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from django.conf import settings
from django import forms
from django.utils.encoding import smart_unicode
from django.utils.translation import ugettext_lazy as _
from recaptcha.widgets import ReCaptcha
from recaptcha.client import captcha
class ReCaptchaField(forms.CharField):
default_error_messages = {
'captcha_invalid': _(u'Invalid captcha')
}
def __init__(self, *args, **kwargs):
self.widget = ReCaptcha
self.required = True
super(ReCaptchaField, self).__init__(*args, **kwargs)
def clean(self, values):
super(ReCaptchaField, self).clean(values[1])
recaptcha_challenge_value = smart_unicode(values[0])
recaptcha_response_value = smart_unicode(values[1])
check_captcha = captcha.submit(recaptcha_challenge_value,
recaptcha_response_value, settings.RECAPTCHA_PRIVATE_KEY, {})
if not check_captcha.is_valid:
raise forms.util.ValidationError(self.error_messages['captcha_invalid'])
return values[0]
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