# -*- coding: utf-8 -*-

"""

    rhodecode.controllers.admin.repos

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Admin controller for RhodeCode

    :created_on: Apr 7, 2010

    :author: marcink

    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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, see <http://www.gnu.org/licenses/>.

import logging

import traceback

import formencode

from operator import itemgetter

from formencode import htmlfill

from paste.httpexceptions import HTTPInternalServerError

from pylons import request, response, session, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from rhodecode.lib import helpers as h

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

    HasPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.utils import invalidate_cache, action_logger, repo_name_slug

from rhodecode.lib.helpers import get_token

from rhodecode.model.db import User, Repository, UserFollowing, Group

from rhodecode.model.forms import RepoForm

from rhodecode.model.scm import ScmModel

from rhodecode.model.repo import RepoModel

log = logging.getLogger(__name__)

class ReposController(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('repo', 'repos')

    @LoginRequired()

    @HasPermissionAnyDecorator('hg.admin', 'hg.create.repository')

    def __before__(self):

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

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

        super(ReposController, self).__before__()

    def __load_defaults(self):

        repo_model = RepoModel()

        c.repo_groups = [('', '')]

        parents_link = lambda k: h.literal('»'.join(

                                    map(lambda k: k.group_name,

                                        k.parents + [k])

                                    )

                                )

        c.repo_groups.extend([(x.group_id, parents_link(x)) for \

                                            x in self.sa.query(Group).all()])

        c.repo_groups = sorted(c.repo_groups,

                               key=lambda t: t[1].split('»')[0])

        c.repo_groups_choices = map(lambda k: unicode(k[0]), c.repo_groups)

        c.users_array = repo_model.get_users_js()

        c.users_groups_array = repo_model.get_users_groups_js()

    def __load_data(self, repo_name=None):

        """

        Load defaults settings for edit, and update

        :param repo_name:

        """

        self.__load_defaults()

        repo, dbrepo = ScmModel().get(repo_name, retval='repo')

        repo_model = RepoModel()

        c.repo_info = repo_model.get_by_repo_name(repo_name)

        if c.repo_info is None:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was created or renamed from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('repos'))

        c.default_user_id = User.by_username('default').user_id

        c.in_public_journal = self.sa.query(UserFollowing)\

            .filter(UserFollowing.user_id == c.default_user_id)\

            .filter(UserFollowing.follows_repository == c.repo_info).scalar()

        if c.repo_info.stats:

            last_rev = c.repo_info.stats.stat_on_revision

        else:

            last_rev = 0

        c.stats_revision = last_rev

        c.repo_last_rev = repo.count() - 1 if repo.revisions else 0

        if last_rev == 0 or c.repo_last_rev == 0:

            c.stats_percentage = 0

        else:

            c.stats_percentage = '%.2f' % ((float((last_rev)) /

                                            c.repo_last_rev) * 100)

        defaults = c.repo_info.get_dict()

        group, repo_name = c.repo_info.groups_and_repo

        defaults['repo_name'] = repo_name

        defaults['repo_group'] = getattr(group[-1] if group else None,

                                         'group_id', None)

        #fill owner

        if c.repo_info.user:

            defaults.update({'user': c.repo_info.user.username})

        else:

            replacement_user = self.sa.query(User)\

            .filter(User.admin == True).first().username

            defaults.update({'user': replacement_user})

        #fill repository users

        for p in c.repo_info.repo_to_perm:

            defaults.update({'u_perm_%s' % p.user.username:

                             p.permission.permission_name})

        #fill repository groups

        for p in c.repo_info.users_group_to_perm:

            defaults.update({'g_perm_%s' % p.users_group.users_group_name:

                             p.permission.permission_name})

        return defaults

    @HasPermissionAllDecorator('hg.admin')

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

        """GET /repos: All items in the collection"""

        # url('repos')

        all_repos = [r.repo_name for r in Repository.query().all()]

        cached_repo_list = ScmModel().get_repos(all_repos)

        c.repos_list = sorted(cached_repo_list, key=itemgetter('name_sort'))

        return render('admin/repos/repos.html')

