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Nothing, but in a friendly way. Good for filling in for objects you want to
hide. If $form.f1 is a RecursiveNull object, then
$form.f1.anything["you"].might("use") will resolve to the empty string.
This module was contributed by Ian Bicking.
class RecursiveNull(object):
def __getattr__(self, attr):
return self
def __getitem__(self, item):
return self
def __call__(self, *args, **kwargs):
return self
def __str__(self):
return ''
def __repr__(self):
return ''
def __nonzero__(self):
return 0
def __eq__(self, x):
if x:
return False
return True
def __ne__(self, x):
return x and True or False