invalidation: some documentation and refactoring

rhodecode/lib/utils.py

@@ -1,800 +1,794 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
 import decorator
 import warnings
 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.get(user.user_id)
         elif isinstance(user, basestring):
             user_obj = User.get_by_username(user)
         else:
             raise Exception('You have to provide a user object or a 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.username = user_obj.username
         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('Logging action:%s on %s by user:%s ip:%s' %
                  (action, safe_unicode(repo), user_obj, ipaddr))
         if commit:
             sa.commit()
     except:
         log.error(traceback.format_exc())
         raise
 
 
 def get_repos(path, recursive=False, skip_removed_repos=True):
     """
     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)
     log.debug('now scanning in %s location recursive:%s...' % (path, recursive))
 
     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)
 
             # skip removed repos
             if skip_removed_repos and REMOVED_REPO_PAT.match(dirpath):
                 continue
 
             #skip .<somethin> dirs
             if dirpath.startswith('.'):
                 continue
 
             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)
 
 #alias for backward compat
 get_filesystem_repos = get_repos
 
 
 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, skip_path_check=False):
     """
     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 skip_path_check or 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, 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(safe_str(section), safe_str(k), safe_str(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(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
                                  safe_str(ui_.ui_value))
             if ui_.ui_key == 'push_ssl':
                 # force set push_ssl requirement to False, rhodecode
                 # handles that
                 baseui.setconfig(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
                                  False)
         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 = []
 
-#    # clear cache keys
-#    log.debug("Clearing cache keys now...")
-#    CacheInvalidation.clear_cache()
-#    sa.commit()
-
     ##creation defaults
     defs = RhodeCodeSetting.get_default_repo_settings(strip_prefix=True)
     enable_statistics = defs.get('repo_enable_statistics')
     enable_locking = defs.get('repo_enable_locking')
     enable_downloads = defs.get('repo_enable_downloads')
     private = defs.get('repo_private')
 
     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,
                 enable_locking=enable_locking,
                 enable_downloads=enable_downloads,
                 enable_statistics=enable_statistics,
                 private=private
             )
             # 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)
             new_repo.update_changeset_cache()
         elif install_git_hook:
             if db_repo.repo_type == 'git':
                 ScmModel().install_git_hook(db_repo.scm_instance)
         # during starting install all cache keys for all repositories in the
         # system, this will register all repos and multiple instances
-        key, _prefix, _org_key = CacheInvalidation._get_key(name)
+        cache_key = CacheInvalidation._get_cache_key(name)
+        log.debug("Creating invalidation cache key for %s: %s", name, cache_key)
         CacheInvalidation.invalidate(name)
-        log.debug("Creating a cache key for %s, instance_id %s"
-                  % (name, _prefix or 'unknown'))
 
     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()
     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', []))
 
         # auto check if the module is not missing any data, set to default if is
         # this will help autoupdate new feature of rcext module
         from rhodecode.config import rcextensions
         for k in dir(rcextensions):
             if not k.startswith('_') and not hasattr(EXT, k):
                 setattr(EXT, k, getattr(rcextensions, k))
 
 
 def get_custom_lexer(extension):
     """
     returns a custom lexer if it's defined in rcextensions module, or None
     if there's no custom lexer defined
     """
     import rhodecode
     from pygments import lexers
     #check if we didn't define this extension as other lexer
     if rhodecode.EXTENSIONS and extension in rhodecode.EXTENSIONS.EXTRA_LEXERS:
         _lexer_name = rhodecode.EXTENSIONS.EXTRA_LEXERS[extension]
         return lexers.get_lexer_by_name(_lexer_name)
 
 
 #==============================================================================
 # 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)
 
     def _init_session(self):
         """
         Inits SqlAlchemy Session
         """
         logging.config.fileConfig(self.path_to_ini_file)
         from pylons import config
         from rhodecode.model import init_model
         from rhodecode.lib.utils2 import engine_from_config
 
         #get to remove repos !!
         add_cache(config)
         engine = engine_from_config(config, 'sqlalchemy.db1.')
         init_model(engine)
 
 
 def check_git_version():
     """
     Checks what version of git is installed in system, and issues a warning
     if it's too old for RhodeCode to properly work.
     """
     from rhodecode import BACKENDS
     from rhodecode.lib.vcs.backends.git.repository import GitRepository
     from distutils.version import StrictVersion
 
     stdout, stderr = GitRepository._run_git_command('--version', _bare=True,
                                                     _safe=True)
 
     ver = (stdout.split(' ')[-1] or '').strip() or '0.0.0'
     if len(ver.split('.')) > 3:
         #StrictVersion needs to be only 3 element type
         ver = '.'.join(ver.split('.')[:3])
     try:
         _ver = StrictVersion(ver)
     except:
         _ver = StrictVersion('0.0.0')
         stderr = traceback.format_exc()
 
     req_ver = '1.7.4'
     to_old_git = False
     if  _ver < StrictVersion(req_ver):
         to_old_git = True
 
     if 'git' in BACKENDS:
         log.debug('GIT version detected: %s' % stdout)
         if stderr:
             log.warning('Unable to detect git version, org error was: %r' % stderr)
         elif to_old_git:
             log.warning('RhodeCode detected git version %s, which is too old '
                         'for the system to function properly. Make sure '
                         'its version is at least %s' % (ver, req_ver))
     return _ver
 
 
 @decorator.decorator
 def jsonify(func, *args, **kwargs):
     """Action decorator that formats output for JSON
 
     Given a function that will return content, this decorator will turn
     the result into JSON, with a content-type of 'application/json' and
     output it.
 
