django-async-gt 0.5

a simple app to asynchronously upload images with Django, using Celery

Author:

Gregory Terzian

License:

BSD

A simple Django app to store images in async fashion using Celery. As you cannot pass as image to a Celery task, this app deconstructs the UploadedFile instance, passes it to a Celery task and reconstructs it there. Finally saving the uploaded image.

License

All code is under a BSD-style license, see LICENSE for details.

Source: https://github.com/gterzian/django_async.git

Requirements

• python >= 2.7

• django >= 1.4

• Celery >= 3.0

• PIL >= 1.1.6

Installation

To install run:

pip install django-async-gt

Configuration

You first of all need to have django-celery set up in your project.

settings.py

Add to INSTALLED_APPS:

'async_image_save'

How to use it in your project

The functionalities of this app reside in the save_image function, to be used in your views like the below.

from async_image_save.utils import save_image

def example_view(request):
    if request.method == "POST":
        form = YourModelForm(request.POST, request.FILES)
        if form.is_valid():
            # assuming your model has a main_photo ImageField
            # save the instance without an image
            instance = form.save(commit=False)
            instance.main_photo = None
            instance.save()
            instance.users.add(request.user.userprofile)
            # send the image to be saved by a worker
            save_image(form.cleaned_data['main_photo'], instance)

            return HttpResponseRedirect(reverse('home'))
    else:
        form = YourModelForm()
    context['form'] = form
    return render_to_response("home.html", context, context_instance=RequestContext(request))