class DateDetailView
from django.views.generic import DateDetailView
Detail view of a single object on a single date; this differs from the standard DetailView by accepting a year/month/day in the URL.
Ancestors (MRO)
Attributes
Defined in | |
---|---|
allow_future = False
|
DateMixin |
context_object_name = None
|
SingleObjectMixin |
date_field = None
|
DateMixin |
day = None
|
DayMixin |
day_format = '%d'
|
DayMixin |
http_method_names = ['get', 'post', 'put', 'delete', 'head', 'options', 'trace']
|
View |
model = None
|
SingleObjectMixin |
month = None
|
MonthMixin |
month_format = '%b'
|
MonthMixin |
queryset = None
|
SingleObjectMixin |
response_class = <class 'django.template.response.TemplateResponse'>
|
TemplateResponseMixin |
slug_field = 'slug'
|
SingleObjectMixin |
template_name = None
|
TemplateResponseMixin |
template_name_field = None
|
SingleObjectTemplateResponseMixin |
template_name_suffix = '_detail'
|
SingleObjectTemplateResponseMixin |
year = None
|
YearMixin |
year_format = '%Y'
|
YearMixin |
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.
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
¶
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
¶
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
¶
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_allow_future(self):
DateMixin
¶
def
get_allow_future(self):
DateMixin
¶
Returns `True` if the view should be allowed to display objects from the future.
157 158 159 160 161 162 | def get_allow_future(self):
"""
Returns `True` if the view should be allowed to display objects from
the future.
"""
return self.allow_future
|
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_date_field(self):
DateMixin
¶
def
get_date_field(self):
DateMixin
¶
Get the name of the date field to be used to filter by.
149 150 151 152 153 154 155 | def get_date_field(self):
"""
Get the name of the date field to be used to filter by.
"""
if self.date_field is None:
raise ImproperlyConfigured(u"%s.date_field is required." % self.__class__.__name__)
return self.date_field
|
def
get_day(self):
DayMixin
¶
def
get_day(self):
DayMixin
¶
Return the day for which this view should display data
89 90 91 92 93 94 95 96 97 98 99 100 | def get_day(self):
"Return the day for which this view should display data"
day = self.day
if day is None:
try:
day = self.kwargs['day']
except KeyError:
try:
day = self.request.GET['day']
except KeyError:
raise Http404(_(u"No day specified"))
return day
|
def
get_day_format(self):
DayMixin
¶
def
get_day_format(self):
DayMixin
¶
Get a day format string in strptime syntax to be used to parse the day from url variables.
82 83 84 85 86 87 | def get_day_format(self):
"""
Get a day format string in strptime syntax to be used to parse the day
from url variables.
"""
return self.day_format
|
def
get_month(self):
MonthMixin
¶
def
get_month(self):
MonthMixin
¶
Return the month for which this view should display data
48 49 50 51 52 53 54 55 56 57 58 59 | def get_month(self):
"Return the month for which this view should display data"
month = self.month
if month is None:
try:
month = self.kwargs['month']
except KeyError:
try:
month = self.request.GET['month']
except KeyError:
raise Http404(_(u"No month specified"))
return month
|
def
get_month_format(self):
MonthMixin
¶
def
get_month_format(self):
MonthMixin
¶
Get a month format string in strptime syntax to be used to parse the month from url variables.
41 42 43 44 45 46 | def get_month_format(self):
"""
Get a month format string in strptime syntax to be used to parse the
month from url variables.
"""
return self.month_format
|
def
get_next_day(self, date):
DayMixin
¶
def
get_next_day(self, date):
DayMixin
¶
Get the next valid day.
102 103 104 105 106 107 | def get_next_day(self, date):
"""
Get the next valid day.
"""
next = date + datetime.timedelta(days=1)
return _get_next_prev_month(self, next, is_previous=False, use_first_day=False)
|
def
get_next_month(self, date):
MonthMixin
¶
def
get_next_month(self, date):
MonthMixin
¶
Get the next valid month.
61 62 63 64 65 66 67 | def get_next_month(self, date):
"""
Get the next valid month.
"""
first_day, last_day = _month_bounds(date)
next = (last_day + datetime.timedelta(days=1)).replace(day=1)
return _get_next_prev_month(self, next, is_previous=False, use_first_day=True)
|
def
get_object(self, queryset=None):
¶
def
get_object(self, queryset=None):
¶
BaseDateDetailView
Get the object this request displays.
452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 | def get_object(self, queryset=None):
"""
Get the object this request displays.
"""
year = self.get_year()
month = self.get_month()
day = self.get_day()
date = _date_from_string(year, self.get_year_format(),
month, self.get_month_format(),
day, self.get_day_format())
qs = self.get_queryset()
if not self.get_allow_future() and date > datetime.date.today():
raise Http404(_(u"Future %(verbose_name_plural)s not available because %(class_name)s.allow_future is False.") % {
'verbose_name_plural': qs.model._meta.verbose_name_plural,
'class_name': self.__class__.__name__,
})
# Filter down a queryset from self.queryset using the date from the
# URL. This'll get passed as the queryset to DetailView.get_object,
# which'll handle the 404
date_field = self.get_date_field()
field = qs.model._meta.get_field(date_field)
lookup = _date_lookup_for_field(field, date)
qs = qs.filter(**lookup)
return super(BaseDetailView, self).get_object(queryset=qs)
|
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_previous_day(self, date):
DayMixin
¶
def
get_previous_day(self, date):
DayMixin
¶
Get the previous valid day.
109 110 111 112 113 114 | def get_previous_day(self, date):
"""
Get the previous valid day.
"""
prev = date - datetime.timedelta(days=1)
return _get_next_prev_month(self, prev, is_previous=True, use_first_day=False)
|
def
get_previous_month(self, date):
MonthMixin
¶
def
get_previous_month(self, date):
MonthMixin
¶
Get the previous valid month.
69 70 71 72 73 74 75 | def get_previous_month(self, date):
"""
Get the previous valid month.
"""
first_day, last_day = _month_bounds(date)
prev = (first_day - datetime.timedelta(days=1))
return _get_next_prev_month(self, prev, is_previous=True, use_first_day=True)
|
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_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.
99 100 101 102 103 104 105 106 107 108 109 | 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
get_year(self):
YearMixin
¶
def
get_year(self):
YearMixin
¶
Return the year for which this view should display data
23 24 25 26 27 28 29 30 31 32 33 34 | def get_year(self):
"Return the year for which this view should display data"
year = self.year
if year is None:
try:
year = self.kwargs['year']
except KeyError:
try:
year = self.request.GET['year']
except KeyError:
raise Http404(_(u"No year specified"))
return year
|
def
get_year_format(self):
YearMixin
¶
def
get_year_format(self):
YearMixin
¶
Get a year format string in strptime syntax to be used to parse the year from url variables.
16 17 18 19 20 21 | def get_year_format(self):
"""
Get a year format string in strptime syntax to be used to parse the
year from url variables.
"""
return self.year_format
|
def
http_method_not_allowed(self, request, *args, **kwargs):
View
¶
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)
|
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.
88 89 90 91 92 93 94 95 96 97 | 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
)
|