     """
     from pylons.decorators.util import get_pylons
     from rhodecode.lib.ext_json import json
     pylons = get_pylons(args)
     pylons.response.headers['Content-Type'] = 'application/json; charset=utf-8'
     data = func(*args, **kwargs)
     if isinstance(data, (list, tuple)):
         msg = "JSON responses with Array envelopes are susceptible to " \
               "cross-site data leak attacks, see " \
               "http://wiki.pylonshq.com/display/pylonsfaq/Warnings"
         warnings.warn(msg, Warning, 2)
         log.warning(msg)
     log.debug("Returning JSON wrapped action output")
     return json.dumps(data, encoding='utf-8')

rhodecode/model/db.py

@@ -1,2052 +1,2039 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.model.db
     ~~~~~~~~~~~~~~~~~~
 
     Database Models for RhodeCode
 
     :created_on: Apr 08, 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 logging
 import datetime
 import traceback
 import hashlib
 import time
 from collections import defaultdict
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from pylons.i18n.translation import lazy_ugettext as _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from rhodecode.lib.vcs.utils.lazy import LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyChangeset
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_changeset_safe, \
     safe_unicode, remove_suffix, remove_prefix, time_to_datetime, _set_extras
 from rhodecode.lib.compat import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classess
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
     @classmethod
     def get_by_name(cls, key):
         return cls.query()\
             .filter(cls.app_settings_name == key).scalar()
 
     @classmethod
     def get_by_name_or_create(cls, key):
         res = cls.get_by_name(key)
         if not res:
             res = cls(key)
         return res
 
     @classmethod
     def get_app_settings(cls, cache=False):
 
         ret = cls.query()
 
         if cache:
             ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
 
         if not ret:
             raise Exception('Could not get application settings !')
         settings = {}
         for each in ret:
             settings['rhodecode_' + each.app_settings_name] = \
                 each.app_settings_value
 
         return settings
 
     @classmethod
     def get_ldap_settings(cls, cache=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('ldap_')).all()
         fd = {}
         for row in ret:
             fd.update({row.app_settings_name: row.app_settings_value})
 
         return fd
 
     @classmethod
     def get_default_repo_settings(cls, cache=False, strip_prefix=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('default_')).all()
         fd = {}
         for row in ret:
             key = row.app_settings_name
             if strip_prefix:
                 key = remove_prefix(key, prefix='default_')
             fd.update({key: row.app_settings_value})
 
         return fd
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_UPDATE = 'changegroup.update'
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.ui_key == key).scalar()
 
     @classmethod
     def get_builtin_hooks(cls):
         q = cls.query()
         q = q.filter(cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE,
                                      cls.HOOK_PUSH, cls.HOOK_PRE_PUSH,
                                      cls.HOOK_PULL, cls.HOOK_PRE_PULL]))
         return q.all()
 
     @classmethod
     def get_custom_hooks(cls):
         q = cls.query()
         q = q.filter(~cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE,
                                       cls.HOOK_PUSH, cls.HOOK_PRE_PUSH,
                                       cls.HOOK_PULL, cls.HOOK_PRE_PULL]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
 
     @classmethod
     def get_repos_location(cls):
         return cls.get_by_key('/').ui_value
 
     @classmethod
     def create_or_update_hook(cls, key, val):
         new_ui = cls.get_by_key(key) or cls()
         new_ui.ui_section = 'hooks'
         new_ui.ui_active = True
         new_ui.ui_key = key
         new_ui.ui_value = val
 
         Session().add(new_ui)
 
     def __repr__(self):
         return '<DB:%s[%s:%s]>' % (self.__class__.__name__, self.ui_key,
                                    self.ui_value)
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
     DEFAULT_PERMISSIONS = [
         'hg.register.manual_activate', 'hg.create.repository',
         'hg.fork.repository', 'repository.read', 'group.read'
     ]
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     password = Column("password", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     _email = Column("email", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     #extra emails for this user
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def emails(self):
         other = UserEmailMap.query().filter(UserEmailMap.user==self).all()
         return [self.email] + [x.email for x in other]
 
     @property
     def ip_addresses(self):
         ret = UserIpMap.query().filter(UserIpMap.user == self).all()
         return [x.ip_addr for x in ret]
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_name_or_username(self):
         return ('%s %s' % (self.firstname, self.lastname)
                 if (self.firstname and self.lastname) else self.username)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @property
     def AuthUser(self):
         """
         Returns instance of AuthUser for this user
         """
         from rhodecode.lib.auth import AuthUser
         return AuthUser(user_id=self.user_id, api_key=self.api_key,
                         username=self.username)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                      self.user_id, self.username)
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_api_key(cls, api_key, cache=False):
         q = cls.query().filter(cls.api_key == api_key)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_api_key_%s" % api_key))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_from_cs_author(cls, author):
         """
         Tries to get User objects out of commit author string
 
         :param author:
         """
         from rhodecode.lib.helpers import email, author_name
         # Valid email in the attribute passed, see if they're in the system
         _email = email(author)
         if _email:
             user = cls.get_by_email(_email, case_insensitive=True)
             if user:
                 return user
         # Maybe we can match by username?
         _author = author_name(author)
         user = cls.get_by_username(_author, case_insensitive=True)
         if user:
             return user
 
     def update_lastlogin(self):
         """Update user lastlogin"""
         self.last_login = datetime.datetime.now()
         Session().add(self)
         log.debug('updated user %s lastlogin' % self.username)
 
     def get_api_data(self):
         """
         Common function for generating user related data for API
         """
         user = self
         data = dict(
             user_id=user.user_id,
             username=user.username,
             firstname=user.name,
             lastname=user.lastname,
             email=user.email,
             emails=user.emails,
             api_key=user.api_key,
             active=user.active,
             admin=user.admin,
             ldap_dn=user.ldap_dn,
             last_login=user.last_login,
             ip_addresses=user.ip_addresses
         )
         return data
 
     def __json__(self):
         data = dict(
             full_name=self.full_name,
             full_name_or_username=self.full_name_or_username,
             short_contact=self.short_contact,
             full_contact=self.full_contact
         )
         data.update(self.get_api_data())
         return data
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
     @classmethod
     def _get_ip_range(cls, ip_addr):
         from rhodecode.lib import ipaddr
         net = ipaddr.IPNetwork(address=ip_addr)
         return [str(net.network), str(net.broadcast)]
 
     def __json__(self):
         return dict(
           ip_addr=self.ip_addr,
           ip_range=self._get_ip_range(self.ip_addr)
         )
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     action = Column("action", UnicodeText(1200000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     @property
     def action_as_day(self):
         return datetime.date(*self.action_date.timetuple()[:3])
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
     def __unicode__(self):
         return u'<userGroup(%s)>' % (self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         users_group = cls.query()
         if cache:
             users_group = users_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return users_group.get(users_group_id)
 
     def get_api_data(self):
         users_group = self
 
         data = dict(
             users_group_id=users_group.users_group_id,
             group_name=users_group.users_group_name,
             active=users_group.users_group_active,
         )
 
         return data
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250, convert_unicode=False, assert_unicode=None))
     field_label = Column("field_label", String(1024, convert_unicode=False, assert_unicode=None), nullable=False)
     field_value = Column("field_value", String(10000, convert_unicode=False, assert_unicode=None), nullable=False)
     field_desc = Column("field_desc", String(1024, convert_unicode=False, assert_unicode=None), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @property
     def field_key_prefixed(self):
         return 'ex_%s' % self.field_key
 
