template_dict = dict(info_dict)
template_dict['epoch'] = unicode(int(time.time()))
template_dict['autonumber'] = unicode('%05d' % self._num_downloads)
+ template_dict = dict((key, u'NA' if val is None else val) for key, val in template_dict.items())
filename = self.params['outtmpl'] % template_dict
return filename
except (ValueError, KeyError), err: