OwlCyberSecurity - MANAGER
Edit File: models.cpython-39.pyc
a ���e�� � @ s8 d Z ddlmZ ddlmZmZmZmZ ddlm Z ddl m Z m Z ddl mZmZ ddlmZmZ ddlmZ dd lmZmZmZmZ dd lmZm Z dd l m Z dd l m Z d Z!dZ"d>dd�Z#d?dd�Z$dd� Z%d@dd�dd�Z&G dd� d�Z'G d d � d e�Z(G d d � d ee �Z)G d d!� d!e)e(d"�Z*e*dddddddddf d#d$�Z+G d%d&� d&ee �Z,e*de,d'd(d(ddddd(dddddd(ddddd(fd)d*�Z-G d+d,� d,e,�Z.dAd-d.�Z/e*e.dddd/d(ddddd(dddddd(ddddd(fd0d1�Z0G d2d3� d3e �Z1G d4d5� d5�Z2G d6d7� d7�Z3G d8d9� d9e �Z4G d:d;� d;e4�Z5d<d=� Z6dS )Bz[ Helper functions for creating Form classes from Django models and database field objects. � )�chain)�NON_FIELD_ERRORS� FieldError�ImproperlyConfigured�ValidationError)� AltersData)� ChoiceField�Field)�BaseForm�DeclarativeFieldsMetaclass)� BaseFormSet�formset_factory)� ErrorList)� HiddenInput�MultipleHiddenInput� RadioSelect�SelectMultiple)�capfirst� get_text_list��gettext)� gettext_lazy) � ModelForm� BaseModelForm� model_to_dict�fields_for_model�ModelChoiceField�ModelMultipleChoiceField� ALL_FIELDS�BaseModelFormSet�modelformset_factory�BaseInlineFormSet�inlineformset_factory�modelform_factory�__all__Nc C s� ddl m} |j}| j}g }|jD ]�}|jr"t||j�s"|j|vrDq"|durX|j|vrXq"|rh|j|v rhq"|� � r�| |j j j � | j | j| �|j��r�|�|j�| |j j jv r�q"t||j�r�|�|� q"|�|||j � q"|D ]}|�|||j � q�|S )z� Construct and return a model instance from the bound ``form``'s ``cleaned_data``, but do not save the returned instance to the database. r )�modelsN)Z django.dbr% �_meta� cleaned_data�fields�editable� isinstance� AutoField�name� has_default�field�widgetZvalue_omitted_from_data�data�files� add_prefix�get� empty_valuesZ FileField�append�save_form_data) �form�instancer( �excluder% �optsr' Zfile_field_list�f� r< �T/home/gouroczh/virtualenv/pat/3.9/lib/python3.9/site-packages/django/forms/models.py�construct_instance. s> � ������ r> c C sh | j }i }t|j|j|j�D ]F}t|dd�s.q |durB|j|vrBq |rR|j|v rRq |�| �||j< q |S )a� Return a dict containing the data in ``instance`` suitable for passing as a Form's ``initial`` keyword argument. ``fields`` is an optional list of field names. If provided, return only the named. ``exclude`` is an optional list of field names. If provided, exclude the named from the returned dict, even if they are listed in the ``fields`` argument. r) FN)r& r �concrete_fields�private_fields� many_to_many�getattrr, Zvalue_from_object)r8 r( r9 r: r0 r; r< r< r= r ^ s r c C s� ddl m}m}m} t| d�r�t| d�r�| �� }|r�|}t||�sP|f i |��}|||d�d�M }| j�|| jj j �|���| _dS )z=Apply limit_choices_to to the formfield's queryset if needed.r )�Exists�OuterRef�Q�queryset�get_limit_choices_to�pk�rH N) �django.db.modelsrC rD rE �hasattrrG r* rF �filter�modelZ _base_manager)� formfieldrC rD rE �limit_choices_toZcomplex_filterr< r< r= �#apply_limit_choices_to_to_formfieldw s �rP T��apply_limit_choices_toc s� i �g �| j } ddlm� � fdd�| jD �} tt| j| | j��D �]�} t| dd�s�|durB| j |v rB�du sx| j �vrBt d| j | j f ��qB|dur�| j |vr�qB�r�| j �v r�qBi }|r�| j |v r�|| j |d < |t ks�|r�| j |v r�d |d < |�r| j |v �r|| j |d < |�r0| j |v �r0|| j |d < |�rP| j |v �rP|| j |d< | �rp| j | v �rp| | j |d< |du �r�| j f i |��}n$t|��s�td��n|| fi |��}|�r�| �r�t|� |�| j < qB��| j � qB|�r����fdd�|D ���S )a4 Return a dictionary containing form fields for the given model. ``fields`` is an optional list of field names. If