     @classmethod
     def un_prefix_key(cls, key):
         if key.startswith(cls.PREFIX):
             return key[len(cls.PREFIX):]
         return key
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    self.repo_name)
 
     @hybrid_property
     def locked(self):
         # always should return [user_id, timelocked]
         if self._locked:
             _lock_info = self._locked.split(':')
             return int(_lock_info[0]), _lock_info[1]
         return [None, None]
 
     @locked.setter
     def locked(self, val):
         if val and isinstance(val, (list, tuple)):
             self._locked = ':'.join(map(str, val))
         else:
             self._locked = None
 
     @hybrid_property
     def changeset_cache(self):
         from rhodecode.lib.vcs.backends.base import EmptyChangeset
         dummy = EmptyChangeset().__json__()
         if not self._changeset_cache:
             return dummy
         try:
             return json.loads(self._changeset_cache)
         except TypeError:
             return dummy
 
     @changeset_cache.setter
     def changeset_cache(self, val):
         try:
             self._changeset_cache = json.dumps(val)
         except:
             log.error(traceback.format_exc())
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def normalize_repo_name(cls, repo_name):
         """
         Normalizes os specific repo_name to the format internally stored inside
         dabatabase using URL_SEP
 
         :param cls:
         :param repo_name:
         """
         return cls.url_sep().join(repo_name.split(os.sep))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
                 .options(joinedload(Repository.user))\
                 .options(joinedload(Repository.group))
         return q.scalar()
 
     @classmethod
     def get_by_full_path(cls, repo_full_path):
         repo_name = repo_full_path.split(cls.base_path(), 1)[-1]
         repo_name = cls.normalize_repo_name(repo_name)
         return cls.get_by_repo_name(repo_name.strip(URL_SEP))
 
     @classmethod
     def get_repo_forks(cls, repo_id):
         return cls.query().filter(Repository.fork_id == repo_id)
 
     @classmethod
     def base_path(cls):
         """
         Returns base path when all repos are stored
 
         :param cls:
         """
         q = Session().query(RhodeCodeUi)\
             .filter(RhodeCodeUi.ui_key == cls.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def forks(self):
         """
         Return forks of this repo
         """
         return Repository.get_repo_forks(self.repo_id)
 
     @property
     def parent(self):
         """
         Returns fork parent
         """
         return self.fork
 
     @property
     def just_name(self):
         return self.repo_name.split(Repository.url_sep())[-1]
 
     @property
     def groups_with_parents(self):
         groups = []
         if self.group is None:
             return groups
 
         cur_gr = self.group
         groups.insert(0, cur_gr)
         while 1:
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             groups.insert(0, gr)
 
         return groups
 
     @property
     def groups_and_repo(self):
         return self.groups_with_parents, self.just_name, self.repo_name
 
     @LazyProperty
     def repo_path(self):
         """
         Returns base full path for that repository means where it actually
         exists on a filesystem
         """
         q = Session().query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==
                                               Repository.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def repo_full_path(self):
         p = [self.repo_path]
         # we need to split the name by / since this is how we store the
         # names in the database, but that eventually needs to be converted
         # into a valid system path
         p += self.repo_name.split(Repository.url_sep())
         return os.path.join(*p)
 
     @property
     def cache_keys(self):
         """
         Returns associated cache keys for that repo
         """
         return CacheInvalidation.query()\
             .filter(CacheInvalidation.cache_args == self.repo_name)\
             .order_by(CacheInvalidation.cache_key)\
             .all()
 
     def get_new_name(self, repo_name):
         """
         returns new full repository name based on assigned group and new new
 
         :param group_name:
         """
         path_prefix = self.group.full_path_splitted if self.group else []
         return Repository.url_sep().join(path_prefix + [repo_name])
 
     @property
     def _ui(self):
         """
         Creates an db based ui object for this repository
         """
         from rhodecode.lib.utils import make_ui
         return make_ui('db', clear_session=False)
 
     @classmethod
     def is_valid(cls, repo_name):
         """
         returns True if given repo name is a valid filesystem repository
 
         :param cls:
         :param repo_name:
         """
         from rhodecode.lib.utils import is_valid_repo
 
         return is_valid_repo(repo_name, cls.base_path())
 
     def get_api_data(self):
         """
         Common function for generating repo api data
 
         """
         repo = self
         data = dict(
             repo_id=repo.repo_id,
             repo_name=repo.repo_name,
             repo_type=repo.repo_type,
             clone_uri=repo.clone_uri,
             private=repo.private,
             created_on=repo.created_on,
             description=repo.description,
             landing_rev=repo.landing_rev,
             owner=repo.user.username,
             fork_of=repo.fork.repo_name if repo.fork else None,
             enable_statistics=repo.enable_statistics,
             enable_locking=repo.enable_locking,
             enable_downloads=repo.enable_downloads,
             last_changeset=repo.changeset_cache,
             locked_by=User.get(self.locked[0]).get_api_data() \
                 if self.locked[0] else None,
             locked_date=time_to_datetime(self.locked[1]) \
                 if self.locked[1] else None
         )
         rc_config = RhodeCodeSetting.get_app_settings()
         repository_fields = str2bool(rc_config.get('rhodecode_repository_fields'))
         if repository_fields:
             for f in self.extra_fields:
                 data[f.field_key_prefixed] = f.field_value
 
         return data
 
     @classmethod
     def lock(cls, repo, user_id):
         repo.locked = [user_id, time.time()]
         Session().add(repo)
         Session().commit()
 
     @classmethod
     def unlock(cls, repo):
         repo.locked = None
         Session().add(repo)
         Session().commit()
 