    @HasPermissionAnyDecorator('hg.admin', 'hg.create.repository')

    def create(self):

        """

        POST /repos: Create a new item"""

        # url('repos')

        repo_model = RepoModel()

        self.__load_defaults()

        form_result = {}

        try:

            form_result = RepoForm(repo_groups=c.repo_groups_choices)()\

                            .to_python(dict(request.POST))

            repo_model.create(form_result, self.rhodecode_user)

            if form_result['clone_uri']:

                h.flash(_('created repository %s from %s') \

                    % (form_result['repo_name'], form_result['clone_uri']),

                    category='success')

            else:

                h.flash(_('created repository %s') % form_result['repo_name'],

                    category='success')

            if request.POST.get('user_created'):

                action_logger(self.rhodecode_user, 'user_created_repo',

            else:

                action_logger(self.rhodecode_user, 'admin_created_repo',

        except formencode.Invalid, errors:

            c.new_repo = errors.value['repo_name']

            if request.POST.get('user_created'):

                r = render('admin/repos/repo_add_create_repository.html')

            else:

                r = render('admin/repos/repo_add.html')

            return htmlfill.render(

                r,

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            msg = _('error occurred during creation of repository %s') \

                    % form_result.get('repo_name')

            h.flash(msg, category='error')

        if request.POST.get('user_created'):

            return redirect(url('home'))

        return redirect(url('repos'))

    @HasPermissionAllDecorator('hg.admin')

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

        """GET /repos/new: Form to create a new item"""

        new_repo = request.GET.get('repo', '')

        c.new_repo = repo_name_slug(new_repo)

        self.__load_defaults()

        return render('admin/repos/repo_add.html')

    @HasPermissionAllDecorator('hg.admin')

    def update(self, repo_name):

        """

        PUT /repos/repo_name: 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('repo', repo_name=ID),

        #           method='put')

        # url('repo', repo_name=ID)

        self.__load_defaults()

        repo_model = RepoModel()

        changed_name = repo_name

        _form = RepoForm(edit=True, old_data={'repo_name': repo_name},

                         repo_groups=c.repo_groups_choices)()

        try:

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

            repo_model.update(repo_name, form_result)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('Repository %s updated successfully' % repo_name),

                    category='success')

            changed_name = form_result['repo_name_full']

            action_logger(self.rhodecode_user, 'admin_updated_repo',

                              changed_name, '', self.sa)

        except formencode.Invalid, errors:

            defaults = self.__load_data(repo_name)

            defaults.update(errors.value)

            return htmlfill.render(

                render('admin/repos/repo_edit.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of repository %s') \

                    % repo_name, category='error')

        return redirect(url('edit_repo', repo_name=changed_name))

    @HasPermissionAllDecorator('hg.admin')

    def delete(self, repo_name):

        """

        DELETE /repos/repo_name: 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('repo', repo_name=ID),

        #           method='delete')

        # url('repo', repo_name=ID)

        repo_model = RepoModel()

        repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was moved or renamed  from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('repos'))

        try:

            action_logger(self.rhodecode_user, 'admin_deleted_repo',

                              repo_name, '', self.sa)

            repo_model.delete(repo)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('deleted repository %s') % repo_name, category='success')

        except Exception, e:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during deletion of %s') % repo_name,

                    category='error')

        return redirect(url('repos'))

    @HasPermissionAllDecorator('hg.admin')

    def delete_perm_user(self, repo_name):

        """

        DELETE an existing repository permission user

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_user(request.POST, repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository user'),

                    category='error')

            raise HTTPInternalServerError()

    @HasPermissionAllDecorator('hg.admin')

    def delete_perm_users_group(self, repo_name):

        """

        DELETE an existing repository permission users group

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_users_group(request.POST, repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository'

                      ' users groups'),

                    category='error')

            raise HTTPInternalServerError()

    @HasPermissionAllDecorator('hg.admin')

    def repo_stats(self, repo_name):

        """

        DELETE an existing repository statistics

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_stats(repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository stats'),

                    category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_cache(self, repo_name):

        """

        INVALIDATE existing repository cache

        :param repo_name:

        """

        try:

