Listing of repositories in given path. This path should not be a

        repository itself. Return a dictionary of repository objects mapping to

        vcs instances.

        :param repos_path: path to directory containing repositories

        """

        if repos_path is None:

            repos_path = self.repos_path

        log.info('scanning for repositories in %s', repos_path)

        repos = {}

        for name, path in get_filesystem_repos(repos_path):

            # name need to be decomposed and put back together using the /

            # since this is internal storage separator for kallithea

            name = db.Repository.normalize_repo_name(name)

            try:

                if name in repos:

                    raise RepositoryError('Duplicate repository name %s '

                                          'found in %s' % (name, path))

                else:

            except (OSError, VCSError):

                continue

        log.debug('found %s paths with repositories', len(repos))

        return repos

    def get_repos(self, repos):

        """Return the repos the user has access to"""

        return RepoList(repos, perm_level='read')

    def get_repo_groups(self, groups=None):

        """Return the repo groups the user has access to

        If no groups are specified, use top level groups.