fixes rhodecode upgrade problem that caused setuptool to crash on importing sqlalchemy models

rhodecode/__init__.py

@@ -1,56 +1,56 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.__init__
     ~~~~~~~~~~~~~~~~~~
 
     RhodeCode, a web based repository management based on pylons
     versioning implementation: http://semver.org/
 
     :created_on: Apr 9, 2010
     :author: marcink
     :copyright: (C) 2009-2011 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 platform
 
 VERSION = (1, 3, 0, 'beta')
 __version__ = '.'.join((str(each) for each in VERSION[:4]))
 __dbversion__ = 4 #defines current db version for migrations
 __platform__ = platform.system()
 __license__ = 'GPLv3'
 
 PLATFORM_WIN = ('Windows')
 PLATFORM_OTHERS = ('Linux', 'Darwin', 'FreeBSD', 'OpenBSD', 'SunOS')
 
 try:
-    from rhodecode.lib.utils import get_current_revision
+    from rhodecode.lib import get_current_revision
     _rev = get_current_revision()
 except ImportError:
     #this is needed when doing some setup.py operations
     _rev = False
 
 if len(VERSION) > 3 and _rev:
     __version__ += ' [rev:%s]' % _rev[0]
 
 
 def get_version():
     """Returns shorter version (digit parts only) as string."""
 
     return '.'.join((str(each) for each in VERSION[:3]))
 
 BACKENDS = {
     'hg': 'Mercurial repository',
     #'git': 'Git repository',
 }

rhodecode/lib/__init__.py

@@ -1,381 +1,404 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.__init__
     ~~~~~~~~~~~~~~~~~~~~~~~
 
     Some simple helper functions
 
     :created_on: Jan 5, 2011
     :author: marcink
     :copyright: (C) 2009-2010 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
+
 def __get_lem():
     from pygments import lexers
     from string import lower
     from collections import defaultdict
 
     d = defaultdict(lambda: [])
 
     def __clean(s):
         s = s.lstrip('*')
         s = s.lstrip('.')
 
         if s.find('[') != -1:
             exts = []
             start, stop = s.find('['), s.find(']')
 
             for suffix in s[start + 1:stop]:
                 exts.append(s[:s.find('[')] + suffix)
             return map(lower, exts)
         else:
             return map(lower, [s])
 
     for lx, t in sorted(lexers.LEXERS.items()):
         m = map(__clean, t[-2])
         if m:
             m = reduce(lambda x, y: x + y, m)
             for ext in m:
                 desc = lx.replace('Lexer', '')
                 d[ext].append(desc)
 
     return dict(d)
 
 # language map is also used by whoosh indexer, which for those specified
 # extensions will index it's content
 LANGUAGES_EXTENSIONS_MAP = __get_lem()
 
 # Additional mappings that are not present in the pygments lexers
 # NOTE: that this will overide any mappings in LANGUAGES_EXTENSIONS_MAP
 ADDITIONAL_MAPPINGS = {'xaml': 'XAML'}
 
 LANGUAGES_EXTENSIONS_MAP.update(ADDITIONAL_MAPPINGS)
 
 
 def str2bool(_str):
     """
     returs True/False value from given string, it tries to translate the
     string into boolean
 
     :param _str: string value to translate into boolean
     :rtype: boolean
     :returns: boolean from given string
     """
     if _str is None:
         return False
     if _str in (True, False):
         return _str
     _str = str(_str).strip().lower()
     return _str in ('t', 'true', 'y', 'yes', 'on', '1')
 
 
 def convert_line_endings(line, mode):
     """
     Converts a given line  "line end" accordingly to given mode
     
     Available modes are::
         0 - Unix
         1 - Mac
         2 - DOS
     
     :param line: given line to convert
     :param mode: mode to convert to
     :rtype: str
     :return: converted line according to mode
     """
     from string import replace
 
     if mode == 0:
             line = replace(line, '\r\n', '\n')
             line = replace(line, '\r', '\n')
     elif mode == 1:
             line = replace(line, '\r\n', '\r')
             line = replace(line, '\n', '\r')
     elif mode == 2:
             import re
             line = re.sub("\r(?!\n)|(?<!\r)\n", "\r\n", line)
     return line
 
 
 def detect_mode(line, default):
     """
     Detects line break for given line, if line break couldn't be found
     given default value is returned
 
