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o �h�� � @ sJ 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.d@d-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 )Az[ 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|vr"q|dur,|j|vr,q|r4|j|v r4q|� � rX| |j j j � | j | j| �|j��rX|�|j�| |j j jv rXqt||j�rd|�|� q|�|||j � q|D ] }|�|||j � qp|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)� django.dbr% �_meta� cleaned_data�fields�editable� isinstance� AutoField�name� has_default�field�widget�value_omitted_from_data�data�files� add_prefix�get� empty_values� FileField�append�save_form_data) �form�instancer) �excluder% �optsr( �file_field_list�f� r@ �F/usr/local/CyberCP/lib/python3.10/site-packages/django/forms/models.py�construct_instance. s: � � ��� rB c C sh | j }i }t|j|j|j�D ]#}t|dd�sq|dur!|j|vr!q|r)|j|v r)q|�| �||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- �value_from_object)r; r) r< r= r2 r? r@ r@ rA r ^ s r c C s� ddl m}m}m} t| d�rBt| d�rD| �� }|rF|}t||�s(|di |��}|||d�d�M }| j�|| jj j �|���| _dS dS dS dS ) z=Apply limit_choices_to to the formfield's queryset if needed.r )�Exists�OuterRef�Q�queryset�get_limit_choices_to�pk�rM Nr@ ) �django.db.modelsrH rI rJ �hasattrrL r+ rK �filter�model� _base_manager)� formfieldrH rI rJ �limit_choices_to�complex_filterr@ r@ rA �#apply_limit_choices_to_to_formfieldw s ��rW T��apply_limit_choices_toc s� i �g �| j } ddlm� � fdd�| jD �} tt| j| | j��D ]�} t| dd�sF|durE| j |v rE�du s;| j �vrEt d| j | j f ��q!|durP| j |vrPq!�rX| j �v rXq!i }|rh| j |v rh|| j |d < |t kss|rw| j |v rwd |d < |r�| j |v r�|| j |d < |r�| j |v r�|| j |d < |r�| j |v r�|| j |d< | r�| j | v r�| | j |d< |du r�| j di |��}nt|�s�td��|| fi |��}|r�| r�t|� |�| j < q!��| j � q!|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@ rA � <listcomp>� s ��z$fields_for_model.<locals>.<listcomp>r* FNzH'%s' cannot be specified for %s model form as it is a non-editable fieldr0 T�localize�label� help_text�error_messages� form_classz1formfield_callback must be a function or callablec s, i | ]}� r |� vr|�vr|�� |��qS r@ )r5 rZ )r< � field_dict�ignoredr@ rA � <dictcomp>� s � �z$fields_for_model.<locals>.<dictcomp>r@ )r' rO r rD �sortedr rC rE rF r- r �__name__r rT �callable� TypeErrorrW r8 )rR r) r< �widgets�formfield_callback�localized_fields�labels� help_textsra � field_classesrY r= �sortable_private_fieldsr? �kwargsrT r@ )r\ r< rc rd rA r � sn , �� ��� �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 ) NrR r) r< rj rl rm rn ra ro rk ) rF rR r) r< rj rl rm rn ra ro rk )�self�optionsr@ r@ rA �__init__� s zModelFormOptions.__init__�N)rg � __module__� __qualname__ru r@ r@ r@ rA rr � s rr c s e Zd Z� fdd�Z� ZS )�ModelFormMetaclassc s@ t � �| |||�}|tfkr|S tt|dd �� }|_dD ] }t||�}t|t�r:|tkr:d|j ||d� }t |��q |j r�|j d u rN|j d u rNtd| ��|j tkrVd |_ 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) r< rl zP%(model)s.Meta.%(opt)s cannot be a string. Did you mean to type: ('%(value)s',)?)rR �opt�valuez|Creating a ModelForm without either the 'fields' attribute or the 'exclude' attribute is prohibited; form %s needs updating.FrX c S s h | ]\}}|s|�qS r@ r@ )r[ �k�vr@ r@ rA � <setcomp>< s z-ModelFormMetaclass.