provided, return only the named fields. ``exclude`` is an optional list of field names. If provided, exclude the named fields from the returned fields, even if they are listed in the ``fields`` argument. ``widgets`` is a dictionary of model field names mapped to a widget. ``formfield_callback`` is a callable that takes a model field and returns a form field. ``localized_fields`` is a list of names of fields which should be localized. ``labels`` is a dictionary of model field names mapped to a label. ``help_texts`` is a dictionary of model field names mapped to a help text. ``error_messages`` is a dictionary of model field names mapped to a dictionary of error messages. ``field_classes`` is a dictionary of model field names mapped to a form field class. ``apply_limit_choices_to`` is a boolean indicating if limit_choices_to should be applied to a field's queryset. r )r c s g | ]}t |� �r|�qS r< )r* ��.0r; )� ModelFieldr< r= � <listcomp>� s z$fields_for_model.<locals>.<listcomp>r) FNzH'%s' cannot be specified for %s model form as it is a non-editable fieldr/ TZlocalize�label� help_text�error_messages� form_classz1formfield_callback must be a function or callablec s, i | ]$}� r|� vr|�vr|�� |��qS r< )r3 rS )r9 � field_dict�ignoredr< r= � <dictcomp>� s �z$fields_for_model.<locals>.<dictcomp>)r& rJ r r@ �sortedr r? rA rB r, r �__name__r rN �callable� TypeErrorrP r5 )rM r( r9 �widgets�formfield_callback�localized_fields�labels� help_textsrY � field_classesrR r: Zsortable_private_fieldsr; �kwargsrN r< )rU r9 r[ r\ r= r � sz , �� ���� ���� �r c @ s e Zd Zddd�ZdS )�ModelFormOptionsNc C s� t |dd �| _t |dd �| _t |dd �| _t |dd �| _t |dd �| _t |dd �| _t |dd �| _t |dd �| _t |d d �| _ t |d d �| _ d S ) NrM r( r9 rb rd re rf rY rg rc ) rB rM r( r9 rb rd re rf rY rg rc )�self�optionsr< r< r= �__init__� s zModelFormOptions.__init__)N)r_ � __module__� __qualname__rl r< r< r< r= ri � s ri c s e Zd Z� fdd�Z� ZS )�ModelFormMetaclassc sD t � �| |||�}|tfkr |S tt|dd �� }|_dD ]:}t||�}t|t�r:|tkr:d|j ||d� }t |��q:|j �r4|j d u r�|j d u r�td| ��|j tkr�d |_ t|j |j |j |j|j|j|j|j|j|jdd� } dd � | �� D �} | �|j�} | �r&d } | d �| �|j j f; } t| ��| � |j� n|j} | |_ |S ) N�Meta)r( r9 rd zP%(model)s.Meta.%(opt)s cannot be a string. Did you mean to type: ('%(value)s',)?)rM �opt�valuez|Creating a ModelForm without either the 'fields' attribute or the 'exclude' attribute is prohibited; form %s needs updating.FrQ c S s h | ]\}}|s|�qS r< r< )rT �k�vr< r< r= � <setcomp>< � z-ModelFormMetaclass.__new__.<locals>.<setcomp>z&Unknown field(s) (%s) specified for %sz, ) �super�__new__r ri rB r& r* �strr r_ ra rM r( r9 r r rb rc rd re rf rY rg �items� differenceZdeclared_fields�joinr �update� base_fields) �mcsr, �bases�attrs� new_classr: rq rr �msgr( Znone_model_fieldsZmissing_fields�message�� __class__r< r= rx s^ ��� �� � zModelFormMetaclass.__new__)r_ rm rn rx � __classcell__r< r< r� r= ro s ro c st e Zd Zdddddedddddf � fdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z ddd�Z de _ � Z S )r N�id_%sFc s� | j } | jd u rtd��| d u r0| �� | _i } n| | _t| | j| j�} |d urX| �|� d| _t � j ||||| |||| | d� | j� � D ] }t |� q�d S )Nz'ModelForm has no model class specified.F)�use_required_attribute�renderer) r& rM � ValueErrorr8 r r( r9 r} �_validate_uniquerw rl �valuesrP )rj r0 r1 �auto_id�prefix�initial� error_classZ label_suffixZempty_permittedr8 r� r� r: Z object_datarN r� r< r= rl N s2 � zBaseModelForm.