Serve single jpg image in http server regardless of GET /path

jpg_http_server.py

from http.server import HTTPServer, BaseHTTPRequestHandler
import argparse
import logging
import sys
import os

logging.basicConfig(format="%(asctime)s %(levelname)s %(message)s", level=logging.INFO)
log = logging.getLogger()

def mkhandler(imagep):
    class Handler(BaseHTTPRequestHandler):
        # pylint: disable=invalid-name
        def do_GET(self):
            try:
                with open(imagep, "rb") as imagef:
                    file_content = imagef.read()
                    if not file_content:
                        self.send_response(204)
                        self.end_headers()
                        return
                    self.send_response(200)
                    self.send_header("Content-Type", "image/jpeg")
                    self.send_header("Content-Length", len(file_content))
                    self.end_headers()
                    self.wfile.write(file_content)
            # pylint: disable=broad-exception-caught
            except Exception as ex:
                self.log_error(str(ex))
                self.send_response(500, str(ex))
                self.end_headers()
    return Handler


def main():
    parser = argparse.ArgumentParser(description="Serve single jpg image in http server regardless of GET /path")
    parser.add_argument("-p", "--port", help="port to bind", type=int, default=3000)
    parser.add_argument("-i", "--image", help="image to serve", type=str, required=True)
    #                        v-- this trick will print full --help if not used correctly
    args = parser.parse_args(args=None if len(sys.argv) > 1 else ["--help"])
    if not os.path.isfile(args.image):
        log.warning(f"{args.image} is not a file")
    server_address = ("0.0.0.0", args.port)
    httpd = HTTPServer(server_address, mkhandler(args.image))
    log.info(f"listening at {server_address[0]}:{server_address[1]}")
    httpd.serve_forever()

if __name__ == "__main__":
    main()