開発環境
- macOS Mojave - Apple
- Emacs (Text Editor)
- Python 3.7 (プログラミング言語)
Head First Python 第2版 ―頭とからだで覚えるPythonの基本 (Paul Barry (著)、嶋田 健志 (監修)、木下 哲也 (翻訳)、オライリージャパン)の5章(Webアプリケーションの構築 - 現実に目を向ける)、テンプレートマグネット(p. 231)を取り組んでみる。
コード(Emacs)
Python 3
#!/usr/bin/env python3
from flask import Flask, render_template, request
import vsearch
app = Flask(__name__)
@app.route('/search4', methods=['POST'])
def do_search() -> str:
phrase = request.form['phrase']
letters = request.form['letters']
results = str(vsearch.search4letters(phrase, letters))
title = '検索結果'
return render_template(
'results.html',
the_title=title,
the_phrase=phrase,
the_letters=letters,
the_results=results)
@app.route('/entry')
def entry_page() -> str:
return render_template(
'entry.html',
the_title='Welcom to search4letters on the web!')
app.run(debug=True)
入出力結果(Terminal, Jupyter(IPython))
$ python3 hello_flask.py * Serving Flask app "hello_flask" (lazy loading) * Environment: production WARNING: Do not use the development server in a production environment. Use a production WSGI server instead. * Debug mode: on * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit) * Restarting with stat * Debugger is active! * Debugger PIN: 178-619-558 127.0.0.1 - - [18/Nov/2018 13:41:50] "GET /entry HTTP/1.1" 200 - 127.0.0.1 - - [18/Nov/2018 13:41:50] "GET /static/hf.css HTTP/1.1" 404 - 127.0.0.1 - - [18/Nov/2018 13:41:57] "POST /search4 HTTP/1.1" 200 - 127.0.0.1 - - [18/Nov/2018 13:41:57] "GET /static/hf.css HTTP/1.1" 404 - C-c C-c$
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