__init__c C s� t � }| jjjD ]�}|j}|| jvr2|�|j� q| jjrT|| jjvrT|�|j� q| jjrv|| jjv rv|�|j� q|| jv r�|�|j� q| j| }| j� |�}|j s|j s||j v r|�|j� q|S )z� For backwards-compatibility, exclude several types of fields from model validation. See tickets #12507, #12521, #12553. ) �setr8 r& r( r, �addr9 �_errorsr' r3 �blank�requiredr4 )rj r9 r; r. Z form_fieldZ field_valuer< r< r= �_get_validation_exclusions| s* ���z(BaseModelForm._get_validation_exclusionsc C s d| _ | jS )NT)r� r' �rj r< r< r= �clean� s zBaseModelForm.cleanc C s� | j }t|d�r|j}nt|i}|�� D ]p\}}|tkrT|jrTt|jv rT|jt }n|| jv r(| j| j}nq(|D ]$}t|t�rr|j |v rr||j |_ qrq(| � d |� d S )N� error_dict) r& rK r� r rz rY r( r* r �coder� Z add_error)rj �errorsr: r� r. �messagesrY r� r< r< r= �_update_errors� s, ��� ��z BaseModelForm._update_errorsc C s� | j }| �� }| j�� D ] \}}t|t�r|�|� qzt| | j|j|j �| _W n. t y~ } z| � |� W Y d }~n d }~0 0 z| jj |dd� W n. t y� } z| � |� W Y d }~n d }~0 0 | j r�| �� d S )NF)r9 �validate_unique)r& r� r( rz r* �InlineForeignKeyFieldr� r> r8 r9 r r� Z full_cleanr� r� )rj r: r9 r, r. �er< r< r= � _post_clean� s" � zBaseModelForm._post_cleanc C sN | � � }z| jj|d� W n. tyH } z| �|� W Y d}~n d}~0 0 dS )z� Call the instance's validate_unique() method and update the form's validation errors if any were raised. )r9 N)r� r8 r� r r� )rj r9 r� r< r< r= r� � s z BaseModelForm.validate_uniquec C s� | j }| jj}| jj}| jj}t|j|j�D ]N}t|d�s<q,|rL|j |vrLq,|r\|j |v r\q,|j |v r,|� | j||j � q,dS )zS Save the many-to-many fields and generic relations for this form. r6 N) r' r& r9 r( r8 r rA r@ rK r, r6 )rj r' r9 r( r: r; r< r< r= � _save_m2m� s zBaseModelForm._save_m2mTc C sP | j r*td| jjj| jjjr dndf ��|rB| j�� | �� n| j| _ | jS )z� Save this form's self.instance object if commit=True. Otherwise, add a save_m2m() method to the form which can be called after the instance is saved manually at a later time. Return the model instance. z8The %s could not be %s because the data didn't validate.�created�changed) r� r� r8 r& Z object_name�_state�adding�saver� �save_m2m)rj �commitr< r< r= r� s ��� zBaseModelForm.save)T)r_ rm rn r rl r� r� r� r� r� r� r� � alters_datar� r< r< r� r= r M s( �.-! r c @ s e Zd ZdS )r N)r_ rm rn r< r< r< r= r ) s r )� metaclassc C s d| i} |dur|| d< |dur(|| d< |dur8|| d< |durH|| d< |durX|| d< |durh|| d< | durx| | d < | dur�| | d < t |d �r�|jfnd } td | | �} |r�t|�| _| jd }d | i}t| dd�du r�t| dd�du r�td��t|�||f|�S )al Return a ModelForm containing form fields for the given model. You can optionally pass a `form` argument to use as a starting point for constructing the ModelForm. ``fields`` is an optional list of field names. If provided, include only the named fields in the returned fields. If omitted or '__all__', use all fields. ``exclude`` is an optional list of field names. If provided, exclude the named fields from the returned fields, even if they are listed in the ``fields`` argument. ``widgets`` is a dictionary of model field names mapped to a widget. ``localized_fields`` is a list of names of fields which should be localized. ``formfield_callback`` is a callable that takes a model field and returns a form field. ``labels`` is a dictionary