pylons.cache._push_object(config['pylons.app_globals'].cache)

    # Create the Mako TemplateLookup, with the default auto-escaping

    config['pylons.app_globals'].mako_lookup = TemplateLookup(

        directories=paths['templates'],

        error_handler=handle_mako_error,

        module_directory=os.path.join(app_conf['cache_dir'], 'templates'),

        input_encoding='utf-8', default_filters=['escape'],

        imports=['from webhelpers.html import escape'])

    #sets the c attribute access when don't existing attribute are accessed

    config['pylons.strict_tmpl_context'] = True

    #MULTIPLE DB configs

    # Setup the SQLAlchemy database engine

    if config['debug']:

        #use query time debugging.

        from pylons_app.lib.timerproxy import TimerProxy

        sa_engine_db1 = engine_from_config(config, 'sqlalchemy.db1.',

                                                            proxy=TimerProxy())

    else:

        sa_engine_db1 = engine_from_config(config, 'sqlalchemy.db1.')

    init_model(sa_engine_db1)

    config['pylons.app_globals'].baseui = make_ui('db')

    repo2db_mapper(_get_repos_cached_initial(config['pylons.app_globals'], initial))

    set_available_permissions(config)

    set_base_path(config)

    set_hg_app_config(config)

    # CONFIGURATION OPTIONS HERE (note: all config options will override

    # any Pylons config options)

    return config

# 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 July 14, 2010

settings controller for pylons

@author: marcink

"""

from formencode import htmlfill

from pylons import request, session, tmpl_context as c, url, app_globals as g, \

    config

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from pylons_app.lib import helpers as h

from pylons_app.lib.auth import LoginRequired, HasPermissionAllDecorator, \

    HasPermissionAnyDecorator

from pylons_app.lib.base import BaseController, render

from pylons_app.lib.utils import repo2db_mapper, invalidate_cache, \

from pylons_app.model.hg_model import HgModel

from pylons_app.model.user_model import UserModel

import formencode

import logging

import traceback

log = logging.getLogger(__name__)

class SettingsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('setting', 'settings', controller='admin/settings', 

    #         path_prefix='/admin', name_prefix='admin_')

    @LoginRequired()

    def __before__(self):

        c.admin_user = session.get('admin_user')

        c.admin_username = session.get('admin_username')

        super(SettingsController, self).__before__()

    @HasPermissionAllDecorator('hg.admin')    

    def index(self, format='html'):

        """GET /admin/settings: All items in the collection"""

        # url('admin_settings')

        defaults = get_hg_settings()

        return htmlfill.render(

            render('admin/settings/settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )  

    @HasPermissionAllDecorator('hg.admin')

    def create(self):

        """POST /admin/settings: Create a new item"""

        # url('admin_settings')

    @HasPermissionAllDecorator('hg.admin')

    def new(self, format='html'):

        """GET /admin/settings/new: Form to create a new item"""

        # url('admin_new_setting')

    @HasPermissionAllDecorator('hg.admin')

    def update(self, setting_id):

        """PUT /admin/settings/setting_id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('admin_setting', setting_id=ID),

        #           method='put')

        # url('admin_setting', setting_id=ID)

        if setting_id == 'mapping':

            rm_obsolete = request.POST.get('destroy', False)

            log.debug('Rescanning directories with destroy=%s', rm_obsolete)

            initial = HgModel.repo_scan(g.paths[0][0], g.paths[0][1], g.baseui)

            repo2db_mapper(initial, rm_obsolete)

            invalidate_cache('cached_repo_list')

            h.flash(_('Repositories sucessfully rescanned'), category='success')            

        if setting_id == 'global':

            application_form = ApplicationSettingsForm()()

            try:

                form_result = application_form.to_python(dict(request.POST))

                try:

                    hgsettings1.app_settings_value = form_result['hg_app_title'] 

                    hgsettings2.app_settings_value = form_result['hg_app_realm'] 

                    self.sa.add(hgsettings1)

                    self.sa.add(hgsettings2)

                    self.sa.commit()

                    set_hg_app_config(config)

                    h.flash(_('Updated application settings'),

                            category='success')

                except:

                    log.error(traceback.format_exc())

                    h.flash(_('error occured during updating application settings'),

                            category='error')

                    self.sa.rollback()

            except formencode.Invalid as errors:

                return htmlfill.render(

                     render('admin/settings/settings.html'),

                     defaults=errors.value,

                     errors=errors.error_dict or {},

                     prefix_error=False,

                     encoding="UTF-8") 

        return redirect(url('admin_settings'))

