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a minimal http server in python. Responds to GET, HEAD, POST requests, but will fail on anything else.
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| #!/usr/bin/env python | |
| """ | |
| Very simple HTTP server in python (Updated for Python 3.7) | |
| Usage: | |
| ./dummy-web-server.py -h | |
| ./dummy-web-server.py -l localhost -p 8000 | |
| Send a GET request: | |
| curl http://localhost:8000 | |
| Send a HEAD request: | |
| curl -I http://localhost:8000 | |
| Send a POST request: | |
| curl -d "foo=bar&bin=baz" http://localhost:8000 | |
| """ | |
| import argparse | |
| from http.server import HTTPServer, BaseHTTPRequestHandler | |
| class S(BaseHTTPRequestHandler): | |
| def _set_headers(self): | |
| self.send_response(200) | |
| self.send_header("Content-type", "text/html") | |
| self.end_headers() | |
| def _html(self, message): | |
| """This just generates an HTML document that includes `message` | |
| in the body. Override, or re-write this do do more interesting stuff. | |
| """ | |
| content = f"<html><body><h1>{message}</h1></body></html>" | |
| return content.encode("utf8") # NOTE: must return a bytes object! | |
| def do_GET(self): | |
| self._set_headers() | |
| self.wfile.write(self._html("hi!")) | |
| def do_HEAD(self): | |
| self._set_headers() | |
| def do_POST(self): | |
| # Doesn't do anything with posted data | |
| self._set_headers() | |
| self.wfile.write(self._html("POST!")) | |
| def run(server_class=HTTPServer, handler_class=S, addr="localhost", port=8000): | |
| server_address = (addr, port) | |
| httpd = server_class(server_address, handler_class) | |
| print(f"Starting httpd server on {addr}:{port}") | |
| httpd.serve_forever() | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser(description="Run a simple HTTP server") | |
| parser.add_argument( | |
| "-l", | |
| "--listen", | |
| default="localhost", | |
| help="Specify the IP address on which the server listens", | |
| ) | |
| parser.add_argument( | |
| "-p", | |
| "--port", | |
| type=int, | |
| default=8000, | |
| help="Specify the port on which the server listens", | |
| ) | |
| args = parser.parse_args() | |
| run(addr=args.listen, port=args.port) |
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