michele@ionic:~/Progetti/TurboGears/svn/thirdparty/formencode/formencode$ python
Python 2.4.3 (#2, Mar 30 2006, 14:45:01)
[GCC 4.0.3 (Ubuntu 4.0.3-1ubuntu3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from formencode import validators
>>> int = validators.Int()
>>> int.not_empty
False
>>> int.to_python('')
>>> int.to_python(None)
>>> int.to_python(0)
0
>>> int.to_python(False)
0
>>> int.to_python('1')
1
>>> int.to_python('1a')
Traceback (most recent call last):
    ...
Invalid: Please enter an integer value
>>> int.not_empty = True
>>> int.to_python('')
Traceback (most recent call last):
    ...
Invalid: Please enter a value
>>> int.to_python(None)
Traceback (most recent call last):
    ...
Invalid: Please enter a value
>>> int.to_python('1')
1
>>> int.to_python('1a')
Traceback (most recent call last):
    ...
Invalid: Please enter an integer value
>>> from formencode import compound
>>> any = compound.Any(validators.Int(), validators.NotEmpty())
>>> any.not_empty
False
>>> any.to_python('')
>>> any.to_python(None)
>>> any = compound.Any(validators.Int(), validators.Empty())
>>> any.not_empty
False
>>> any = compound.All(validators.Int(), validators.NotEmpty())
>>> any.not_empty
True
>>> any.to_python('')
Traceback (most recent call last):
    ...
Invalid: Please enter a value
>>> from formencode.foreach import ForEach
>>> from formencode.validators import Int
>>> foreach = ForEach(Int())
>>> foreach.to_python('')
[]
>>> foreach.to_python(None)
[]
>>> foreach.to_python('1')
[1]
>>> foreach.to_python('2')
[2]
>>> foreach.to_python(['2', '3'])
[2, 3]
>>> foreach.not_empty = True
>>> foreach.to_python('1')
[1]
>>> foreach.to_python('')
Traceback (most recent call last):
    ...
Invalid: Please enter a value
>>> foreach.if_empty = []
>>> foreach.to_python('')
Traceback (most recent call last):
    ...
Invalid: Please enter a value
>>> foreach.not_empty = False
>>> foreach.to_python('')
[]
>>> foreach.not_empty = False