     :param line: str line
     :param default: default
     :rtype: int
     :return: value of line end on of 0 - Unix, 1 - Mac, 2 - DOS
     """
     if line.endswith('\r\n'):
         return 2
     elif line.endswith('\n'):
         return 0
     elif line.endswith('\r'):
         return 1
     else:
         return default
 
 
 def generate_api_key(username, salt=None):
     """
     Generates unique API key for given username, if salt is not given
     it'll be generated from some random string
 
     :param username: username as string
     :param salt: salt to hash generate KEY
     :rtype: str
     :returns: sha1 hash from username+salt
     """
     from tempfile import _RandomNameSequence
     import hashlib
 
     if salt is None:
         salt = _RandomNameSequence().next()
 
     return hashlib.sha1(username + salt).hexdigest()
 
 
 def safe_unicode(str_, from_encoding='utf8'):
     """
     safe unicode function. Does few trick to turn str_ into unicode
      
     In case of UnicodeDecode error we try to return it with encoding detected
     by chardet library if it fails fallback to unicode with errors replaced
 
     :param str_: string to decode
     :rtype: unicode
     :returns: unicode object
     """
     if isinstance(str_, unicode):
         return str_
 
     try:
         return unicode(str_)
     except UnicodeDecodeError:
         pass
 
     try:
         return unicode(str_, from_encoding)
     except UnicodeDecodeError:
         pass
 
     try:
         import chardet
         encoding = chardet.detect(str_)['encoding']
         if encoding is None:
             raise Exception()
         return str_.decode(encoding)
     except (ImportError, UnicodeDecodeError, Exception):
         return unicode(str_, from_encoding, 'replace')
 
 def safe_str(unicode_, to_encoding='utf8'):
     """
     safe str function. Does few trick to turn unicode_ into string
      
     In case of UnicodeEncodeError we try to return it with encoding detected
     by chardet library if it fails fallback to string with errors replaced
 
     :param unicode_: unicode to encode
     :rtype: str
     :returns: str object
     """
 
     if isinstance(unicode_, str):
         return unicode_
 
     try:
         return unicode_.encode(to_encoding)
     except UnicodeEncodeError:
         pass
 
     try:
         import chardet
         encoding = chardet.detect(unicode_)['encoding']
         print encoding
         if encoding is None:
             raise UnicodeEncodeError()
 
         return unicode_.encode(encoding)
     except (ImportError, UnicodeEncodeError):
         return unicode_.encode(to_encoding, 'replace')
 
     return safe_str
 
 
 
 def engine_from_config(configuration, prefix='sqlalchemy.', **kwargs):
     """
     Custom engine_from_config functions that makes sure we use NullPool for
     file based sqlite databases. This prevents errors on sqlite. This only 
     applies to sqlalchemy versions < 0.7.0
 
     """
     import sqlalchemy
     from sqlalchemy import engine_from_config as efc
     import logging
 
     if int(sqlalchemy.__version__.split('.')[1]) < 7:
 
         # This solution should work for sqlalchemy < 0.7.0, and should use
         # proxy=TimerProxy() for execution time profiling
 
         from sqlalchemy.pool import NullPool
         url = configuration[prefix + 'url']
 
         if url.startswith('sqlite'):
             kwargs.update({'poolclass': NullPool})
         return efc(configuration, prefix, **kwargs)
     else:
         import time
         from sqlalchemy import event
         from sqlalchemy.engine import Engine
 
         log = logging.getLogger('sqlalchemy.engine')
         BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38)
         engine = efc(configuration, prefix, **kwargs)
 
         def color_sql(sql):
             COLOR_SEQ = "\033[1;%dm"
             COLOR_SQL = YELLOW
             normal = '\x1b[0m'
             return ''.join([COLOR_SEQ % COLOR_SQL, sql, normal])
 
         if configuration['debug']:
             #attach events only for debug configuration
 
             def before_cursor_execute(conn, cursor, statement,
                                     parameters, context, executemany):
                 context._query_start_time = time.time()
                 log.info(color_sql(">>>>> STARTING QUERY >>>>>"))
 
 
             def after_cursor_execute(conn, cursor, statement,
                                     parameters, context, executemany):
                 total = time.time() - context._query_start_time
                 log.info(color_sql("<<<<< TOTAL TIME: %f <<<<<" % total))
 
             event.listen(engine, "before_cursor_execute",
                          before_cursor_execute)
             event.listen(engine, "after_cursor_execute",
                          after_cursor_execute)
 
     return engine
 
 
 def age(curdate):
     """
     turns a datetime into an age string.
     
