Added optional flag to make_ui to not clean sqlalchemy Session.

Don't clear sqlalchemy session when using make_ui in admin repo form

rhodecode/lib/utils.py

@@ -1,668 +1,668 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.utils
     ~~~~~~~~~~~~~~~~~~~
 
     Utilities library for RhodeCode
 
     :created_on: Apr 18, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :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 re
 import logging
 import datetime
 import traceback
 import paste
 import beaker
 import tarfile
 import shutil
 from os.path import abspath
 from os.path import dirname as dn, join as jn
 
 from paste.script.command import Command, BadCommand
 
 from mercurial import ui, config
 
 from webhelpers.text import collapse, remove_formatting, strip_tags
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.backends.base import BaseChangeset
 from rhodecode.lib.vcs.utils.lazy import LazyProperty
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model import meta
 from rhodecode.model.db import Repository, User, RhodeCodeUi, \
     UserLog, RepoGroup, RhodeCodeSetting, CacheInvalidation
 from rhodecode.model.meta import Session
 from rhodecode.model.repos_group import ReposGroupModel
 from rhodecode.lib.utils2 import safe_str, safe_unicode
 from rhodecode.lib.vcs.utils.fakemod import create_module
 
 log = logging.getLogger(__name__)
 
 REMOVED_REPO_PAT = re.compile(r'rm__\d{8}_\d{6}_\d{6}__.*')
 
 
 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):
     _repo = request.environ['pylons.routes_dict'].get('repo_name')
     if _repo:
         _repo = _repo.rstrip('/')
     return _repo
 
 
 def get_repos_group_slug(request):
     _group = request.environ['pylons.routes_dict'].get('group_name')
     if _group:
         _group = _group.rstrip('/')
     return _group
 
 
 def action_logger(user, action, repo, ipaddr='', sa=None, commit=False):
     """
     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:
         if hasattr(user, 'user_id'):
             user_obj = user
         elif isinstance(user, basestring):
             user_obj = User.get_by_username(user)
         else:
             raise Exception('You have to provide user object or username')
 
         if hasattr(repo, 'repo_id'):
             repo_obj = Repository.get(repo.repo_id)
             repo_name = repo_obj.repo_name
         elif  isinstance(repo, basestring):
             repo_name = repo.lstrip('/')
             repo_obj = Repository.get_by_repo_name(repo_name)
         else:
             repo_obj = None
             repo_name = ''
 
         user_log = UserLog()
         user_log.user_id = user_obj.user_id
         user_log.action = safe_unicode(action)
 
         user_log.repository = repo_obj
         user_log.repository_name = repo_name
 
         user_log.action_date = datetime.datetime.now()
         user_log.user_ip = ipaddr
         sa.add(user_log)
 
         log.info(
             'Adding user %s, action %s on %s' % (user_obj, action,
                                                  safe_unicode(repo))
         )
         if commit:
             sa.commit()
     except:
         log.error(traceback.format_exc())
         raise
 
 
 def get_repos(path, recursive=False):
     """
     Scans given path for repos and return (name,(type,path)) tuple
 
     :param path: path to scan for repositories
     :param recursive: recursive search and return names with subdirs in front
     """
 
     # remove ending slash for better results
     path = path.rstrip(os.sep)
 
     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)[-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 is_valid_repo(repo_name, base_path, scm=None):
     """
     Returns True if given path is a valid repository False otherwise.
     If scm param is given also compare if given scm is the same as expected 
     from scm parameter
 
     :param repo_name:
     :param base_path:
     :param scm:
 
     :return True: if given path is a valid repository
     """
     full_path = os.path.join(safe_str(base_path), safe_str(repo_name))
 
     try:
         scm_ = get_scm(full_path)
         if scm:
             return scm_[0] == scm
         return True
     except VCSError:
         return False
 
 
 def is_valid_repos_group(repos_group_name, base_path):
     """
     Returns True if given path is a repos group False otherwise
 
     :param repo_name:
     :param base_path:
     """
     full_path = os.path.join(safe_str(base_path), safe_str(repos_group_name))
 
     # check if it's not a repo
     if is_valid_repo(repos_group_name, base_path):
         return False
 
     try:
         # we need to check bare git repos at higher level
         # since we might match branches/hooks/info/objects or possible
         # other things inside bare git repo
         get_scm(os.path.dirname(full_path))
         return False
     except VCSError:
         pass
 
     # check if it's a valid path
     if os.path.isdir(full_path):
         return True
 
     return False
 
 
 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):
+def make_ui(read_from='file', path=None, checkpaths=True, clear_session=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.debug('hgrc file is not present at %s skipping...' % 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)
             if ui_.ui_key == 'push_ssl':
                 # force set push_ssl requirement to False, rhodecode
                 # handles that
                 baseui.setconfig(ui_.ui_section, ui_.ui_key, False)
-
-        meta.Session.remove()
+        if clear_session:
+            meta.Session.remove()
     return baseui
 
 
 def set_rhodecode_config(config):
     """
     Updates pylons config with new settings from database
 
     :param config:
     """
     hgsettings = RhodeCodeSetting.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)
 
 
 def map_groups(path):
     """
     Given a full path to a repository, create all nested groups that this
     repo is inside. This function creates parent-child relationships between
     groups and creates default perms for all new groups.
 
     :param paths: full path to repository
     """
     sa = meta.Session()
     groups = path.split(Repository.url_sep())
     parent = None
     group = None
 
     # last element is repo in nested groups structure
     groups = groups[:-1]
     rgm = ReposGroupModel(sa)
     for lvl, group_name in enumerate(groups):
         group_name = '/'.join(groups[:lvl] + [group_name])
         group = RepoGroup.get_by_group_name(group_name)
         desc = '%s group' % group_name
 
         # skip folders that are now removed repos
         if REMOVED_REPO_PAT.match(group_name):
             break
 
         if group is None:
             log.debug('creating group level: %s group_name: %s' % (lvl,
                                                                    group_name))
             group = RepoGroup(group_name, parent)
             group.group_description = desc
             sa.add(group)
             rgm._create_default_perms(group)
             sa.flush()
         parent = group
     return group
 
 
 def repo2db_mapper(initial_repo_list, remove_obsolete=False,
                    install_git_hook=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
     :param install_git_hook: if this is True, also check and install githook
         for a repo if missing
     """
     from rhodecode.model.repo import RepoModel
     from rhodecode.model.scm import ScmModel
     sa = meta.Session()
     rm = RepoModel()
     user = sa.query(User).filter(User.admin == True).first()
     if user is None:
         raise Exception('Missing administrative account !')
     added = []
 
     for name, repo in initial_repo_list.items():
         group = map_groups(name)
         db_repo = rm.get_by_repo_name(name)
         # found repo that is on filesystem not in RhodeCode database
         if not db_repo:
             log.info('repository %s not found creating now' % name)
             added.append(name)
             desc = (repo.description
                     if repo.description != 'unknown'
                     else '%s repository' % name)
             new_repo = rm.create_repo(
                 repo_name=name,
                 repo_type=repo.alias,
                 description=desc,
                 repos_group=getattr(group, 'group_id', None),
                 owner=user,
                 just_db=True
             )
             # we added that repo just now, and make sure it has githook
             # installed
             if new_repo.repo_type == 'git':
                 ScmModel().install_git_hook(new_repo.scm_instance)
         elif install_git_hook:
             if db_repo.repo_type == 'git':
                 ScmModel().install_git_hook(db_repo.scm_instance)
     sa.commit()
     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():
                 log.debug("Removing non existing repository found in db `%s`" %
                           repo.repo_name)
                 try:
                     sa.delete(repo)
                     sa.commit()
                     removed.append(repo.repo_name)
                 except:
                     #don't hold further removals on error
                     log.error(traceback.format_exc())
                     sa.rollback()
 
     # clear cache keys
     log.debug("Clearing cache keys now...")
     CacheInvalidation.clear_cache()
     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
 
 
 def load_rcextensions(root_path):
     import rhodecode
     from rhodecode.config import conf
 
     path = os.path.join(root_path, 'rcextensions', '__init__.py')
     if os.path.isfile(path):
         rcext = create_module('rc', path)
         EXT = rhodecode.EXTENSIONS = rcext
         log.debug('Found rcextensions now loading %s...' % rcext)
 
         # Additional mappings that are not present in the pygments lexers
         conf.LANGUAGES_EXTENSIONS_MAP.update(getattr(EXT, 'EXTRA_MAPPINGS', {}))
 