            ScmModel().mark_for_invalidation(repo_name)

        except Exception, e:

            h.flash(_('An error occurred during cache invalidation'),

                    category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_public_journal(self, repo_name):

        """

        Set's this repository to be visible in public journal,

        in other words assing default user to follow this repo

        :param repo_name:

        """

        cur_token = request.POST.get('auth_token')

        token = get_token()

        if cur_token == token:

            try:

                repo_id = Repository.by_repo_name(repo_name).repo_id

                user_id = User.by_username('default').user_id

                self.scm_model.toggle_following_repo(repo_id, user_id)

                h.flash(_('Updated repository visibility in public journal'),

                        category='success')

            except:

                h.flash(_('An error occurred during setting this'

                          ' repository in public journal'),

                        category='error')

        else:

            h.flash(_('Token mismatch'), category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

    def repo_pull(self, repo_name):

        """

        Runs task to update given repository with remote changes,

        ie. make pull on remote location

        :param repo_name:

        """

        try:

            ScmModel().pull_changes(repo_name, self.rhodecode_user.username)

            h.flash(_('Pulled from remote location'), category='success')

        except Exception, e:

            h.flash(_('An error occurred during pull from remote location'),

                    category='error')

        return redirect(url('edit_repo', repo_name=repo_name))

    @HasPermissionAllDecorator('hg.admin')

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

        """GET /repos/repo_name: Show a specific item"""

        # url('repo', repo_name=ID)

    @HasPermissionAllDecorator('hg.admin')

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

        """GET /repos/repo_name/edit: Form to edit an existing item"""

        # url('edit_repo', repo_name=ID)

        defaults = self.__load_data(repo_name)

        return htmlfill.render(

            render('admin/repos/repo_edit.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

# -*- coding: utf-8 -*-

"""

    rhodecode.lib.utils

    ~~~~~~~~~~~~~~~~~~~

    Utilities library for RhodeCode

    :created_on: Apr 18, 2010

    :author: marcink

    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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, see <http://www.gnu.org/licenses/>.

import os

import logging

import datetime

import traceback

import paste

import beaker

from os.path import dirname as dn, join as jn

from paste.script.command import Command, BadCommand

from UserDict import DictMixin

from mercurial import ui, config, hg

from mercurial.error import RepoError

from webhelpers.text import collapse, remove_formatting, strip_tags

from vcs.backends.base import BaseChangeset

from vcs.utils.lazy import LazyProperty

from rhodecode.model import meta

from rhodecode.model.caching_query import FromCache

from rhodecode.model.db import Repository, User, RhodeCodeUi, UserLog, Group, \

    RhodeCodeSettings

from rhodecode.model.repo import RepoModel

from rhodecode.model.user import UserModel

log = logging.getLogger(__name__)

def recursive_replace(str, replace=' '):

    """Recursive replace of given sign to just one instance

    :param str: given string

    :param replace: char to find and replace multiple instances

    Examples::

    >>> recursive_replace("Mighty---Mighty-Bo--sstones",'-')

    'Mighty-Mighty-Bo-sstones'

    """

    if str.find(replace * 2) == -1:

        return str

    else:

        str = str.replace(replace * 2, replace)

        return recursive_replace(str, replace)

def repo_name_slug(value):

    """Return slug of name of repository

    This function is called on each creation/modification

    of repository to prevent bad names in repo

    """

    slug = remove_formatting(value)

    slug = strip_tags(slug)

    for c in """=[]\;'"<>,/~!@#$%^&*()+{}|: """:

        slug = slug.replace(c, '-')

    slug = recursive_replace(slug, '-')

    slug = collapse(slug, '-')

    return slug

def get_repo_slug(request):

    return request.environ['pylons.routes_dict'].get('repo_name')

def action_logger(user, action, repo, ipaddr='', sa=None):

    """