__new__.<locals>.<setcomp>z&Unknown field(s) (%s) specified for %sz, ) �super�__new__r rr rF r' r+ �strr rg ri rR r) r< r r rj rk rl rm rn ra ro �items� difference�declared_fields�joinr �update� base_fields) �mcsr- �bases�attrs� new_classr= r{ r| �msgr) �none_model_fields�missing_fields�message�� __class__r@ rA r� s` ��� ��� � zModelFormMetaclass.__new__)rg rw rx r� � __classcell__r@ r@ r� rA ry s ry 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 r td��| d u r| �� | _i } n | | _t| | j| j�} |d ur,| �|� d| _t � j ||||| |||| | d� | j� � D ]}t |� qDd S )Nz'ModelForm has no model class specified.F)�use_required_attribute�renderer) r' rR � ValueErrorr; r r) r< r� �_validate_uniquer� ru �valuesrW )rs r2 r3 �auto_id�prefix�initial� error_class� label_suffix�empty_permittedr; r� r� r= � object_datarT r� r@ rA ru N s4 � �zBaseModelForm.__init__c C s� t � }| jjjD ][}|j}|| jvr|�|j� q| jjr*|| jjvr*|�|j� q| jjr;|| jjv r;|�|j� q|| jv rG|�|j� q| j| }| j� |�}|j sc|j sc||j v rc|�|j� q|S )z� For backwards-compatibility, exclude several types of fields from model validation. See tickets #12507, #12521, #12553. ) �setr; r' r) r- �addr< �_errorsr( r5 �blank�requiredr6 )rs r< r? r/ � form_field� field_valuer@ r@ rA �_get_validation_exclusions| s* �� �z(BaseModelForm._get_validation_exclusionsc C s d| _ | jS )NT)r� r( �rs r@ r@ rA �clean� s zBaseModelForm.cleanc C s� | j }t|d�r |j}nt|i}|�� D ]8\}}|tkr*|jr*t|jv r*|jt }n || jv r6| j| j}nq|D ]}t|t�rK|j |v rK||j |_ q9q| � d |� d S )N� error_dict) r' rP r� r r� ra r) r+ r �coder� � add_error)rs �errorsr= r� r/ �messagesra r� r@ r@ rA �_update_errors� s* � � ��z BaseModelForm._update_errorsc C s� | j }| �� }| j�� D ]\}}t|t�r|�|� q z t| | j|j|j �| _W n t y? } z | � |� W Y d }~nd }~ww z | jj |dd� W n t ya } z | � |� W Y d }~nd }~ww | j rk| �� d S d S )NF)r< �validate_unique)r' r� r) r� r+ �InlineForeignKeyFieldr� rB r; r< r r� � full_cleanr� r� )rs r= r< r- r/ �er@ r@ rA � _post_clean� s. � ����� �zBaseModelForm._post_cleanc C sN | � � }z | jj|d� W dS ty& } z | �|� W Y d}~dS d}~ww )z� Call the instance's validate_unique() method and update the form's validation errors if any were raised. )r< N)r� r; r� r r� )rs r< r� r@ r@ rA r� � s ��z BaseModelForm.validate_uniquec C s� | j }| jj}| jj}| jj}t|j|j�D ]'}t|d�s q|r&|j |vr&q|r.|j |v r.q|j |v r=|� | j||j � qdS )zS Save the many-to-many fields and generic relations for this form. r9 N) r( r' r< r) r; r rE rD rP r- r9 )rs r( r< r) r= r? r@ r@ rA � _save_m2m� s ��zBaseModelForm._save_m2mTc C sZ | j rtd| jjj| jjjrdf ��df ��|r&| j�� | �� | jS | 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� r; r' � object_name�_state�adding�saver� �save_m2m)rs �commitr@ r@ rA r� s$ ������ �zBaseModelForm.save�T)rg rw rx r ru r� r� r� r� r� r� r� � alters_datar� r@ r@ r� rA r M s* �.