         #OVERRIDE OUR EXTENSIONS FROM RC-EXTENSIONS (if present)
 
         if getattr(EXT, 'INDEX_EXTENSIONS', []) != []:
             log.debug('settings custom INDEX_EXTENSIONS')
             conf.INDEX_EXTENSIONS = getattr(EXT, 'INDEX_EXTENSIONS', [])
 
         #ADDITIONAL MAPPINGS
         log.debug('adding extra into INDEX_EXTENSIONS')
         conf.INDEX_EXTENSIONS.extend(getattr(EXT, 'EXTRA_INDEX_EXTENSIONS', []))
 
 
 #==============================================================================
 # TEST FUNCTIONS AND CREATORS
 #==============================================================================
 def create_test_index(repo_location, config, full_index):
     """
     Makes default test index
 
     :param config: test config
     :param full_index:
     """
 
     from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon
     from rhodecode.lib.pidlock import DaemonLock, LockHeld
 
     repo_location = repo_location
 
     index_location = os.path.join(config['app_conf']['index_dir'])
     if not os.path.exists(index_location):
         os.makedirs(index_location)
 
     try:
         l = DaemonLock(file_=jn(dn(index_location), 'make_index.lock'))
         WhooshIndexingDaemon(index_location=index_location,
                              repo_location=repo_location)\
             .run(full_index=full_index)
         l.release()
     except LockHeld:
         pass
 
 
 def create_test_env(repos_test_path, config):
     """
     Makes a fresh database and
     install test repository into tmp dir
     """
     from rhodecode.lib.db_manage import DbManage
     from rhodecode.tests import HG_REPO, GIT_REPO, TESTS_TMP_PATH
 
     # PART ONE create db
     dbconf = config['sqlalchemy.db1.url']
     log.debug('making test db %s' % dbconf)
 
     # create test dir if it doesn't exist
     if not os.path.isdir(repos_test_path):
         log.debug('Creating testdir %s' % repos_test_path)
         os.makedirs(repos_test_path)
 
     dbmanage = DbManage(log_sql=True, dbconf=dbconf, root=config['here'],
                         tests=True)
     dbmanage.create_tables(override=True)
     dbmanage.create_settings(dbmanage.config_prompt(repos_test_path))
     dbmanage.create_default_user()
     dbmanage.admin_prompt()
     dbmanage.create_permissions()
     dbmanage.populate_default_permissions()
     Session().commit()
     # PART TWO make test repo
     log.debug('making test vcs repositories')
 
     idx_path = config['app_conf']['index_dir']
     data_path = config['app_conf']['cache_dir']
 
     #clean index and data
     if idx_path and os.path.exists(idx_path):
         log.debug('remove %s' % idx_path)
         shutil.rmtree(idx_path)
 
     if data_path and os.path.exists(data_path):
         log.debug('remove %s' % data_path)
         shutil.rmtree(data_path)
 
     #CREATE DEFAULT TEST REPOS
     cur_dir = dn(dn(abspath(__file__)))
     tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test_hg.tar.gz"))
     tar.extractall(jn(TESTS_TMP_PATH, HG_REPO))
     tar.close()
 
     cur_dir = dn(dn(abspath(__file__)))
     tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test_git.tar.gz"))
     tar.extractall(jn(TESTS_TMP_PATH, GIT_REPO))
     tar.close()
 
     #LOAD VCS test stuff
     from rhodecode.tests.vcs import setup_package
     setup_package()
 
 
 #==============================================================================
 # PASTER COMMANDS
 #==============================================================================
 class BasePasterCommand(Command):
     """
     Abstract Base Class for paster commands.
 
     The celery commands are somewhat aggressive about loading
     celery.conf, and since our module sets the `CELERY_LOADER`
     environment variable to our loader, we have to bootstrap a bit and
     make sure we've had a chance to load the pylons config off of the
     command line, otherwise everything fails.
     """
     min_args = 1
     min_args_error = "Please provide a paster config file as an argument."
     takes_config_file = 1
     requires_config_file = True
 
     def notify_msg(self, msg, log=False):
         """Make a notification to user, additionally if logger is passed
         it logs this action using given logger
 
         :param msg: message that will be printed to user
         :param log: logging instance, to use to additionally log this message
 
         """
         if log and isinstance(log, logging):
             log(msg)
 
     def run(self, args):
         """
         Overrides Command.run
 
         Checks for a config file argument and loads it.
         """
         if len(args) < self.min_args:
             raise BadCommand(
                 self.min_args_error % {'min_args': self.min_args,
                                        'actual_args': len(args)})
 
