test_flask_script.py

#coding:utf8
from flask_script import Manager
from flask import Flask

app = Flask(__name__)

@app.route("/user/<name>")
def hello_you(name=None):
    return "hello {name}".format(name=name)


manager = Manager(app)

@manager.command
def hello():
    print ("hello")

@manager.command
def runserver(host=None, port=None, debug=None):
    """Run a flask development server"""
    app.run(
        host=host or '0.0.0.0',
        port=port or '5000',
        use_debugger=True,
    )   

if __name__ == "__main__":
    manager.run()