of model field names mapped to a label. ``help_texts`` is a dictionary of model field names mapped to a help text. ``error_messages`` is a dictionary of model field names mapped to a dictionary of error messages. ``field_classes`` is a dictionary of model field names mapped to a form field class. rM Nr( r9 rb rd re rf rY rg rp r< ZFormzZCalling modelform_factory without defining 'fields' or 'exclude' explicitly is prohibited.)rK rp �type� staticmethodrc r_ rB r )rM r7 r( r9 rc rb rd re rf rY rg r� r� rp � class_nameZform_class_attrsr< r< r= r# - s8 0 �r# c s� e Zd ZdZdZdZe� Zd+dd�� fdd� Z� fdd �Z d d � Z d d � Z � fdd�Z dd� Z d,dd�Zd-dd�Zd.dd�Zd/dd�Zde_dd � Zd d � Zd d � Zd!d"� Zd#d$� Zd0d%d&�Zd1d'd(�Z� fd)d*�Z� ZS )2r zO A ``FormSet`` for editing a queryset and/or adding new objects to it. NFr� )r� c s0 || _ || _t� jf i ||||d�|��� d S )N)r0 r1 r� r� )rF � initial_extrarw rl )rj r0 r1 r� r� rF r� rh r� r< r= rl � s ���zBaseModelFormSet.__init__c s | j st| �� �S t� �� S )z=Return the number of forms that are required in this FormSet.)�is_bound�len� get_querysetrw �initial_form_countr� r� r< r= r� � s z#BaseModelFormSet.initial_form_countc C s* t | d�s dd� | �� D �| _| j�|�S )N� _object_dictc S s i | ] }|j |�qS r< rI �rT �or< r< r= r] � rv z5BaseModelFormSet._existing_object.<locals>.<dictcomp>)rK r� r� r3 )rj rH r< r< r= �_existing_object� s z!BaseModelFormSet._existing_objectc C s |j dur|j �� }q |jS )z� If the field is a related field, fetch the concrete field's (that is, the ultimate pointed-to field's) to_python. N)� remote_fieldZget_related_field� to_python�rj r. r< r< r= �_get_to_python� s z BaseModelFormSet._get_to_pythonc s || � � k }|r�| jr�d| �|�| jjjjf }z| j| }W n tyP Y q�0 | � | jjj�}z ||�}W n t y� Y q�0 | � |�|d< q�| � � | |d< n4| j r�z| j || � � |d< W n ty� Y n0 t� j|fi |��}|�rd|j| jjjj _|S )Nz%s-%sr8 r� T)r� r� r2 rM r& rH r, r0 �KeyErrorr� r r� r� r� � IndexErrorrw �_construct_formr( r� )rj �irh Z pk_requiredZpk_keyrH r� r7 r� r< r= r� � s0 z BaseModelFormSet._construct_formc C sL t | d�sF| jd ur | j}n | jj�� }|js@|�| jjjj �}|| _ | j S )N� _queryset) rK rF rM �_default_managerr� ZorderedZorder_byr& rH r, r� )rj �qsr< r< r= r� � s z BaseModelFormSet.get_querysetTc C s |j |d�S )z8Save and return a new model instance for the given form.�r� �r� �rj r7 r� r< r< r= �save_new� s zBaseModelFormSet.save_newc C s |j |d�S )z>Save and return an existing model instance for the given form.r� r� )rj r7 r8 r� r< r< r= � save_existing� s z BaseModelFormSet.save_existingc C s |r |� � dS )z#Deletes an existing model instance.N)�delete)rj �objr� r< r< r= �delete_existing� s z BaseModelFormSet.delete_existingc sD |s g � _ � fdd�}|� _� jr,� �|�S � �|�� �|� S dS )z� Save model instances for every form, adding and changing instances as necessary, and return the list of instances. c s � j D ] } | �� qd S �N)� saved_formsr� )r7 r� r< r= r� s z'BaseModelFormSet.save.<locals>.save_m2mN)r� r� � edit_only�save_existing_objects�save_new_objects)rj r� r� r< r� r= r� s zBaseModelFormSet.savec C s | � � d S r� )r� r� r< r< r= r� s zBaseModelFormSet.cleanc s t � }t � }�j��fdd��jD �}|D ]4� � �� }� jj|dd�\}}|�|� |�|� q*g }|D ]�\}} t � } |D ]�� � �fdd�| D �} tdd� | D ��} | rzd | vrz| | v �r|��� | �� �j �� � g�j d�� j t< | D ]} | � jv r� j| = q�| �| � qzqh|D ]�} t � } | \}}} }|D ]�� � j�r.