o
    „ó·iáê  ã                   @   sJ  d Z ddlmZ ddlmZmZmZmZ ddlm	Z	 ddl
mZmZ ddlmZmZ ddlmZmZ ddlmZ dd	lmZmZmZmZ dd
lmZmZ ddlmZ ddlmZ  dZ!dZ"d>dd„Z#d>dd„Z$dd„ Z%									d?ddœdd„Z&G dd„ dƒZ'G dd„ deƒZ(G dd„ dee	ƒZ)G d d!„ d!e)e(d"�Z*e*dddddddddf
d#d$„Z+G d%d&„ d&ee	ƒZ,e*de,d'd(d(ddddd(dddddd(ddddd(fd)d*„Z-G d+d,„ d,e,ƒZ.d@d-d.„Z/e*e.dddd/d(ddddd(dddddd(ddddd(fd0d1„Z0G d2d3„ d3eƒZ1G d4d5„ d5ƒZ2G d6d7„ d7ƒZ3G d8d9„ d9eƒZ4G d:d;„ d;e4ƒZ5d<d=„ Z6dS )Az[
Helper functions for creating Form classes from Django models
and database field objects.
é    )Úchain)ÚNON_FIELD_ERRORSÚ
FieldErrorÚImproperlyConfiguredÚValidationError)Ú
AltersData)ÚChoiceFieldÚField)ÚBaseFormÚDeclarativeFieldsMetaclass)ÚBaseFormSetÚformset_factory)Ú	ErrorList)ÚHiddenInputÚMultipleHiddenInputÚRadioSelectÚSelectMultiple)ÚcapfirstÚget_text_list©Úgettext)Úgettext_lazy)Ú	ModelFormÚBaseModelFormÚmodel_to_dictÚfields_for_modelÚModelChoiceFieldÚModelMultipleChoiceFieldÚ
ALL_FIELDSÚBaseModelFormSetÚmodelformset_factoryÚBaseInlineFormSetÚinlineformset_factoryÚmodelform_factoryÚ__all__Nc           	      C   sü   ddl m} |j}| j}g }|jD ]\}|jr!t||jƒs!|j|vr"q|dur,|j|vr,q|r4|j|v r4q| 	¡ rX| |j j
j | j| j|  |j¡¡rX| |j¡| |j j
jv rXqt||jƒ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   )ÚmodelsN)Z	django.dbr%   Ú_metaÚcleaned_dataÚfieldsÚeditableÚ
isinstanceÚ	AutoFieldÚnameÚhas_defaultÚfieldÚwidgetZvalue_omitted_from_dataÚdataÚfilesÚ
add_prefixÚgetÚempty_valuesZ	FileFieldÚappendÚsave_form_data)	ÚformÚinstancer(   Úexcluder%   Úoptsr'   Zfile_field_listÚf© r<   úYC:\Users\psant\Downloads\PAF backend\school\venv\Lib\site-packages\django/forms/models.pyÚconstruct_instance.   s>   
ÿ
þýÿÿþûr>   c                 C   sh   | j }i }t|j|j|jƒD ]#}t|ddƒsq|dur!|j|vr!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   Úconcrete_fieldsÚprivate_fieldsÚmany_to_manyÚgetattrr,   Zvalue_from_object)r8   r(   r9   r:   r0   r;   r<   r<   r=   r   ^   s   r   c                 C   s�   ddl m}m}m} t| dƒrBt| dƒrD|  ¡ }|rF|}t||ƒs(|di |¤Ž}|||dƒd�M }| j || jj	j
 |¡ƒ¡| _dS dS dS dS )	z=Apply limit_choices_to to the formfield's queryset if needed.r   )ÚExistsÚOuterRefÚQÚquerysetÚget_limit_choices_toÚpk©rH   Nr<   )Údjango.db.modelsrC   rD   rE   ÚhasattrrG   r*   rF   ÚfilterÚmodelZ_base_manager)Ú	formfieldrC   rD   rE   Úlimit_choices_toZcomplex_filterr<   r<   r=   Ú#apply_limit_choices_to_to_formfieldw   s   

ÿørP   T©Úapply_limit_choices_toc
                   sà  i ‰g ‰| j }ddlm‰  ‡ fdd„|jD ƒ}tt|j||jƒƒD ]¿}t|ddƒsF|durE|j	|v rEˆdu s;|j	ˆvrEt
d|j	| jf ƒ‚q!|durP|j	|vrPq!ˆrX|j	ˆv rXq!i }|rh|j	|v rh||j	 |d	< |tkss|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< |du r¼|jdi |¤Ž}nt|ƒsÄtdƒ‚||fi |¤Ž}|rÚ|
rÔt|ƒ |ˆ|j	< q!ˆ |j	¡ q!|rî‡‡‡fdd„|D ƒ‰ˆ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 |ˆ ƒr|‘qS r<   )r*   ©Ú.0r;   )Ú
ModelFieldr<   r=   Ú
<listcomp>º   s
    
ÿÿz$fields_for_model.<locals>.<listcomp>r)   FNzH'%s' cannot be specified for %s model form as it is a non-editable fieldr/   TÚlocalizeÚlabelÚ	help_textÚerror_messagesÚ
form_classz1formfield_callback must be a function or callablec                    s,   i | ]}ˆ r
|ˆ vr|ˆvr|ˆ  |¡“qS r<   )r3   rS   )r9   Ú
field_dictÚignoredr<   r=   Ú
<dictcomp>î   s    ýýý
ÿz$fields_for_model.<locals>.<dictcomp>r<   )r&   rJ   r	   r@   Úsortedr   r?   rA   rB   r,   r   Ú__name__r   rN   ÚcallableÚ	TypeErrorrP   r5   )rM   r(   r9   ÚwidgetsÚformfield_callbackÚlocalized_fieldsÚlabelsÚ
help_textsrZ   Úfield_classesrR   r:   Zsortable_private_fieldsr;   ÚkwargsrN   r<   )rU   r9   r\   r]   r=   r   ˆ   sz   ,
ÿÿÿþýý
ÿÿÿÿþr   c                   @   s   e Zd Zddd„ZdS )ÚModelFormOptionsNc                 C   s�   t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |dd ƒ| _t |d	d ƒ| _	t |d
d ƒ| _
d S )NrM   r(   r9   rc   re   rf   rg   rZ   rh   rd   )rB   rM   r(   r9   rc   re   rf   rg   rZ   rh   rd   )ÚselfÚoptionsr<   r<   r=   Ú__init__÷   s   zModelFormOptions.__init__©N)r`   Ú
__module__Ú__qualname__rm   r<   r<   r<   r=   rj   ö   s    rj   c                       s   e Zd Z‡ fdd„Z‡  ZS )ÚModelFormMetaclassc                    s@  t ƒ  | |||¡}|tfkr|S tt|dd ƒƒ }|_dD ]}t||ƒ}t|tƒr:|tkr:d|j	||dœ }t
|ƒ‚q|jr˜|jd u rN|jd u rNtd| ƒ‚|jtkrVd |_t|j|j|j|j|j|j|j|j|j|jdd�}	dd	„ |	 ¡ D ƒ}
|
 |j¡}|r‘d
}|d |¡|jj	f; }t|ƒ‚|	 |j¡ n|j}	|	|_|S )NÚMeta)r(   r9   re   zP%(model)s.Meta.%(opt)s cannot be a string. Did you mean to type: ('%(value)s',)?)rM   ÚoptÚ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|’qS r<   r<   )rT   ÚkÚvr<   r<   r=   Ú	<setcomp><  s    z-ModelFormMetaclass.__new__.<locals>.<setcomp>z&Unknown field(s) (%s) specified for %sz, )ÚsuperÚ__new__r   rj   rB   r&   r*   Ústrr   r`   rb   rM   r(   r9   r   r   rc   rd   re   rf   rg   rZ   rh   ÚitemsÚ
differenceZdeclared_fieldsÚjoinr   ÚupdateÚbase_fields)Zmcsr,   ÚbasesÚattrsÚ	new_classr:   rs   rt   Úmsgr(   Znone_model_fieldsZmissing_fieldsÚmessage©Ú	__class__r<   r=   ry     s`   

