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o �h�f � @ s d dl Z d dlmZ d dlmZ d dlmZ d dlmZ d dl m Z d dl m Z d dl mZ d d lmZ d d lmZmZ d d lmZmZ G d d � d �ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�Z G dd� dee e�Z G dd� de �Z G dd� dee �Z G d d � d ee �Z G d d � d ee �Z!G d d!� d!eee �Z"G d"d#� d#ee"�Z#G d$d%� d%eee �Z$G d&d'� d'ee$�Z%G d(d)� d)eeee �Z&G d*d+� d+ee&�Z'G d,d-� d-e&�Z(G d.d/� d/ee(�Z)G d0d1� d1eeee e�Z*G d2d3� d3ee*�Z+ 5d<d6d7�Z,d8d9� Z-d:d;� Z.dS )=� N)�settings)�ImproperlyConfigured)�models)�Http404)�timezone)�cached_property)�gettext)�View)�BaseDetailView�!SingleObjectTemplateResponseMixin)�MultipleObjectMixin�#MultipleObjectTemplateResponseMixinc @ �H e Zd ZdZdZdZdd� Zdd� Zdd � Zd d � Z d d � Z dd� Z dS )� YearMixinz-Mixin for views manipulating year-based data.z%YNc C � | j S )zv Get a year format string in strptime syntax to be used to parse the year from url variables. )� year_format��self� r �M/usr/local/CyberCP/lib/python3.10/site-packages/django/views/generic/dates.py�get_year_format � zYearMixin.get_year_formatc C �b | j }|du r/z| jd }W |S ty. z | jjd }W Y |S ty- ttd���w w |S )z8Return the year for which this view should display data.N�yearzNo year specified)r �kwargs�KeyError�request�GETr �_)r r r r r �get_year" � � � ��zYearMixin.get_yearc C � t | |ddd�S )zGet the next valid year.Fr �� is_previous�period��_get_next_prev�r �dater r r � get_next_year/ � zYearMixin.get_next_yearc C r! )z Get the previous valid year.Tr r" r% r' r r r �get_previous_year3 r* zYearMixin.get_previous_yearc C s4 z |j |jd ddd�W S ty ttd���w )�� Return the start date of the next interval. The interval is defined by start date <= item date < next start date. � �r �month�day�Date out of range)�replacer � ValueErrorr r r' r r r �_get_next_year7 s �zYearMixin._get_next_yearc C s |j ddd�S )�.Return the start date of the current interval.r- �r/ r0 �r2 r' r r r �_get_current_yearB s zYearMixin._get_current_year) �__name__� __module__� __qualname__�__doc__r r r r r) r+ r4 r8 r r r r r s r c @ r )� MonthMixinz.Mixin for views manipulating month-based data.z%bNc C r )zx Get a month format string in strptime syntax to be used to parse the month from url variables. )� month_formatr r r r �get_month_formatM r zMonthMixin.get_month_formatc C r )z9Return the month for which this view should display data.Nr/ zNo month specified)r/ r r r r r r )r r/ r r r � get_monthT r zMonthMixin.get_monthc C r! )zGet the next valid month.Fr/ r" r% r' r r r �get_next_montha r* zMonthMixin.get_next_monthc C r! )z Get the previous valid month.Tr/ r" r% r' r r r �get_previous_monthe r* z MonthMixin.get_previous_monthc C sR |j dkr z |j|jd ddd�W S ty ttd���w |j|j d dd�S )r, � r- r. r1 r6 )r/ r2 r r3 r r r' r r r �_get_next_monthi s �zMonthMixin._get_next_monthc C s |j dd�S )z/Return the start date of the previous interval.r- )r0 r7 r' r r r �_get_current_monthw s z MonthMixin._get_current_month) r9 r: r; r< r> r/ r? r@ rA rB rD rE r r r r r= G s r= c @ r )�DayMixinz,Mixin for views manipulating day-based data.z%dNc C r )zt Get a day format string in strptime syntax to be used to parse the day from url variables. )� day_formatr r r r �get_day_format� r zDayMixin.get_day_formatc C r )z7Return the day for which this view should display data.Nr0 zNo day specified)r0 r r r r r r )r r0 r r r �get_day� r zDayMixin.get_dayc C r! )zGet the next valid day.Fr0 r" r% r' r r r � get_next_day� r* zDayMixin.get_next_dayc C r! )zGet the previous valid day.Tr0 r" r% r' r r r �get_previous_day� r* zDayMixin.get_previous_dayc C s |t jdd� S )r, r- ��days)�datetime� timedeltar' r r r � _get_next_day� s zDayMixin._get_next_dayc C s |S �r5 r r' r r r �_get_current_day� s zDayMixin._get_current_day) r9 r: r; r< rG r0 rH rI rJ rK rP rR r r r r rF | s rF c @ sP e Zd ZdZdZdZdd� Zdd� Zdd � Zd d � Z d d � Z dd� Z dd� Z dS )� WeekMixinz-Mixin for views manipulating week-based data.