class DeleteView
from django.views.generic import DeleteView
View for deleting an object retrieved with `self.get_object()`, with a response rendered by template.
Ancestors (MRO)
Attributes
Defined in | |
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context_object_name = None
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SingleObjectMixin |
http_method_names = ['get', 'post', 'put', 'delete', 'head', 'options', 'trace']
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View |
model = None
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SingleObjectMixin |
pk_url_kwarg = 'pk'
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SingleObjectMixin |
queryset = None
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SingleObjectMixin |
response_class = <class 'django.template.response.TemplateResponse'>
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TemplateResponseMixin |
slug_field = 'slug'
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SingleObjectMixin |
slug_url_kwarg = 'slug'
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SingleObjectMixin |
success_url = None
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DeletionMixin |
template_name = None
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TemplateResponseMixin |
template_name_field = None
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SingleObjectTemplateResponseMixin |
template_name_suffix = '_detail'
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SingleObjectTemplateResponseMixin |
template_name_suffix = '_confirm_delete'
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DeleteView |
Methods
def
__init__(self, **kwargs):
View
¶
def
__init__(self, **kwargs):
View
¶
Constructor. Called in the URLconf; can contain helpful extra keyword arguments, and other things.
19 20 21 22 23 24 25 26 27 | def __init__(self, **kwargs):
"""
Constructor. Called in the URLconf; can contain helpful extra
keyword arguments, and other things.
"""
# Go through keyword arguments, and either save their values to our
# instance, or raise an error.
for key, value in kwargs.iteritems():
setattr(self, key, value)
|
def
as_view(cls, **initkwargs):
View
¶
def
as_view(cls, **initkwargs):
View
¶
Main entry point for a request-response process.
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 | @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
|
def
delete(self, request, *args, **kwargs):
DeletionMixin
¶
def
delete(self, request, *args, **kwargs):
DeletionMixin
¶
212 213 214 215 | def delete(self, request, *args, **kwargs):
self.object = self.get_object()
self.object.delete()
return HttpResponseRedirect(self.get_success_url())
|
def
dispatch(self, request, *args, **kwargs):
View
¶
def
dispatch(self, request, *args, **kwargs):
View
¶
58 59 60 61 62 63 64 65 66 67 68 69 | def dispatch(self, request, *args, **kwargs):
# Try to dispatch to the right method; if a method doesn't exist,
# defer to the error handler. Also defer to the error handler if the
# request method isn't on the approved list.
if request.method.lower() in self.http_method_names:
handler = getattr(self, request.method.lower(), self.http_method_not_allowed)
else:
handler = self.http_method_not_allowed
self.request = request
self.args = args
self.kwargs = kwargs
return handler(request, *args, **kwargs)
|
def
get(self, request, *args, **kwargs):
BaseDetailView
¶
def
get(self, request, *args, **kwargs):
BaseDetailView
¶
97 98 99 100 | def get(self, request, *args, **kwargs):
self.object = self.get_object()
context = self.get_context_data(object=self.object)
return self.render_to_response(context)
|
def
get_context_data(self, **kwargs):
SingleObjectMixin
¶
def
get_context_data(self, **kwargs):
SingleObjectMixin
¶
88 89 90 91 92 93 | def get_context_data(self, **kwargs):
context = kwargs
context_object_name = self.get_context_object_name(self.object)
if context_object_name:
context[context_object_name] = self.object
return context
|
def
get_context_object_name(self, obj):
SingleObjectMixin
¶
def
get_context_object_name(self, obj):
SingleObjectMixin
¶
Get the name to use for the object.
77 78 79 80 81 82 83 84 85 86 | def get_context_object_name(self, obj):
"""
Get the name to use for the object.
"""
if self.context_object_name:
return self.context_object_name
elif hasattr(obj, '_meta'):
return smart_str(obj._meta.object_name.lower())
else:
return None
|
def
get_object(self, queryset=None):
SingleObjectMixin
¶
def
get_object(self, queryset=None):
SingleObjectMixin
¶
Returns the object the view is displaying. By default this requires `self.queryset` and a `pk` or `slug` argument in the URLconf, but subclasses can override this to return any object.
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 | def get_object(self, queryset=None):
"""
Returns the object the view is displaying.
By default this requires `self.queryset` and a `pk` or `slug` argument
in the URLconf, but subclasses can override this to return any object.
"""
# Use a custom queryset if provided; this is required for subclasses
# like DateDetailView
if queryset is None:
queryset = self.get_queryset()
# Next, try looking up by primary key.
pk = self.kwargs.get(self.pk_url_kwarg, None)
slug = self.kwargs.get(self.slug_url_kwarg, None)
if pk is not None:
queryset = queryset.filter(pk=pk)
# Next, try looking up by slug.
elif slug is not None:
slug_field = self.get_slug_field()
queryset = queryset.filter(**{slug_field: slug})
# If none of those are defined, it's an error.
else:
raise AttributeError(u"Generic detail view %s must be called with "
u"either an object pk or a slug."
