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Head First Python 第2版 ―頭とからだで覚えるPythonの基本
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Head First Python 第2版 ―頭とからだで覚えるPythonの基本

by Paul Barry, 嶋田 健志, 木下 哲也
March 2018
Beginner to intermediate
624 pages
16h 10m
Japanese
O'Reilly Japan, Inc.
Content preview from Head First Python 第2版 ―頭とからだで覚えるPythonの基本
再利用リサイクルを減らす
再利用したい部分を考える
log_request
関数のデータベースのコードを再度確認してみましょう。
 この関数には、データベースとやり取りするコードを追加するときに再利用できる部分がある
ことは明らかです。したがって、
log_request
関数のコードにコメントを付けて再利用できる
部分をはっきりさせ、
log_request
関数の主要な目的に特化している部分と区別します。
def log_request(req: 'flask_request', res: str) -> None:
"""Web
リクエストの詳細と結果をロギングする。
"""
dbconfig = { 'host': '127.0.0.1',
'user': 'vsearch',
'password': 'vsearchpasswd
',
'database': 'vsearchlogDB', }
 
import mysql.connector
 
conn = mysql.connector.connect(**dbconfig)
cursor = conn.cursor()
_SQL = """insert into log
(phrase, letters, ip, browser_string, results)
values
(%s, %s, %s, %s, %s)"""
cursor.execute(_SQL, (req.form['phrase'],
req.form['letters'], ...
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Publisher Resources

ISBN: 9784873118291Other