Subclass Resource
to create a view that will dispatch based on the HTTP method of the request.
class View(Request):
def DELETE(self, request):
...
def GET(self, request):
...
def PUT(self, request):
...
Other snippets provided inspiration:
The code is also available on GitHub.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | """RESTful Views for Django"""
from django import http
__all__ = ('Resource',)
# http://www.ietf.org/rfc/rfc2616
METHODS = """OPTIONS
GET
HEAD
POST
PUT
DELETE
TRACE
CONNECT""".split()
def _default_HEAD(self, request, *args, **kwargs):
response = self.GET(request, *args, **kwargs)
response.content = ''
return response
class ResourceBase(type):
def __new__(cls, name, bases, attrs):
if 'GET' in attrs:
attrs.setdefault('HEAD', _default_HEAD)
attrs['allow'] = sorted(k for k in attrs if k in METHODS)
return super(ResourceBase, cls).__new__(cls, name, bases, attrs)
class Resource(object):
"""A base class for creating RESTful Django views.
When called, dispatch based on the value of ``request.method``. If
there isn't a handler for the method, return an HTTP 405.
>>> class View(Resource):
... def DELETE(self, request):
... return http.HttpResponse('', status=204)
...
... def GET(self, request):
... return http.HttpResponse('Resource')
>>> request = http.HttpRequest()
>>> view = View()
>>> request.method = 'DELETE'
>>> response = view(request)
>>> response.content
''
>>> response.status_code
204
>>> request.method = 'GET'
>>> response = view(request)
>>> response.content
'Resource'
>>> response.status_code
200
>>> request.method = 'HEAD'
>>> response = view(request)
>>> response.content
''
>>> response.status_code
200
>>> request.method = 'PUT'
>>> response = view(request)
>>> response.content
''
>>> response.status_code
405
>>> response['Allow']
'DELETE, GET, HEAD'
"""
__metaclass__ = ResourceBase
def __call__(self, request, *args, **kwargs):
if request.method not in self.allow:
return http.HttpResponseNotAllowed(self.allow)
return getattr(self, request.method)(request, *args, **kwargs)
|
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