     :param curdate: datetime object
     :rtype: unicode
     :returns: unicode words describing age
     """
 
     from datetime import datetime
     from webhelpers.date import time_ago_in_words
 
     _ = lambda s:s
 
     if not curdate:
         return ''
 
     agescales = [(_(u"year"), 3600 * 24 * 365),
                  (_(u"month"), 3600 * 24 * 30),
                  (_(u"day"), 3600 * 24),
                  (_(u"hour"), 3600),
                  (_(u"minute"), 60),
                  (_(u"second"), 1), ]
 
     age = datetime.now() - curdate
     age_seconds = (age.days * agescales[2][1]) + age.seconds
     pos = 1
     for scale in agescales:
         if scale[1] <= age_seconds:
             if pos == 6:pos = 5
             return '%s %s' % (time_ago_in_words(curdate,
                                                 agescales[pos][0]), _('ago'))
         pos += 1
 
     return _(u'just now')
 
 
 def uri_filter(uri):
     """
     Removes user:password from given url string
     
     :param uri:
     :rtype: unicode
     :returns: filtered list of strings  
     """
     if not uri:
         return ''
 
     proto = ''
 
     for pat in ('https://', 'http://'):
         if uri.startswith(pat):
             uri = uri[len(pat):]
             proto = pat
             break
 
     # remove passwords and username
     uri = uri[uri.find('@') + 1:]
 
     # get the port
     cred_pos = uri.find(':')
     if cred_pos == -1:
         host, port = uri, None
     else:
         host, port = uri[:cred_pos], uri[cred_pos + 1:]
 
     return filter(None, [proto, host, port])
 
 
 def credentials_filter(uri):
     """
     Returns a url with removed credentials
     
     :param uri:
     """
 
     uri = uri_filter(uri)
     #check if we have port
     if len(uri) > 2 and uri[2]:
         uri[2] = ':' + uri[2]
 
     return ''.join(uri)
 
 def get_changeset_safe(repo, rev):
     """
     Safe version of get_changeset if this changeset doesn't exists for a 
     repo it returns a Dummy one instead
     
     :param repo:
     :param rev:
     """
     from vcs.backends.base import BaseRepository
     from vcs.exceptions import RepositoryError
     if not isinstance(repo, BaseRepository):
         raise Exception('You must pass an Repository '
                         'object as first argument got %s', type(repo))
 
     try:
         cs = repo.get_changeset(rev)
     except RepositoryError:
         from rhodecode.lib.utils import EmptyChangeset
         cs = EmptyChangeset(requested_revision=rev)
     return cs
+
+
+def get_current_revision():
+    """
+    Returns tuple of (number, id) from repository containing this package
+    or None if repository could not be found.
+    """
+
+    try:
+        from vcs import get_repo
+        from vcs.utils.helpers import get_scm
+        from vcs.exceptions import RepositoryError, VCSError
+        repopath = os.path.join(os.path.dirname(__file__), '..', '..')
+        scm = get_scm(repopath)[0]
+        repo = get_repo(path=repopath, alias=scm)
+        tip = repo.get_changeset()
+        return (tip.revision, tip.short_id)
+    except (ImportError, RepositoryError, VCSError), err:
+        print ("Cannot retrieve rhodecode's revision. Original error "
+               "was: %s" % err)
+        return None

rhodecode/lib/utils.py

@@ -1,614 +1,594 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.utils
     ~~~~~~~~~~~~~~~~~~~
 
     Utilities library for RhodeCode
 
     :created_on: Apr 18, 2010
     :author: marcink
     :copyright: (C) 2009-2011 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 paste
 import beaker
 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 vcs import get_backend
 from vcs.backends.base import BaseChangeset
 from vcs.utils.lazy import LazyProperty
 from vcs.utils.helpers import get_scm
 from vcs.exceptions import VCSError
 
 from rhodecode.model import meta
 from rhodecode.model.caching_query import FromCache
 from rhodecode.model.db import Repository, User, RhodeCodeUi, UserLog, Group, \
     RhodeCodeSettings
 from rhodecode.model.repo import RepoModel
 
 log = logging.getLogger(__name__)
 
 
 def recursive_replace(str, replace=' '):
     """Recursive replace of given sign to just one instance
 