-! r c @ s e Zd ZdS )r N)rg rw rx r@ r@ r@ rA r ) s r )� metaclassc C s d| i} |dur || d< |dur|| d< |dur || d< |dur$|| d< |dur,|| d< |dur4|| d< | dur<| | d < | durD| | d < t |d �rM|jfnd } td | | �} |r\t|�| _| jd }d | i}t| dd�du ryt| dd�du rytd��t|�||f|�S )al Return a ModelForm containing form fields for the given model. You can optionally pass a `form` argument to use as a starting point for constructing the ModelForm. ``fields`` is an optional list of field names. If provided, include only the named fields in the returned fields. If omitted or '__all__', use all fields. ``exclude`` is an optional list of field names. If provided, exclude the named fields from the returned fields, even if they are listed in the ``fields`` argument. ``widgets`` is a dictionary of model field names mapped to a widget. ``localized_fields`` is a list of names of fields which should be localized. ``formfield_callback`` is a callable that takes a model field and returns a form field. ``labels`` is a dictionary of model field names mapped to a label. ``help_texts`` is a dictionary of model field names mapped to a help text. ``error_messages`` is a dictionary of model field names mapped to a dictionary of error messages. ``field_classes`` is a dictionary of model field names mapped to a form field class. rR Nr) r< rj rl rm rn ra ro rz r@ �FormzZCalling modelform_factory without defining 'fields' or 'exclude' explicitly is prohibited.)rP rz �type� staticmethodrk rg rF r )rR r: r) r< rk rj rl rm rn ra ro r� r� rz � class_name�form_class_attrsr@ r@ rA r# - s8 0 �r# c s� e Zd ZdZdZdZe� Z d+dd�� fdd� Z� fdd �Z d d � Z d d � Z � fdd�Z dd� Z d,dd�Zd,dd�Zd,dd�Zd,dd�Zde_dd � Zd d � Zd d � Zd!d"� Zd#d$� Zd,d%d&�Zd,d'd(�Z� fd)d*�Z� ZS )-r zO A ``FormSet`` for editing a queryset and/or adding new objects to it. NFr� )r� c s0 || _ || _t� jdi ||||d�|��� d S )N)r2 r3 r� r� r@ )rK � initial_extrar� ru )rs r2 r3 r� r� rK r� rq r� r@ rA ru � s �� �zBaseModelFormSet.__init__c s | j s t| �� �S t� �� S )z=Return the number of forms that are required in this FormSet.)�is_bound�len� get_querysetr� �initial_form_countr� r� r@ rA r� � s z#BaseModelFormSet.initial_form_countc C s* t | d�sdd� | �� D �| _| j�|�S )N� _object_dictc S s i | ]}|j |�qS r@ rN �r[ �or@ r@ rA re � � z5BaseModelFormSet._existing_object.<locals>.<dictcomp>)rP r� r� r5 )rs rM r@ r@ rA �_existing_object� s z!BaseModelFormSet._existing_objectc C s$ |j dur|j �� }|j dus|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_field�get_related_field� to_python�rs r/ r@ r@ rA �_get_to_python� s �z BaseModelFormSet._get_to_pythonc s || � � k }|rR| jrId| �|�| jjjjf }z| j| }W n ty( Y nDw | � | jjj�}z||�}W n t y@ Y n,w | � |�|d< n#| � � | |d< n| j rlz | j || � � |d< W n tyk Y nw t� j|fi |��}|r�d|j| jjjj _|S )Nz%s-%sr; r� T)r� r� r4 rR r' rM r- r2 �KeyErrorr� r r� r� r� � IndexErrorr� �_construct_formr) r� )rs �irq � pk_required�pk_keyrM r� r: r� r@ rA r� � s6 � � �z BaseModelFormSet._construct_formc C sL t | d�s#| jd ur| j}n| jj�� }|js |�| jjjj �}|| _ | j S )N� _queryset) rP rK rR �_default_managerr� �ordered�order_byr' rM r- r� )rs �qsr@ r@ rA r� � s z BaseModelFormSet.get_querysetTc C s |j |d�S )z8Save and return a new model instance for the given form.