Tastypie and ApiToken resource example

api.py

from tastypie.exceptions import NotFound
from tastypie.resources import ModelResource
from tastypie.authentication import BasicAuthentication, ApiKeyAuthentication
from tastypie.models import ApiKey
from django.contrib.auth.models import User

__author__ = 'martinsandstrom'


class ApiTokenResource(ModelResource):
    class Meta:
        queryset = ApiKey.objects.all()
        resource_name = "token"
        include_resource_uri = False
        fields = ["key"]
        list_allowed_methods = []
        detail_allowed_methods = ["get"]
        authentication = BasicAuthentication()

    def obj_get(self, request=None, **kwargs):
        if kwargs["pk"] != "auth":
            raise NotImplementedError("Resource not found")

        user = request.user
        if not user.is_active:
            raise NotFound("User not active")

        api_key = ApiKey.objects.get(user=request.user)
        return api_key

Updated Gist for tastypie 0.9.12
https://gist.github.com/mkubenka/5142319