     :param str: given string
     :param replace: char to find and replace multiple instances
 
     Examples::
     >>> recursive_replace("Mighty---Mighty-Bo--sstones",'-')
     'Mighty-Mighty-Bo-sstones'
     """
 
     if str.find(replace * 2) == -1:
         return str
     else:
         str = str.replace(replace * 2, replace)
         return recursive_replace(str, replace)
 
 
 def repo_name_slug(value):
     """Return slug of name of repository
     This function is called on each creation/modification
     of repository to prevent bad names in repo
     """
 
     slug = remove_formatting(value)
     slug = strip_tags(slug)
 
     for c in """=[]\;'"<>,/~!@#$%^&*()+{}|: """:
         slug = slug.replace(c, '-')
     slug = recursive_replace(slug, '-')
     slug = collapse(slug, '-')
     return slug
 
 
 def get_repo_slug(request):
     return request.environ['pylons.routes_dict'].get('repo_name')
 
 
 def action_logger(user, action, repo, ipaddr='', sa=None):
     """
     Action logger for various actions made by users
 
     :param user: user that made this action, can be a unique username string or
         object containing user_id attribute
     :param action: action to log, should be on of predefined unique actions for
         easy translations
     :param repo: string name of repository or object containing repo_id,
         that action was made on
     :param ipaddr: optional ip address from what the action was made
     :param sa: optional sqlalchemy session
 
     """
 
     if not sa:
         sa = meta.Session()
 
     try:
         if hasattr(user, 'user_id'):
             user_obj = user
         elif isinstance(user, basestring):
             user_obj = User.get_by_username(user)
         else:
             raise Exception('You have to provide user object or username')
 
         rm = RepoModel()
         if hasattr(repo, 'repo_id'):
             repo_obj = rm.get(repo.repo_id, cache=False)
             repo_name = repo_obj.repo_name
         elif  isinstance(repo, basestring):
             repo_name = repo.lstrip('/')
             repo_obj = rm.get_by_repo_name(repo_name, cache=False)
         else:
             raise Exception('You have to provide repository to action logger')
 
         user_log = UserLog()
         user_log.user_id = user_obj.user_id
         user_log.action = action
 
         user_log.repository_id = repo_obj.repo_id
         user_log.repository_name = repo_name
 
         user_log.action_date = datetime.datetime.now()
         user_log.user_ip = ipaddr
         sa.add(user_log)
         sa.commit()
 
         log.info('Adding user %s, action %s on %s', user_obj, action, repo)
     except:
         log.error(traceback.format_exc())
         sa.rollback()
 
 
 def get_repos(path, recursive=False):
     """
     Scans given path for repos and return (name,(type,path)) tuple
 
     :param path: path to scann for repositories
     :param recursive: recursive search and return names with subdirs in front
     """
     from vcs.utils.helpers import get_scm
     from vcs.exceptions import VCSError
 
     if path.endswith(os.sep):
         #remove ending slash for better results
         path = path[:-1]
 
     def _get_repos(p):
         if not os.access(p, os.W_OK):
             return
         for dirpath in os.listdir(p):
             if os.path.isfile(os.path.join(p, dirpath)):
                 continue
             cur_path = os.path.join(p, dirpath)
             try:
                 scm_info = get_scm(cur_path)
                 yield scm_info[1].split(path)[-1].lstrip(os.sep), scm_info
             except VCSError:
                 if not recursive:
                     continue
                 #check if this dir containts other repos for recursive scan
                 rec_path = os.path.join(p, dirpath)
                 if os.path.isdir(rec_path):
                     for inner_scm in _get_repos(rec_path):
                         yield inner_scm
 
     return _get_repos(path)
 
 
 def is_valid_repo(repo_name, base_path):
     """
     Returns True if given path is a valid repository False otherwise
     :param repo_name:
     :param base_path:
 
     :return True: if given path is a valid repository
     """
     full_path = os.path.join(base_path, repo_name)
 
     try:
         get_scm(full_path)
         return True
     except VCSError:
         return False
 
 def is_valid_repos_group(repos_group_name, base_path):
     """
     Returns True if given path is a repos group False otherwise
     
     :param repo_name:
     :param base_path:
     """
     full_path = os.path.join(base_path, repos_group_name)
 
     # check if it's not a repo
     if is_valid_repo(repos_group_name, base_path):
         return False
 
     # check if it's a valid path
     if os.path.isdir(full_path):
         return True
 
     return False
 
 def ask_ok(prompt, retries=4, complaint='Yes or no, please!'):
     while True:
         ok = raw_input(prompt)
         if ok in ('y', 'ye', 'yes'):
             return True
         if ok in ('n', 'no', 'nop', 'nope'):
             return False
         retries = retries - 1
         if retries < 0:
             raise IOError
         print complaint
 
 #propagated from mercurial documentation
 ui_sections = ['alias', 'auth',
                 'decode/encode', 'defaults',
                 'diff', 'email',
                 'extensions', 'format',
                 'merge-patterns', 'merge-tools',
                 'hooks', 'http_proxy',
                 'smtp', 'patch',
                 'paths', 'profiling',
                 'server', 'trusted',
                 'ui', 'web', ]
 
 
 def make_ui(read_from='file', path=None, checkpaths=True):
     """A function that will read python rc files or database
     and make an mercurial ui object from read options
 
     :param path: path to mercurial config file
     :param checkpaths: check the path
     :param read_from: read from 'file' or 'db'
     """
 
     baseui = ui.ui()
 
     #clean the baseui object
     baseui._ocfg = config.config()
     baseui._ucfg = config.config()
     baseui._tcfg = config.config()
 
     if read_from == 'file':
         if not os.path.isfile(path):
             log.warning('Unable to read config file %s' % path)
             return False
         log.debug('reading hgrc from %s', path)
         cfg = config.config()
         cfg.read(path)
         for section in ui_sections:
             for k, v in cfg.items(section):
                 log.debug('settings ui from file[%s]%s:%s', section, k, v)
                 baseui.setconfig(section, k, v)
 
     elif read_from == 'db':
         sa = meta.Session()
         ret = sa.query(RhodeCodeUi)\
             .options(FromCache("sql_cache_short",
                                "get_hg_ui_settings")).all()
 
         hg_ui = ret
         for ui_ in hg_ui:
             if ui_.ui_active:
                 log.debug('settings ui from db[%s]%s:%s', ui_.ui_section,
                           ui_.ui_key, ui_.ui_value)
                 baseui.setconfig(ui_.ui_section, ui_.ui_key, ui_.ui_value)
 
         meta.Session.remove()
     return baseui
 
 
 def set_rhodecode_config(config):
     """Updates pylons config with new settings from database
 
     :param config:
     """
     hgsettings = RhodeCodeSettings.get_app_settings()
 
     for k, v in hgsettings.items():
         config[k] = v
 
 
 def invalidate_cache(cache_key, *args):
     """Puts cache invalidation task into db for
     further global cache invalidation
     """
 
     from rhodecode.model.scm import ScmModel
 
     if cache_key.startswith('get_repo_cached_'):
         name = cache_key.split('get_repo_cached_')[-1]
         ScmModel().mark_for_invalidation(name)
 
 
 class EmptyChangeset(BaseChangeset):
     """
     An dummy empty changeset. It's possible to pass hash when creating
     an EmptyChangeset
     """
 
     def __init__(self, cs='0' * 40, repo=None, requested_revision=None, alias=None):
         self._empty_cs = cs
         self.revision = -1
         self.message = ''
         self.author = ''
         self.date = ''
         self.repository = repo
         self.requested_revision = requested_revision
         self.alias = alias
 
     @LazyProperty
     def raw_id(self):
         """Returns raw string identifying this changeset, useful for web
         representation.
         """
 
         return self._empty_cs
 
     @LazyProperty
     def branch(self):
         return get_backend(self.alias).DEFAULT_BRANCH_NAME
 
     @LazyProperty
     def short_id(self):
         return self.raw_id[:12]
 
     def get_file_changeset(self, path):
         return self
 
     def get_file_content(self, path):
         return u''
 
     def get_file_size(self, path):
         return 0
 
 
 def map_groups(groups):
     """Checks for groups existence, and creates groups structures.
     It returns last group in structure
 