     @classmethod
     def getlock(cls, repo):
         return repo.locked
 
     @property
     def last_db_change(self):
         return self.updated_on
 
     def clone_url(self, **override):
         from pylons import url
         from urlparse import urlparse
         import urllib
         parsed_url = urlparse(url('home', qualified=True))
         default_clone_uri = '%(scheme)s://%(user)s%(pass)s%(netloc)s%(prefix)s%(path)s'
         decoded_path = safe_unicode(urllib.unquote(parsed_url.path))
         args = {
            'user': '',
            'pass': '',
            'scheme': parsed_url.scheme,
            'netloc': parsed_url.netloc,
            'prefix': decoded_path,
            'path': self.repo_name
         }
 
         args.update(override)
         return default_clone_uri % args
 
     #==========================================================================
     # SCM PROPERTIES
     #==========================================================================
 
     def get_changeset(self, rev=None):
         return get_changeset_safe(self.scm_instance, rev)
 
     def get_landing_changeset(self):
         """
         Returns landing changeset, or if that doesn't exist returns the tip
         """
         cs = self.get_changeset(self.landing_rev) or self.get_changeset()
         return cs
 
     def update_changeset_cache(self, cs_cache=None):
         """
         Update cache of last changeset for repository, keys should be::
 
             short_id
             raw_id
             revision
             message
             date
             author
 
         :param cs_cache:
         """
         from rhodecode.lib.vcs.backends.base import BaseChangeset
         if cs_cache is None:
             cs_cache = EmptyChangeset()
             # use no-cache version here
             scm_repo = self.scm_instance_no_cache()
             if scm_repo:
                 cs_cache = scm_repo.get_changeset()
 
         if isinstance(cs_cache, BaseChangeset):
             cs_cache = cs_cache.__json__()
 
         if (cs_cache != self.changeset_cache or not self.changeset_cache):
             _default = datetime.datetime.fromtimestamp(0)
             last_change = cs_cache.get('date') or _default
             log.debug('updated repo %s with new cs cache %s' % (self, cs_cache))
             self.updated_on = last_change
             self.changeset_cache = cs_cache
             Session().add(self)
             Session().commit()
         else:
             log.debug('Skipping repo:%s already with latest changes' % self)
 
     @property
     def tip(self):
         return self.get_changeset('tip')
 
     @property
     def author(self):
         return self.tip.author
 
     @property
     def last_change(self):
         return self.scm_instance.last_change
 
     def get_comments(self, revisions=None):
         """
         Returns comments for this repository grouped by revisions
 
         :param revisions: filter query by revisions only
         """
         cmts = ChangesetComment.query()\
             .filter(ChangesetComment.repo == self)
         if revisions:
             cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
         grouped = defaultdict(list)
         for cmt in cmts.all():
             grouped[cmt.revision].append(cmt)
         return grouped
 
     def statuses(self, revisions=None):
         """
         Returns statuses for this repository
 
         :param revisions: list of revisions to get statuses for
         :type revisions: list
         """
 
         statuses = ChangesetStatus.query()\
             .filter(ChangesetStatus.repo == self)\
             .filter(ChangesetStatus.version == 0)
         if revisions:
             statuses = statuses.filter(ChangesetStatus.revision.in_(revisions))
         grouped = {}
 
         #maybe we have open new pullrequest without a status ?
         stat = ChangesetStatus.STATUS_UNDER_REVIEW
         status_lbl = ChangesetStatus.get_status_lbl(stat)
         for pr in PullRequest.query().filter(PullRequest.org_repo == self).all():
             for rev in pr.revisions:
                 pr_id = pr.pull_request_id
                 pr_repo = pr.other_repo.repo_name
                 grouped[rev] = [stat, status_lbl, pr_id, pr_repo]
 
         for stat in statuses.all():
             pr_id = pr_repo = None
             if stat.pull_request:
                 pr_id = stat.pull_request.pull_request_id
                 pr_repo = stat.pull_request.other_repo.repo_name
             grouped[stat.revision] = [str(stat.status), stat.status_lbl,
                                       pr_id, pr_repo]
         return grouped
 
     def _repo_size(self):
         from rhodecode.lib import helpers as h
         log.debug('calculating repository size...')
         return h.format_byte_size(self.scm_instance.size)
 
     #==========================================================================
     # SCM CACHE INSTANCE
     #==========================================================================
 
     @property
     def invalidate(self):
         return CacheInvalidation.invalidate(self.repo_name)
 
     def set_invalidate(self):
         """
         set a cache for invalidation for this instance
         """
         CacheInvalidation.set_invalidate(repo_name=self.repo_name)
 
     def scm_instance_no_cache(self):
         return self.__get_instance()
 
     @LazyProperty
     def scm_instance(self):
         import rhodecode
         full_cache = str2bool(rhodecode.CONFIG.get('vcs_full_cache'))
         if full_cache:
             return self.scm_instance_cached()
         return self.__get_instance()
 
     def scm_instance_cached(self, cache_map=None):
         @cache_region('long_term')
         def _c(repo_name):
             return self.__get_instance()
         rn = self.repo_name
         log.debug('Getting cached instance of repo')
 
         if cache_map:
             # get using prefilled cache_map
             invalidate_repo = cache_map[self.repo_name]
             if invalidate_repo:
                 invalidate_repo = (None if invalidate_repo.cache_active
                                    else invalidate_repo)
         else:
             # get from invalidate
             invalidate_repo = self.invalidate
 
         if invalidate_repo is not None:
             region_invalidate(_c, None, rn)
             # update our cache
             CacheInvalidation.set_valid(invalidate_repo.cache_key)
         return _c(rn)
 
     def __get_instance(self):
         repo_full_path = self.repo_full_path
         try:
             alias = get_scm(repo_full_path)[0]
             log.debug('Creating instance of %s repository from %s'
                       % (alias, repo_full_path))
             backend = get_backend(alias)
         except VCSError:
             log.error(traceback.format_exc())
             log.error('Perhaps this repository is in db and not in '
                       'filesystem run rescan repositories with '
                       '"destroy old data " option from admin panel')
             return
 
         if alias == 'hg':
 
             repo = backend(safe_str(repo_full_path), create=False,
                            baseui=self._ui)
             # skip hidden web repository
             if repo._get_hidden():
                 return
         else:
             repo = backend(repo_full_path, create=False)
 
         return repo
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
         CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
 
     parent_group = relationship('RepoGroup', remote_side=group_id)
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,
                                   self.group_name)
 