         # Decrement because we're going to lob off the first argument.
         # @@ This is hacky
         self.min_args -= 1
         self.bootstrap_config(args[0])
         self.update_parser()
         return super(BasePasterCommand, self).run(args[1:])
 
     def update_parser(self):
         """
         Abstract method.  Allows for the class's parser to be updated
         before the superclass's `run` method is called.  Necessary to
         allow options/arguments to be passed through to the underlying
         celery command.
         """
         raise NotImplementedError("Abstract Method.")
 
     def bootstrap_config(self, conf):
         """
         Loads the pylons configuration.
         """
         from pylons import config as pylonsconfig
 
         self.path_to_ini_file = os.path.realpath(conf)
         conf = paste.deploy.appconfig('config:' + self.path_to_ini_file)
         pylonsconfig.init_app(conf.global_conf, conf.local_conf)

rhodecode/model/validators.py

@@ -1,601 +1,601 b''
 """
 Set of generic validators
 """
 import os
 import re
 import formencode
 import logging
 from pylons.i18n.translation import _
 from webhelpers.pylonslib.secure_form import authentication_token
 
 from formencode.validators import (
     UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set,
 )
 from rhodecode.lib.utils import repo_name_slug
 from rhodecode.model.db import RepoGroup, Repository, UsersGroup, User
 from rhodecode.lib.exceptions import LdapImportError
 from rhodecode.config.routing import ADMIN_PREFIX
 # silence warnings and pylint
 UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set
 
 log = logging.getLogger(__name__)
 
 
 class StateObj(object):
     """
     this is needed to translate the messages using _() in validators
     """
     _ = staticmethod(_)
 
 
 def M(self, key, state=None, **kwargs):
     """
     returns string from self.message based on given key,
     passed kw params are used to substitute %(named)s params inside
     translated strings
 
     :param msg:
     :param state:
     """
     if state is None:
         state = StateObj()
     else:
         state._ = staticmethod(_)
     #inject validator into state object
     return self.message(key, state, **kwargs)
 
 
 def ValidUsername(edit=False, old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'username_exists': _(u'Username "%(username)s" already exists'),
             'system_invalid_username':
                 _(u'Username "%(username)s" is forbidden'),
             'invalid_username':
                 _(u'Username may only contain alphanumeric characters '
                   'underscores, periods or dashes and must begin with '
                   'alphanumeric character')
         }
 
         def validate_python(self, value, state):
             if value in ['default', 'new_user']:
                 msg = M(self, 'system_invalid_username', state, username=value)
                 raise formencode.Invalid(msg, value, state)
             #check if user is unique
             old_un = None
             if edit:
                 old_un = User.get(old_data.get('user_id')).username
 
             if old_un != value or not edit:
                 if User.get_by_username(value, case_insensitive=True):
                     msg = M(self, 'username_exists', state, username=value)
                     raise formencode.Invalid(msg, value, state)
 
             if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
                 msg = M(self, 'invalid_username', state)
                 raise formencode.Invalid(msg, value, state)
     return _validator
 
 
 def ValidRepoUser():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_username': _(u'Username %(username)s is not valid')
         }
 
         def validate_python(self, value, state):
             try:
                 User.query().filter(User.active == True)\
                     .filter(User.username == value).one()
             except Exception:
                 msg = M(self, 'invalid_username', state, username=value)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(username=msg)
                 )
 
     return _validator
 
 
 def ValidUsersGroup(edit=False, old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_group': _(u'Invalid users group name'),
             'group_exist': _(u'Users group "%(usersgroup)s" already exists'),
             'invalid_usersgroup_name':
                 _(u'users group name may only contain  alphanumeric '
                   'characters underscores, periods or dashes and must begin '
                   'with alphanumeric character')
         }
 
         def validate_python(self, value, state):
             if value in ['default']:
                 msg = M(self, 'invalid_group', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(users_group_name=msg)
                 )
             #check if group is unique
             old_ugname = None
             if edit:
                 old_id = old_data.get('users_group_id')
                 old_ugname = UsersGroup.get(old_id).users_group_name
 
             if old_ugname != value or not edit:
                 is_existing_group = UsersGroup.get_by_group_name(value,
                                                         case_insensitive=True)
                 if is_existing_group:
                     msg = M(self, 'group_exist', state, usersgroup=value)
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(users_group_name=msg)
                     )
 
