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Pylons based replacement for hgwebdir

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Fully customizable, with authentication, permissions. Based on vcs library.

**Overview**

- has it's own middleware to handle mercurial protocol request each request can 

  be logged and authenticated + threaded performance unlikely to hgweb

- full permissions per project read/write/admin access even on mercurial request

- diffs annotations and source code all colored by pygments.

- mercurial branch graph and yui-flot powered graphs

- admin interface for performing user/permission managments as well as repository

- backup scripts can do backup of whole app and send it over scp to desired location

- setup project descriptions and info inside built in db for easy, non 

  file-system operations

- added cache with invalidation on push/repo managment for high performance and

- rss /atom feed customizable

- based on pylons 1.0 / sqlalchemy 0.6

**Incoming**

- code review based on hg-review (when it's stable)

- git support (when vcs can handle it)

- other cools stuff that i can figure out

- manage hg ui() per repo, add hooks settings, per repo, and not globally

.. note::

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Installation

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.. note::

   I recomend to install tip version of vcs while the app is in beta mode.

- create new virtualenv and activate it - highly recommend that you use separate

  virtual-env for whole application

- download hg app from default (not demo) branch from bitbucket and run 

        self.create_user(username, password, True)

    def config_prompt(self):

        log.info('Setting up repositories config')

        path = raw_input('Specify valid full path to your repositories'

                        ' you can change this later in application settings:')

        if not os.path.isdir(path):

            log.error('You entered wrong path')

            sys.exit()

        web1 = HgAppUi()

        web1.ui_section = 'web'

        web1.ui_key = 'push_ssl'

        web1.ui_value = 'false'

        web2 = HgAppUi()

        web2.ui_section = 'web'

        web2.ui_key = 'allow_archive'

        web2.ui_value = 'gz zip bz2'

        web3 = HgAppUi()

        web3.ui_section = 'web'

        hgsettings1 = HgAppSettings()

        hgsettings1.app_settings_name = 'realm'

        hgsettings1.app_settings_value = 'hg-app authentication'

        hgsettings2 = HgAppSettings()

        hgsettings2.app_settings_name = 'title'

        hgsettings2.app_settings_value = 'hg-app'      

        try:

            self.sa.add(web1)

            self.sa.add(web2)

            self.sa.add(web3)

            self.sa.add(web4)

            self.sa.add(paths)

            self.sa.add(hgsettings1)

            self.sa.add(hgsettings2)

            self.sa.commit()

        except:

            self.sa.rollback()

            raise        

        log.info('created ui config')

# 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, \

    check_repo_fast, ui_sections

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):

        return chain(org_response, custom_messages(messages))

    def __make_app(self):

        hgserve = hgweb(str(self.repo_path), baseui=self.baseui)

        return  self.__load_web_settings(hgserve)

    def __get_environ_user(self, environ):

        return environ.get('REMOTE_USER')

    def __get_user(self, username):

        return get_user_cached(username)

    def __get_action(self, environ):

        """

        Maps mercurial request commands into a pull or push command.

        @param environ:

        """

        mapping = {'changegroup': 'pull',

                   'changegroupsubset': 'pull',

                   'stream_out': 'pull',

                   'listkeys': 'pull',

                   'unbundle': 'push',

                   'pushkey': 'push', }

        cfg = config.config()

        cfg.read(path)

        for section in ui_sections:

            for k, v in cfg.items(section):

                baseui.setconfig(section, k, v)

                log.debug('settings ui from file[%s]%s:%s', section, k, v)

        if checkpaths:check_repo_dir(cfg.items('paths'))                

    elif read_from == 'db':

        hg_ui = get_hg_ui_cached()

        for ui_ in hg_ui:

    return baseui

def set_hg_app_config(config):

    hgsettings = get_hg_settings()

    for k, v in hgsettings.items():

        config[k] = v

def invalidate_cache(name, *args):

    __table_args__ = (UniqueConstraint('app_settings_name'), {'useexisting':True})

    app_settings_id = Column("app_settings_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)

    app_settings_name = Column("app_settings_name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    app_settings_value = Column("app_settings_value", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

class HgAppUi(Base):

    __tablename__ = 'hg_app_ui'

    __table_args__ = {'useexisting':True}

    ui_id = Column("ui_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)

    ui_section = Column("ui_section", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    ui_key = Column("ui_key", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    ui_value = Column("ui_value", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

class User(Base): 

    __tablename__ = 'users'

    __table_args__ = {'useexisting':True}

    user_id = Column("user_id", INTEGER(), nullable=False, unique=True, default=None, primary_key=True)

    username = Column("username", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    password = Column("password", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    active = Column("active", BOOLEAN(), nullable=True, unique=None, default=None)

    admin = Column("admin", BOOLEAN(), nullable=True, unique=None, default=False)

    name = Column("name", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    lastname = Column("lastname", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    email = Column("email", TEXT(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    last_login = Column("last_login", DATETIME(timezone=False), nullable=True, unique=None, default=None)