� j| d u�r.� j| d u�r.|d k�r�� j| }|j|j|jf}nt� j| |�f}� j| f| }|| v �r�|���| �� �j �� � g�j d�� j t< � j| = | �|� �q.�q|�r t|��d S ) Nc s g | ]}|� � r|� vr|�qS r< )Zis_valid)rT r7 )�forms_to_deleter< r= rV s �z4BaseModelFormSet.validate_unique.<locals>.<listcomp>T)r9 Zinclude_meta_constraintsc 3 s0 | ](}|� j v r|�jv r |n� j | V qd S r� )r' � unique_fields�rT r. )r7 rj r< r= � <genexpr>1 s �z3BaseModelFormSet.validate_unique.<locals>.<genexpr>c s s6 | ].}t |d �r|�� nt|t�r*t|�n|V qdS )� _get_pk_valN)rK r� r* �list�tuple)rT �dr< r< r= r� 7 s �)r� �date)r� � deleted_formsZformsr� r8 Z_get_unique_checksr} r� r5 �get_unique_error_messager� �get_form_errorr� r� r r' r� �year�month�dayrB �get_date_error_messager )rj Zall_unique_checksZall_date_checksZ valid_formsr9 Z unique_checksZ date_checksr� Zuclass� unique_checkZ seen_dataZrow_datar. � date_check�lookupZ unique_forr� Z date_datar0 r< )r7 r� rj r= r� sx �� �� � � � � � z BaseModelFormSet.validate_uniquec C s> t |�dkr td�d|d i S td�dt|td��i S d S )N� z0Please correct the duplicate data for %(field)s.r. r zFPlease correct the duplicate data for %(field)s, which must be unique.�and)r� r r �_�rj r� r< r< r= r� t s ����z)BaseModelFormSet.get_unique_error_messagec C s$ t d�|d |d t|d �d� S )NzoPlease correct the duplicate data for %(field_name)s which must be unique for the %(lookup)s in %(date_field)s.� � r� )� field_nameZ date_fieldr� )r ry )rj r� r< r< r= r� � s � ��z'BaseModelFormSet.get_date_error_messagec C s t d�S )Nz*Please correct the duplicate values below.r r� r< r< r= r� � s z BaseModelFormSet.get_form_errorc C s� g | _ g | _| jsg S g }| j}| jD ]z}|j}|jd u r<q&||v r`| j�|� | j||d� q&|�� r&| j �||j f� |�| j |||d�� |s&| j �|� q&|S �Nr� ) Zchanged_objectsZdeleted_objectsZ initial_formsr� r8 rH r5 r� � has_changedZ changed_datar� r� )rj r� Zsaved_instancesr� r7 r� r< r< r= r� � s& z&BaseModelFormSet.save_existing_objectsc C sZ g | _ | jD ]F}|�� sq | jr,| �|�r,q | j �| j||d�� |s | j�|� q | j S r� )Z new_objectsZ extra_formsr� � can_deleteZ_should_delete_formr5 r� r� )rj r� r7 r< r< r= r� � s z!BaseModelFormSet.save_new_objectsc s& ddl m� m}m} | jjj | _}� �fdd���|�sH|j|j v�r|j rf|j j j r\dn|j j}n8z |dur�| �� | j}nd}W n ty� d}Y n0 t|||f�r�|jjj�� }n | jj�� }|�|j j j�}|jjr�|jj�| jjt�}nt}t||d|d�|j | jj< t� �||� dS )z0Add a hidden field for the object's primary key.r )r+ � ForeignKey� OneToOneFieldc s6 | j p4| jp4t| � �p4| jo4| jjo4�| jjjj�S r� )r) Z auto_createdr* r� Z parent_linkrM r& rH rI �r+ �pk_is_not_editabler< r= r� � s ���z7BaseModelFormSet.add_fields.<locals>.pk_is_not_editableNF)r� r� r/ )rJ r+ r� r� rM r& rH � _pk_fieldr, r( r� r8 r� r� r� r� r* r� r� �using�dbrb r3 r r rw � add_fields) rj r7 �indexr� r� rH Zpk_valuer� r/ r� r� r= r� � s. �zBaseModelFormSet.add_fields)NNr� NN)T)T)T)T)T)T) r_ rm rn �__doc__rM r� r� r� rl r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r< r< r� r= r � s< �� " ] r r� Fc C s� t |dd�}t |d|�du r4t |d| �du r4td��t| ||| || | | |||d� }t||||||||| |||d� }| |_||_|S )z8Return a FormSet class for the given Django model class.rp Nr( r9 z]Calling modelformset_factory without defining 'fields' or 'exclude' explicitly is prohibited.) r7 r( r9 rc rb rd re rf rY rg ) �extra�min_num�max_num� can_orderr� � validate_min� validate_max� absolute_max�can_delete_extrar� )rB