             if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
                 msg = M(self, 'invalid_usersgroup_name', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(users_group_name=msg)
                 )
 
     return _validator
 
 
 def ValidReposGroup(edit=False, old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'group_parent_id': _(u'Cannot assign this group as parent'),
             'group_exists': _(u'Group "%(group_name)s" already exists'),
             'repo_exists':
                 _(u'Repository with name "%(group_name)s" already exists')
         }
 
         def validate_python(self, value, state):
             # TODO WRITE VALIDATIONS
             group_name = value.get('group_name')
             group_parent_id = value.get('group_parent_id')
 
             # slugify repo group just in case :)
             slug = repo_name_slug(group_name)
 
             # check for parent of self
             parent_of_self = lambda: (
                 old_data['group_id'] == int(group_parent_id)
                 if group_parent_id else False
             )
             if edit and parent_of_self():
                 msg = M(self, 'group_parent_id', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(group_parent_id=msg)
                 )
 
             old_gname = None
             if edit:
                 old_gname = RepoGroup.get(old_data.get('group_id')).group_name
 
             if old_gname != group_name or not edit:
 
                 # check group
                 gr = RepoGroup.query()\
                       .filter(RepoGroup.group_name == slug)\
                       .filter(RepoGroup.group_parent_id == group_parent_id)\
                       .scalar()
 
                 if gr:
                     msg = M(self, 'group_exists', state, group_name=slug)
                     raise formencode.Invalid(msg, value, state,
                             error_dict=dict(group_name=msg)
                     )
 
                 # check for same repo
                 repo = Repository.query()\
                       .filter(Repository.repo_name == slug)\
                       .scalar()
 
                 if repo:
                     msg = M(self, 'repo_exists', state, group_name=slug)
                     raise formencode.Invalid(msg, value, state,
                             error_dict=dict(group_name=msg)
                     )
 
     return _validator
 
 
 def ValidPassword():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_password':
                 _(u'Invalid characters (non-ascii) in password')
         }
 
         def validate_python(self, value, state):
             try:
                 (value or '').decode('ascii')
             except UnicodeError:
                 msg = M(self, 'invalid_password', state)
                 raise formencode.Invalid(msg, value, state,)
     return _validator
 
 
 def ValidPasswordsMatch():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'password_mismatch': _(u'Passwords do not match'),
         }
 
         def validate_python(self, value, state):
 
             pass_val = value.get('password') or value.get('new_password')
             if pass_val != value['password_confirmation']:
                 msg = M(self, 'password_mismatch', state)
                 raise formencode.Invalid(msg, value, state,
                      error_dict=dict(password_confirmation=msg)
                 )
     return _validator
 
 
 def ValidAuth():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_password': _(u'invalid password'),
             'invalid_username': _(u'invalid user name'),
             'disabled_account': _(u'Your account is disabled')
         }
 
         def validate_python(self, value, state):
             from rhodecode.lib.auth import authenticate
 
             password = value['password']
             username = value['username']
 
             if not authenticate(username, password):
                 user = User.get_by_username(username)
                 if user and user.active is False:
                     log.warning('user %s is disabled' % username)
                     msg = M(self, 'disabled_account', state)
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(username=msg)
                     )
                 else:
                     log.warning('user %s failed to authenticate' % username)
                     msg = M(self, 'invalid_username', state)
                     msg2 = M(self, 'invalid_password', state)
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(username=msg, password=msg2)
                     )
     return _validator
 
 
 def ValidAuthToken():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_token': _(u'Token mismatch')
         }
 
         def validate_python(self, value, state):
             if value != authentication_token():
                 msg = M(self, 'invalid_token', state)
                 raise formencode.Invalid(msg, value, state)
     return _validator
 
 
 def ValidRepoName(edit=False, old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_repo_name':
                 _(u'Repository name %(repo)s is disallowed'),
             'repository_exists':
                 _(u'Repository named %(repo)s already exists'),
             'repository_in_group_exists': _(u'Repository "%(repo)s" already '
                                             'exists in group "%(group)s"'),
             'same_group_exists': _(u'Repositories group with name "%(repo)s" '
                                    'already exists')
         }
 
