line-pay-python-example

LINE Pay APIをPythonから叩いてみた。

参考情報

• LINE Pay APIを使ってアプリに決済を組み込む方法

必要なもの

• LINE Pay Sandbox環境
• 固定IPがあるサーバー
• Python 3.6

Try it

pip install -r requirements.txt
python app.py

Sample code

fromflaskimportFlask, render_template, redirect, requestfromline_payimportLinePayfrommodelsimportdb, db_url, TransactionsLINE_PAY_URL='https://sandbox-api-pay.line.me'LINE_PAY_CHANNEL_ID='your channel'LINE_PAY_CHANNEL_SECRET='your secret'LINE_PAY_CONFIRM_URL='http://localhost:5000/pay/confirm'app=Flask(__name__)
pay=LinePay(channel_id=LINE_PAY_CHANNEL_ID, channel_secret=LINE_PAY_CHANNEL_SECRET,
line_pay_url=LINE_PAY_URL, confirm_url=LINE_PAY_CONFIRM_URL)
@app.route("/", methods=['GET'])defindex():
returnrender_template('index.html')
@app.route("/pay/reserve", methods=['POST'])defpay_reserve():
product_name="チョコレート"amount=1currency="JPY"
(order_id, response) =pay.request_payments(product_name=product_name, amount=amount, currency=currency)
print(response["returnCode"])
print(response["returnMessage"])
transaction_id=response["info"]["transactionId"]
print(order_id, transaction_id, product_name, amount, currency)
obj=Transactions(transaction_id=transaction_id, order_id=order_id,
product_name=product_name, amount=amount, currency=currency)
db.session.add(obj)
db.session.commit()
db.session.close()
redirect_url=response["info"]["paymentUrl"]["web"]
returnredirect(redirect_url)
@app.route("/pay/confirm", methods=['GET'])defpay_confirm():
transaction_id=request.args.get('transactionId')
obj=Transactions.query.filter_by(transaction_id=transaction_id).one_or_none()
ifobjisNone:
raiseException("Error: transaction_id not found.")
response=pay.confirm_payments(transaction_id=transaction_id, amount=obj.amount, currency=obj.currency)
print(response["returnCode"])
print(response["returnMessage"])
db.session.query(Transactions).filter(Transactions.transaction_id==transaction_id).delete()
db.session.commit()
db.session.close()
return"Payment successfully finished."definitialize_app(app: Flask) ->None:
app.config['SQLALCHEMY_DATABASE_URI'] =db_urlapp.config['SQLALCHEMY_TRACK_MODIFICATIONS'] =Trueapp.config['DEBUG'] =Truedb.init_app(app)
db.create_all(app=app)
defmain() ->None:
initialize_app(app)
app.run(host='0.0.0.0', port=5000, threaded=True)
if__name__=='__main__':
main()