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book
파이썬으로 살펴보는 아키텍처 패턴
by
오현석
,
해리 퍼시벌
,
밥 그레고리
June 2021
Beginner to intermediate
356 pages
8h 13m
Korean
Hanbit Media, Inc.
Content preview from
파이썬으로 살펴보는 아키텍처 패턴
101
4
장
첫 번째 유스 케이스: 플라스크 API와 서비스 계층
사람들은 다양한 방법으로 이런 문제를 해결한다. 하지만 여기에서는 플라스크를
(
특히 컨테
이너 내부에서
)
시작하고,
Postgres
데이터베이스와 통신할 방법이 필요하다. 필자들이 어떻
게 처리했는지 보고 싶은 독자는 부록
B
를 참조하기 바란다.
4.3
직접 구현하기
이 모든 요소를 가장 뻔한 방법으로 구현하면 코드가 다음과 비슷하다.
플라스크 앱의 첫 번째 버전(
flask
_
app
.
py
)
from flask import Flask, jsonify, request
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
import config
import model
import orm
import repository
orm.start_mappers()
get_session = sessionmaker(bind=create_engine(config.get_postgres_uri()))
app = Flask(__name__)
@app.route(“/allocate”, methods=[‘POST’])
def allocate_endpoint():
session = get_session()
batches = repository.SqlAlchemyRepository(session).list() ...
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ISBN: 9791162244319