"""
"""

from wheezy.core.descriptors import attribute


class CaptchaMixin(object):

    @attribute
    def challenge_code(self):
        return self.captcha_context.get_challenge_code(self.request)

    def validate_captcha(self):
        return self.captcha_context.validate(self.request,
                                             self.errors, self._)

    def captcha_widget(self, path):
        ctx = self.captcha_context
        return ('<img id="captcha" src="%s?%s=%s" title="%s" />'
                '<input type="hidden" name="%s" value="%s" />' %
                (path, ctx.challenge_key, self.challenge_code,
                 self._('If you cannot read, click to generate a new one.'),
                 ctx.challenge_key, self.challenge_code))