�r� �r� �rs r: r� r@ r@ rA �save_new� � zBaseModelFormSet.save_newc C s |j |d�S )z>Save and return an existing model instance for the given form.r� r� )rs r: r; r� r@ r@ rA � save_existing� r� z BaseModelFormSet.save_existingc C s |r|� � dS dS )z#Deletes an existing model instance.N)�delete)rs �objr� r@ r@ rA �delete_existing� s �z BaseModelFormSet.delete_existingc s@ |sg � _ � fdd�}|� _� jr� �|�S � �|�� �|� S )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 rv )� saved_formsr� )r: r� r@ rA r� s �z'BaseModelFormSet.save.<locals>.save_m2m)r� r� � edit_only�save_existing_objects�save_new_objects)rs r� r� r@ r� rA r� s zBaseModelFormSet.savec C s | � � d S rv )r� r� r@ r@ rA r� � zBaseModelFormSet.cleanc s� t � }t � }�j��fdd��jD �}|D ]� � �� }� jj|dd�\}}|�|� |�|� qg }|D ]R\}} t � } |D ]H� � �fdd�| D �} tdd� | D ��} | r�d | vr�| | v r�|��� | �� �j �� � g�j d�� j t< | D ] } | � jv r� j| = qt| �| � q=q4|D ]g} t � } | \}}} }|D ]Y� � jr� j| d ur� j| d ur�|d kr�� j| }|j|j|jf}n t� 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@ )�is_valid)r[ r: )�forms_to_deleter@ rA r] s ��z4BaseModelFormSet.validate_unique.<locals>.<listcomp>T)r< �include_meta_constraintsc 3 s2 � | ]}|� j v r|�jv r|n� j | V qd S rv )r( � unique_fields�r[ r/ )r: rs r@ rA � <genexpr>1 s � ��z3BaseModelFormSet.validate_unique.<locals>.<genexpr>c s s8 � | ]}t |d �r |�� n t|t�rt|�n|V qdS )� _get_pk_valN)rP r� r+ �list�tuple)r[ �dr@ r@ rA r� 7 s � � �)r� �date)r� � deleted_forms�formsr� r; �_get_unique_checksr� r� r8 �get_unique_error_messager� �get_form_errorr� r� r r( r� �year�month�dayrF �get_date_error_messager )rs �all_unique_checks�all_date_checks� valid_formsr< � unique_checks� date_checksr� �uclass� unique_check� seen_data�row_datar/ � date_check�lookup� unique_forr� � date_datar2 r@ )r: r� rs rA r� s� � � �� � � ��! � � �� �z BaseModelFormSet.validate_uniquec C s: t |�dkrtd�d|d i S td�dt|td��i 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 �_�rs r r@ r@ rA 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_name� date_fieldr )r r� )rs r r@ r@ rA r � s � ��z'BaseModelFormSet.get_date_error_messagec C s t d�S )Nz*Please correct the duplicate values below.r r� r@ r@ rA r� � s z BaseModelFormSet.get_form_errorc C s� g | _ g | _| js g S g }| j}| jD ]=}|j}|jd u r q||v r0| j�|� | j||d� q|�� rP| j �||j f� |�| j |||d�� |sP| j �|� q|S �Nr� ) �changed_objects�deleted_objects� initial_formsr� r; rM r8 r� � has_changed� changed_datar� r� )rs r� �saved_instancesr� r: r� r@ r@ rA r� � s( �z&BaseModelFormSet.save_existing_objectsc C sZ g | _ | jD ]#}|�� s q| jr| �|�rq| j �| j||d�� |s)| j�|� q| j S r )� new_objects� extra_formsr � can_delete�_should_delete_formr8 r� r� )rs r� r: r@ r@ rA r� � s �z!BaseModelFormSet.save_new_objectsc s$ ddl m� m}m} | jjj | _}� �fdd���|�s#|j|j vr�|j r2|j j j r-dn|j j}n z|dur?| �� | j}nd}W n tyM d}Y nw t|||f�r]|jjj�� }n| jj�� }|�|j j j�}|jjrz|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 p| jp t| � �p| jo| jjo�| jjjj�S rv )r* � auto_createdr+ r� � parent_linkrR r' rM rN �r, �pk_is_not_editabler@ rA r( � s ���z7BaseModelFormSet.add_fields.