     @classmethod
     def groups_choices(cls, groups=None, show_empty_group=True):
         from webhelpers.html import literal as _literal
         if not groups:
             groups = cls.query().all()
 
         repo_groups = []
         if show_empty_group:
             repo_groups = [('-1', '-- %s --' % _('top level'))]
         sep = ' &raquo; '
         _name = lambda k: _literal(sep.join(k))
 
         repo_groups.extend([(x.group_id, _name(x.full_path_splitted))
                               for x in groups])
 
         repo_groups = sorted(repo_groups, key=lambda t: t[1].split(sep)[0])
         return repo_groups
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
     @property
     def parents(self):
         parents_recursion_limit = 5
         groups = []
         if self.parent_group is None:
             return groups
         cur_gr = self.parent_group
         groups.insert(0, cur_gr)
         cnt = 0
         while 1:
             cnt += 1
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             if cnt == parents_recursion_limit:
                 # this will prevent accidental infinit loops
                 log.error('group nested more than %s' %
                           parents_recursion_limit)
                 break
 
             groups.insert(0, gr)
         return groups
 
     @property
     def children(self):
         return RepoGroup.query().filter(RepoGroup.parent_group == self)
 
     @property
     def name(self):
         return self.group_name.split(RepoGroup.url_sep())[-1]
 
     @property
     def full_path(self):
         return self.group_name
 
     @property
     def full_path_splitted(self):
         return self.group_name.split(RepoGroup.url_sep())
 
     @property
     def repositories(self):
         return Repository.query()\
                 .filter(Repository.group == self)\
                 .order_by(Repository.repo_name)
 
     @property
     def repositories_recursive_count(self):
         cnt = self.repositories.count()
 
         def children_count(group):
             cnt = 0
             for child in group.children:
                 cnt += child.repositories.count()
                 cnt += children_count(child)
             return cnt
 
         return cnt + children_count(self)
 
     def _recursive_objects(self, include_repos=True):
         all_ = []
 
         def _get_members(root_gr):
             if include_repos:
                 for r in root_gr.repositories:
                     all_.append(r)
             childs = root_gr.children.all()
             if childs:
                 for gr in childs:
                     all_.append(gr)
                     _get_members(gr)
 
         _get_members(self)
         return [self] + all_
 
     def recursive_groups_and_repos(self):
         """
         Recursive return all groups, with repositories in those groups
         """
         return self._recursive_objects()
 
     def recursive_groups(self):
         """
         Returns all children groups for this group including children of children
         """
         return self._recursive_objects(include_repos=False)
 
     def get_new_name(self, group_name):
         """
         returns new full group name based on parent and new name
 
         :param group_name:
         """
         path_prefix = (self.parent_group.full_path_splitted if
                        self.parent_group else [])
         return RepoGroup.url_sep().join(path_prefix + [group_name])
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('hg.admin', _('RhodeCode Administrator')),
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
         ('hg.register.none', _('Register disabled')),
         ('hg.register.manual_activate', _('Register new user with RhodeCode '
                                           'with manual activation')),
 
         ('hg.register.auto_activate', _('Register new user with RhodeCode '
                                         'with auto activation')),
     ]
 
     # defines which permissions are more important higher the more important
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository':1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
     @classmethod
     def get_default_perms(cls, default_user_id):
         q = Session().query(UserRepoToPerm, Repository, cls)\
          .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id))\
          .join((cls, UserRepoToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoToPerm.user_id == default_user_id)
 
         return q.all()
 
     @classmethod
     def get_default_group_perms(cls, default_user_id):
         q = Session().query(UserRepoGroupToPerm, RepoGroup, cls)\
          .join((RepoGroup, UserRepoGroupToPerm.group_id == RepoGroup.group_id))\
          .join((cls, UserRepoGroupToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoGroupToPerm.user_id == default_user_id)
 
         return q.all()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     @classmethod
     def create(cls, user, repository, permission):
         n = cls()
         n.user = user
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
         return u'<user:%s => %s >' % (self.user, self.repository)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     @classmethod
     def create(cls, users_group, repository, permission):
         n = cls()
         n.users_group = users_group
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
         return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
     @classmethod
     def get_repo_followers(cls, repo_id):
         return cls.query().filter(cls.follows_repo_id == repo_id)
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
+    # cache_id, not used
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    # cache_key as created by _get_cache_key
     cache_key = Column("cache_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    # cache_args is usually a repo_name, possibly with _README/_RSS/_ATOM suffix
     cache_args = Column("cache_args", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
+    # instance sets cache_active True when it is caching, other instances set cache_active to False to invalidate
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, cache_args=''):
         self.cache_key = cache_key
         self.cache_args = cache_args
         self.cache_active = False
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__,
                                   self.cache_id, self.cache_key)
 
-    @property
-    def prefix(self):
+    def get_prefix(self):
+        """
+        Guess prefix that might have been used in _get_cache_key to generate self.cache_key .
+        Only used for informational purposes in repo_edit.html .
+        """
         _split = self.cache_key.split(self.cache_args, 1)
-        if _split and len(_split) == 2:
+        if len(_split) == 2:
             return _split[0]
         return ''
 
     @classmethod
-    def clear_cache(cls):
-        cls.query().delete()
-
-    @classmethod
-    def _get_key(cls, key):
+    def _get_cache_key(cls, key):
         """
-        Wrapper for generating a key, together with a prefix
-
-        :param key:
+        Wrapper for generating a unique cache key for this instance and "key".
         """
         import rhodecode
-        prefix = ''
-        org_key = key
-        iid = rhodecode.CONFIG.get('instance_id')
-        if iid:
-            prefix = iid
-
-        return "%s%s" % (prefix, key), prefix, org_key
+        prefix = rhodecode.CONFIG.get('instance_id', '')
+        return "%s%s" % (prefix, key)
 
     @classmethod
-    def get_by_key(cls, key):
-        return cls.query().filter(cls.cache_key == key).scalar()
-
-    @classmethod
-    def get_by_repo_name(cls, repo_name):
-        return cls.query().filter(cls.cache_args == repo_name).all()
-
-    @classmethod
-    def _get_or_create_key(cls, key, repo_name, commit=True):
+    def _get_or_create_inv_obj(cls, key, repo_name, commit=True):
         inv_obj = Session().query(cls).filter(cls.cache_key == key).scalar()
         if not inv_obj:
             try:
                 inv_obj = CacheInvalidation(key, repo_name)
                 Session().add(inv_obj)
                 if commit:
                     Session().commit()
             except Exception:
                 log.error(traceback.format_exc())
                 Session().rollback()
         return inv_obj
 