ýþÿ	€þÿ
ôzModelFormMetaclass.__new__)r`   ro   rp   ry   Ú__classcell__r<   r<   r…   r=   rq     s    rq   c                       st   e Zd Zdddddedddddf‡ fdd„	Zdd„ Zdd	„ Zd
d„ Zdd„ Zdd„ Z	dd„ Z
ddd„Zde_‡  ZS )r   Núid_%sFc                    sš   | j }|jd u rtdƒ‚|	d u r| ¡ | _i }n|	| _t|	|j|jƒ}|d ur,| |¡ d| _t	ƒ j
|||||||||
|d�
 | j ¡ D ]}t|ƒ qDd S )Nz'ModelForm has no model class specified.F)Úuse_required_attributeÚrenderer)r&   rM   Ú
ValueErrorr8   r   r(   r9   r~   Ú_validate_uniquerx   rm   ÚvaluesrP   )rk   r0   r1   Úauto_idÚprefixÚinitialÚerror_classZlabel_suffixZempty_permittedr8   r‰   rŠ   r:   Zobject_datarN   r…   r<   r=   rm   N  s4   


ö
ÿzBaseModelForm.__init__c                 C   sÌ   t ƒ }| jjjD ][}|j}|| jvr| |j¡ q| jjr*|| jjvr*| |j¡ q| jjr;|| jjv r;| |j¡ q|| jv 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.
        N)Úsetr8   r&   r(   r,   Úaddr9   Ú_errorsr'   r3   ÚblankÚrequiredr4   )rk   r9   r;   r.   Z
form_fieldZfield_valuer<   r<   r=   Ú_get_validation_exclusions|  s,   


	ÿþý€z(BaseModelForm._get_validation_exclusionsc                 C   s   d| _ | jS )NT)rŒ   r'   ©rk   r<   r<   r=   Úclean©  s   zBaseModelForm.cleanc                 C   sª   | j }t|dƒr|j}nt|i}| ¡ D ]8\}}|tkr*|jr*t|jv r*|jt }n|| jv r6| j| j}nq|D ]}t|tƒrK|j	|v rK||j	 |_
q9q|  d |¡ d S )NÚ
error_dict)r&   rK   rš   r   r{   rZ   r(   r*   r   Úcoder„   Z	add_error)rk   Úerrorsr:   rš   r.   ÚmessagesrZ   r„   r<   r<   r=   Ú_update_errors­  s0   
ÿþý
ÿþ€ûzBaseModelForm._update_errorsc              
   C   sÚ   | j }|  ¡ }| j ¡ D ]\}}t|tƒr| |¡ qzt| | j|j|j	ƒ| _W n t
y? } z|  |¡ W Y d }~nd }~ww z
| jj|dd� W n t
ya } z|  |¡ W Y d }~nd }~ww | jrk|  ¡  d S d S )NF)r9   Úvalidate_unique)r&   r—   r(   r{   r*   ÚInlineForeignKeyFieldr“   r>   r8   r9   r   rž   Z
full_cleanrŒ   rŸ   )rk   r:   r9   r,   r.   Úer<   r<   r=   Ú_post_cleanÎ  s.   	

