def validate_captcha(form):
cta = form.cleaned_data.get('captcha', '')
uid = form.cleaned_data.get('captcha_uid', '')
if not CaptchaRequest.validate(uid, cta):
raise forms.ValidationError('输入的验证码有误，请重新输入')
return cta
def generate_sum_captcha(request_path='any'):
numbers = (int(random()*9)+1,int(random()*9)+1)
text = "%d+%d=" % numbers
answer = sum(numbers)
return CaptchaRequest.generate_request(text, answer, request_path)
