def value(self, request, obj, path = None, form = None):
if path is None or path in ('__str__', '__unicode__'):
return str(obj)
else:
v = get_attr(request, obj, path, form)
if v is None:
v = '-'
return v
def render_from_string(self, request, obj, s):
link = get_attr(request, obj, self.link_path)
if not link:
return s
return "<a href='%s'>%s</a>" %(link, s)
