @routes.get(‘/items’) async
def items(request): page = request.query.get(‘page’) items = await item_repository.filter(page) return web.json_response(result) § 4VQQPSU'MBTLMJLFSPVUJOHEFGJOJUJPOT

.JEEMFXBSFT import htmlmin from aiohttp import web @web.middleware async def
htmlmin_middleware(request, handler): response = await handler(request) if response.content_type == 'text/html': response.text = htmlmin.minify(response.text) return response app.middlewares.append(htmlmin_middleware()) § )5.-NJOJGZNJEEMFXBSFTBNQMF

.JEEMFXBSFT import htmlmin from aiohttp import web @web.middleware async def
htmlmin_middleware(request, handler): response = await handler(request) if response.content_type == 'text/html': response.text = htmlmin.minify(response.text) return response app.middlewares.append(htmlmin_middleware()) § )5.-NJOJGZNJEEMFXBSFTBNQMF *OKFDUBTZODISPOPVTNJEEMFXBSF

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FOWJSPONFOUT $ gunicorn myapp:app --bind localhost:8080 --worker-class aiohttp.GunicornWebWorker

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asyncio + aiohttp で作るウェブサービス / How to develo...

asyncio + aiohttp で作るウェブサービス / How to develop a web service with asyncio and aiohttp

Pine Mizune

Transcript

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&WFOU MPPQ § 3VOEFGBVMUFWFOUMPPQ import asyncio loop = asyncio.get_event_loop() loop.run_forever()

&WFOU MPPQ § 3VOEFGBVMUFWFOUMPPQ import asyncio loop = asyncio.get_event_loop() loop.run_forever()

&WFOU MPPQ § 3VOEFGBVMUFWFOUMPPQ import asyncio loop = asyncio.get_event_loop() loop.run_forever()

$PSPVUJOFT § &BTZUPVTFDPSPVUJOFT import asyncio async def run(): await asyncio.sleep(1)

$PSPVUJOFT § &BTZUPVTFDPSPVUJOFT import asyncio async def run(): await asyncio.sleep(1)

$PSPVUJOFT § &BTZUPVTFDPSPVUJOFT import asyncio async def run(): await asyncio.sleep(1)

$PSPVUJOFT § &BTZUPVTFDPSPVUJOFT import asyncio async def run(): await asyncio.sleep(1)

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return

'VUVSFT § .BLF'VUVSF GSPNDPSPVUJOFT improt asyncio async def identity(value): return

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)BOEMFST from aiohttp import web async def items(request): page =

)BOEMFST from aiohttp import web async def items(request): page =

)BOEMFST from aiohttp import web async def items(request): page =

)BOEMFST from aiohttp import web routes = web.RouteTableDef() @routes.get(‘/items’) async

.JEEMFXBSFT import htmlmin from aiohttp import web @web.middleware async def

.JEEMFXBSFT import htmlmin from aiohttp import web @web.middleware async def

1SPEVDUJPO § V84(* JTOPUTVQQPSUFE! § OHJOY (VOJDPSO BSFSFDPNNFOEFECZP⒏DJBM § SVOTTFSWFSXJUIDVTUPNXPSLFS

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