class BaseDetailView

from django.views.generic.detail import BaseDetailView

Attributes

  Defined in
context_object_name = None SingleObjectMixin
http_method_names = ['get', 'post', 'put', 'delete', 'head', 'options', 'trace'] View
model = None SingleObjectMixin
queryset = None SingleObjectMixin
slug_field = 'slug' SingleObjectMixin
Expand Collapse

Methods

def __init__(self, **kwargs): View

Constructor. Called in the URLconf; can contain helpful extra
keyword arguments, and other things.
20
21
22
23
24
25
26
27
28
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

Main entry point for a request-response process.
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
@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)
        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 dispatch(self, request, *args, **kwargs): View

57
58
59
60
61
62
63
64
65
66
67
68
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, **kwargs): BaseDetailView

 97
 98
 99
100
def get(self, request, **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

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

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

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('pk', None)
    slug = self.kwargs.get('slug', 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

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

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 http_method_not_allowed(self, request, *args, **kwargs): View

70
71
72
73
74
75
76
77
78
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)