<locals>.pk_is_not_editableNF)r� r� r0 )rO r, r# r$ rR r' rM � _pk_fieldr- r) r� r; r� r� r� r� r+ r� r� �using�dbrj r5 r r r� � add_fields) rs r: �indexr# r$ rM �pk_valuer� r0 r� r' rA r, � s2 � � �zBaseModelFormSet.add_fields)NNr� NNr� ) rg rw rx �__doc__rR r� r� r� ru r� r� r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r, r� r@ r@ r� rA r � s> �� " ] r r Fc C s� t |dd�}t |d|�du rt |d| �du rtd��t| ||| || | | |||d� }t||||||||| |||d� }| |_||_|S )z8Return a FormSet class for the given Django model class.rz Nr) r< z]Calling modelformset_factory without defining 'fields' or 'exclude' explicitly is prohibited.) r: r) r< rk rj rl rm rn ra ro ) �extra�min_num�max_num� can_orderr! � validate_min� validate_max� absolute_max�can_delete_extrar� )rF r r# r rR r� )rR r: rk �formsetr0 r! r3 r2 r) r< rj r5 rl rm rn ra r1 r4 ro r6 r7 r� r� �meta�FormSetr@ r@ rA r � sH �� �r c sx e Zd ZdZ d� 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 r| jj}| jjd ur.|jdi | j j| ji��}n|� � }| j jh| _ t � j ||f||d�|�� | j jjrr| j j| j jjvrtt| j jjt�rft| j jj�| j j_| j jj�| j j� d S d S d S )N)r� rK r@ )�fkr� rR r; � save_as_newr� rM rQ r- �noner� r� ru r: r' r) r+ r� r� r8 ) rs r2 r3 r; r< r� rK rq r� r� r@ rA ru 2 s �zBaseInlineFormSet.__init__c s | j rdS t� �� S )Nr )r< r� r� r� r� r@ rA r� Q s z$BaseInlineFormSet.initial_form_countc s� t � j|fi |��}| jr8t|jdd �}|d ur d|j_d |j|�| jj�< d |j|�| j j�< |d ur8||j_| j j }| j j j | j j jjj jkrXt| j | j j j �}t|d|�}t|j | j �� |� |S )N�_mutableTrM )r� r� r< rF r2 r> r4 r) r- r; r; rM r� r rR r' �setattr� get_attname)rs r� rq r: �mutable�fk_valuer� r@ rA r� V s z!BaseInlineFormSet._construct_formc C s | j jj| jd��dd�S )N)rR �+� )r; r� �get_accessor_namerR �replace)�clsr@ r@ rA �get_default_prefixm s z$BaseInlineFormSet.get_default_prefixTc s$ t |j| jj| j� t� j||d�S r )r? r; r; r- r� r� r� r� r@ rA 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< | jjjre|�d�d urT| jj �|d �}n| jj j}|�� ret| j|jd � t| jfi |��|j|< d S )N�pk_fieldTr_ �to_field)r� r, r) r; r- rF r) r5 r � verbose_namer� r rR r' rM r; r� r� � get_fieldr. r? �attnamer� )rs r: r- r- rq rJ r� r@ rA r, x s$ �� z BaseInlineFormSet.add_fieldsc s � fdd�|D �}t � �|�S )Nc s g | ] }|� j jkr|�qS r@ )r; r- r� r� r@ rA r] � s z>BaseInlineFormSet.get_unique_error_message.<locals>.<listcomp>)r� r� r r� r� rA r� � s z*BaseInlineFormSet.get_unique_error_message)NNNFNNr� ) rg rw rx r/ ru r� r� � classmethodrH r� r, r� r� r@ r@ r� rA r! / s � !r! c s< ddl m� |j}�rc�fdd�|jD �}t|�dkrU|d }�j�� �t|� �rI|jjjj r7|jjjj �vsI|jjjj sS|jj�krS|jj�vrSt d��jj f ��|S |sat d|jj �f ��|S �j�� �� ��fdd�|jD �}t|�dkr�|d }|S |s�|r�d S t d |jj �jj f ��t d |jj �jj f ��) 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- rZ ��fk_namer@ rA r] � � 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 | ]#}t |� �r%|jj�ks#|jj�v s#|jjjjr%|jjjj�v r|�qS r@ )r+ r� rR r' �proxy�proxy_for_modelrZ )r# � parent_list� parent_modelr@ rA r] � s � ��Nz '%s' has no ForeignKey to '%s'.zR'%s' has more than one ForeignKey to '%s'. You must specify a 'fk_name' attribute.) rO r# r' r) r� �get_parent_listr+ r� rR rR rS r� r_ )rU rR rP �can_failr= � fks_to_parentr; r@ )r# rP rT rU rA �_get_foreign_key� sf � � � ��-��( �� �������rY r c C s� t | ||d�}|jr d} i d|�d| �d|�d|�d| �d|�d |�d |�d |�d | �d | �d|�d| �d|�d|�d|�d|�|||||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``. rO r r: rk r8 r0 r! r3 r) r< r1 r2 rj r4 r5 rl rm rn ra )ro r6 r7 r� r� )rY �uniquer r; ) rU rR r: r8 rP r) r< r0 r3 r! r2 rk rj r5 rl rm rn ra r1 r4 ro r6 r7 r� r� r; rq r: r@ r@ rA 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)rI rJ c s` || _ || _|| _| j d ur!| jrt| j | j�|d< n| j j|d< d|d< t� j|i |�� d S )Nr� Fr� )�parent_instancerI rJ rF rM r� ru )rs r\ rI rJ �argsrq r� r@ rA ru = s z InlineForeignKeyField.__init__c C s` || j v r | jr d S | jS | jrt| j| j�}n| jj}t|�t|�kr-t| jd dd��| jS )Nr[ �r� ) r6 rI r\ rJ rF rM r� r ra )rs r| �origr@ r@ rA r� I s �zInlineForeignKeyField.cleanc C s dS �NFr@ )rs r� r2 r@ r@ rA r Z s z!InlineForeignKeyField.has_changed) rg rw rx r/ r r0 r �default_error_messagesru r� r r� r@ r@ r� rA r� 2 s � r� c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �ModelChoiceIteratorValuec C s || _ || _d S rv )r| r; )rs r| r; r@ r@ rA ru _ s z!ModelChoiceIteratorValue.__init__c C � t | j�S rv )r� r| r� r@ r@ rA �__str__c � z ModelChoiceIteratorValue.__str__c C rc rv )�hashr| r� r@ r@ rA �__hash__f re z!ModelChoiceIteratorValue.__hash__c C s t |t�r|j}| j|kS rv )r+ rb r| )rs �otherr@ r@ rA �__eq__i s z ModelChoiceIteratorValue.__eq__N)rg rw rx ru rd rg ri r@ r@ r@ rA rb ^ s rb c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) �ModelChoiceIteratorc C s || _ |j| _d S rv )r/ rK r� r@ r@ rA ru p s z ModelChoiceIterator.__init__c c sJ � | j jd urd| j jfV | j}|js|�� }|D ]}| �|�V qd S )NrD )r/ � empty_labelrK �_prefetch_related_lookups�iterator�choice)rs rK r� r@ r@ rA �__iter__t s � �z ModelChoiceIterator.__iter__c C s | j �� | jjd ur d S d S )Nr r )rK �countr/ rk r� r@ r@ rA �__len__~ s zModelChoiceIterator.__len__c C s | j jd up | j�� S rv )r/ rk rK �existsr� r@ r@ rA �__bool__� s z ModelChoiceIterator.__bool__c C s t | j�|�|�| j�|�fS rv )rb r/ � prepare_value�label_from_instance�rs r� r@ r@ rA rn � s �zModelChoiceIterator.choiceN)rg rw rx ru ro rq rs rn r@ r@ r@ rA rj o s rj 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 ---------TNrD F) rk r� r0 r_ r� r` � to_field_namerU r� c K s^ t j| f|||||d�| �� |r|d us t| jt�r!| s!d | _n|| _|| _| | _|| _d S )N)r� r0 r_ r� r` ) r ru r+ r0 r rk rK rU rw ) rs rK rk r� r0 r_ r� r` rw rU r� rq r@ r@ rA ru � 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. )rh rU r� r@ r@ rA rL � s z%ModelChoiceField.get_limit_choices_toc s* t t| ��|�}| jd ur| j�� |_|S rv )r� r � __deepcopy__rK �all)rs �memo�resultr� r@ rA rx � s z ModelChoiceField.