August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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306
13 章 Flask における RESTful データ
この節では
Flask-SQLAlchemy
プラグインも必要です。これも
pip
でインストールします。
$ pip install flask-sqlalchemy
13.3.1
API
の作成
モジュールをインストールしたので、格納済みの
SQLite
データベース
nobel_prize.db
に基づい
て
API
を作成しましょう（「
9.6
クリーニングしたデータセットの保存」を参照）。
winners
テー
ブルにはスクレイピングしてクリーニングした受賞者データが含まれるので、
SQLAlchemy
スキー
マを使って必要なデータを指定して公開します。
例
13-2
は、
winners
テーブルを
RESTful
リソースに変換するコードです。
例
13-2
ノーベル賞受賞者
Flask-Restless API
# server_flask_restless.py
import flask
import flask.ext.sqlalchemy
import flask.ext.restless
# Flask
アプリケーションと
Flask-SQLAlchemy
オブジェクトを作成する
app = flask.Flask(_ _name_ _)
app.config['DEBUG'] = True
app.config['SQLALCHEMY_DATABASE_URI'] = \
'sqlite:///data/nobel_prize.db'
db = flask.ext.sqlalchemy.SQLAlchemy(app) ...
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