#!/usr/bin/env python

# encoding: utf-8

# middleware to handle mercurial api calls

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; version 2

# of the License or (at your opinion) any later version of the license.

# 

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

from datetime import datetime

from itertools import chain

from mercurial.error import RepoError

from mercurial.hgweb import hgweb

from mercurial.hgweb.request import wsgiapplication

from paste.auth.basic import AuthBasicAuthenticator

from paste.httpheaders import REMOTE_USER, AUTH_TYPE

from pylons_app.lib.auth import authfunc, HasPermissionAnyMiddleware, \

    get_user_cached

from pylons_app.lib.utils import is_mercurial, make_ui, invalidate_cache, \

from pylons_app.model import meta

from pylons_app.model.db import UserLog, User

from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError

import logging

import os

import pylons_app.lib.helpers as h

import traceback

log = logging.getLogger(__name__)

class SimpleHg(object):

    def __init__(self, application, config):

        self.application = application

        self.config = config

        #authenticate this mercurial request using 

        self.authenticate = AuthBasicAuthenticator('', authfunc)

    def __call__(self, environ, start_response):

        if not is_mercurial(environ):

        push requests"""

        invalidate_cache('cached_repo_list')

        invalidate_cache('full_changelog', repo_name)

    def __load_web_settings(self, hgserve):

        #set the global ui for hgserve

        hgserve.repo.ui = self.baseui

        hgrc = os.path.join(self.repo_path, '.hg', 'hgrc')

        repoui = make_ui('file', hgrc, False)

        if repoui:

        return hgserve