r r# r rM r� )rM r7 rc �formsetr� r� r� r� r( r9 rb r� rd re rf rY r� r� rg r� r� r� r� �meta�FormSetr< r< r= r � sL ���� �r c sl e Zd ZdZd� fdd� Z� fdd�Z� fdd �Zed d � �Zd� fd d� Z � fdd�Z � fdd�Z � Z S )r! z0A formset for child objects related to a parent.NFc s� |d u r| j j�� | _n|| _|| _|d u r4| jj}| jjd ur\|jf i | j j| ji��}n|� � }| j jh| _ t � j ||f||d�|�� | j jjr�| j j| j jjvr�t| j jjt�r�t| j jj�| j j_| j jj�| j j� d S )N)r� rF )�fkr� rM r8 � save_as_newr� rH rL r, �noner� rw rl r7 r& r( r* r� r� r5 ) rj r0 r1 r8 r r� rF rh r� r� r< r= rl 2 s zBaseInlineFormSet.__init__c s | j r dS t� �� S )Nr )r rw r� r� r� r< r= r� Q s z$BaseInlineFormSet.initial_form_countc s� t � j|fi |��}| jrpt|jdd �}|d ur8d|j_d |j|�| jj�< d |j|�| j j�< |d urp||j_| j j }| j j j | j j jjj jkr�t| j | j j j �}t|d|�}t|j | j �� |� |S )N�_mutableTrH )rw r� r rB r0 r r2 r� r, r r8 rH r� r� rM r& �setattrZ get_attname)rj r� rh r7 ZmutableZfk_valuer� r< r= r� V s z!BaseInlineFormSet._construct_formc C s | j jj| jd��dd�S )N)rM �+� )r r� Zget_accessor_namerM �replace)�clsr< r< r= �get_default_prefixm s z$BaseInlineFormSet.get_default_prefixTc s$ t |j| jj| j� t� j||d�S r� )r r8 r r, rw r� r� r� r< r= r� q s zBaseInlineFormSet.save_newc s� t � �||� | j| jkr,| jj}ddi}n(| jj}dt|j�|�dt| jj ��i}| jj j | jj j j jjkr|| jj j |d< | jjjr�|�d�d ur�| jj �|d �}n | jj j}|�� r�t| j|jd � t| jfi |��|j|< d S )N�pk_fieldTrW �to_field)rw r� r� r r, rB r( r3 r Z verbose_namer� r� rM r& rH r8 r� r� � get_fieldr- r Zattnamer� )rj r7 r� r, rh r r� r< r= r� x s$ �� z BaseInlineFormSet.add_fieldsc s � fdd�|D �}t � �|�S )Nc s g | ]}|� j jkr|�qS r< )r r, r� r� r< r= rV � rv z>BaseInlineFormSet.get_unique_error_message.<locals>.<listcomp>)rw r� r� r� r� r= r� � s z*BaseInlineFormSet.get_unique_error_message)NNNFNN)T) r_ rm rn r� rl r� r� � classmethodr r� r� r� r� r< r< r� r= r! / s � !r! c s@ ddl m� |j}�rfdd�|jD �}t|�dkr�|d }�j�� �t|� �r�|jjjj rn|jjjj �vs�|jjjj s�|jj�kr�|jj�vr�t d��jj f ��n|s�t d|jj �f ��nz�j�� �� ��fdd�|jD �}t|�dkr�|d }nB|�s$|�r d S t d |jj �jj f ��nt d |jj �jj f ��|S ) aD Find and return the ForeignKey from model to parent if there is one (return None if can_fail is True and no such field exists). If fk_name is provided, assume it is the name of the ForeignKey field. Unless can_fail is True, raise an exception if there isn't a ForeignKey from model to parent_model. r )r� c s g | ]}|j � kr|�qS r< )r, rS ��fk_namer< r= rV � rv z$_get_foreign_key.<locals>.<listcomp>r� z)fk_name '%s' is not a ForeignKey to '%s'.z '%s' has no field named '%s'.c sN g | ]F}t |� �r|jj�ksF|jj�v sF|jjjjr|jjjj�v r|�qS r< )r* r� rM r& �proxy�proxy_for_modelrS )r� � parent_list� parent_modelr< r= rV � s �Nz '%s' has no ForeignKey to '%s'.zR'%s' has more than one ForeignKey to '%s'. You must specify a 'fk_name' attribute.) rJ r� r& r( r� Zget_parent_listr* r� rM r r r� rW )r rM r Zcan_failr: Z fks_to_parentr r< )r� r r r r= �_get_foreign_key� sh � �� � � � ��� � ������r r� c C sd t | ||d�}|jrd} || ||| ||||| | || |||||||||d�}t|fi |��}||_|S )z� Return an ``InlineFormSet`` for the given kwargs. ``fk_name`` must be provided if ``model`` has more than one ``ForeignKey`` to ``parent_model``. r r� )r7 rc r r� r� r� r( r9 r� r� rb r� r� rd re rf rY rg r� r� r� r� )r �uniquer r ) r rM r7 r r r( r9 r� r� r� r� rc rb r� rd re rf rY r� r� rg r� r� r� r� r rh r r< r< r= r" � s: !