    Action logger for various actions made by users

    :param user: user that made this action, can be a unique username string or

        object containing user_id attribute

    :param action: action to log, should be on of predefined unique actions for

        easy translations

    :param repo: string name of repository or object containing repo_id,

        that action was made on

    :param ipaddr: optional ip address from what the action was made

    :param sa: optional sqlalchemy session

    """

    if not sa:

        sa = meta.Session()

    try:

        um = UserModel()

        if hasattr(user, 'user_id'):

            user_obj = user

        elif isinstance(user, basestring):

            user_obj = um.get_by_username(user, cache=False)

        else:

            raise Exception('You have to provide user object or username')

        rm = RepoModel()

        if hasattr(repo, 'repo_id'):

            repo_obj = rm.get(repo.repo_id, cache=False)

            repo_name = repo_obj.repo_name

        elif  isinstance(repo, basestring):

            repo_name = repo.lstrip('/')

            repo_obj = rm.get_by_repo_name(repo_name, cache=False)

        else:

            raise Exception('You have to provide repository to action logger')

        user_log = UserLog()

        user_log.user_id = user_obj.user_id

        user_log.action = action

        user_log.repository_id = repo_obj.repo_id

        user_log.repository_name = repo_name

        user_log.action_date = datetime.datetime.now()

        user_log.user_ip = ipaddr

        sa.add(user_log)

        sa.commit()

        log.info('Adding user %s, action %s on %s', user_obj, action, repo)

    except:

        log.error(traceback.format_exc())

        sa.rollback()

def get_repos(path, recursive=False):

    """

    Scans given path for repos and return (name,(type,path)) tuple

    :param path: path to scann for repositories

    :param recursive: recursive search and return names with subdirs in front

    """

    from vcs.utils.helpers import get_scm

    from vcs.exceptions import VCSError

    if path.endswith(os.sep):

        #remove ending slash for better results

        path = path[:-1]

    def _get_repos(p):

        if not os.access(p, os.W_OK):

            return

        for dirpath in os.listdir(p):

            if os.path.isfile(os.path.join(p, dirpath)):

                continue

            cur_path = os.path.join(p, dirpath)

            try:

                scm_info = get_scm(cur_path)

                yield scm_info[1].split(path)[-1].lstrip(os.sep), scm_info

            except VCSError:

                if not recursive:

                    continue

                #check if this dir containts other repos for recursive scan

                rec_path = os.path.join(p, dirpath)

                if os.path.isdir(rec_path):

                    for inner_scm in _get_repos(rec_path):

                        yield inner_scm

    return _get_repos(path)

def check_repo_fast(repo_name, base_path):

    """

    Check given path for existence of directory

    :param repo_name:

    :param base_path:

    :return False: if this directory is present

    """

    if os.path.isdir(os.path.join(base_path, repo_name)):

        return False

    return True

def check_repo(repo_name, base_path, verify=True):

    repo_path = os.path.join(base_path, repo_name)

    try:

        if not check_repo_fast(repo_name, base_path):

            return False

        r = hg.repository(ui.ui(), repo_path)

        if verify:

            hg.verify(r)

        #here we hnow that repo exists it was verified

        log.info('%s repo is already created', repo_name)

        return False

    except RepoError:

        #it means that there is no valid repo there...

        log.info('%s repo is free for creation', repo_name)

        return True

def ask_ok(prompt, retries=4, complaint='Yes or no, please!'):

    while True:

        ok = raw_input(prompt)

        if ok in ('y', 'ye', 'yes'):

            return True

        if ok in ('n', 'no', 'nop', 'nope'):

            return False

        retries = retries - 1

        if retries < 0:

            raise IOError

        print complaint

#propagated from mercurial documentation

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()

    #clean the baseui object

    baseui._ocfg = config.config()

    baseui._ucfg = config.config()

    baseui._tcfg = config.config()

    if read_from == 'file':

        if not os.path.isfile(path):

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

            return False

        log.debug('reading hgrc from %s', path)

        cfg = config.config()

        cfg.read(path)

        for section in ui_sections:

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

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

                baseui.setconfig(section, k, v)

    elif read_from == 'db':

        sa = meta.Session()

        ret = sa.query(RhodeCodeUi)\

            .options(FromCache("sql_cache_short",

                               "get_hg_ui_settings")).all()

        hg_ui = ret

        for ui_ in hg_ui:

            if ui_.ui_active:

                log.debug('settings ui from db[%s]%s:%s', ui_.ui_section,

                          ui_.ui_key, ui_.ui_value)

