This is a Django Rest Framework authenticator to tastypie ApiKey

apikey_authentication.py

from django.utils.translation import ugettext_lazy as _
from rest_framework import exceptions
from rest_framework.authentication import TokenAuthentication
from tastypie.models import ApiKey


class ApiKeyAuthentication(TokenAuthentication):
    model = ApiKey
    keyword = 'ApiKey'

    def authenticate_credentials(self, key):
        try:
            username, key = key.split(":")
        except Exception:
            raise exceptions.AuthenticationFailed(_('Invalid token.'))

        model = self.get_model()
        try:
            token = model.objects.select_related('user').get(
                user__username=username, key=key
            )
        except model.DoesNotExist:
            raise exceptions.AuthenticationFailed(_('Invalid token.'))

        if not token.user.is_active:
            raise exceptions.AuthenticationFailed(_('User inactive or deleted.'))

        return (token.user, token)