�%UNc C r )zv Get a week format string in strptime syntax to be used to parse the week from url variables. )� week_formatr r r r �get_week_format� r zWeekMixin.get_week_formatc C r )z8Return the week for which this view should display data.N�weekzNo week specified)rW r r r r r r )r rW r r r �get_week� r zWeekMixin.get_weekc C r! )zGet the next valid week.FrW r" r% r' r r r � get_next_week� r* zWeekMixin.get_next_weekc C r! )z Get the previous valid week.TrW r" r% r' r r r �get_previous_week� r* zWeekMixin.get_previous_weekc C s8 z|t jd| �|� d� W S ty ttd���w )r, � rL r1 )rN rO � _get_weekday� OverflowErrorr r r' r r r �_get_next_week� s �zWeekMixin._get_next_weekc C s |t �| �|�� S rQ )rN rO r\ r' r r r �_get_current_week� s zWeekMixin._get_current_weekc C s< | � � }|dv r |�� S |dkr|�� d d S td| ��)z� Return the weekday for a given date. The first day according to the week format is 0 and the last day is 6. > �%V�%WrT r- r[ zunknown week format: %s)rV �weekdayr3 )r r( rU r r r r\ � s zWeekMixin._get_weekday) r9 r: r; r< rU rW rV rX rY rZ r^ r_ r\ r r r r rS � s rS c @ sD e Zd ZdZdZdZdd� Zdd� Zedd � �Z d d � Z d d � Z dS )� DateMixinz3Mixin class for views manipulating date-based data.NFc C s | j du r td| jj ��| j S )z7Get the name of the date field to be used to filter by.Nz%s.date_field is required.)� date_fieldr � __class__r9 r r r r �get_date_field� s �zDateMixin.get_date_fieldc C r )zi Return `True` if the view should be allowed to display objects from the future. )� allow_futurer r r r �get_allow_future� r zDateMixin.get_allow_futurec C s6 | j du r | �� j n| j }|j�| �� �}t|tj�S )zq Return `True` if the date field is a `DateTimeField` and `False` if it's a `DateField`. N)�model� get_queryset�_meta� get_fieldrf � isinstancer � DateTimeField)r ri �fieldr r r �uses_datetime_field s z DateMixin.uses_datetime_fieldc C s, | j rtj�|tjj�}tjrt�|�}|S )z� Convert a date into a datetime when the date field is a DateTimeField. When time zone support is enabled, `date` is assumed to be in the current time zone, so that displayed items are consistent with the URL. ) rp rN �combine�time�minr �USE_TZr � make_aware)r �valuer r r �_make_date_lookup_arg s z DateMixin._make_date_lookup_argc C sJ | � � }| jr!| �|�}| �|tjdd� �}d| |d| |iS ||iS )z� Get the lookup kwargs for filtering on a single date. If the date field is a DateTimeField, we can't just filter on date_field=date because that doesn't take the time into account. r- rL �%s__gte�%s__lt)rf rp rw rN rO )r r( rd �since�untilr r r �_make_single_date_lookup s �z"DateMixin._make_single_date_lookup) r9 r: r; r< rd rg rf rh r rp rw r| r r r r rc � s rc c @ sJ e Zd ZdZdZdZdd� Zdd� Zdd � Zd d � Z d d � Z ddd�Z dS )�BaseDateListViewzFAbstract base class for date-based views displaying a list of objects.Fr c O s6 | � � \| _| _}| jd| j| jd�|��}| �|�S )N)� object_list� date_listr )�get_dated_itemsr r~ �get_context_data�render_to_response)r r �argsr � extra_context�contextr r r �get4 s �� zBaseDateListView.getc C s t d��)z#Obtain the list of dates and items.z>A DateView must provide an implementation of get_dated_items())�NotImplementedErrorr r r r r� ; s �z BaseDateListView.get_dated_itemsc C s | j du r d| �� S | j S )zu Return the field or fields to use for ordering the queryset; use the date field by default. N�-%s)�orderingrf r r r r � get_orderingA s z BaseDateListView.get_orderingc K s� | � � jdi |��}| �� }| �� }| �� }| �|�}|s3| jr$t�� nt � }|jdi d| |i��}|sP|du r<| n|� � }|rPt t d�d|j jji ��|S )zs Get a queryset properly filtered according to `allow_future` and any extra lookup kwargs. �%s__lteN�$No %(verbose_name_plural)s available�verbose_name_pluralr )rj �filterrf rh �get_allow_empty�get_paginate_byrp r �now�timezone_today�existsr r ri rk r� ) r �lookup�qsrd rg � allow_empty� paginate_byr� �is_emptyr r r �get_dated_querysetH s$ ���z#BaseDateListView.get_dated_querysetc C r )zf Get the aggregation period for the list of dates: 'year', 'month', or 'day'. )�date_list_periodr r r r �get_date_list_periode r z%BaseDateListView.get_date_list_periodN�ASCc C sr | � � }| �� }|du r| �� }| jr|�|||�}n|�|||�}|dur7|s7|s7ttd�d|jj j i ��|S )z� Get a date list by calling `queryset.dates/datetimes()`, checking along the way for empty lists that aren't allowed. Nr� r� ) rf r� r� rp � datetimes�datesr r ri rk r� )r �queryset� date_typer� rd r� r r r r � get_date_listl s ���z BaseDateListView.get_date_list)Nr� ) r9 r: r; r< r� r� r� r� r� r� r� r� r r r r r} . s r} c @ � e Zd ZdZdZdd� ZdS )�BaseArchiveIndexViewzQ Base class for archives of date-based items. Requires a response mixin. �latestc C s, | � � }| j|dd�}|s|�� }||i fS )�:Return (date_list, items, extra_context) for this request.�DESC)r� )r� r� �none)r r� r r r r r� � s z$BaseArchiveIndexView.get_dated_itemsN)r9 r: r; r< �context_object_namer� r r r r r� � s r� c @ � e Zd ZdZdZdS )�ArchiveIndexViewz&Top-level archive of date-based items.�_archiveN�r9 r: r; r< �template_name_suffixr r r r r� � � r� c @ s( e Zd ZdZdZdZdd� Zdd� ZdS ) �BaseYearArchiveView�*List of objects published in a given year.r/ Fc C s� | � � }| �� }t|| �� �}| �|�}| �| �|��}d| |d| |i}| jdi |��}| �|�}| �� s;|� � }|||| � |�| � |�d�fS )r� rx ry )r � next_year� previous_yearNr ) r rf �_date_from_stringr rw r4 r� r� �get_make_object_listr� r) r+ ) r r rd r( rz r{ � lookup_kwargsr� r r r r r� � s& � ��z#BaseYearArchiveView.get_dated_itemsc C r )zo Return `True` if this view should contain the full list of objects in the given year. )�make_object_listr r r r r� � r z(BaseYearArchiveView.get_make_object_listN)r9 r: r; r< r� r� r� r� r r r r r� � s r� c @ r� )�YearArchiveViewr� � _archive_yearNr� r r r r r� � r� r� c @ r� )�BaseMonthArchiveView�+List of objects published in a given month.r0 c C s� | � � }| �� }| �� }t|| �� || �� �}| �|�}| �| �|��}d| |d| |i}| jdi |��}| � |�} | ||| � |�| � |�d�fS )r� rx ry )r/ � next_month�previous_monthNr ) r r@ rf r� r r? rw rD r� r� rA rB ) r r r/ rd r( rz r{ r� r� r r r r r� � s( � � ��z$BaseMonthArchiveView.get_dated_itemsN)r9 r: r; r< r� r� r r r r r� � s r� c @ r� )�MonthArchiveViewr� �_archive_monthNr� r r r r r� � r� r� c @ � e Zd ZdZdd� ZdS )�BaseWeekArchiveView�*List of objects published in a given week.c C s� | � � }| �� }| �� }| �� }dddd�}z|| }W n ty0 td|d�t|��f ��w | �� }|dkrE|dkrEtd||f ��t |||d ||�}| � |�} | � | � |��} d | | d | | i} | j di | ��} d | || � |�| �|�d �fS )r� �1�0)ra rT r` z'Unknown week format %r. Choices are: %sz, r` z%GzeISO week directive '%s' is incompatible with the year directive '%s'. Use the ISO year '%%G' instead.z%wrx ry N)rW � next_week� previous_weekr )r rX rf rV r r3 �join�sortedr r� rw r^ r� rY rZ ) r r rW rd rU � week_choices� week_startr r( rz r{ r� r� r r r r� � sN ������� ���z#BaseWeekArchiveView.get_dated_itemsN�r9 r: r; r< r� r r r r r� � � r� c @ r� )�WeekArchiveViewr� � _archive_weekNr� r r r r r� / r� r� c @ s e Zd ZdZdd� Zdd� ZdS )�BaseDayArchiveView�)List of objects published on a given day.c C s@ | � � }| �� }| �� }t|| �� || �� || �� �}| �|�S �r� )r r@ rI r� r r? rH �_get_dated_items)r r r/ r0 r( r r r r� 8 s � z"BaseDayArchiveView.get_dated_itemsc C sH | � |�}| jdi |��}d||| �|�| �|�| �|�| �|�d�fS )z� Do the actual heavy lifting of getting the dated items; this accepts a date object so that TodayArchiveView can be trivial. N)r0 � previous_day�next_dayr� r� r )r| r� rK rJ rB rA )r r( r� r� r r r r� I s ��z#BaseDayArchiveView._get_dated_itemsN)r9 r: r; r< r� r� r r r r r� 5 s r� c @ r� )�DayArchiveViewr� � _archive_dayNr� r r r r r� ^ r� r� c @ r� )�BaseTodayArchiveView� List of objects published today.c C s | � tj�� �S r� )r� rN r( �todayr r r r r� g r* z$BaseTodayArchiveView.get_dated_itemsNr� r r r r r� d r� r� c @ r� )�TodayArchiveViewr� r� Nr� r r r r r� l r� r� c s" e Zd ZdZd� fdd� Z� ZS )�BaseDateDetailView�� 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. Nc s� | � � }| �� }| �� }t|| �� || �� || �� �}|du r#| �� n|}| �� s@|t j � � kr@t t d�|jjj| jjd� ��| �|�}|jdi |��}t� j|d�S )z%Get the object this request displays.NzZFuture %(verbose_name_plural)s not available because %(class_name)s.allow_future is False.)r� � class_name)r� r )r r@ rI r� r r? rH rj rh rN r( r� r r ri rk r� re r9 r| r� �super� get_object)r r� r r/ r0 r( r� r� �re r r r� x s2 � ���� z BaseDateDetailView.get_object)N)r9 r: r; r< r� � __classcell__r r r� r r� r s r� c @ r� )�DateDetailViewr� �_detailNr� r r r r r� � s r� � �__c C sn || | | | }t | �| t |� | t |� }z tj�||��� W S ty6 ttd�||d� ��w )z� Get a datetime.date object given a format string and a year, month, and day (only year is mandatory). Raise a 404 for an invalid date. uC Invalid date string “%(datestr)s” given format “%(format)s”)�datestr�format)�strrN �strptimer( r3 r r ) r r r/ r> r0 rG �delimr� r� r r r r� � s ����r� c C sB | � � }| �� }| �� }t| d| �}t| d| �}||�||�} } |r?|r2|| tjdd� �} n| } |s;| t� kr=| S dS |rOd| | �| �i} d| } n d| | �| �i} |} |sm| jrdt � � }nt� }|| d | < | � � j d i | ��� | �}z t|d |�} W n ty� Y dS w | jr�tjr�t �| �} | �� } || �S ) aV Get the next or the previous valid date. The idea is to allow links on month/day views to never be 404s by never providing a date that'll be invalid for the given view. This is a bit complicated since it handles different intervals of time, hence the coupling to generic_view. However in essence the logic comes down to: * If allow_empty and allow_future are both true, this is easy: just return the naive result (just the next/previous day/week/month, regardless of object existence.) * If allow_empty is true, allow_future is false, and the naive result isn't in the future, then return it; otherwise return None. * If allow_empty is false and allow_future is true, return the next date *that contains a valid object*, even if it's in the future. If there are no next objects, return None. * If allow_empty is false and allow_future is false, return the next date that contains a valid object. If that date is in the future, or if there are no next objects, return None. z_get_current_%sz _get_next_%sr- rL Nry r� rx r� r r )rf r� rh �getattrrN rO r� rw rp r r� rj r� �order_by� IndexErrorr rt � localtimer( )� generic_viewr( r# r$ rd r� rg � get_current�get_next�start�end�resultr� r� r� r� r r r r& � sD � r& c C s t jrt�� S tj�� S )z1Return the current date in the current time zone.)r rt r � localdaterN r( r� r r r r r� s r� )r� r� r� r� r� )/rN � django.confr �django.core.exceptionsr � django.dbr � django.httpr � django.utilsr �django.utils.functionalr �django.utils.translationr r �django.views.generic.baser �django.views.generic.detailr r �django.views.generic.listr r r r= rF rS rc r} r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r& r� r r r r �<module> sF 25/@CW.$4), � Z
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