__deepcopy__c C s | j S rv )r� r� r@ r@ rA � _get_queryset� s z ModelChoiceField._get_querysetc C s$ |d u rd n|� � | _| j| j_d S rv )ry r� �choicesr0 )rs rK r@ r@ rA � _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. �r� rv r@ r@ rA ru � s z$ModelChoiceField.label_from_instancec C s t | d�r| jS | �| �S )N�_choices)rP r� rm r� r@ r@ rA � _get_choices� s z ModelChoiceField._get_choicesc s. t |d�r| jr|�| j�S |jS t� �|�S �Nr' )rP rw �serializable_valuerM r� rt �rs r| r� r@ rA rt � s z ModelChoiceField.prepare_valuec C s� || j v rd S z | jp d}t|| jj�rt||�}| jjdi ||i��}W |S tt| jjj fy? t | j d dd|id��w )NrM r[ r| �r� �paramsr@ ) r6 rw r+ rK rR rF r5 r� ri � DoesNotExistr ra )rs r| �keyr@ r@ rA r� � s ���zModelChoiceField.to_pythonc C s t �| |�S rv )r �validater� r@ r@ rA r� r� zModelChoiceField.validatec C s@ | j rdS |d ur |nd}|d ur|nd}t| �|��t|�kS )NFrD )�disabledr� rt )rs r� r2 � initial_value� data_valuer@ r@ rA r s z ModelChoiceField.has_changed)rg rw rx r/ r ra rj rm ru rL rx r| r~ �propertyrK ru r� r � _set_choicesr} rt r� r� r r� r@ r@ r� rA r � s: �� �$ 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 )Nrk )r� ru )rs rK rq r� r@ rA ru # s z!ModelMultipleChoiceField.__init__c C s |sg S t | �|��S rv )r� � _check_valuesr� r@ r@ rA r� & s z"ModelMultipleChoiceField.to_pythonc C sr | � |�}| jr|st| jd dd��| js |s | j�� S t|ttf�s-t| jd dd��| � |�}| � |� |S )Nr� r^ r� ) rt r� r ra rK r= r+ r� r� r� �run_validators)rs r| r� r@ r@ rA r� + s � z ModelMultipleChoiceField.cleanc s� | j pd� zt|�}W n ty t| jd dd��w |D ]$}z | jjd i � |i�� W q ttfyB t| jd dd|id��w | jjd i d� |i��}� fdd�|D �}|D ]}t|�|vrot| jd d d |id��q[|S ) z� Given a list of possible PK values, return a QuerySet of the corresponding objects. Raise a ValidationError if a given value is invalid (not a valid PK, not in the queryset, etc.) rM r� r^ r� r� z%s__inc s h | ] }t t|� ���qS r@ )r� rF r� �r� r@ rA r W rQ z9ModelMultipleChoiceField._check_values.<locals>.<setcomp>r[ r| Nr@ ) rw � frozensetri r ra rK rQ r� r� )rs r| rM r� �pks�valr@ r� rA r� < s< ���� ��z&ModelMultipleChoiceField._check_valuesc sD t |d�r t|t�s t |d�s t� j� � fdd�|D �S t� �|�S )Nro r' c s g | ]}� |��qS r@ r@ )r[ r~ �rt r@ rA r] h r� z:ModelMultipleChoiceField.prepare_value.<locals>.<listcomp>)rP r+ r� r� rt r� r� r� rA rt a s ��� z&ModelMultipleChoiceField.prepare_valuec C s` | j rdS |d u r g }|d u rg }t|�t|�krdS dd� | �|�D �}dd� |D �}||kS )NFTc S � h | ]}t |��qS r@ r �r[ r| r@ r@ rA r t r� z7ModelMultipleChoiceField.has_changed.<locals>.<setcomp>c S r� r@ r r� r@ r@ rA r u r� )r� r� rt )rs r� r2 � initial_set�data_setr@ r@ rA r k s z$ModelMultipleChoiceField.has_changed)rg rw rx r/ r r0 r � hidden_widgetr ra ru r� r� r� rt r r� r@ r@ r� rA r s �� % r c C s" t | d�o| jjd up| jjd uS r� )rP r' r) r< )rb r@ r@ rA �modelform_defines_fieldsy s �r� )NN) NNNNNNNNNr` )7r/ � itertoolsr �django.core.exceptionsr r r r �django.db.models.utilsr �django.forms.fieldsr r �django.forms.formsr r �django.forms.formsetsr r �django.forms.utilsr �django.forms.widgetsr r r r �django.utils.textr r �django.utils.translationr r r r$ r rB r rW r rr ry r r r# r r r! rY r" r� rb rj r r r� r@ r@ r@ rA �<module> s� 0� �nI ] �[ d �G oR �E, c
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