first version finished

django/views/generic/dates.pyi

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+from datetime import date
+from django.core.handlers.wsgi import WSGIRequest
+from django.db.models.base import Model
+from django.db.models.query import QuerySet
+from django.template.response import TemplateResponse
+from django.views.generic.list import MultipleObjectTemplateResponseMixin
+from typing import (
+    Any,
+    Dict,
+    Optional,
+    Tuple,
+    Union,
+)
+
+
+def _date_from_string(
+    year: int,
+    year_format: str,
+    month: str = ...,
+    month_format: str = ...,
+    day: Union[str, int] = ...,
+    day_format: str = ...,
+    delim: str = ...
+) -> date: ...
+
+
+def _get_next_prev(
+    generic_view: MultipleObjectTemplateResponseMixin,
+    date: date,
+    is_previous: bool,
+    period: str
+) -> Optional[date]: ...
+
+
+def timezone_today() -> date: ...
+
+
+class BaseArchiveIndexView:
+    def get_dated_items(self) -> Tuple[QuerySet, QuerySet, Dict[Any, Any]]: ...
+
+
+class BaseDateDetailView:
+    def get_object(self, queryset: Optional[QuerySet] = ...) -> Model: ...
+
+
+class BaseDateListView:
+    def get(
+        self,
+        request: WSGIRequest,
+        *args,
+        **kwargs
+    ) -> TemplateResponse: ...
+    def get_date_list(
+        self,
+        queryset: QuerySet,
+        date_type: None = ...,
+        ordering: str = ...
+    ) -> QuerySet: ...
+    def get_date_list_period(self) -> str: ...
+    def get_dated_queryset(self, **lookup) -> QuerySet: ...
+    def get_ordering(self) -> Union[str, Tuple[str, str]]: ...
+
+
+class BaseDayArchiveView:
+    def _get_dated_items(
+        self,
+        date: date
+    ) -> Union[Tuple[None, QuerySet, Dict[str, Union[date, None]]], Tuple[None, QuerySet, Dict[str, date]]]: ...
+    def get_dated_items(
+        self
+    ) -> Union[Tuple[None, QuerySet, Dict[str, Union[date, None]]], Tuple[None, QuerySet, Dict[str, date]]]: ...
+
+
+class BaseMonthArchiveView:
+    def get_dated_items(
+        self
+    ) -> Union[Tuple[QuerySet, QuerySet, Dict[str, Union[date, None]]], Tuple[QuerySet, QuerySet, Dict[str, date]]]: ...
+
+
+class BaseTodayArchiveView:
+    def get_dated_items(self): ...
+
+
+class BaseWeekArchiveView:
+    def get_dated_items(self) -> Tuple[None, QuerySet, Dict[str, date]]: ...
+
+
+class BaseYearArchiveView:
+    def get_dated_items(
+        self
+    ) -> Union[Tuple[QuerySet, QuerySet, Dict[str, Union[date, None]]], Tuple[QuerySet, QuerySet, Dict[str, date]]]: ...
+    def get_make_object_list(self) -> bool: ...
+
+
+class DateMixin:
+    def _make_date_lookup_arg(self, value: date) -> date: ...
+    def _make_single_date_lookup(self, date: date) -> Dict[str, date]: ...
+    def get_allow_future(self) -> bool: ...
+    def get_date_field(self) -> str: ...
+    @cached_property
+    def uses_datetime_field(self) -> bool: ...
+
+
+class DayMixin:
+    def _get_current_day(self, date: date) -> date: ...
+    def _get_next_day(self, date: date) -> date: ...
+    def get_day(self) -> int: ...
+    def get_day_format(self) -> str: ...
+    def get_next_day(self, date: date) -> None: ...
+    def get_previous_day(self, date: date) -> date: ...
+
+
+class MonthMixin:
+    def _get_current_month(self, date: date) -> date: ...
+    def _get_next_month(self, date: date) -> date: ...
+    def get_month(self) -> Union[str, int]: ...
+    def get_month_format(self) -> str: ...
+    def get_next_month(self, date: date) -> Optional[date]: ...
+    def get_previous_month(self, date: date) -> Optional[date]: ...
+
+
+class WeekMixin:
+    def _get_current_week(self, date: date) -> date: ...
+    def _get_next_week(self, date: date) -> date: ...
+    def _get_weekday(self, date: date) -> int: ...
+    def get_next_week(self, date: date) -> Optional[date]: ...
+    def get_previous_week(self, date: date) -> Optional[date]: ...
+    def get_week(self) -> int: ...
+    def get_week_format(self) -> str: ...
+
+
+class YearMixin:
+    def _get_current_year(self, date: date) -> date: ...
+    def _get_next_year(self, date: date) -> date: ...
+    def get_next_year(self, date: date) -> Optional[date]: ...
+    def get_previous_year(self, date: date) -> Optional[date]: ...
+    def get_year(self) -> int: ...
+    def get_year_format(self) -> str: ...