add View.head() method at runtime (should fix AttributeError: object has no attribute 'get')

This commit is contained in:
Max Arnold 2012-07-12 22:40:24 +07:00
parent e53c819cc7
commit 36686cad13

View File

@ -68,12 +68,41 @@ except ImportError:
# django.views.generic.View (Django >= 1.3)
try:
from django.views.generic import View
from django.utils.decorators import classonlymethod
from django.utils.functional import update_wrapper
if not hasattr(View, 'head'):
# First implementation of Django class-based views did not include head method
# in base View class - https://code.djangoproject.com/ticket/15668
class ViewPlusHead(View):
def head(self, request, *args, **kwargs):
return self.get(request, *args, **kwargs)
@classonlymethod
def as_view(cls, **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(u"You tried to pass in the %s method name as a "
u"keyword argument to %s(). Don't do that."
% (key, cls.__name__))
if not hasattr(cls, key):
raise TypeError(u"%s() received an invalid keyword %r" % (
cls.__name__, key))
def view(request, *args, **kwargs):
self = cls(**initkwargs)
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
View = ViewPlusHead
except ImportError:
@ -121,6 +150,8 @@ except ImportError:
def view(request, *args, **kwargs):
self = cls(**initkwargs)
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