def index(self, repo_name, revision=None, f_path=None):

        p = safe_int(request.params.get('page', 1), 1)

        size = safe_int(request.params.get('size', 20), 20)

        collection = c.rhodecode_repo

        c.file_history = f_path

        def url_generator(**kw):

            if f_path:

                return url('shortlog_file_home', repo_name=repo_name,

                           revision=revision, f_path=f_path, size=size, **kw)

            return url('shortlog_home', repo_name=repo_name, size=size, **kw)

        if f_path:

            # get the history for the file !

            tip_cs = c.rhodecode_repo.get_changeset()

            try:

                collection = tip_cs.get_file_history(f_path)

            except (NodeDoesNotExistError, ChangesetError):

                #this node is not present at tip !

                try:

                    cs = self.__get_cs_or_redirect(revision, repo_name)

                    collection = cs.get_file_history(f_path)

                except RepositoryError, e:

                    h.flash(str(e), category='warning')

                    redirect(h.url('shortlog_home', repo_name=repo_name))

            collection = list(reversed(collection))

        c.repo_changesets = RepoPage(collection, page=p,

        c.statuses = c.rhodecode_db_repo.statuses(page_revisions)

        if not c.repo_changesets:

            h.flash(_('There are no changesets yet'), category='warning')

            return redirect(url('summary_home', repo_name=repo_name))

        c.shortlog_data = render('shortlog/shortlog_data.html')

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return c.shortlog_data

        r = render('shortlog/shortlog.html')

        return r