         def _to_python(self, value, state):
             repo_name = repo_name_slug(value.get('repo_name', ''))
             repo_group = value.get('repo_group')
             if repo_group:
                 gr = RepoGroup.get(repo_group)
                 group_path = gr.full_path
                 group_name = gr.group_name
                 # value needs to be aware of group name in order to check
                 # db key This is an actual just the name to store in the
                 # database
                 repo_name_full = group_path + RepoGroup.url_sep() + repo_name
             else:
                 group_name = group_path = ''
                 repo_name_full = repo_name
 
             value['repo_name'] = repo_name
             value['repo_name_full'] = repo_name_full
             value['group_path'] = group_path
             value['group_name'] = group_name
             return value
 
         def validate_python(self, value, state):
 
             repo_name = value.get('repo_name')
             repo_name_full = value.get('repo_name_full')
             group_path = value.get('group_path')
             group_name = value.get('group_name')
 
             if repo_name in [ADMIN_PREFIX, '']:
                 msg = M(self, 'invalid_repo_name', state, repo=repo_name)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(repo_name=msg)
                 )
 
             rename = old_data.get('repo_name') != repo_name_full
             create = not edit
             if rename or create:
 
                 if group_path != '':
                     if Repository.get_by_repo_name(repo_name_full):
                         msg = M(self, 'repository_in_group_exists', state,
                                 repo=repo_name, group=group_name)
                         raise formencode.Invalid(msg, value, state,
                             error_dict=dict(repo_name=msg)
                         )
                 elif RepoGroup.get_by_group_name(repo_name_full):
                         msg = M(self, 'same_group_exists', state,
                                 repo=repo_name)
                         raise formencode.Invalid(msg, value, state,
                             error_dict=dict(repo_name=msg)
                         )
 
                 elif Repository.get_by_repo_name(repo_name_full):
                         msg = M(self, 'repository_exists', state,
                                 repo=repo_name)
                         raise formencode.Invalid(msg, value, state,
                             error_dict=dict(repo_name=msg)
                         )
             return value
     return _validator
 
 
 def ValidForkName(*args, **kwargs):
     return ValidRepoName(*args, **kwargs)
 
 
 def SlugifyName():
     class _validator(formencode.validators.FancyValidator):
 
         def _to_python(self, value, state):
             return repo_name_slug(value)
 
         def validate_python(self, value, state):
             pass
 
     return _validator
 
 
 def ValidCloneUri():
     from rhodecode.lib.utils import make_ui
 
     def url_handler(repo_type, url, ui=None):
         if repo_type == 'hg':
             from rhodecode.lib.vcs.backends.hg.repository import MercurialRepository
             from mercurial.httppeer import httppeer
             if url.startswith('http'):
                 ## initially check if it's at least the proper URL
                 ## or does it pass basic auth
                 MercurialRepository._check_url(url)
-                httppeer(make_ui('db'), url)._capabilities()
+                httppeer(ui, url)._capabilities()
             elif url.startswith('svn+http'):
                 from hgsubversion.svnrepo import svnremoterepo
-                svnremoterepo(make_ui('db'), url).capabilities
+                svnremoterepo(ui, url).capabilities
             elif url.startswith('git+http'):
                 raise NotImplementedError()
 
         elif repo_type == 'git':
             from rhodecode.lib.vcs.backends.git.repository import GitRepository
             if url.startswith('http'):
                 ## initially check if it's at least the proper URL
                 ## or does it pass basic auth
                 GitRepository._check_url(url)
             elif url.startswith('svn+http'):
                 raise NotImplementedError()
             elif url.startswith('hg+http'):
                 raise NotImplementedError()
 
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'clone_uri': _(u'invalid clone url'),
             'invalid_clone_uri': _(u'Invalid clone url, provide a '
                                     'valid clone http(s)/svn+http(s) url')
         }
 
         def validate_python(self, value, state):
             repo_type = value.get('repo_type')
             url = value.get('clone_uri')
 
             if not url:
                 pass
             else:
                 try:
-                    url_handler(repo_type, url, make_ui('db'))
+                    url_handler(repo_type, url, make_ui('db', clear_session=False))
                 except Exception:
                     log.exception('Url validation failed')
                     msg = M(self, 'clone_uri')
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(clone_uri=msg)
                     )
     return _validator
 
 
 def ValidForkType(old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_fork_type': _(u'Fork have to be the same type as parent')
         }
 
         def validate_python(self, value, state):
             if old_data['repo_type'] != value:
                 msg = M(self, 'invalid_fork_type', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(repo_type=msg)
                 )
     return _validator
 
 
 def ValidPerms(type_='repo'):
     if type_ == 'group':
         EMPTY_PERM = 'group.none'
     elif type_ == 'repo':
         EMPTY_PERM = 'repository.none'
 
