Django: django-admin-lightweight-date-hierarchy to show today objects - django

Question

I'm trying to use this django package:
https://github.com/hakib/django-admin-lightweight-date-hierarchy
to filter the objects by created dates.
But now I want to display today's created objects by default and if no date is selected. Otherwise and after selecting any date this should display the objects for the selected date.
class Test(models.Model):
full_name = models.CharField(max_length=200)
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
deleted_at = models.DateTimeField(null=True, blank=True)
#admin.register(Test)
class MyModelAdmin(admin.ModelAdmin):
date_hierarchy = 'created_at'
date_hierarchy_drilldown = False
list_filter = (
RangeBasedDateHierarchyListFilter,
)
def get_queryset(self, request):
qs = super(ShareAdmin, self).get_queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(owner=request.user)
def get_date_hierarchy_drilldown(self, year_lookup, month_lookup):
"""Drill-down only on past dates."""
today = timezone.now().date()
if year_lookup is None and month_lookup is None:
# Past 3 years.
return (
datetime.date(y, 1, 1)
for y in range(today.year - 2, today.year + 1)
)
elif year_lookup is not None and month_lookup is None:
# Past months of selected year.
this_month = today.replace(day=1)
return (
month for month in (
datetime.date(int(year_lookup), month, 1)
for month in range(1, 13)
) if month <= this_month
)
elif year_lookup is not None and month_lookup is not None:
# Past days of selected month.
days_in_month = calendar.monthrange(year_lookup, month_lookup)[1]
return (
day for day in (
datetime.date(year_lookup, month_lookup, i + 1)
for i in range(days_in_month)
) if day <= today
)