json-rpc with flask backend test

json-rpc-test.py

"""
python3 -m venv venv; venv/bin/pip install wheel
venv/bin/pip install json-rpc
venv/bin/pip install flask
"""

from flask import Flask

from jsonrpc.backend.flask import api

app = Flask(__name__)
app.register_blueprint(api.as_blueprint())

@api.dispatcher.add_method
def echo(*args, **kwargs):
    return args

if __name__ == ('__main__'):
    app.run(debug=True, host='0.0.0.0', port=4000)