On Jan 26, 11:40 am, Wayne Witzel <[email protected]> wrote:
> On Jan 26, 5:33 am, eleith <[email protected]> wrote:
>
>
>
> > for my schema, i want to handle
> > ----------------------------------------
> > delete?id=100
> > delete?id=100&id=101&id=102
>
> > and throw an error for
>
> > delete?
> > -----------------------------------------
> > my validators look like this:
>
> > id = ForEach(Int(), not_empty=True, convert_to_list=True)
>
> > however, this passes when even when i don't pass in an 'id'
>
> > i've even tried
>
> > All(NotEmpty(), ForEach(....))
>
> > that doesn't work either. i've ended up writing my own function and
> > subclassing into SimpleFormValidator to handle this case for me (i
> > just check if the len(values['id']) < 1, and return an error message)
>
> > so either i'm going about this the wrong way, or there is an error in
> > ForEach and/or All.
>
> > any suggestions? (although, i'm happy with my solution, just thought i
> > would publish my findings)
>
> I've had similar issues in the past that I dealt with like this, not
> sure if this is what you're looking for or not.
>
> import formencode as fe
>
> class IdValidator(fe.FancyValidator):
> def _to_python(self, value, state):
> ret = {'id':[]}
>
> for v in value:
> try:
> ret['id'].append(int(v))
> except (ValueError, TypeError):
> raise fe.Invalid('id must be integer',
> value, state)
> return ret
>
> class InputFormSchema(fe.Schema):
> allow_extra_fields = True
> filter_extra_fields = True
>
> id = IdValidator()
Oops, ignore the dict, it will already return it to one since you have
under a Schema.
class IdValidator(formencode.FancyValidator):
def _to_python(self, value, state):
ret = []
for v in value:
try:
ret.append(int(v))
except (ValueError, TypeError):
raise formencode.Invalid('id must be an integer',
value, state)
return ret
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