use jsonify instead of json.dumps for JSON output

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Metadata

ID: python-flask/use-jsonify

Language: Python

Severity: Notice

Category: Best Practices

Description

With the flask framework, jsonify helps you write API endpoints that return JSON data.

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Python Flask: jsonify()

Non-Compliant Code Examples

@app.route("/article")
def get_article():
    article = get_article_by_id(request.args.get("id"))
    return json.dumps(article) # use flask.jsonify instead of json.dumps

Compliant Code Examples

from flask import jsonify

@app.route("/article")
def get_article():
    article = get_article_by_id(request.args.get("id"))
    return jsonify(article)