Re: Problems with Formencode Msgs, Unexpected Inputs

Don't you hate it when you forget to add the attachment?

On Fri, Oct 3, 2008 at 11:15 AM, Tom Longson (nym) <[email protected]>wrote:

> Hi,
>
> I'm trying to get formencode to work, and I have a few problems:
>
> 1. How do you supply custom error messages? I've read the documentation,
> and couldn't find a concrete example using preexisting validators.
> 2. Why am i getting this error list with the included test file?
>
> List of dictionaries:
> [{'name': 'Tom'}, {'email': 'tom-1ejvVKqOCHmevrI51Aqiyd1ocvOgFGy0LpsAlfeDtJ10ubjbjo6WXg@public.gmane.org'},
> {'password': 'narfffff0'}, {'password_confirm': 'narfffff0'}]
>
> Error list:
> [Invalid('email: Missing value\npassword: Missing value\npassword_confirm:
> Missing value',), Invalid('name: Missing value\npassword: Missing
> value\npassword_confirm: Missing value',), Invalid('email: Missing
> value\nname: Missing value\npassword_confirm: Missing value',),
> Invalid('email: Missing value\nname: Missing value\npassword: Missing
> value',)]
>
> 3. If I supply a value to the list of dictionaries that is not expected by
> the Schema (e.g. "foobar"), how do I get the Schema to ignore it instead of
> throwing an Invalid(u"The input field '%s' was not expected.",) ?
>
> Thanks!
> nym
>

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import formencode
from formencode import validators

usernames = ['narf', 'point']

tuplelist = [('name', u'Tom'), ('email', u'[email protected]'), ('password', u'narfffff0'), ('password_confirm', u'narfffff0')]

class SecurePassword(formencode.FancyValidator):
    words_filename = '/usr/share/dict/words'
    def _to_python(self, value, state):
        f = open(self.words_filename)
        lower = value.strip().lower()
        for line in f:
            if line.strip().lower() == lower:
                raise formencode.Invalid(
                    'Please do not base your password on a '
                    'dictionary term', value, state)
        return value

class UniqueUsername(formencode.FancyValidator):
    def _to_python(self, value, state):
        if value in usernames:
            raise formencode.Invalid(
                'That username already exists',
                value, state)
        return value

class Registration(formencode.Schema):
    name = validators.String(not_empty=True)
    email = validators.Email(resolve_domain=False, badDomain="yer fucked")
    #username = formencode.All(validators.PlainText(), UniqueUsername())
    password = SecurePassword()
    #password_confirm = validators.String()
    chained_validators = [validators.FieldsMatch('password', 'password_confirm')]


validator = formencode.ForEach(Registration())
dictlist = [{k: v.encode('ascii', 'ignore')} for k, v in tuplelist]
print "List of dictionaries:" 
print dictlist
print
try:
    params = validator.to_python(dictlist)
except formencode.Invalid, e:
    print "Error list:"
    print e.error_list
    print