     @classmethod
     def invalidate(cls, key):
         """
         Returns Invalidation object if this given key should be invalidated
         None otherwise. `cache_active = False` means that this cache
         state is not valid and needs to be invalidated
 
         :param key:
         """
         repo_name = key
         repo_name = remove_suffix(repo_name, '_README')
         repo_name = remove_suffix(repo_name, '_RSS')
         repo_name = remove_suffix(repo_name, '_ATOM')
 
-        # adds instance prefix
-        key, _prefix, _org_key = cls._get_key(key)
-        inv = cls._get_or_create_key(key, repo_name)
+        cache_key = cls._get_cache_key(key)
+        inv = cls._get_or_create_inv_obj(cache_key, repo_name)
 
         if inv and inv.cache_active is False:
             return inv
 
     @classmethod
     def set_invalidate(cls, key=None, repo_name=None):
         """
         Mark this Cache key for invalidation, either by key or whole
         cache sets based on repo_name
 
         :param key:
         """
         invalidated_keys = []
         if key:
-            key, _prefix, _org_key = cls._get_key(key)
-            inv_objs = Session().query(cls).filter(cls.cache_key == key).all()
-        elif repo_name:
+            assert not repo_name
+            cache_key = cls._get_cache_key(key)
+            inv_objs = Session().query(cls).filter(cls.cache_key == cache_key).all()
+        else:
+            assert repo_name
             inv_objs = Session().query(cls).filter(cls.cache_args == repo_name).all()
 
         try:
             for inv_obj in inv_objs:
                 inv_obj.cache_active = False
                 log.debug('marking %s key for invalidation based on key=%s,repo_name=%s'
                   % (inv_obj, key, safe_str(repo_name)))
                 invalidated_keys.append(inv_obj.cache_key)
                 Session().add(inv_obj)
             Session().commit()
         except Exception:
             log.error(traceback.format_exc())
             Session().rollback()
         return invalidated_keys
 
     @classmethod
     def set_valid(cls, key):
         """
         Mark this cache key as active and currently cached
 
         :param key:
         """
-        inv_obj = cls.get_by_key(key)
+        inv_obj = cls.query().filter(cls.cache_key == key).scalar()
         inv_obj.cache_active = True
         Session().add(inv_obj)
         Session().commit()
 
     @classmethod
     def get_cache_map(cls):
 
         class cachemapdict(dict):
 
             def __init__(self, *args, **kwargs):
-                fixkey = kwargs.get('fixkey')
-                if fixkey:
-                    del kwargs['fixkey']
-                self.fixkey = fixkey
+                self.fixkey = kwargs.pop('fixkey', False)
                 super(cachemapdict, self).__init__(*args, **kwargs)
 
             def __getattr__(self, name):
-                key = name
+                cache_key = name
                 if self.fixkey:
-                    key, _prefix, _org_key = cls._get_key(key)
-                if key in self.__dict__:
-                    return self.__dict__[key]
+                    cache_key = cls._get_cache_key(name)
+                if cache_key in self.__dict__:
+                    return self.__dict__[cache_key]
                 else:
-                    return self[key]
+                    return self[cache_key]
 
-            def __getitem__(self, key):
+            def __getitem__(self, name):
+                cache_key = name
                 if self.fixkey:
-                    key, _prefix, _org_key = cls._get_key(key)
+                    cache_key = cls._get_cache_key(name)
                 try:
-                    return super(cachemapdict, self).__getitem__(key)
+                    return super(cachemapdict, self).__getitem__(cache_key)
                 except KeyError:
-                    return
+                    return None
 
         cache_map = cachemapdict(fixkey=True)
         for obj in cls.query().all():
             cache_map[obj.cache_key] = cachemapdict(obj.get_dict())
         return cache_map
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText(25000), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.status, self.author
         )
 
     @classmethod
     def get_status_lbl(cls, value):
         return dict(cls.STATUSES).get(value)
 
     @property
     def status_lbl(self):
         return ChangesetStatus.get_status_lbl(self.status)
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText(10240), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText(20500))  # 500 revisions max
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     @hybrid_property
     def revisions(self):
         return self._revisions.split(':')
 
     @revisions.setter
     def revisions(self, val):
         self._revisions = ':'.join(val)
 
     @property
     def org_ref_parts(self):
         return self.org_ref.split(':')
 
     @property
     def other_ref_parts(self):
         return self.other_ref.split(':')
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
     def is_closed(self):
         return self.status == self.STATUS_CLOSED
 
     @property
     def last_review_status(self):
         return self.statuses[-1].status if self.statuses else ''
 
     def __json__(self):
         return dict(
           revisions=self.revisions
         )
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText(50000), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
     @property
     def recipients(self):
         return [x.user for x in UserNotification.query()\
                 .filter(UserNotification.notification == self)\
                 .order_by(UserNotification.user_id.asc()).all()]
 
     @classmethod
     def create(cls, created_by, subject, body, recipients, type_=None):
         if type_ is None:
             type_ = Notification.TYPE_MESSAGE
 
         notification = cls()
         notification.created_by_user = created_by
         notification.subject = subject
         notification.body = body
         notification.type_ = type_
         notification.created_on = datetime.datetime.now()
 
         for u in recipients:
             assoc = UserNotification()
             assoc.notification = notification
             u.notifications.append(assoc)
         Session().add(notification)
         return notification
 
     @property
     def description(self):
         from rhodecode.model.notification import NotificationModel
         return NotificationModel().make_description(self)
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
     def mark_as_read(self):
         self.read = True
         Session().add(self)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/templates/admin/repos/repo_edit.html

@@ -1,378 +1,378 b''
 ## -*- coding: utf-8 -*-
 ##
 ## See also repo_settings.html
 ##
 <%inherit file="/base/base.html"/>
 
 <%def name="title()">
     ${_('Edit repository')} ${c.repo_info.repo_name} &middot; ${c.rhodecode_name}
 </%def>
 
