Returning CSV format from django-rest-framework

README.rst

Using djangorestframework-csv [1] package like this, I can done the view

You need install it:

pip install --timeout 120 djangorestframework-csv

[1] https://github.com/mjumbewu/django-rest-framework-csv

settings.py

# project/settings.py
REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 10,
    'DEFAULT_RENDERER_CLASSES': (
        'rest_framework.renderers.JSONRenderer',
        'rest_framework.renderers.BrowsableAPIRenderer',
        'rest_framework_csv.renderers.CSVRenderer',
    )
}

urls.py

# app/urls.py
    # GET /api/csv/download/1/
    # - Download csv file upload.
    url(r'^api/csv/download/(?P<uploadfile_id>\d+)/$', views.FilesProcessedView.download_csv_file, 
        name="download_csv_file"),

views.py

# app/views.py
from rest_framework.decorators import api_view, renderer_classes
from rest_framework.views import APIView
from rest_framework_csv.renderers import CSVRenderer
from models import MyModel
from serializers import MyModelSerializer

class FilesProcessedView(APIView):

    ...
    ...
    ...

    @api_view(('GET',))
    @renderer_classes((CSVRenderer,))
    def download_csv_file(request, format=None):
        mymodel_id = request.query_params.get('mymodel_id', None)
        print 'format', format
        csv_file = MyModel.objects.get(id=mymodel_id)
        serializer = MyModelSerializer(csv_file)
        return Response(serializer.data)