except Exception:

            log.error(traceback.format_exc())

            raise JSONRPCError(

                'failed to remove member from users group `%s`' % (

                        users_group.users_group_name

                    )

            )

    def get_repo(self, apiuser, repoid):

        """"

        Get repository by name

        :param apiuser:

        :param repoid:

        """

        repo = get_repo_or_error(repoid)

        if HasPermissionAnyApi('hg.admin')(user=apiuser) is False:

            # check if we have admin permission for this repo !

            if HasRepoPermissionAnyApi('repository.admin')(user=apiuser,

                                            repo_name=repo.repo_name) is False:

                raise JSONRPCError('repository `%s` does not exist' % (repoid))

        members = []

        for user in repo.repo_to_perm:

            perm = user.permission.permission_name

            user = user.user

            user_data = user.get_api_data()

            user_data['type'] = "user"

            user_data['permission'] = perm

            members.append(user_data)

        for users_group in repo.users_group_to_perm:

            perm = users_group.permission.permission_name

            users_group = users_group.users_group

            users_group_data = users_group.get_api_data()

            users_group_data['type'] = "users_group"

            users_group_data['permission'] = perm

            members.append(users_group_data)

        data = repo.get_api_data()

        data['members'] = members

        return data

    def get_repos(self, apiuser):

        """"

        Get all repositories

        :param apiuser:

        """

        result = []

        if HasPermissionAnyApi('hg.admin')(user=apiuser) is False:

            repos = RepoModel().get_all_user_repos(user=apiuser)

        else:

            repos = RepoModel().get_all()

        for repo in repos:

            result.append(repo.get_api_data())

        return result

    @HasPermissionAllDecorator('hg.admin')

    def get_repo_nodes(self, apiuser, repoid, revision, root_path,

                       ret_type='all'):

        """

        returns a list of nodes and it's children

        for a given path at given revision. It's possible to specify ret_type