    @HasPermissionAllDecorator('hg.admin')

    def delete(self, setting_id):

        """DELETE /admin/settings/setting_id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('admin_setting', setting_id=ID),

        #           method='delete')

        # url('admin_setting', setting_id=ID)

    @HasPermissionAllDecorator('hg.admin')

    def show(self, setting_id, format='html'):

        """GET /admin/settings/setting_id: Show a specific item"""

        # url('admin_setting', setting_id=ID)

    @HasPermissionAllDecorator('hg.admin')         

    def edit(self, setting_id, format='html'):

        """GET /admin/settings/setting_id/edit: Form to edit an existing item"""

        # url('admin_edit_setting', setting_id=ID)

    def my_account(self):

def get_hg_ui_cached():

    try:

        sa = meta.Session

        ret = sa.query(HgAppUi).all()

    finally:

        meta.Session.remove()

    return ret

def get_hg_settings():

    try:

        sa = meta.Session

        ret = sa.query(HgAppSettings).all()

    finally:

        meta.Session.remove()

    if not ret:

        raise Exception('Could not get application settings !')

    settings = {}

    for each in ret:

        settings['hg_app_' + each.app_settings_name] = each.app_settings_value    

    return settings

ui_sections = ['alias', 'auth',

                'decode/encode', 'defaults',

                'diff', 'email',

                'extensions', 'format',

                'merge-patterns', 'merge-tools',

                'hooks', 'http_proxy',

                'smtp', 'patch',

                'paths', 'profiling',

                'server', 'trusted',

                'ui', 'web', ]

def make_ui(read_from='file', path=None, checkpaths=True):        

    """

    A function that will read python rc files or database

    and make an mercurial ui object from read options

    @param path: path to mercurial config file

    @param checkpaths: check the path

    @param read_from: read from 'file' or 'db'

    """

    baseui = ui.ui()

    if read_from == 'file':

        if not os.path.isfile(path):

            log.warning('Unable to read config file %s' % path)

            return False

        cfg = config.config()

        cfg.read(path)

        for section in ui_sections:

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

                baseui.setconfig(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:

            baseui.setconfig(ui_.ui_section, ui_.ui_key, ui_.ui_value)

    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):

    """Invalidates given name cache"""

    from beaker.cache import region_invalidate

    log.info('INVALIDATING CACHE FOR %s', name)

    """propagate our arguments to make sure invalidation works. First

    argument has to be the name of cached func name give to cache decorator

    without that the invalidation would not work"""

    tmp = [name]

    tmp.extend(args)

    args = tuple(tmp)

we can create our own validators

The table below outlines the options which can be used in a schema in addition to the validators themselves

pre_validators          []     These validators will be applied before the schema

chained_validators      []     These validators will be applied after the schema

allow_extra_fields      False     If True, then it is not an error when keys that aren't associated with a validator are present

filter_extra_fields     False     If True, then keys that aren't associated with a validator are removed

if_key_missing          NoDefault If this is given, then any keys that aren't available but are expected will be replaced with this value (and then validated). This does not override a present .if_missing attribute on validators. NoDefault is a special FormEncode class to mean that no default values has been specified and therefore missing keys shouldn't take a default value.

ignore_key_missing      False     If True, then missing keys will be missing in the result, if the validator doesn't have .if_missing on it already    

<name> = formencode.validators.<name of validator>

<name> must equal form name

list=[1,2,3,4,5]

for SELECT use formencode.All(OneOf(list), Int())

"""

from formencode import All

from formencode.validators import UnicodeString, OneOf, Int, Number, Regex, \

    Email, Bool, StringBoolean

from pylons import session

from pylons.i18n.translation import _

from pylons_app.lib.auth import get_crypt_password

from pylons_app.model import meta

from pylons_app.model.db import User, Repository

from sqlalchemy.exc import OperationalError

from sqlalchemy.orm.exc import NoResultFound, MultipleResultsFound

from webhelpers.pylonslib.secure_form import authentication_token

import datetime

import formencode

import logging

log = logging.getLogger(__name__)

