How To Close A Flask Web Server With Python With Code Examples

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Hello everyone, in this post we will examine how to solve the How To Close A Flask Web Server With Python programming puzzle.

from flask import Flask, request, jsonify

# Workaround - otherwise doesn't work in windows service.
cli = sys.modules['flask.cli']
cli.show_server_banner = lambda *x: None

app = Flask('MyService')

# ... business logic endpoints are skipped.

@app.route("/shutdown", methods=['GET'])
def shutdown():
    shutdown_func = request.environ.get('werkzeug.server.shutdown')
    if shutdown_func is None:
        raise RuntimeError('Not running werkzeug')
    shutdown_func()
    return "Shutting down..."


def start():
    app.run(host='0.0.0.0', threaded=True, port=5001)


def stop():
    import requests
    resp = requests.get('http://localhost:5001/shutdown')

The same problem How To Close A Flask Web Server With Python can be solved in another approach that is explained below with code examples.

from multiprocessing import Process

server = Process(target=app.run)
server.start()
# ...
server.terminate()
server.join()

We were able to comprehend how to correct the How To Close A Flask Web Server With Python issue thanks to the many examples.

How do you restart a Python Flask server?

Reload python flask server by function

  • if reload_needed: reload_server() , and.
  • if a user clicks on a “Reload Server” button in the admin panel, the reload_server() function should be called.

How do I know if my Flask server is running?

Open http://127.0.0.1:5000/ in your web browser. You should see the application running, showing the index page: Check the server log to see the output from your request. You can stop the web server and return to your virtual environment by typing Ctrl+C.

How do you stop a Flask server using Ctrl C?

To stop a Flask server running on Windows: Ctrl + c. If Flask is still running, try: Ctrl + Break.24-Sept-2017

Is Python Flask back end?

Thanks to Flask, a backend this compact and controlled is capable of handling all the data processing required to support a full-featured frontend finance tracking app for fiscal fanatics, like me! I hope you’ve enjoyed my article on Flask as a compact backend development tool for Python.

How do I stop a running flask server?

how to close a flask web server with python

  • from multiprocessing import Process.
  • ​
  • server = Process(target=app. run)
  • server. start()
  • #
  • server. terminate()
  • server. join()
  • ​

How do I run a flask on localhost?

To install flask, simply type in pip install flask in your computer terminal/command line. Once you have made sure flask is installed, simply run the hello.py script. Once you run the script, the website should now be up and running on your local machine, and it can be viewed by visiting localhost:5000 in your browser.

Is Flask a web server?

Although Flask has a built-in web server, as we all know, it’s not suitable for production and needs to be put behind a real web server able to communicate with Flask through a WSGI protocol. A common choice for that is Gunicorn—a Python WSGI HTTP server.

How does Flask server work?

Flask server is defined as server software that is capable of running HTTP requests on the public world wide web, private LAN, and private WANs and comprises of one or many computers bundled together and dedicatedly working for running the software application on the worldwide web.

How do I run a Flask in terminal?

How do you stop a thread from running in Python?

There are the various methods by which you can kill a thread in python.

  • Raising exceptions in a python thread.
  • Set/Reset stop flag.
  • Using traces to kill threads.
  • Using the multiprocessing module to kill threads.
  • Killing Python thread by setting it as daemon.
  • Using a hidden function _stop()