開発環境
- macOS High Sierra - 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6章(データの格納と操作 - データをファイルに格納する)、エクササイズ(p. 249)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(): phrase = request.form['phrase'] letters = request.form['letters'] title = '検索結果' results = str(vsearch.search4letters(phrase, letters)) return render_template('results.html', the_title=title, the_phrase=phrase, the_letters=letters, the_results=results) @app.route('/') @app.route('/entry') def entry_page() -> str: return render_template( 'entry.html', the_title='Web版のsearch4lettersにようこそ!') def log_request(req: 'flask_request', res: str) -> None: with open('vsearch.log', 'a') as f: print(req, res, file=f) if __name__ == '__main__': log_request('req', 'res') app.run(debug=True)
入出力結果(Terminal, Jupyter(IPython))
$ ./vsearch4web.py * Serving Flask app "vsearch4web" (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 C-c C-c$ bcat vsearch.log req res req res $ ./vsearch4web.py * Serving Flask app "vsearch4web" (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 C-c C-c$ cat vsearch.log req res req res req res req res $
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