[uilib] soup2xhtml uses now lxml.html.Cleaner The lxm cleaner class let you configure more easily the allowed tag elements in parsed content. Caveats: - attributes in elements are not dropped (and html layout can be broken if css classes are reused) - root tag element in snippet is buggy

if repo.system_source.dbdriver == 'postgres':
    sql('ALTER TABLE appears ADD COLUMN weight float')
    sql('UPDATE appears SET weight=1.0 ')