Thanks Bruno, works like a charm. Only caveat is that the error_message is always grabbed from the first validator…
On Sat, Feb 16, 2013 at 6:21 AM, Bruno Rocha <[email protected]> wrote: > Cool! but it does not allow the transformation. > > class CUSTOM(object): > """ > you can use a function or a lambda > to validate or/and transform the field in the way you want > it is the same as "onvalidation" and "onsuccess" form callbacks > but it can be used per field in models or controller level > Usage: > > # the validate function should return the error_message or None > def begins_with_a(value): > if not value.startswith('a'): > return "Should start with a" > else: > return None > > # the transform function should return a value > def to_upper(value): > return value.upper() > > db.define_table("foo", Field("bar")) > db.foo.bar.requires = CUSTOM(begins_with_a, to_upper) > > >>> CUSTOM(begins_with_a, to_upper)('apple') > ('APPLE', None) > >>> CUSTOM(begins_with_a, to_upper)('orange') > ('ORANGE', 'Should start with a') > > """ > def __init__(self, validate=lambda value: None, transform=lambda value: > value): > self.validate = validate > self.transform = transform > > def __call__(self, value): > return(self.transform(value), self.validate(value)) > > > -- > > --- > You received this message because you are subscribed to the Google Groups > "web2py-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