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'perm_new_member_name':
                 _(u'This username or users group name is not valid')
         }
 
         def to_python(self, value, state):
             perms_update = []
             perms_new = []
             # build a list of permission to update and new permission to create
             for k, v in value.items():
                 # means new added member to permissions
                 if k.startswith('perm_new_member'):
                     new_perm = value.get('perm_new_member', False)
                     new_member = value.get('perm_new_member_name', False)
                     new_type = value.get('perm_new_member_type')
 
                     if new_member and new_perm:
                         if (new_member, new_perm, new_type) not in perms_new:
                             perms_new.append((new_member, new_perm, new_type))
                 elif k.startswith('u_perm_') or k.startswith('g_perm_'):
                     member = k[7:]
                     t = {'u': 'user',
                          'g': 'users_group'
                     }[k[0]]
                     if member == 'default':
                         if value.get('private'):
                             # set none for default when updating to
                             # private repo
                             v = EMPTY_PERM
                     perms_update.append((member, v, t))
 
             value['perms_updates'] = perms_update
             value['perms_new'] = perms_new
 
             # update permissions
             for k, v, t in perms_new:
                 try:
                     if t is 'user':
                         self.user_db = User.query()\
                             .filter(User.active == True)\
                             .filter(User.username == k).one()
                     if t is 'users_group':
                         self.user_db = UsersGroup.query()\
                             .filter(UsersGroup.users_group_active == True)\
                             .filter(UsersGroup.users_group_name == k).one()
 
                 except Exception:
                     log.exception('Updated permission failed')
                     msg = M(self, 'perm_new_member_type', state)
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(perm_new_member_name=msg)
                     )
             return value
     return _validator
 
 
 def ValidSettings():
     class _validator(formencode.validators.FancyValidator):
         def _to_python(self, value, state):
             # settings  form can't edit user
             if 'user' in value:
                 del value['user']
             return value
 
         def validate_python(self, value, state):
             pass
     return _validator
 
 
 def ValidPath():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_path': _(u'This is not a valid path')
         }
 
         def validate_python(self, value, state):
             if not os.path.isdir(value):
                 msg = M(self, 'invalid_path', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(paths_root_path=msg)
                 )
     return _validator
 
 
 def UniqSystemEmail(old_data={}):
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'email_taken': _(u'This e-mail address is already taken')
         }
 
         def _to_python(self, value, state):
             return value.lower()
 
         def validate_python(self, value, state):
             if (old_data.get('email') or '').lower() != value:
                 user = User.get_by_email(value, case_insensitive=True)
                 if user:
                     msg = M(self, 'email_taken', state)
                     raise formencode.Invalid(msg, value, state,
                         error_dict=dict(email=msg)
                     )
     return _validator
 
 
 def ValidSystemEmail():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'non_existing_email': _(u'e-mail "%(email)s" does not exist.')
         }
 
         def _to_python(self, value, state):
             return value.lower()
 
         def validate_python(self, value, state):
             user = User.get_by_email(value, case_insensitive=True)
             if user is None:
                 msg = M(self, 'non_existing_email', state, email=value)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(email=msg)
                 )
 
     return _validator
 
 
 def LdapLibValidator():
     class _validator(formencode.validators.FancyValidator):
         messages = {
 
         }
 
         def validate_python(self, value, state):
             try:
                 import ldap
                 ldap  # pyflakes silence !
             except ImportError:
                 raise LdapImportError()
 
     return _validator
 
 
 def AttrLoginValidator():
     class _validator(formencode.validators.FancyValidator):
         messages = {
             'invalid_cn':
                   _(u'The LDAP Login attribute of the CN must be specified - '
                     'this is the name of the attribute that is equivalent '
                     'to "username"')
         }
 
         def validate_python(self, value, state):
             if not value or not isinstance(value, (str, unicode)):
                 msg = M(self, 'invalid_cn', state)
                 raise formencode.Invalid(msg, value, state,
                     error_dict=dict(ldap_attr_login=msg)
                 )
 
     return _validator