def is_not_whitespace_only():
  def validator(form, value):
    if not value.strip():
      raise ValidationError(_(u'The text must not be empty.'))
  return validator
Ensure absolute_uri are relative to WEBROOT.
dataset/ETHPy150Open IanLewis/kay/kay/utils/validators.py/is_not_whitespace_only--crossover with--dataset/ETHPy150Open openstack/django_openstack_auth/openstack_auth/utils.py/build_absolute_uri