     :param groups: list of groups structure
     """
     sa = meta.Session()
 
     parent = None
     group = None
 
     # last element is repo in nested groups structure
     groups = groups[:-1]
 
     for lvl, group_name in enumerate(groups):
         group_name = '/'.join(groups[:lvl] + [group_name])
         group = sa.query(Group).filter(Group.group_name == group_name).scalar()
 
         if group is None:
             group = Group(group_name, parent)
             sa.add(group)
             sa.commit()
         parent = group
     return group
 
 
 def repo2db_mapper(initial_repo_list, remove_obsolete=False):
     """maps all repos given in initial_repo_list, non existing repositories
     are created, if remove_obsolete is True it also check for db entries
     that are not in initial_repo_list and removes them.
 
     :param initial_repo_list: list of repositories found by scanning methods
     :param remove_obsolete: check for obsolete entries in database
     """
 
     sa = meta.Session()
     rm = RepoModel()
     user = sa.query(User).filter(User.admin == True).first()
     added = []
     for name, repo in initial_repo_list.items():
         group = map_groups(name.split(os.sep))
         if not rm.get_by_repo_name(name, cache=False):
             log.info('repository %s not found creating default', name)
             added.append(name)
             form_data = {
                          'repo_name': name,
                          'repo_name_full': name,
                          'repo_type': repo.alias,
                          'description': repo.description \
                             if repo.description != 'unknown' else \
                                         '%s repository' % name,
                          'private': False,
                          'group_id': getattr(group, 'group_id', None)
                          }
             rm.create(form_data, user, just_db=True)
 
     removed = []
     if remove_obsolete:
         #remove from database those repositories that are not in the filesystem
         for repo in sa.query(Repository).all():
             if repo.repo_name not in initial_repo_list.keys():
                 removed.append(repo.repo_name)
                 sa.delete(repo)
                 sa.commit()
 
     return added, removed
 
 #set cache regions for beaker so celery can utilise it
 def add_cache(settings):
     cache_settings = {'regions': None}
     for key in settings.keys():
         for prefix in ['beaker.cache.', 'cache.']:
             if key.startswith(prefix):
                 name = key.split(prefix)[1].strip()
                 cache_settings[name] = settings[key].strip()
     if cache_settings['regions']:
         for region in cache_settings['regions'].split(','):
             region = region.strip()
             region_settings = {}
             for key, value in cache_settings.items():
                 if key.startswith(region):
                     region_settings[key.split('.')[1]] = value
             region_settings['expire'] = int(region_settings.get('expire',
                                                                 60))
             region_settings.setdefault('lock_dir',
                                        cache_settings.get('lock_dir'))
             region_settings.setdefault('data_dir',
                                        cache_settings.get('data_dir'))
 
             if 'type' not in region_settings:
                 region_settings['type'] = cache_settings.get('type',
                                                              'memory')
             beaker.cache.cache_regions[region] = region_settings
 
 
-def get_current_revision():
-    """Returns tuple of (number, id) from repository containing this package
-    or None if repository could not be found.
-    """
-
-    try:
-        from vcs import get_repo
-        from vcs.utils.helpers import get_scm
-        from vcs.exceptions import RepositoryError, VCSError
-        repopath = os.path.join(os.path.dirname(__file__), '..', '..')
-        scm = get_scm(repopath)[0]
-        repo = get_repo(path=repopath, alias=scm)
-        tip = repo.get_changeset()
-        return (tip.revision, tip.short_id)
-    except (ImportError, RepositoryError, VCSError), err:
-        logging.debug("Cannot retrieve rhodecode's revision. Original error "
-                      "was: %s" % err)
-        return None
-
-
 #==============================================================================
 # 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, NEW_HG_REPO, NEW_GIT_REPO, \
         HG_FORK, GIT_FORK, TESTS_TMP_PATH
     import tarfile
     import shutil
     from os.path import abspath
 
     # 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()
 
     # 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 HG REPOSITORY
     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()
 
 
 #==============================================================================
 # 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
 
         path_to_ini_file = os.path.realpath(conf)
         conf = paste.deploy.appconfig('config:' + path_to_ini_file)
         pylonsconfig.init_app(conf.global_conf, conf.local_conf)