CSV Tools for Django REST Framework
$ pip install djangorestframework-csv
views.py
from rest_framework.views import APIView from rest_framework.settings import api_settings from rest_framework_csv import renderers as r class MyView (APIView): renderer_classes = (r.CSVRenderer, ) + tuple(api_settings.DEFAULT_RENDERER_CLASSES) ...
Alternatively, to set CSV as a default rendered format, add the following to the settings.py file:
REST_FRAMEWORK = { # specifying the renderers 'DEFAULT_RENDERER_CLASSES': ( 'rest_framework_csv.renderers.CSVRenderer', ), }
By default, a CSVRenderer
will output fields in sorted order. To specify an alternative field ordering you can override the header
attribute. There are two ways to do this:
Create a new renderer class and override the header
attribute directly:
class MyUserRenderer (CSVRenderer): header = ['first', 'last', 'email'] @api_view(['GET']) @renderer_classes((MyUserRenderer,)) def my_view(request): users = User.objects.filter(is_active=True) content = [{'first': user.first_name, 'last': user.last_name, 'email': user.email} for user in users] return Response(content)
Use the renderer_context
to override the field ordering on the fly:
class MyView (APIView): renderer_classes = [CSVRenderer] def get_renderer_context(self): context = super().get_renderer_context() context['header'] = ( self.request.GET['fields'].split(',') if 'fields' in self.request.GET else None) return context ...
Custom labels can be applied to the CSVRenderer
using the labels
dict attribute where each key corresponds to the header and the value corresponds to the custom label for that header.
1) Create a new renderer class and override the header
and labels
attribute directly:
class MyBazRenderer (CSVRenderer): header = ['foo.bar'] labels = { 'foo.bar': 'baz' }
Using the renderer with paginated data is also possible with the new PaginatedCSVRenderer class and should be used with views that paginate data
For more information about using renderers with Django REST Framework, see the API Guide or the Tutorial.
To run the tests against the current environment:
$ DJANGO_SETTINGS_MODULE=testsettings python -m django test
CSVRenderer
, thanks to @sobyCSVRenderer
headers, labels, and writer_opts as renderer_context
parameters.CSVRenderer.headers
to CSVRenderer.header
; old spelling is still available for backwards compatibility, but may be removed in the future.headers
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