simple python low-level http server

server.py

#!/usr/bin/env python3

from http.server import BaseHTTPRequestHandler, HTTPServer


class MyHandler(BaseHTTPRequestHandler):

    _data_to_send = None

    def _send_all(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/html; charset=utf-8')
        self.send_header('Content-Length', str(len(self._data_to_send)))
        self.end_headers()
        self.wfile.write(self._data_to_send)

    def do_GET(self):
        result = "Hello, world\n"
        self._data_to_send = result.encode('utf-8')
        self._send_all()
        

if __name__ == '__main__':
    HTTPServer(('localhost', 1080), MyHandler).serve_forever()

test.sh

#!/bin/bash

./server.py &
pid=$!

finish() {
    kill $pid
}

failed() {
    echo FAILURE
}

trap finish EXIT
trap failed ERR
sleep 1

echo "Hello, world" | diff -u <( curl -s -S localhost:1080 ) -

echo SUCCESS