django-orchestra/orchestra/api/options.py
Marc Aymerich 1ff4e05819 flake8
2015-04-04 18:10:39 +00:00

48 lines
1.9 KiB
Python

from django.conf import settings as django_settings
from django.utils.module_loading import autodiscover_modules
from rest_framework.routers import DefaultRouter
from orchestra import settings
from orchestra.utils.python import import_class
from .helpers import insert_links
class LinkHeaderRouter(DefaultRouter):
def get_api_root_view(self):
""" returns the root view, with all the linked collections """
APIRoot = import_class(settings.API_ROOT_VIEW)
APIRoot.router = self
return APIRoot.as_view()
def register(self, prefix, viewset, base_name=None):
""" inserts link headers on every viewset """
if base_name is None:
base_name = self.get_default_base_name(viewset)
insert_links(viewset, base_name)
self.registry.append((prefix, viewset, base_name))
def get_viewset(self, prefix_or_model):
for _prefix, viewset, __ in self.registry:
if _prefix == prefix_or_model or viewset.model == prefix_or_model:
return viewset
msg = "%s does not have a regiestered viewset" % prefix_or_model
raise KeyError(msg)
def insert(self, prefix_or_model, name, field, **kwargs):
""" Dynamically add new fields to an existing serializer """
viewset = self.get_viewset(prefix_or_model)
# setattr(viewset, 'inserted', getattr(viewset, 'inserted', []))
if viewset.serializer_class is None:
viewset.serializer_class = viewset().get_serializer_class()
viewset.serializer_class.base_fields.update({name: field(**kwargs)})
# if not name in viewset.inserted:
viewset.serializer_class.Meta.fields += (name,)
# viewset.inserted.append(name)
# Create a router and register our viewsets with it.
router = LinkHeaderRouter(trailing_slash=django_settings.APPEND_SLASH)
autodiscover = lambda: (autodiscover_modules('api'), autodiscover_modules('serializers'))