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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308
13 章 Flask における RESTful データ
API
を規定して
CORS
をサポートしたので、
RESTful
サーバを起動してみましょう。
$ python server_flask_restless.py
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
サーバが稼働したので、データをリクエストしてみましょう。
13.3.3
API
でのクエリ操作
Flask-Restless API
は幅広いクエリ演算子（
http://flask-restless.readthedocs.io/en/stable/
searchformat.html?highlight=query operation
）を提供しています。返してほしいデータを自在に
制御できます。
Flask-Restless
クエリエンジンはとてもきめ細やかで、基本的には標準的な
SQL
演算をエミュレートします。
API
が認識する演算子文字列を以下に示します。
•
==
、
eq
、
equals
、
equals_to
•
!=
、
neq
、
does_not_equal
、
not_equal_to
•
>
、
gt
、
<
、
lt
•
>=
、
ge
、
gte
、
geq
、
\<=
、
le
、
lte
、
leq
•
in
、
not_in
•
is_null
、
is_not_null
•
like
、
has
、
any
上の文字列は、
SQLAlchemy
カラム演算子（
http://bit.ly/1UEz7uA
）に相当します。
例
13-1
の
displayJSON ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.