Add captcha for registration (django-simple-captcha)

SciPost_v1/settings.py

@@ -55,6 +55,7 @@ INSTALLED_APPS = (
     'django.contrib.staticfiles',
     'django_countries',
     'django_mathjax',
+    'captcha',
     'commentaries',
     'comments',
 #    'contributors',
@@ -65,6 +66,10 @@ INSTALLED_APPS = (
     'submissions',
 )
 
+CAPTCHA_CHALLENGE_FUNCT = 'captcha.helpers.math_challenge'
+CAPTCHA_LETTER_ROTATION = (-15, 15)
+CAPTCHA_NOISE_FUNCTIONS = ('captcha.helpers.noise_dots',)
+
 MATHJAX_ENABLED = True
 MATHJAX_CONFIG_DATA = {
     "tex2jax": {

SciPost_v1/urls.py

@@ -27,4 +27,6 @@ urlpatterns = [
     url(r'^ratings/', include('ratings.urls', namespace="ratings")),
 #    url(r'^reports/', include('reports.urls', namespace="reports")),
     url(r'^submissions/', include('submissions.urls', namespace="submissions")),
+    url(r'^captcha/', include('captcha.urls')),
 ]
+

scipost/forms.py

@@ -3,6 +3,7 @@ from django import forms
 from django_countries import countries
 from django_countries.widgets import CountrySelectWidget
 from django_countries.fields import LazyTypedChoiceField
+from captcha.fields import CaptchaField
 
 from .models import *
 
@@ -29,6 +30,7 @@ class RegistrationForm(forms.Form):
     username = forms.CharField(label='username', max_length=100)
     password = forms.CharField(label='password', widget=forms.PasswordInput())
     password_verif = forms.CharField(label='verify pwd', widget=forms.PasswordInput())
+    captcha = CaptchaField()
 
 #class RegistrationFormUser(forms.ModelForm):
 #    class Meta: