# hgweb/request.py - An http request from either CGI or the standalone server.

#

# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>

# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

#

# This software may be used and distributed according to the terms

# of the GNU General Public License, incorporated herein by reference.

import socket, cgi, errno

from mercurial.i18n import gettext as _

from common import ErrorResponse, statusmessage

class wsgirequest(object):

    def __init__(self, wsgienv, start_response):

        version = wsgienv['wsgi.version']

        if (version < (1, 0)) or (version >= (2, 0)):

            raise RuntimeError("Unknown and unsupported WSGI version %d.%d"

                               % version)

        self.inp = wsgienv['wsgi.input']

        self.err = wsgienv['wsgi.errors']

        self.threaded = wsgienv['wsgi.multithread']

        self.multiprocess = wsgienv['wsgi.multiprocess']

        self.run_once = wsgienv['wsgi.run_once']

        self.env = wsgienv

        self.form = cgi.parse(self.inp, self.env, keep_blank_values=1)

        self._start_response = start_response

        self.headers = []

    def __iter__(self):

        return iter([])

    def read(self, count=-1):

        return self.inp.read(count)

        if self._start_response is not None:

            if not self.headers:

                raise RuntimeError("request.write called before headers sent")

            for k, v in self.headers:

                if not isinstance(v, str):

                    raise TypeError('header value must be string: %r' % v)

            if isinstance(status, ErrorResponse):

                status = statusmessage(status.code)

            elif isinstance(status, int):

                status = statusmessage(status)

            self.server_write = self._start_response(status, self.headers)

            self._start_response = None

            self.headers = []

    def writelines(self, lines):

        for line in lines:

            self.write(line)

    def flush(self):

        return None

    def close(self):

        return None

    def header(self, headers=[('Content-Type','text/html')]):

        self.headers.extend(headers)

        headers = headers.items()

        if filename:

            headers.append(('Content-Disposition', 'inline; filename=%s' %

                            filename))

        if length:

            headers.append(('Content-Length', str(length)))

        self.header(headers)

def wsgiapplication(app_maker):

    '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir()

    can and should now be used as a WSGI application.'''

    application = app_maker()

    def run_wsgi(env, respond):

        return application(env, respond)

    return run_wsgi