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

        meta.Session.remove()

    return baseui

def set_rhodecode_config(config):

    """Updates pylons config with new settings from database

    :param config:

    """

    hgsettings = RhodeCodeSettings.get_app_settings()

    for k, v in hgsettings.items():

        config[k] = v

def invalidate_cache(cache_key, *args):

    """Puts cache invalidation task into db for

    further global cache invalidation

    """

    from rhodecode.model.scm import ScmModel

    if cache_key.startswith('get_repo_cached_'):

        name = cache_key.split('get_repo_cached_')[-1]

        ScmModel().mark_for_invalidation(name)

class EmptyChangeset(BaseChangeset):

    """

    An dummy empty changeset. It's possible to pass hash when creating

    an EmptyChangeset

    """

    def __init__(self, cs='0' * 40, repo=None):

        self._empty_cs = cs

        self.revision = -1

        self.message = ''

        self.author = ''

        self.date = ''

        self.repository = repo

    @LazyProperty

    def raw_id(self):

        """Returns raw string identifying this changeset, useful for web

        representation.

        """

        return self._empty_cs

    @LazyProperty

    def short_id(self):

        return self.raw_id[:12]

    def get_file_changeset(self, path):

        return self

    def get_file_content(self, path):

        return u''

    def get_file_size(self, path):

        return 0

def map_groups(groups):

    """Checks for groups existence, and creates groups structures.

    It returns last group in structure

    :param groups: list of groups structure

    """

    sa = meta.Session()

    parent = None

    group = None

    for lvl, group_name in enumerate(groups[:-1]):

        group = sa.query(Group).filter(Group.group_name == group_name).scalar()

        if group is None:

            group = Group(group_name, parent)

            sa.add(group)

            sa.commit()

        parent = group

    return group

def repo2db_mapper(initial_repo_list, remove_obsolete=False):

    """maps all repos given in initial_repo_list, non existing repositories

    are created, if remove_obsolete is True it also check for db entries

    that are not in initial_repo_list and removes them.

    :param initial_repo_list: list of repositories found by scanning methods

    :param remove_obsolete: check for obsolete entries in database

    """

    sa = meta.Session()

    rm = RepoModel()

    user = sa.query(User).filter(User.admin == True).first()

    added = []

    for name, repo in initial_repo_list.items():

        group = map_groups(name.split('/'))

        if not rm.get_by_repo_name(name, cache=False):

            log.info('repository %s not found creating default', name)

            added.append(name)

            form_data = {

                         'repo_name': name,

                         'repo_type': repo.alias,

                         'description': repo.description \

                            if repo.description != 'unknown' else \

                                        '%s repository' % name,

                         'private': False,

                         'group_id': getattr(group, 'group_id', None)

                         }

            rm.create(form_data, user, just_db=True)

    removed = []

    if remove_obsolete:

        #remove from database those repositories that are not in the filesystem

        for repo in sa.query(Repository).all():

            if repo.repo_name not in initial_repo_list.keys():

                removed.append(repo.repo_name)

                sa.delete(repo)

                sa.commit()

    return added, removed

#set cache regions for beaker so celery can utilise it

def add_cache(settings):

    cache_settings = {'regions': None}

    for key in settings.keys():

        for prefix in ['beaker.cache.', 'cache.']:

            if key.startswith(prefix):

                name = key.split(prefix)[1].strip()

                cache_settings[name] = settings[key].strip()

    if cache_settings['regions']:

        for region in cache_settings['regions'].split(','):

            region = region.strip()

            region_settings = {}

            for key, value in cache_settings.items():

                if key.startswith(region):

                    region_settings[key.split('.')[1]] = value

            region_settings['expire'] = int(region_settings.get('expire',

                                                                60))

            region_settings.setdefault('lock_dir',

                                       cache_settings.get('lock_dir'))

            region_settings.setdefault('data_dir',

                                       cache_settings.get('data_dir'))

            if 'type' not in region_settings:

                region_settings['type'] = cache_settings.get('type',

                                                             'memory')

            beaker.cache.cache_regions[region] = region_settings