 <%def name="breadcrumbs_links()">
     ${_('Settings')}
 </%def>
 
 <%def name="page_nav()">
     ${self.menu('admin')}
 </%def>
 
 <%def name="main()">
 ${self.context_bar('options')}
 <div class="box box-left">
     <!-- box / title -->
     <div class="title">
         ${self.breadcrumbs()}
     </div>
     ${h.form(url('repo', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
         <!-- fields -->
         <div class="fields">
             <div class="field">
                 <div class="label">
                     <label for="repo_name">${_('Name')}:</label>
                 </div>
                 <div class="input">
                     ${h.text('repo_name',class_="medium")}
                 </div>
            </div>
            <div class="field">
                <div class="label">
                    <label for="clone_uri">${_('Clone uri')}:</label>
                </div>
                <div class="input">
                    ${h.text('clone_uri',class_="medium")}
                  <span class="help-block">${_('Optional http[s] url from which repository should be cloned.')}</span>
                </div>
             </div>
             <div class="field">
                 <div class="label">
                     <label for="repo_group">${_('Repository group')}:</label>
                 </div>
                 <div class="input">
                     ${h.select('repo_group','',c.repo_groups,class_="medium")}
                     <span class="help-block">${_('Optional select a group to put this repository into.')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label">
                     <label for="repo_type">${_('Type')}:</label>
                 </div>
                 <div class="input">
                     ${h.select('repo_type','hg',c.backends,class_="medium")}
                 </div>
             </div>
             <div class="field">
                 <div class="label">
                     <label for="repo_landing_rev">${_('Landing revision')}:</label>
                 </div>
                 <div class="input">
                     ${h.select('repo_landing_rev','',c.landing_revs,class_="medium")}
                     <span class="help-block">${_('Default revision for files page, downloads, whoosh and readme')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label label-textarea">
                     <label for="repo_description">${_('Description')}:</label>
                 </div>
                 <div class="textarea text-area editor">
                     ${h.textarea('repo_description')}
                     <span class="help-block">${_('Keep it short and to the point. Use a README file for longer descriptions.')}</span>
                 </div>
             </div>
 
             <div class="field">
                 <div class="label label-checkbox">
                     <label for="repo_private">${_('Private repository')}:</label>
                 </div>
                 <div class="checkboxes">
                     ${h.checkbox('repo_private',value="True")}
                     <span class="help-block">${_('Private repositories are only visible to people explicitly added as collaborators.')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label label-checkbox">
                     <label for="repo_enable_statistics">${_('Enable statistics')}:</label>
                 </div>
                 <div class="checkboxes">
                     ${h.checkbox('repo_enable_statistics',value="True")}
                     <span class="help-block">${_('Enable statistics window on summary page.')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label label-checkbox">
                     <label for="repo_enable_downloads">${_('Enable downloads')}:</label>
                 </div>
                 <div class="checkboxes">
                     ${h.checkbox('repo_enable_downloads',value="True")}
                     <span class="help-block">${_('Enable download menu on summary page.')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label label-checkbox">
                     <label for="repo_enable_locking">${_('Enable locking')}:</label>
                 </div>
                 <div class="checkboxes">
                     ${h.checkbox('repo_enable_locking',value="True")}
                     <span class="help-block">${_('Enable lock-by-pulling on repository.')}</span>
                 </div>
             </div>
             <div class="field">
                 <div class="label">
                     <label for="user">${_('Owner')}:</label>
                 </div>
                 <div class="input input-medium ac">
                     <div class="perm_ac">
                        ${h.text('user',class_='yui-ac-input')}
                        <span class="help-block">${_('Change owner of this repository.')}</span>
                        <div id="owner_container"></div>
                     </div>
                 </div>
              </div>
             %if c.visual.repository_fields:
               ## EXTRA FIELDS
               %for field in c.repo_fields:
                 <div class="field">
                     <div class="label">
                         <label for="${field.field_key_prefixed}">${field.field_label} (${field.field_key}):</label>
                     </div>
                     <div class="input input-medium">
                         ${h.text(field.field_key_prefixed, field.field_value, class_='medium')}
                         %if field.field_desc:
                           <span class="help-block">${field.field_desc}</span>
                         %endif
                     </div>
                  </div>
               %endfor
             %endif
             <div class="field">
                 <div class="label">
                     <label for="input">${_('Permissions')}:</label>
                 </div>
                 <div class="input">
                     <%include file="repo_edit_perms.html"/>
                 </div>
             </div>
 
             <div class="buttons">
               ${h.submit('save',_('Save'),class_="ui-btn large")}
               ${h.reset('reset',_('Reset'),class_="ui-btn large")}
             </div>
         </div>
     </div>
     ${h.end_form()}
 </div>
 
 <div class="box box-right">
     <div class="title">
         <h5>${_('Advanced settings')}</h5>
     </div>
 
     <h3>${_('Statistics')}</h3>
     ${h.form(url('repo_stats', repo_name=c.repo_info.repo_name),method='delete')}
     <div class="form">
        <div class="fields">
            ${h.submit('reset_stats_%s' % c.repo_info.repo_name,_('Reset current statistics'),class_="ui-btn",onclick="return confirm('"+_('Confirm to remove current statistics')+"');")}
            <div class="field" style="border:none;color:#888">
            <ul>
                 <li>${_('Fetched to rev')}: ${c.stats_revision}/${c.repo_last_rev}</li>
                 <li>${_('Stats gathered')}: ${c.stats_percentage}%</li>
            </ul>
            </div>
        </div>
     </div>
     ${h.end_form()}
 
     %if c.repo_info.clone_uri:
     <h3>${_('Remote')}</h3>
     ${h.form(url('repo_pull', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
        <div class="fields">
            ${h.submit('remote_pull_%s' % c.repo_info.repo_name,_('Pull changes from remote location'),class_="ui-btn",onclick="return confirm('"+_('Confirm to pull changes from remote side')+"');")}
            <div class="field" style="border:none">
            <ul>
                 <li><a href="${c.repo_info.clone_uri}">${c.repo_info.clone_uri}</a></li>
            </ul>
            </div>
        </div>
     </div>
     ${h.end_form()}
     %endif
 
