Can you give us some examples ?
Le vendredi 1 juin 2012 17:49:02 UTC+2, monotasker a écrit :
>
> I have a db field that holds a regular expression (one unique regex for
> each row in the table). Another row in the table
> (db.steps.readable_response) lists sample strings that should satisfy the
> regex. I'm trying to create a custom validator that tests the regular
> expression against the sample strings at form submission, to highlight
> problems in the regex before it's submitted. But at the moment the
> re.match() is failing even when I'm positive it should pass (I've tested
> them several times using Kiki). Here's the validator class.
>
> class IS_VALID_REGEX(object):
> """
> custom validator to check regex in step definitions against the given
> readable responses.
> """
> def __init__(self):
> self.error_message='Given answers do not satisfy regular
> expression.'
>
>
> def __call__(self, value):
> request = current.request
> answers = request.vars.readable_response
> alist = answers.split('|')
> value = value.encode('UTF-8')
> regex = value.encode('string-escape')
> for a in alist:
> if re.match(a.strip(), regex, re.I):
> print a.strip()
> print 'it matched!'
> else:
> print 'answer ', a, ' did not match the regular
> expression provided.'
> print regex
> return (value, self.error_message)
> return (value, None)
>
> The print output show that the correct regex and sample strings are being
> evaluated. So why is it not passing?
>
> To complicate things a bit, the regex and sample string both include
> unicode characters (polytonic Greek). But elsewhere in the app this doesn't
> seem to have created problems when performing a similar re.match().
>
> Thanks,
>
> Ian
>