�r" c sH e Zd ZdZeZded�iZddd�� fdd� Zd d � Z d d � Z � Z S ) r� zw A basic integer field that deals with validating the given value to a given parent instance in an inline. �invalid_choicez3The inline value did not match the parent instance.FN)r r c s` || _ || _|| _| j d urB| jr6t| j | j�|d< n | j j|d< d|d< t� j|i |�� d S )Nr� Fr� )�parent_instancer r rB rH rw rl )rj r r r �argsrh r� r< r= rl = s z InlineForeignKeyField.__init__c C s` || j v r| jrd S | jS | jr0t| j| j�}n| jj}t|�t|�krZt| jd dd��| jS )Nr �r� ) r4 r r r rB rH ry r rY )rj rr �origr< r< r= r� I s �zInlineForeignKeyField.cleanc C s dS )NFr< )rj r� r0 r< r< r= r� Z s z!InlineForeignKeyField.has_changed) r_ rm rn r� r r/ r� �default_error_messagesrl r� r� r� r< r< r� r= r� 2 s � r� c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �ModelChoiceIteratorValuec C s || _ || _d S r� )rr r8 )rj rr r8 r< r< r= rl _ s z!ModelChoiceIteratorValue.__init__c C s t | j�S r� )ry rr r� r< r< r= �__str__c s z ModelChoiceIteratorValue.__str__c C s t | j�S r� )�hashrr r� r< r< r= �__hash__f s z!ModelChoiceIteratorValue.__hash__c C s t |t�r|j}| j|kS r� )r* r rr )rj �otherr< r< r= �__eq__i s z ModelChoiceIteratorValue.__eq__N)r_ rm rn rl r r" r$ r< r< r< r= r ^ s r c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) �ModelChoiceIteratorc C s || _ |j| _d S r� )r. rF r� r< r< r= rl p s z ModelChoiceIterator.__init__c c sH | j jd urd| j jfV | j}|js.|�� }|D ]}| �|�V q2d S )Nr )r. � empty_labelrF Z_prefetch_related_lookups�iterator�choice)rj rF r� r< r< r= �__iter__t s z ModelChoiceIterator.__iter__c C s | j �� | jjd urdnd S )Nr� r )rF �countr. r& r� r< r< r= �__len__~ s zModelChoiceIterator.__len__c C s | j jd up| j�� S r� )r. r& rF �existsr� r< r< r= �__bool__� s z ModelChoiceIterator.__bool__c C s t | j�|�|�| j�|�fS r� )r r. � prepare_value�label_from_instance�rj r� r< r< r= r( � s �zModelChoiceIterator.choiceN)r_ rm rn rl r) r+ r- r( r< r< r< r= r% o s r% c s� e Zd ZdZded�iZeZdddddddddd � d d �Zd d � Z � fdd�Z dd� Z dd� Z e e e �Zdd� Zdd� Ze eej�Z� fdd�Zdd� Zd d � Zd d � Z� ZS ) r z1A ChoiceField whose choices are a model QuerySet.r zGSelect a valid choice. That choice is not one of the available choices.z ---------TNr F) r& r� r/ rW r� rX � to_field_namerO r� c K s^ t j| f|||||d�| �� |r*|d us:t| jt�rB| sBd | _n|| _|| _| | _|| _d S )N)r� r/ rW r� rX ) r rl r* r/ r r& rF rO r1 ) rj rF r& r� r/ rW r� rX r1 rO r� rh r< r< r= rl � s* ��� ��zModelChoiceField.__init__c C s t | j�r| �� S | jS )z� Return ``limit_choices_to`` for this form field. If it is a callable, invoke it and return the result. )r` rO r� r< r< r= rG � s z%ModelChoiceField.get_limit_choices_toc s* t t| ��|�}| jd ur&| j�� |_|S r� )rw r � __deepcopy__rF �all)rj �memo�resultr� r< r= r2 � s z ModelChoiceField.