repo=c.rhodecode_repo)

                    node2 = FileNode(f_path, '', changeset=c.changeset_2)

            else:

                c.changeset_2 = EmptyChangeset(repo=c.rhodecode_repo)

                node2 = FileNode(f_path, '', changeset=c.changeset_2)

        except (RepositoryError, NodeError):

            log.error(traceback.format_exc())

            return redirect(url('files_home', repo_name=c.repo_name,

                                f_path=f_path))

        if node2.is_binary:

            node2_content = 'binary file'

        else:

            node2_content = node2.content

        if node1.is_binary:

            node1_content = 'binary file'

        else:

            node1_content = node1.content

        html_escape_table = {

            "&": "\u0026",

            '"': "\u0022",

            "'": "\u0027",

            ">": "\u003e",

            '\\': "\u005c",

            '\n': '\\n'

        }

        c.orig1 = h.html_escape((node1_content), html_escape_table)

        c.orig2 = h.html_escape((node2_content), html_escape_table)

        c.node1 = node1

        c.node2 = node2

        c.cs1 = c.changeset_1

        c.cs2 = c.changeset_2

        return render('files/diff_2way.html')

    def _get_node_history(self, cs, f_path, changesets=None):

        """

        get changesets history for given node

        :param cs: changeset to calculate history

        :param f_path: path for node to calculate history for

        :param changesets: if passed don't calculate history and take

            changesets defined in this list

        """

        # calculate history based on tip

        tip_cs = c.rhodecode_repo.get_changeset()