如何为django_filters DateRangeFilter函数指定自定义选项?
我正在使用django_filters DateRangeFilter()函数。我的筛选器类如下所示:如何为django_filters DateRangeFilter函数指定自定义选项?,django,django-filters,Django,Django Filters,我正在使用django_filters DateRangeFilter()函数。我的筛选器类如下所示: class ListingFilter(django_filters.FilterSet): ship_docking = django_filters.DateRangeFilter() class Meta: model = Listing fields = ['orig', 'dest', 'ship_sailing', 'ship_doc
class ListingFilter(django_filters.FilterSet):
ship_docking = django_filters.DateRangeFilter()
class Meta:
model = Listing
fields = ['orig', 'dest', 'ship_sailing', 'ship_docking']
我想更改范围的选项-默认选项为今天、昨天、过去7天等。如何指定不同的选项列表
感谢并问候…Paul(Django新手)查看
Django筛选器
和DateRangeFilter
的源代码,我们可以看到在\uuuuu init\uuuuu
上,它检查选项集和筛选器集是否已传入,如果它们为空,则使用默认值
class DateRangeFilter(ChoiceFilter):
choices = [
('today', _('Today')),
('yesterday', _('Yesterday')),
('week', _('Past 7 days')),
('month', _('This month')),
('year', _('This year')),
]
filters = {
'today': lambda qs, name: qs.filter(**{
'%s__year' % name: now().year,
'%s__month' % name: now().month,
'%s__day' % name: now().day
}),
'yesterday': lambda qs, name: qs.filter(**{
'%s__year' % name: (now() - timedelta(days=1)).year,
'%s__month' % name: (now() - timedelta(days=1)).month,
'%s__day' % name: (now() - timedelta(days=1)).day,
}),
'week': lambda qs, name: qs.filter(**{
'%s__gte' % name: _truncate(now() - timedelta(days=7)),
'%s__lt' % name: _truncate(now() + timedelta(days=1)),
}),
'month': lambda qs, name: qs.filter(**{
'%s__year' % name: now().year,
'%s__month' % name: now().month
}),
'year': lambda qs, name: qs.filter(**{
'%s__year' % name: now().year,
}),
}
def __init__(self, choices=None, filters=None, *args, **kwargs):
if choices is not None:
self.choices = choices
if filters is not None:
self.filters = filters
您所要做的就是为您的选择创建一个集合列表,然后复制自定义过滤器的格式,然后:
class ListingFilter(django_filters.FilterSet):
// Put custom choices and filter variables here
choices = [...]
filters = { ... }
ship_docking = django_filters.DateRangeFilter(choices=choices, filters=filters)
class Meta:
model = Listing
fields = ['orig', 'dest', 'ship_sailing', 'ship_docking']
谢谢你,哈本,效果很好。我必须从django_过滤器源代码中复制_truncate函数,但在其他方面没有问题:def _truncate(dt):return dt.date()