% self.__class__.__name__)
try:
obj = queryset.get()
except ObjectDoesNotExist:
raise Http404(_(u"No %(verbose_name)s found matching the query") %
{'verbose_name': queryset.model._meta.verbose_name})
return obj
|
def
get_queryset(self):
SingleObjectMixin
¶
def
get_queryset(self):
SingleObjectMixin
¶
Get the queryset to look an object up against. May not be called if `get_object` is overridden.
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | def get_queryset(self):
"""
Get the queryset to look an object up against. May not be called if
`get_object` is overridden.
"""
if self.queryset is None:
if self.model:
return self.model._default_manager.all()
else:
raise ImproperlyConfigured(u"%(cls)s is missing a queryset. Define "
u"%(cls)s.model, %(cls)s.queryset, or override "
u"%(cls)s.get_object()." % {
'cls': self.__class__.__name__
})
return self.queryset._clone()
|
def
get_slug_field(self):
SingleObjectMixin
¶
def
get_slug_field(self):
SingleObjectMixin
¶
Get the name of a slug field to be used to look up by slug.
71 72 73 74 75 | def get_slug_field(self):
"""
Get the name of a slug field to be used to look up by slug.
"""
return self.slug_field
|
def
get_success_url(self):
DeletionMixin
¶
def
get_success_url(self):
DeletionMixin
¶
221 222 223 224 225 226 | def get_success_url(self):
if self.success_url:
return self.success_url
else:
raise ImproperlyConfigured(
"No URL to redirect to. Provide a success_url.")
|
def
get_template_names(self):
¶
def
get_template_names(self):
¶
SingleObjectTemplateResponseMixin
Return a list of template names to be used for the request. Must return a list. May not be called if get_template is overridden.
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | def get_template_names(self):
"""
Return a list of template names to be used for the request. Must return
a list. May not be called if get_template is overridden.
"""
try:
names = super(SingleObjectTemplateResponseMixin, self).get_template_names()
except ImproperlyConfigured:
# If template_name isn't specified, it's not a problem --
# we just start with an empty list.
names = []
# If self.template_name_field is set, grab the value of the field
# of that name from the object; this is the most specific template
# name, if given.
if self.object and self.template_name_field:
name = getattr(self.object, self.template_name_field, None)
if name:
names.insert(0, name)
# The least-specific option is the default <app>/<model>_detail.html;
# only use this if the object in question is a model.
if hasattr(self.object, '_meta'):
names.append("%s/%s%s.html" % (
self.object._meta.app_label,
self.object._meta.object_name.lower(),
self.template_name_suffix
))
elif hasattr(self, 'model') and hasattr(self.model, '_meta'):
names.append("%s/%s%s.html" % (
self.model._meta.app_label,
self.model._meta.object_name.lower(),
self.template_name_suffix
))
return names
|
TemplateResponseMixin
Returns a list of template names to be used for the request. Must return a list. May not be called if render_to_response is overridden.
100 101 102 103 104 105 106 107 108 109 110 | def get_template_names(self):
"""
Returns a list of template names to be used for the request. Must return
a list. May not be called if render_to_response is overridden.
"""
if self.template_name is None:
raise ImproperlyConfigured(
"TemplateResponseMixin requires either a definition of "
"'template_name' or an implementation of 'get_template_names()'")
else:
return [self.template_name]
|
def
http_method_not_allowed(self, request, *args, **kwargs):
View
¶
def
http_method_not_allowed(self, request, *args, **kwargs):
View
¶
71 72 73 74 75 76 77 78 79 | def http_method_not_allowed(self, request, *args, **kwargs):
allowed_methods = [m for m in self.http_method_names if hasattr(self, m)]
logger.warning('Method Not Allowed (%s): %s', request.method, request.path,
extra={
'status_code': 405,
'request': self.request
}
)
return http.HttpResponseNotAllowed(allowed_methods)
|
def
post(self, *args, **kwargs):
DeletionMixin
¶
def
post(self, *args, **kwargs):
DeletionMixin
¶
218 219 | def post(self, *args, **kwargs):
return self.delete(*args, **kwargs)
|
def
render_to_response(self, context, **response_kwargs):
TemplateResponseMixin
¶
def
render_to_response(self, context, **response_kwargs):
TemplateResponseMixin
¶
Returns a response with a template rendered with the given context.
89 90 91 92 93 94 95 96 97 98 | def render_to_response(self, context, **response_kwargs):
"""
Returns a response with a template rendered with the given context.
"""
return self.response_class(
request = self.request,
template = self.get_template_names(),
context = context,
**response_kwargs
)
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