[enh] added captcha

bt/forms.py

@@ -4,6 +4,7 @@ from django.utils.translation import ugettext as _
 from bt.models import Violation, COUNTRIES, RESOURCES, TYPES, MEDIA
 from bt.multifile import MultiFileField
 from operator import itemgetter
+from captcha.fields import CaptchaField
 
 class AdvancedEditor(forms.Textarea):
 	class Media:
@@ -30,3 +31,4 @@ class AddViolation(forms.Form):
    contractual = forms.BooleanField(required=False, help_text=_('Is the restriction described in the users contract?'))
    contract_excerpt = forms.CharField(required=False, widget=AdvancedEditor(), help_text=_('Please copy the relevant section describing the restriction from the user contract.'))
    loophole = forms.BooleanField(required=False, help_text=_('Is there another offer provided by this Operator which removes this restriction?'))
+   captcha = CaptchaField(help_text=_("Unfortunately we must protect against automatic attack, please forgive us this inconvenience."))

pip-requirements.txt

@@ -6,3 +6,4 @@ django-simple-captcha>=0.2.0
 django-tinymce>=1.5
 pysqlite>=1.0.1
 BabelDjango>=0.2.2
+PIL>=1.1.7

settings.py

@@ -131,6 +131,7 @@ INSTALLED_APPS = (
     'registration',
     'bt',
     'babeldjango',
+    'captcha',
     # Uncomment the next line to enable the admin:
     # 'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
@@ -167,6 +168,9 @@ SESSION_ENGINE = 'django.contrib.sessions.backends.file'
 ACCOUNT_ACTIVATION_DAYS = 7
 LOGIN_REDIRECT_URL = '/'
 
+CAPTCHA_NOISE_FUNCTIONS = ('captcha.helpers.noise_dots',)
+CAPTCHA_CHALLENGE_FUNCT = 'captcha.helpers.math_challenge'
+
 try:
     from local_settings import *
 except:

urls.py

@@ -10,6 +10,7 @@ urlpatterns = patterns('',
     (r'^$', bt.index),
     (r'^accounts/logout$', 'django.contrib.auth.views.logout', {'next_page' : '/'}),
     (r'^accounts/', include('registration.urls')),
+    url(r'^captcha/', include('captcha.urls')),
     (r'^ajax/(?P<country>[^/]*)(/(?P<operator>[^/]*))?$', bt.ajax),
     (r'^add/$', bt.add),
 )