"""

        Load defaults settings for edit, and update

        :param group_id:

        """

        repo_group = RepoGroup.get_or_404(group_id)

        data = repo_group.get_dict()

        data['group_name'] = repo_group.name

        # fill repository group users

        for p in repo_group.repo_group_to_perm:

            data.update({'u_perm_%s' % p.user.username:

                             p.permission.permission_name})

        # fill repository group groups

        for p in repo_group.users_group_to_perm:

            data.update({'g_perm_%s' % p.users_group.users_group_name:

                             p.permission.permission_name})

        return data

    def _revoke_perms_on_yourself(self, form_result):

        _up = [u for u in form_result['perms_updates'] if request.authuser.username == u[0]]

        _new = [u for u in form_result['perms_new'] if request.authuser.username == u[0]]

        if _new and _new[0][1] != 'group.admin' or _up and _up[0][1] != 'group.admin':

            return True

        return False

    def index(self, format='html'):

        _list = RepoGroup.query(sorted=True).all()

        group_iter = RepoGroupList(_list, perm_level='admin')

        repo_groups_data = []

        _tmpl_lookup = app_globals.mako_lookup

        template = _tmpl_lookup.get_template('data_table/_dt_elements.html')

        def repo_group_name(repo_group_name, children_groups):

            return template.get_def("repo_group_name") \

                .render_unicode(repo_group_name, children_groups, _=_, h=h, c=c)

        def repo_group_actions(repo_group_id, repo_group_name, gr_count):

            return template.get_def("repo_group_actions") \

                .render_unicode(repo_group_id, repo_group_name, gr_count, _=_, h=h, c=c,

                        ungettext=ungettext)

        for repo_gr in group_iter:

            children_groups = [g.name for g in repo_gr.parents] + [repo_gr.name]

            repo_count = repo_gr.repositories.count()

            repo_groups_data.append({

                "group_name": repo_group_name(repo_gr.group_name, children_groups),

                "desc": h.escape(repo_gr.group_description),

                "repos": repo_count,

                "owner": h.person(repo_gr.owner),

                "action": repo_group_actions(repo_gr.group_id, repo_gr.group_name,

                                             repo_count)

            })

        c.data = {

            "sort": None,

            "dir": "asc",

            "records": repo_groups_data

        }

        return render('admin/repo_groups/repo_groups.html')

    def create(self):

        self.__load_defaults()

        # permissions for can create group based on parent_id are checked

        # here in the Form

        repo_group_form = RepoGroupForm(repo_groups=c.repo_groups)

        form_result = None

        try:

            form_result = repo_group_form.to_python(dict(request.POST))

            gr = RepoGroupModel().create(

                group_name=form_result['group_name'],

                group_description=form_result['group_description'],

                parent=form_result['parent_group_id'],

                owner=request.authuser.user_id, # TODO: make editable

                copy_permissions=form_result['group_copy_permissions']

            )

            Session().commit()

            # TODO: in future action_logger(, '', '', '')

        except formencode.Invalid as errors:

            return htmlfill.render(

                render('admin/repo_groups/repo_group_add.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during creation of repository group %s')

                    % request.POST.get('group_name'), category='error')

            if form_result is None:

                raise

                          admin=False,

                          short_name=False):

        """Return repository list for use by DataTable.

        repos_list: list of repositories - but will be filtered for read permission.

        repo_groups_list: added at top of list without permission check.

        admin: return data for action column.

        """

        _render = self._render_datatable

        from tg import tmpl_context as c, request

        from kallithea.model.scm import ScmModel

        def repo_lnk(name, rtype, rstate, private, fork_of):

            return _render('repo_name', name, rtype, rstate, private, fork_of,

                           short_name=short_name)

        def following(repo_id, is_following):

            return _render('following', repo_id, is_following)

        def last_change(last_change):

            return _render("last_change", last_change)

        def rss_lnk(repo_name):

            return _render("rss", repo_name)

        def atom_lnk(repo_name):

            return _render("atom", repo_name)

        def last_rev(repo_name, cs_cache):

            return _render('revision', repo_name, cs_cache.get('revision'),

                           cs_cache.get('raw_id'), cs_cache.get('author'),

                           cs_cache.get('message'))

        def desc(desc):

            return h.urlify_text(desc, truncate=80, stylize=c.visual.stylify_metalabels)

        def state(repo_state):

            return _render("repo_state", repo_state)

        def repo_actions(repo_name):

            return _render('repo_actions', repo_name)

        def owner_actions(owner_id, username):

            return _render('user_name', owner_id, username)

        repos_data = []

        for gr in repo_groups_list or []:

            repos_data.append(dict(

                name=_render('group_name_html', group_name=gr.group_name, name=gr.name),

                desc=desc(gr.group_description)))

        for repo in repos_list:

            if not HasRepoPermissionLevel('read')(repo.repo_name, 'get_repos_as_dict check'):

                continue

            cs_cache = repo.changeset_cache

            row = {

                "name": repo_lnk(repo.repo_name, repo.repo_type,

                                 repo.repo_state, repo.private, repo.fork),

                "following": following(

                    repo.repo_id,

                    ScmModel().is_following_repo(repo.repo_name, request.authuser.user_id),

                ),

                "last_change_iso": repo.last_db_change.isoformat(),

                "last_change": last_change(repo.last_db_change),

                "last_changeset": last_rev(repo.repo_name, cs_cache),

                "last_rev_raw": cs_cache.get('revision'),

                "desc": desc(repo.description),

                "owner": h.person(repo.owner),

                "state": state(repo.repo_state),

                "rss": rss_lnk(repo.repo_name),

                "atom": atom_lnk(repo.repo_name),

            }

            if admin:

                row.update({

                    "action": repo_actions(repo.repo_name),

                    "owner": owner_actions(repo.owner_id,

                                           h.person(repo.owner))

                })

            repos_data.append(row)

        return {

            "sort": "name",

            "dir": "asc",

            "records": repos_data

        }

    def _get_defaults(self, repo_name):

        """

        Gets information about repository, and returns a dict for

        usage in forms

        :param repo_name:

        """

        repo_info = Repository.get_by_repo_name(repo_name)

        if repo_info is None:

            return None

        defaults = repo_info.get_dict()

        defaults['repo_name'] = repo_info.just_name

        defaults['repo_group'] = repo_info.group_id

        for strip, k in [(0, 'repo_type'), (1, 'repo_enable_downloads'),