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Merge pull request #229 from max-arnold/228-runtime-head
add View.head() method at runtime (issue #228)
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commit
21b5601d3b
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@ -65,15 +65,45 @@ except ImportError:
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environ.update(request)
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return WSGIRequest(environ)
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# django.views.generic.View (Django >= 1.3)
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# django.views.generic.View (1.3 <= Django < 1.4)
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try:
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from django.views.generic import View
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if not hasattr(View, 'head'):
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if django.VERSION < (1, 4):
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from django.utils.decorators import classonlymethod
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from django.utils.functional import update_wrapper
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# First implementation of Django class-based views did not include head method
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# in base View class - https://code.djangoproject.com/ticket/15668
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class ViewPlusHead(View):
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def head(self, request, *args, **kwargs):
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return self.get(request, *args, **kwargs)
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@classonlymethod
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def as_view(cls, **initkwargs):
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"""
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Main entry point for a request-response process.
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"""
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# sanitize keyword arguments
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for key in initkwargs:
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if key in cls.http_method_names:
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raise TypeError(u"You tried to pass in the %s method name as a "
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u"keyword argument to %s(). Don't do that."
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% (key, cls.__name__))
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if not hasattr(cls, key):
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raise TypeError(u"%s() received an invalid keyword %r" % (
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cls.__name__, key))
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def view(request, *args, **kwargs):
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self = cls(**initkwargs)
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if hasattr(self, 'get') and not hasattr(self, 'head'):
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self.head = self.get
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return self.dispatch(request, *args, **kwargs)
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# take name and docstring from class
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update_wrapper(view, cls, updated=())
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# and possible attributes set by decorators
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# like csrf_exempt from dispatch
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update_wrapper(view, cls.dispatch, assigned=())
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return view
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View = ViewPlusHead
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except ImportError:
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@ -121,6 +151,8 @@ except ImportError:
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def view(request, *args, **kwargs):
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self = cls(**initkwargs)
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if hasattr(self, 'get') and not hasattr(self, 'head'):
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self.head = self.get
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return self.dispatch(request, *args, **kwargs)
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# take name and docstring from class
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@ -154,9 +186,6 @@ except ImportError:
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#)
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return http.HttpResponseNotAllowed(allowed_methods)
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def head(self, request, *args, **kwargs):
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return self.get(request, *args, **kwargs)
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# PUT, DELETE do not require CSRF until 1.4. They should. Make it better.
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if django.VERSION >= (1, 4):
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from django.middleware.csrf import CsrfViewMiddleware
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