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django-updown

django-updown is a simple Django application for adding youtube like up and down voting.

Usage

Add "updown" to your INSTALLED_APPS then just add a RatingField to your model and go:

from django.db import models
from updown.fields import RatingField


class Video(models.Model):
   rating = RatingField()

You can also allow the user to change his vote:

class Video(models.Model):
   rating = RatingField(can_change_vote=True)

Now you can write your own view to submit ratings or use the predefinded:

from updown.views import AddRatingFromModel


urlpatterns = patterns("",
      url(r"^(?P<object_id>\d+)/rate/(?P<score>[\d\-]+)$", AddRatingFromModel(), {
            'app_label': 'video',
            'model': 'Video',
            'field_name': 'rating',
      }, name="video_rating"),
)

To submit a vote just go to video/<id>/rate/(1|-1). If you allowed users to change they're vote, they can do it with the same url.

Troubleshooting

If you previously used this app you may get to a point where migrations are failing. Try:

./manage.py migrate updown --fake 0001
to skip the initial migration. After this apply the migrations again::
./manage.py migrate updown

Thanks

Thanks a lot to django-ratings for the inspiring code