Empty

Invalid unless the value is empty. Use cleverly, if at all.

The Empty class is accessible via the formencode.validators module.

Examples:

>>> Empty.to_python(0)
Traceback (most recent call last):
  ...
Invalid: You cannot enter a value here

Messages

badType:
The input must be a string (not a %(type)s: %(value)r)
empty:
Please enter a value
noneType:
The input must be a string (not None)
notEmpty:
You cannot enter a value here

Attributes

a gettextargs

{}

a strip

False

a use_builtins_gettext

True

a accept_python

True

a __singletonmethods__

('to_python', 'from_python', 'message', 'all_messages', 'subvalidators')

a declarative_count

17

a __unpackargs__

()

a compound

False

a not_empty

False

a __mutableattributes__

()

a repeating

False

Methods

f __initargs__(self, new_attrs) ...

f __call__(self, *args, **kw) ...

f __classinit__(cls, new_attrs) ...

f __init__(self, *args, **kw) ...

f __sourcerepr__(self, source, binding=None) ...

f __classsourcerepr__(cls, source, binding=None) ...

f validate_python(self, value, state) ...

See the source for more information.