mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-25 19:14:01 +03:00
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from functools import update_wrapper
|
|
import inspect
|
|
from django.utils.decorators import classonlymethod
|
|
from rest_framework import views, generics
|
|
|
|
|
|
def wrapped(source, dest):
|
|
"""
|
|
Copy public, non-method attributes from source to dest, and return dest.
|
|
"""
|
|
for attr in [attr for attr in dir(source)
|
|
if not attr.startswith('_') and not inspect.ismethod(attr)]:
|
|
setattr(dest, attr, getattr(source, attr))
|
|
return dest
|
|
|
|
|
|
class ResourceMixin(object):
|
|
"""
|
|
Clone Django's `View.as_view()` behaviour *except* using REST framework's
|
|
'method -> action' binding for resources.
|
|
"""
|
|
|
|
@classonlymethod
|
|
def as_view(cls, actions, **initkwargs):
|
|
"""
|
|
Main entry point for a request-response process.
|
|
"""
|
|
# sanitize keyword arguments
|
|
for key in initkwargs:
|
|
if key in cls.http_method_names:
|
|
raise TypeError("You tried to pass in the %s method name as a "
|
|
"keyword argument to %s(). Don't do that."
|
|
% (key, cls.__name__))
|
|
if not hasattr(cls, key):
|
|
raise TypeError("%s() received an invalid keyword %r" % (
|
|
cls.__name__, key))
|
|
|
|
def view(request, *args, **kwargs):
|
|
self = cls(**initkwargs)
|
|
|
|
# Bind methods to actions
|
|
for method, action in actions.items():
|
|
handler = getattr(self, action)
|
|
setattr(self, method, handler)
|
|
|
|
# As you were, solider.
|
|
if hasattr(self, 'get') and not hasattr(self, 'head'):
|
|
self.head = self.get
|
|
return self.dispatch(request, *args, **kwargs)
|
|
|
|
# take name and docstring from class
|
|
update_wrapper(view, cls, updated=())
|
|
|
|
# and possible attributes set by decorators
|
|
# like csrf_exempt from dispatch
|
|
update_wrapper(view, cls.dispatch, assigned=())
|
|
return view
|
|
|
|
|
|
class Resource(ResourceMixin, views.APIView):
|
|
pass
|
|
|
|
|
|
class ModelResource(ResourceMixin, views.APIView):
|
|
root_class = generics.RootAPIView
|
|
detail_class = generics.InstanceAPIView
|
|
|
|
def root_view(self):
|
|
return wrapped(self, self.root_class())
|
|
|
|
def detail_view(self):
|
|
return wrapped(self, self.detail_class())
|
|
|
|
def list(self, request, *args, **kwargs):
|
|
return self.root_view().list(request, args, kwargs)
|
|
|
|
def create(self, request, *args, **kwargs):
|
|
return self.root_view().create(request, args, kwargs)
|
|
|
|
def retrieve(self, request, *args, **kwargs):
|
|
return self.detail_view().retrieve(request, args, kwargs)
|
|
|
|
def update(self, request, *args, **kwargs):
|
|
return self.detail_view().update(request, args, kwargs)
|
|
|
|
def destroy(self, request, *args, **kwargs):
|
|
return self.detail_view().destroy(request, args, kwargs)
|