#this is needed to translate the messages using _() in validators

class State_obj(object):

    _ = staticmethod(_)

#===============================================================================

# VALIDATORS

#===============================================================================

class ValidAuthToken(formencode.validators.FancyValidator):

    messages = {'invalid_token':_('Token mismatch')}

    def validate_python(self, value, state):

        if value != authentication_token():

            raise formencode.Invalid(self.message('invalid_token', state,

                                            search_number=value), value, state)

def ValidUsername(edit, old_data):             

    class _ValidUsername(formencode.validators.FancyValidator):

        def validate_python(self, value, state):

            if value in ['default', 'new_user']:

                            v = 'repository.none'

                    perms_update.append((usr, v))

        value['perms_updates'] = perms_update

        value['perms_new'] = perms_new

        sa = meta.Session

        for k, v in perms_new:

            try:

                self.user_db = sa.query(User)\

                    .filter(User.active == True)\

                    .filter(User.username == k).one()

            except Exception:

                msg = self.message('perm_new_user_name',

                                     state=State_obj)

                raise formencode.Invalid(msg, value, state, error_dict={'perm_new_user_name':msg})            

        return value

class ValidSettings(formencode.validators.FancyValidator):

    def to_python(self, value, state):

        #settings  form can't edit user

        if value.has_key('user'):

            del['value']['user']

        return value                

#===============================================================================

# FORMS        

#===============================================================================

class LoginForm(formencode.Schema):

    allow_extra_fields = True

    filter_extra_fields = True

    username = UnicodeString(

                             strip=True,

                             min=3,

                             not_empty=True,

                             messages={

                                       'empty':_('Please enter a login'),

                                       'tooShort':_('Enter a value %(min)i characters long or more')}

                            )

    password = UnicodeString(

                            strip=True,

                            min=3,

                            not_empty=True,

                            messages={

                                      'empty':_('Please enter a password'),

                                      'tooShort':_('Enter a value %(min)i characters long or more')}

                                )

        chained_validators = [ValidPerms]

    return _RepoForm

def RepoSettingsForm(edit=False, old_data={}):

    class _RepoForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

        repo_name = All(UnicodeString(strip=True, min=1, not_empty=True), ValidRepoName(edit, old_data))

        description = UnicodeString(strip=True, min=3, not_empty=True)

        private = StringBoolean(if_missing=False)

        chained_validators = [ValidPerms, ValidSettings]

    return _RepoForm

def ApplicationSettingsForm():

    class _ApplicationSettingsForm(formencode.Schema):

        allow_extra_fields = True

        filter_extra_fields = False

        hg_app_title = UnicodeString(strip=True, min=3, not_empty=True)

        hg_app_realm = UnicodeString(strip=True, min=3, not_empty=True)

    return _ApplicationSettingsForm

		                ${h.checkbox('destroy',True)}

		                <label for="checkbox-1">

		                <span class="tooltip" tooltip_title="${h.tooltip(_('In case a repository was deleted from filesystem and there are leftovers in the database check this option to scan obsolete data in database and remove it.'))}">

		                ${_('destroy old data')}</span> </label>

		            </div>

		        </div>

			</div>

            <div class="buttons">

            ${h.submit('rescan','rescan repositories',class_="ui-button ui-widget ui-state-default ui-corner-all")}

            </div>                                                          

        </div>

    </div>  

    ${h.end_form()}

    <h3>${_('Global application settings')}</h3> 

    ${h.form(url('admin_setting', setting_id='global'),method='put')}

    <div class="form">

        <!-- fields -->

        <div class="fields">

             <div class="field">

                <div class="label">

                </div>

                <div class="input">

                    ${h.text('hg_app_title',size=30)}

                </div>

             </div>

            <div class="field">

                <div class="label">

                </div>

                <div class="input">

                    ${h.text('hg_app_realm',size=30)}

                </div>

            </div>

            <div class="buttons">

                ${h.submit('save','save settings',class_="ui-button ui-widget ui-state-default ui-corner-all")}

           </div>                                                          

        </div>

    </div>      

    ${h.end_form()}

</div>

</%def>