__deepcopy__c C s | j S r� )r� r� r< r< r= � _get_queryset� s z ModelChoiceField._get_querysetc C s$ |d u r d n|� � | _| j| j_d S r� )r3 r� �choicesr/ )rj rF r< r< r= � _set_queryset� s z ModelChoiceField._set_querysetc C s t |�S )z� Convert objects into strings and generate the labels for the choices presented by this object. Subclasses can override this method to customize the display of the choices. �ry r0 r< r< r= r/ � s z$ModelChoiceField.label_from_instancec C s t | d�r| jS | �| �S )N�_choices)rK r: r' r� r< r< r= � _get_choices� s z ModelChoiceField._get_choicesc s. t |d�r"| jr |�| j�S |jS t� �|�S �Nr& )rK r1 Zserializable_valuerH rw r. �rj rr r� r< r= r. � s z ModelChoiceField.prepare_valuec C s� || j v rd S z<| jpd}t|| jj�r2t||�}| jjf i ||i��}W n6 tt| jjj fy� t | j d dd|id��Y n0 |S )NrH r rr �r� �params) r4 r1 r* rF rM rB r3 r� ra Z DoesNotExistr rY )rj rr �keyr< r< r= r� � s � zModelChoiceField.to_pythonc C s t �| |�S r� )r �validater= r< r< r= rA s zModelChoiceField.validatec C s@ | j r dS |d ur|nd}|d ur&|nd}t| �|��t|�kS )NFr )�disabledry r. )rj r� r0 � initial_valueZ data_valuer< r< r= r� s z ModelChoiceField.has_changed)r_ rm rn r� r� r r% r' rl rG r2 r6 r8 �propertyrF r/ r; r Z _set_choicesr7 r. r� rA r� r� r< r< r� r= r � s8 ��� $ r c sl e Zd ZdZeZeZed�ed�ed�d�Z � fdd�Z dd � Z d d � Z d d � Z � fdd�Zdd� Z� ZS )r z9A MultipleChoiceField whose choices are a model QuerySet.zEnter a list of values.zESelect a valid choice. %(value)s is not one of the available choices.u" “%(pk)s” is not a valid value.)� invalid_listr �invalid_pk_valuec s t � j|fdd i|�� d S )Nr& )rw rl )rj rF rh r� r< r= rl # s z!ModelMultipleChoiceField.__init__c C s |sg S t | �|��S r� )r� � _check_valuesr= r< r< r= r� & s z"ModelMultipleChoiceField.to_pythonc C st | � |�}| jr(|s(t| jd dd��n| js<|s<| j�� S t|ttf�s\t| jd dd��| � |�}| � |� |S )Nr� r rE ) r. r� r rY rF r r* r� r� rG Zrun_validators)rj rr r� r< r< r= r� + s � z ModelMultipleChoiceField.cleanc s� | j pd� z t|�}W n$ ty: t| jd dd��Y n0 |D ]N}z| jjf i � |i�� W q@ ttfy� t| jd dd|id��Y q@0 q@| jjf i d� |i��}� fdd�|D �}|D ](}t|�|vr�t| jd d d |id��q�|S ) z� Given a list of possible PK values, return a QuerySet of the corresponding objects. Raise a ValidationError if a given value is invalid (not a valid PK, not in the queryset, etc.) rH rE r rF r> z%s__inc s h | ]}t t|� ���qS r< )ry rB r� �r@ r< r= ru W rv z9ModelMultipleChoiceField._check_values.<locals>.<setcomp>r rr ) r1 � frozensetra r rY rF rL r� ry )rj rr rH r� Zpks�valr< rH r= rG < s6 � � �z&ModelMultipleChoiceField._check_valuesc sD t |d�r8t|t�s8t |d�s8t� j� � fdd�|D �S t� �|�S )Nr) r& c s g | ] }� |��qS r< r< )rT rt �r. r< r= rV h rv z:ModelMultipleChoiceField.prepare_value.<locals>.<listcomp>)rK r* ry rw r. r= r� rK r= r. a s ���z&ModelMultipleChoiceField.prepare_valuec C s` | j r dS |d u rg }|d u r"g }t|�t|�kr6dS dd� | �|�D �}dd� |D �}||kS )NFTc S s h | ] }t |��qS r< r9 �rT rr r< r< r= ru t rv z7ModelMultipleChoiceField.has_changed.<locals>.<setcomp>c S s h | ] }t |��qS r< r9 rL r< r< r= ru u rv )rB r� r. )rj r� r0 Z initial_setZdata_setr< r< r= r� k s z$ModelMultipleChoiceField.has_changed)r_ rm rn r� r r/ r Z hidden_widgetr� r rl r� r� rG r. r� r� r< r< r� r= r s �� % r c C s" t | d�o | jjd up | jjd uS r< )rK r& r( r9 )rZ r< r< r= �modelform_defines_fieldsy s �rM )NN)NN) NNNNNNNNN)NF)7r� � itertoolsr Zdjango.core.exceptionsr r r r Zdjango.db.models.utilsr Zdjango.forms.fieldsr r Zdjango.forms.formsr r Zdjango.forms.formsetsr r Zdjango.forms.utilsr Zdjango.forms.widgetsr r r r Zdjango.utils.textr r Zdjango.utils.translationr r r� r$ r r> r rP r ri ro r r r# r r r! r r" r� r r% r r rM r< r< r< r= �<module> s� 0 � � nI ]� [ d� Go R� E, c