     <h3>${_('Cache')}</h3>
     ${h.form(url('repo_cache', repo_name=c.repo_info.repo_name),method='delete')}
     <div class="form">
        <div class="fields">
            ${h.submit('reset_cache_%s' % c.repo_info.repo_name,_('Invalidate repository cache'),class_="ui-btn",onclick="return confirm('"+_('Confirm to invalidate repository cache')+"');")}
           <div class="field" style="border:none;color:#888">
           <ul>
               <li>${_('Manually invalidate cache for this repository. On first access repository will be cached again')}
               </li>
           </ul>
           </div>
           <div class="field" style="border:none;">
             ${_('List of cached values')}
                <table>
                <tr>
                 <th>${_('Prefix')}</th>
                 <th>${_('Key')}</th>
                 <th>${_('Active')}</th>
                 </tr>
               %for cache in c.repo_info.cache_keys:
                   <tr>
-                    <td>${cache.prefix or '-'}</td>
+                    <td>${cache.get_prefix() or '-'}</td>
                     <td>${cache.cache_key}</td>
                     <td>${h.bool2icon(cache.cache_active)}</td>
                   </tr>
               %endfor
               </table>
           </div>
        </div>
     </div>
     ${h.end_form()}
 
     <h3>${_('Public journal')}</h3>
     ${h.form(url('repo_public_journal', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
       ${h.hidden('auth_token',str(h.get_token()))}
       <div class="field">
       %if c.in_public_journal:
         ${h.submit('set_public_%s' % c.repo_info.repo_name,_('Remove from public journal'),class_="ui-btn")}
       %else:
         ${h.submit('set_public_%s' % c.repo_info.repo_name,_('Add to public journal'),class_="ui-btn")}
       %endif
       </div>
      <div class="field" style="border:none;color:#888">
      <ul>
           <li>${_('All actions made on this repository will be accessible to everyone in public journal')}
           </li>
      </ul>
      </div>
     </div>
     ${h.end_form()}
 
     <h3>${_('Locking')}</h3>
     ${h.form(url('repo_locking', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
        <div class="fields">
           %if c.repo_info.locked[0]:
            ${h.submit('set_unlock' ,_('Unlock locked repo'),class_="ui-btn",onclick="return confirm('"+_('Confirm to unlock repository')+"');")}
            ${'Locked by %s on %s' % (h.person_by_id(c.repo_info.locked[0]),h.fmt_date(h.time_to_datetime(c.repo_info.locked[1])))}
           %else:
             ${h.submit('set_lock',_('lock repo'),class_="ui-btn",onclick="return confirm('"+_('Confirm to lock repository')+"');")}
             ${_('Repository is not locked')}
           %endif
        </div>
        <div class="field" style="border:none;color:#888">
        <ul>
             <li>${_('Force locking on repository. Works only when anonymous access is disabled')}
             </li>
        </ul>
        </div>
     </div>
     ${h.end_form()}
 
     <h3>${_('Set as fork of')}</h3>
     ${h.form(url('repo_as_fork', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
        <div class="fields">
            ${h.select('id_fork_of','',c.repos_list,class_="medium")}
            ${h.submit('set_as_fork_%s' % c.repo_info.repo_name,_('set'),class_="ui-btn",)}
        </div>
            <div class="field" style="border:none;color:#888">
            <ul>
                 <li>${_('''Manually set this repository as a fork of another from the list''')}</li>
            </ul>
            </div>
     </div>
     ${h.end_form()}
 
     <h3>${_('Delete')}</h3>
     ${h.form(url('repo', repo_name=c.repo_info.repo_name),method='delete')}
     <div class="form">
         <div class="fields">
             <div class="field" style="border:none;color:#888">
 ##              <div class="label">
 ##                  <label for="">${_('Remove repository')}:</label>
 ##              </div>
                 <div class="checkboxes">
                     ${h.submit('remove_%s' % c.repo_info.repo_name,_('Remove this repository'),class_="ui-btn red",onclick="return confirm('"+_('Confirm to delete this repository')+"');")}
                     %if c.repo_info.forks.count():
                         - ${ungettext('this repository has %s fork', 'this repository has %s forks', c.repo_info.forks.count()) % c.repo_info.forks.count()}
                         <input type="radio" name="forks" value="detach_forks" checked="checked"/> <label for="forks">${_('Detach forks')}</label>
                         <input type="radio" name="forks" value="delete_forks" /> <label for="forks">${_('Delete forks')}</label>
                     %endif
                     <ul>
                         <li>${_('This repository will be renamed in a special way in order to be unaccesible for RhodeCode and VCS systems. If you need to fully delete it from file system please do it manually')}</li>
                     </ul>
                 </div>
             </div>
         </div>
     </div>
     ${h.end_form()}
 </div>
 
 ##TODO: this should be controlled by the VISUAL setting
 %if c.visual.repository_fields:
 <div class="box box-left" style="clear:left">
     <!-- box / title -->
     <div class="title">
         <h5>${_('Extra fields')}</h5>
     </div>
 
     <div class="emails_wrap">
       <table class="noborder">
       %for field in c.repo_fields:
         <tr>
             <td>${field.field_label} (${field.field_key})</td>
             <td>${field.field_type}</td>
             <td>
               ${h.form(url('delete_repo_fields', repo_name=c.repo_info.repo_name, field_id=field.repo_field_id),method='delete')}
                   ${h.submit('remove_%s' % field.repo_field_id, _('delete'), id="remove_field_%s" % field.repo_field_id,
                   class_="delete_icon action_button", onclick="return confirm('"+_('Confirm to delete this field: %s') % field.field_key+"');")}
               ${h.end_form()}
             </td>
         </tr>
       %endfor
       </table>
     </div>
 
     ${h.form(url('create_repo_fields', repo_name=c.repo_info.repo_name),method='put')}
     <div class="form">
         <!-- fields -->
         <div class="fields">
              <div class="field">
                 <div class="label">
                     <label for="new_field_key">${_('New field key')}:</label>
                 </div>
                 <div class="input">
                     ${h.text('new_field_key', class_='small')}
                 </div>
              </div>
              <div class="field">
                 <div class="label">
                     <label for="new_field_label">${_('New field label')}:</label>
                 </div>
                 <div class="input">
                     ${h.text('new_field_label', class_='small', placeholder=_('Enter short label'))}
                 </div>
              </div>
 
              <div class="field">
                 <div class="label">
                     <label for="new_field_desc">${_('New field description')}:</label>
                 </div>
                 <div class="input">
                     ${h.text('new_field_desc', class_='small', placeholder=_('Enter description of a field'))}
                 </div>
              </div>
 
             <div class="buttons">
               ${h.submit('save',_('Add'),class_="ui-btn large")}
               ${h.reset('reset',_('Reset'),class_="ui-btn large")}
             </div>
         </div>
     </div>
     ${h.end_form()}
 </div>
 %endif
 </%def>