December 2017
Beginner
624 pages
15h 38m
Korean
Content preview from Head First Python, 개정판 : 스스로 질문하며 답을 찾는 파이썬 학습서(Python 3)
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지금 여기예요
4
511
스레드 맛보기
당황하지 말고 플라스크의 지원을
받으세요
지금까지 살펴본 내용에 의하면
log
_
request
함수를 스레드에서 실행하면 인자
데이터를
‘
사용
’
할 수 없을 것 같습니다.
do
_
search
함수가 끝나면서 인터프리터가
마무리 작업을 수행하고 변수가 사용한 메모리를 회수하기 때문입니다. 특히
request
객체가 만료되었으므로
log
_
request
에서 사용할 수 없습니다.
이제 어떻게 해야 하죠? 초조해하지 마세요. 도움이 손길이 오고 있으니까요.
이제 와서 ‘log_request’ 함수를 다시 구현해야
한다고 말할 것만 같아서 이성을 거의 잃었다고요.
아시겠어요?
다시 구현할 필요 없습니다.
얼핏 보면
log
_
request
가 인잣값에 의존하지 않도록 함수를
다시 구현해야 한다고 생각할 수도 있습니다. 하지만 플라스크의
장식자를 이용해 이 문제를 해결할 수 있어요.
copy
_
current
_
request
_
context
라는 장식자를
이용하면 함수를 호출했을 때 활성 상태인
HTTP
요청을 나중에
스레드에서 함수가 호출되는 순간에도 유지시켜 줍니다. 웹앱
코드 윗부분의 임포트 목록에
copy
_
current
_
request
_
context
를 추가하세요.
다른 장식자와 마찬가지로
@
문법을 이용해 기존 함수에 장식자를
적용할 수 있 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.