Flask Streaming Example

client.py

from requests import get

URL = 'http://localhost:13000/'


def main():
    resp = get(URL, stream=True)
    for b in resp.iter_content(decode_unicode=True):
        print(b, end='')
    print()


if __name__ == '__main__':
    main()

server.py

import time

from flask import Flask, Response


def stream():
    try:
        i = 0
        while True:
            print('sending hello', i)
            yield 'Hello {}!\n'.format(i)
            i += 1
            if i > 5:
                break
            time.sleep(5)
    finally:
        print('end sending hello')


def main():
    app = Flask(__name__)

    @app.route('/')
    def streaming_api():
        return Response(stream())

    app.run('0.0.0.0', 13000)


if __name__ == "__main__":
    main()