if each.ui_section == 'hooks':

            v = each.ui_active

        settings[each.ui_section + '_' + k] = v  

    return settings

#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()

    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):

                baseui.setconfig(section, k, v)

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

        if checkpaths:check_repo_dir(cfg.items('paths'))                

    elif read_from == 'db':

        hg_ui = get_hg_ui_cached()

        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)

    return baseui

def set_hg_app_config(config):

    hgsettings = get_hg_settings()

    for k, v in hgsettings.items():

        config[k] = v

def invalidate_cache(name, *args):

    """Invalidates given name cache"""

    from beaker.cache import region_invalidate

    log.info('INVALIDATING CACHE FOR %s', name)

    """propagate our arguments to make sure invalidation works. First

    argument has to be the name of cached func name give to cache decorator

    without that the invalidation would not work"""

    tmp = [name]

    tmp.extend(args)

    args = tuple(tmp)

    if name == 'cached_repo_list':

        from pylons_app.model.hg_model import _get_repos_cached

        region_invalidate(_get_repos_cached, None, *args)

    if name == 'full_changelog':

        from pylons_app.model.hg_model import _full_changelog_cached

        region_invalidate(_full_changelog_cached, None, *args)

class EmptyChangeset(BaseChangeset):

    revision = -1

    message = ''

    author = ''

    @LazyProperty

    def raw_id(self):

        """

        Returns raw string identifing this changeset, useful for web

        representation.

        """

def repo2db_mapper(initial_repo_list, remove_obsolete=False):

    """

    maps all found repositories into db

    """

    from pylons_app.model.repo_model import RepoModel

    sa = meta.Session

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

    rm = RepoModel()

    for name, repo in initial_repo_list.items():

        if not sa.query(Repository).filter(Repository.repo_name == name).scalar():

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

            form_data = {

                         'repo_name':name,

                         'description':repo.description if repo.description != 'unknown' else \

                                        'auto description for %s' % name,

                         'private':False

                         }

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

    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():

                sa.delete(repo)

                sa.commit()

    meta.Session.remove()

from UserDict import DictMixin

class OrderedDict(dict, DictMixin):

    def __init__(self, *args, **kwds):

        if len(args) > 1:

            raise TypeError('expected at most 1 arguments, got %d' % len(args))

        try:

            self.__end

        except AttributeError:

            self.clear()

        self.update(*args, **kwds)

    def clear(self):

        self.__end = end = []

        end += [None, end, end]         # sentinel node for doubly linked list

        self.__map = {}                 # key --> [key, prev, next]

        dict.clear(self)

    def __setitem__(self, key, value):

        if key not in self:

            end = self.__end

            curr = end[1]

            curr[2] = end[1] = self.__map[key] = [key, curr, end]

        dict.__setitem__(self, key, value)

    def __delitem__(self, key):

        dict.__delitem__(self, key)

        key, prev, next = self.__map.pop(key)

        prev[2] = next

        next[1] = prev

    def __iter__(self):

        end = self.__end

        curr = end[2]

        while curr is not end:

            yield curr[0]

            curr = curr[2]

    def __reversed__(self):

        end = self.__end

        curr = end[1]

        while curr is not end:

            yield curr[0]

            curr = curr[1]

    def popitem(self, last=True):

        if not self:

            raise KeyError('dictionary is empty')

        if last:

            key = reversed(self).next()

        else:

            key = iter(self).next()

        value = self.pop(key)

        return key, value

    def __reduce__(self):

        items = [[k, self[k]] for k in self]

        tmp = self.__map, self.__end

        del self.__map, self.__end

        inst_dict = vars(self).copy()