monkey patch Werkzeug to color log output according to HTTP responce code. created for using with django_extensions command runserver_plus.

colorize_runserver_plus.py

from django.conf import settings
from django.core.management.color import color_style

try:
    from werkzeug.serving import WSGIRequestHandler
    from werkzeug._internal import _log

    _style = color_style()

    def werk_log(self, type, message, *args):
        msg = '%s - - [%s] %s' % (self.address_string(),
                                    self.log_date_time_string(),
                                    message % args)
        http_code = str(args[1])
        # Utilize terminal colors, if available
        if http_code[0] == '2':
            # Put 2XX first, since it should be the common case
            msg = _style.HTTP_SUCCESS(msg)
        elif http_code[0] == '1':
            msg = _style.HTTP_INFO(msg)
        elif http_code == '304':
            msg = _style.HTTP_NOT_MODIFIED(msg)
        elif http_code[0] == '3':
            msg = _style.HTTP_REDIRECT(msg)
        elif http_code == '404':
            msg = _style.HTTP_NOT_FOUND(msg)
        elif http_code[0] == '4':
            msg = _style.HTTP_BAD_REQUEST(msg)
        else:
            # Any 5XX, or any other response
            msg = _style.HTTP_SERVER_ERROR(msg)

        _log(type, msg)

    if settings.DEBUG:
        WSGIRequestHandler.log = werk_log
except:  # no werkzeug, for instance
    pass