Package gluon :: Module validators :: Class IS_EXPR

Class IS_EXPR

object --+    
         |    
 Validator --+
             |
            IS_EXPR

example:

   INPUT(_type='text', _name='name',
       requires=IS_EXPR('5 < int(value) < 10'))

the argument of IS_EXPR must be python condition:

   >>> IS_EXPR('int(value) < 2')('1')
   ('1', None)

   >>> IS_EXPR('int(value) < 2')('2')
   ('2', 'invalid expression')

Instance Methods

[hide private]

__init__(self, expression, error_message='invalid expression', environment=None)
x.__init__(...) initializes x; see help(type(x)) for signature source code

__call__(self, value)

source code

Inherited from Validator: formatter

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self, expression, error_message=`'invalid expression'`, environment=None)
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__: (inherited documentation)

call(self, value)
(Call operator)

source code

Overrides: Validator.__call__

Class IS_EXPR

__init__(self, expression, error_message='invalid expression', environment=None) (Constructor)

__call__(self, value) (Call operator)

init(self, expression, error_message=`'invalid expression'`, environment=None)
(Constructor)

call(self, value)
(Call operator)