A simple mock HTTP server useful for HTTP client testing.

mock-http-server.py

#!/usr/bin/env python
# encoding: utf-8

from __future__ import unicode_literals

import logging

from functools import partial

from marrow.script import execute
from marrow.util.compat import unicode
from marrow.server.base import Server
from marrow.server.protocol import Protocol


CRLF = b"\r\n"
log = logging.getLogger(__name__)
__all__ = ['MockProtocol', 'serve', 'main']



class MockProtocol(Protocol):
    def __init__(self, server, code, mime, content):
        super(MockProtocol, self).__init__(server)
        
        self.code = code
        self.mime = mime
        self.content = content.encode('utf8')
    
    def accept(self, client):
        log.debug("Connection from: %s", client.address)
        client.read_until(CRLF + CRLF, partial(self.headers, client))
    
    def headers(self, client, headers):
        log.debug("Headers from: %s\n\n%s", client.address, headers.strip(CRLF).replace(CRLF, '\n').decode('ISO-8859-1'))
        
        headers = b"HTTP/1.0 " + self.code.encode('ascii') + CRLF + \
            b"Content-Type: " + unicode(self.mime).encode('ascii') + b"; charset=UTF-8" + CRLF + \
            b"Content-Length: " + unicode(len(self.content) + 2).encode('ascii') + CRLF + CRLF
        
        client.write(headers + self.content + CRLF, client.close)


def main():
    def serve(port=8080, code="200 OK", mime="text/plain", content="Hello world!", verbose=False, quiet=False, forking=False):
        logging.basicConfig(level=logging.DEBUG if verbose else (logging.WARN if quiet else logging.INFO))
        
        if verbose and quiet:
            log.error("Can not set verbose and quiet at the same time!")
            return 1
        
        Server('127.0.0.1', port, MockProtocol, fork=0 if forking else 1, code=code, mime=mime, content=content).start()
    
    execute(serve)

if __name__ == '__main__':
    main()

Added forking option (pass -f|--forking to run one process per logical core) and now safely decodes headers for Py3K.

Added content encoding.

This Gist is in reply to: https://gist.github.com/719843