WSGI streaming from disk (test case)

README.md

1. wget "https://tiddlywiki.com/empty.html"
2. ./app
3. open http://localhost:8080

app

#!/usr/bin/env python3

import os


ROOT_DIR = os.path.dirname(__file__)
FILENAME = "empty.html"


def handler(environ, start_response):
    method = environ["REQUEST_METHOD"]
    if method != "GET":
        start_response("405 Method Not Allowed", [])
        return []

    start_response("200 OK", [("Content-Type", "text/html")])
    filepath = os.path.abspath(os.path.join(ROOT_DIR, FILENAME))
    fh = open(filepath)
    return (chunk.encode("utf-8") for chunk in fh)


if __name__ == "__main__":
    from wsgiref.simple_server import make_server

    host = "localhost"
    port = 8080

    srv = make_server(host, port, handler)
    print("→ http://%s:%s" % (host, port))
    srv.serve_forever()