$def with(author_data, limit=None, overflow_url=None, attrs='', show_years=False)

$def render_author_link(author):
  $ name = author.get('name')
  $ url = author.get('url')
  $ rendered_name = cond(name, truncate(name, 40), _("Unknown author"))
  $if show_years and author.get('birth_date'):
    $ birth_date_formatted = extract_year(author.get('birth_date'))
    $if author.get('death_date'):
      $ death_date_formatted = extract_year(author.get('death_date'))
    $else:
      $ death_date_formatted = ''
  $if show_years and url and author.get('birth_date'):
    <a href="$url" $:attrs>$rendered_name ($birth_date_formatted - $death_date_formatted)</a>
  $elif show_years and author.get('birth_date'):
    <span $:attrs>$rendered_name ($birth_date_formatted - $death_date_formatted)</span>
  $elif url:
    <a href="$url" $:attrs>$rendered_name</a>
  $else:
    <span $:attrs>$rendered_name</span>

$def render_overflow_link(remaining_authors, overflow_url):
  <small><em><a href="$overflow_url" $:attrs>$ungettext('%(n)s other', '%(n)s others', remaining_authors, n=remaining_authors)</a></em></small>

$code:
  if limit is None:
    limit = len(author_data)

  remaining_authors = max(0, len(author_data) - limit)
  render_items = [render_author_link(author) for author in author_data][:limit]

  if remaining_authors > 0:
    render_items.append(render_overflow_link(remaining_authors, overflow_url))

$if render_items:
  $:_("by %(name)s", name=commify_list(render_items))
$else:
  $:_("by an <em>unknown author</em>")