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Project Description

Note: this includes an update to a deprecated import in the util.py file in order to make this Django 1.6+ compatible.

Django Math Captcha is an easy way to add mathematical captcha verification to your already existing forms. It asks you a simple math question (eg '1 + 2 =') and validates the form if your response is correct. All you have to do is subclass either MathCaptchaForm or MathCaptchaModelForm in your own forms.

Extending your forms:

from math_captcha import MathCaptchaModelForm
from myapp.forms import BlogForm

class MyExistingForm(BlogForm,MathCaptchaModelForm): # instead of forms.ModelForm
    #... extra fields here

Now you can be certain that the only users who create blogs are humans.

Check out the example project for more practical use and tests.

Using with other apps

If you are running an app like, say django-contact-form and want to add math captcha here is how to go about it.

Add the following in your urls.py:

from contact_form.forms import ContactForm
from math_captcha.forms import MathCaptchaForm

class CaptchaContactForm(ContactForm,MathCaptchaForm):
    pass

urlpatterns = patterns('',
    ...
    url(r'^contact/$','contact_form.views.contact_form',{'form_class':CaptchaContactForm},name='contact_form'),
    url(r'^contact/sent/$','django.views.generic.simple.direct_to_template',{ 'template': 'contact_form/contact_form_sent.html' },name='contact_form_sent'),
    ...
)

Now the contact form will block robots who cant do math.

Settings

Set the behavior of the math captcha interaction in your settings.py

MATH_CAPTCHA_NUMBERS = (1,2,3,4,5)

A list of numbers to randomly choose from when generating the questions. Defaults to 1 through 5.

MATH_CAPTCHA_OPERATORS = '+-'

String containing mathematical operators to use. Default is only add (+) and subtract (-). Available operators are: add (+), subtract (-), multiply (*), divide (/), and modulo (%)

MATH_CAPTCHA_QUESTION = 'Are you human?'

Question that appears on forms as a label for math questions. By default it is 'Are you human?'

Release History

Release History

0.1.2

This version

History Node

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0.1.1

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
django-math-captcha-update-0.1.2.tar.gz (4.0 kB) Copy SHA256 Checksum SHA256 Source Aug 18, 2014

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