Mercurial > kallithea
view pylons_app/lib/middleware/simplehg.py @ 280:373ddb868bd6
html updates,mostly tables
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Sun, 13 Jun 2010 18:18:49 +0200 |
parents | 66f617f162f8 |
children | c961b78ff0a0 |
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#!/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. """ Created on 2010-04-28 @author: marcink SimpleHG middleware for handling mercurial protocol request (push/clone etc.) It's implemented with basic auth function """ from datetime import datetime 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 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 import logging import os from itertools import chain log = logging.getLogger(__name__) class SimpleHg(object): def __init__(self, application, config): self.application = application self.config = config #authenticate this mercurial request using realm = '%s %s' % (config['hg_app_name'], 'mercurial repository') self.authenticate = AuthBasicAuthenticator(realm, authfunc) def __call__(self, environ, start_response): if not is_mercurial(environ): return self.application(environ, start_response) else: #=================================================================== # AUTHENTICATE THIS MERCURIAL REQUEST #=================================================================== username = REMOTE_USER(environ) if not username: result = self.authenticate(environ) if isinstance(result, str): AUTH_TYPE.update(environ, 'basic') REMOTE_USER.update(environ, result) else: return result.wsgi_application(environ, start_response) try: repo_name = '/'.join(environ['PATH_INFO'].split('/')[1:]) except Exception as e: log.error(e) return HTTPNotFound()(environ, start_response) #since we wrap into hgweb, just reset the path environ['PATH_INFO'] = '/' self.baseui = make_ui(self.config['hg_app_repo_conf']) self.basepath = self.baseui.configitems('paths')[0][1]\ .replace('*', '') self.repo_path = os.path.join(self.basepath, repo_name) try: app = wsgiapplication(self.__make_app) except Exception as e: log.error(e) return HTTPNotFound()(environ, start_response) action = self.__get_action(environ) #invalidate cache on push if action == 'push': self.__invalidate_cache(repo_name) if action: username = self.__get_environ_user(environ) self.__log_user_action(username, action, repo_name) messages = ['thanks for using hg app !'] return self.msg_wrapper(app, environ, start_response, messages) def msg_wrapper(self, app, environ, start_response, messages): """ Wrapper for custom messages that come out of mercurial respond messages is a list of messages that the user will see at the end of response from merurial protocol actions that involves remote answers @param app: @param environ: @param start_response: """ def custom_messages(msg_list): for msg in msg_list: yield msg + '\n' org_response = app(environ, start_response) return chain(org_response, custom_messages(messages)) def __make_app(self): hgserve = hgweb(self.repo_path) return self.__load_web_settings(hgserve) def __get_environ_user(self, environ): return environ.get('REMOTE_USER') def __get_action(self, environ): """ Maps mercurial request commands into a pull or push command. @param environ: """ mapping = { 'changegroup': 'pull', 'changegroupsubset': 'pull', 'unbundle': 'push', 'stream_out': 'pull', } for qry in environ['QUERY_STRING'].split('&'): if qry.startswith('cmd'): cmd = qry.split('=')[-1] if mapping.has_key(cmd): return mapping[cmd] def __log_user_action(self, username, action, repo): sa = meta.Session try: user = sa.query(User).filter(User.username == username).one() user_log = UserLog() user_log.user_id = user.user_id user_log.action = action user_log.repository = repo.replace('/', '') user_log.action_date = datetime.now() sa.add(user_log) sa.commit() log.info('Adding user %s, action %s on %s', username, action, repo) except Exception as e: sa.rollback() log.error('could not log user action:%s', str(e)) def __invalidate_cache(self, repo_name): """we know that some change was made to repositories and we should invalidate the cache to see the changes right away but only for push requests""" invalidate_cache('cached_repo_list') invalidate_cache('full_changelog', repo_name) def __load_web_settings(self, hgserve): repoui = make_ui(os.path.join(self.repo_path, '.hg', 'hgrc'), False) #set the global ui for hgserve hgserve.repo.ui = self.baseui if repoui: #set the repository based config hgserve.repo.ui = repoui return hgserve