diff --git a/rhodecode/lib/__init__.py b/rhodecode/lib/__init__.py
--- a/rhodecode/lib/__init__.py
+++ b/rhodecode/lib/__init__.py
@@ -1,444 +1,4 @@
-# -*- coding: utf-8 -*-
-"""
-    rhodecode.lib.__init__
-    ~~~~~~~~~~~~~~~~~~~~~~~
-
-    Some simple helper functions
-
-    :created_on: Jan 5, 2011
-    :author: marcink
-    :copyright: (C) 2011-2012 Marcin Kuzminski <marcin@python-works.com>
-    :license: GPLv3, see COPYING for more details.
-"""
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
 import os
-import re
-from rhodecode import EXTENSIONS
-from rhodecode.lib.vcs.utils.lazy import LazyProperty
-
-
-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
-LANGUAGES_EXTENSIONS_MAP.update(getattr(EXTENSIONS, 'EXTRA_MAPPINGS', {}))
-
-#==============================================================================
-# WHOOSH INDEX EXTENSIONS
-#==============================================================================
-# EXTENSIONS WE WANT TO INDEX CONTENT OFF USING WHOOSH
-INDEX_EXTENSIONS = LANGUAGES_EXTENSIONS_MAP.keys()
-
-#OVERRIDE OUR EXTENSIONS FROM RC-EXTENSIONS (if present)
-
-if getattr(EXTENSIONS, 'INDEX_EXTENSIONS', []) != []:
-    INDEX_EXTENSIONS = getattr(EXTENSIONS, 'INDEX_EXTENSIONS', [])
-
-#ADDITIONAL MAPPINGS
-INDEX_EXTENSIONS.extend(getattr(EXTENSIONS, 'EXTRA_INDEX_EXTENSIONS', []))
-
-# list of readme files to search in file tree and display in summary
-# attached weights defines the search  order lower is first
-ALL_READMES = [
-    ('readme', 0), ('README', 0), ('Readme', 0),
-    ('doc/readme', 1), ('doc/README', 1), ('doc/Readme', 1),
-    ('Docs/readme', 2), ('Docs/README', 2), ('Docs/Readme', 2),
-    ('DOCS/readme', 2), ('DOCS/README', 2), ('DOCS/Readme', 2),
-    ('docs/readme', 2), ('docs/README', 2), ('docs/Readme', 2),
-]
-
-# extension together with weights to search lower is first
-RST_EXTS = [
-    ('', 0), ('.rst', 1), ('.rest', 1),
-    ('.RST', 2), ('.REST', 2),
-    ('.txt', 3), ('.TXT', 3)
-]
-
-MARKDOWN_EXTS = [
-    ('.md', 1), ('.MD', 1),
-    ('.mkdn', 2), ('.MKDN', 2),
-    ('.mdown', 3), ('.MDOWN', 3),
-    ('.markdown', 4), ('.MARKDOWN', 4)
-]
-
-PLAIN_EXTS = [('.text', 2), ('.TEXT', 2)]
-
-ALL_EXTS = MARKDOWN_EXTS + RST_EXTS + PLAIN_EXTS
-
-
-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:
-            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=None):
-    """
-    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_
-
-    if not from_encoding:
-        import rhodecode
-        DEFAULT_ENCODING = rhodecode.CONFIG.get('default_encoding','utf8')
-        from_encoding = DEFAULT_ENCODING
-
-    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=None):
-    """
-    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 it's not basestr cast to str
-    if not isinstance(unicode_, basestring):
-        return str(unicode_)
-
-    if isinstance(unicode_, str):
-        return unicode_
-
-    if not to_encoding:
-        import rhodecode
-        DEFAULT_ENCODING = rhodecode.CONFIG.get('default_encoding','utf8')
-        to_encoding = DEFAULT_ENCODING
-
-    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 rhodecode.lib.vcs.backends.base import BaseRepository
-    from rhodecode.lib.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(quiet=False):
@@ -462,16 +22,3 @@ def get_current_revision(quiet=False):
             print ("Cannot retrieve rhodecode's revision. Original error "
                    "was: %s" % err)
         return None
-
-
-def extract_mentioned_users(s):
-    """
-    Returns unique usernames from given string s that have @mention
-
-    :param s: string to get mentions
-    """
-    usrs = {}
-    for username in re.findall(r'(?:^@|\s@)(\w+)', s):
-        usrs[username] = username
-
-    return sorted(usrs.keys())