<%
len_attr = len(attributes)
switch = len_attr / 2
if not switch * 2 == len_attr:
switch = switch + 1
counter = 1
lc1 = []
lc2 = []
for a in sorted(attributes.keys(), key=lambda attr: attributes[attr]['weight']):
if counter <= switch:
lc1.append(a)
else:
lc2.append(a)
counter = counter + 1
%>
<%def name="form_col(l)">
% for a in l:
<% attr = attributes[a] %>
% endfor
${form_col(lc1)}
${form_col(lc2)}