€
ÿ€ÿ€ÿÿzBaseModelForm._post_cleanc              
   C   sN   |   ¡ }z
| jj|d� W dS  ty& } z|  |¡ W Y d}~dS d}~ww )z‚
        Call the instance's validate_unique() method and update the form's
        validation errors if any were raised.
        )r9   N)r—   r8   rŸ   r   rž   )rk   r9   r¡   r<   r<   r=   rŸ   î  s   €ÿzBaseModelForm.validate_uniquec                 C   s€   | j }| jj}| jj}| jj}t|j|jƒD ]'}t|dƒsq|r&|j	|vr&q|r.|j	|v r.q|j	|v r=| 
| j||j	 ¡ qdS )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   )rk   r'   r9   r(   r:   r;   r<   r<   r=   Ú	_save_m2mù  s   

€øzBaseModelForm._save_m2mTc                 C   sZ   | j rtd| jjj| jjjrdf ƒ‚df ƒ‚|r&| j ¡  |  ¡  | jS | j| _	| jS )zë
        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.ÚcreatedÚchangedN)
rœ   r‹   r8   r&   Zobject_nameÚ_stateÚaddingÚsaver£   Úsave_m2m)rk   Úcommitr<   r<   r=   r¨     s$   þÿÿþÿÿ
ÿzBaseModelForm.save©T)r`   ro   rp   r   rm   r—   r™   rž   r¢   rŸ   r£   r¨   Úalters_datar‡   r<   r<   r…   r=   r   M  s*    ô.-! 
r   c                   @   s   e Zd ZdS )r   N)r`   ro   rp   r<   r<   r<   r=   r   )  s    r   )Ú	metaclassc                 C   s  d| i}|dur||d< |dur||d< |dur||d< |dur$||d< |dur,||d< |dur4||d< |	dur<|	|d	< |
durD|
|d
< t |dƒrM|jfnd}td||ƒ}|r\t|ƒ|_| jd }d|i}t|ddƒdu ryt|ddƒdu rytdƒ‚t|ƒ||f|ƒ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   rc   re   rf   rg   rZ   rh   rr   r<   ZFormzZCalling modelform_factory without defining 'fields' or 'exclude' explicitly is prohibited.)rK   rr   ÚtypeÚstaticmethodrd   r`   rB   r   )rM   r7   r(   r9   rd   rc   re   rf   rg   rZ   rh   r�   r€   rr   Ú
class_nameZform_class_attrsr<   r<   r=   r#   -  s8   0

 ÿr#   c                       sæ   e Zd ZdZdZdZeƒ Z					d+ddœ‡ fdd„Z‡ fdd	„Z	d
d„ Z
dd„ Z‡ fdd„Zdd„ Zd,dd„Zd,dd„Zd,dd„Zd,dd„Zde_dd„ Zdd„ Zdd „ Zd!d"„ Zd#d$„ Zd,d%d&„Zd,d'd(„Z‡ fd)d*„Z‡  ZS )-r   zO
    A ``FormSet`` for editing a queryset and/or adding new objects to it.
    NFrˆ   )r�   c                   s0   || _ || _tƒ jdi ||||dœ|¥¤Ž d S )N)r0   r1   rŽ   r�   r<   )rF   Úinitial_extrarx   rm   )rk   r0   r1   rŽ   r�   rF   r�   ri   r…   r<   r=   rm   “  s   
üû
ÿzBaseModelFormSet.__init__c                    s   | j s	t|  ¡ ƒS tƒ  ¡ S )z=Return the number of forms that are required in this FormSet.N)Úis_boundÚlenÚget_querysetrx   Úinitial_form_countr˜   r…   r<   r=   rµ   ª  s   
z#BaseModelFormSet.initial_form_countc                 C   s*   t | dƒsdd„ |  ¡ D ƒ| _| j |¡S )NÚ_object_dictc                 S   s   i | ]}|j |“qS r<   rI   ©rT   Úor<   r<   r=   r^   ²  ó    z5BaseModelFormSet._existing_object.<locals>.<dictcomp>)rK   r´   r¶   r3   )rk   rH   r<   r<   r=   Ú_existing_object°  s   
z!BaseModelFormSet._existing_objectc                 C   s$   |j dur|j  ¡ }|j dus|jS )z‹
        If the field is a related field, fetch the concrete field's (that
        is, the ultimate pointed-to field's) to_python.
        N)Úremote_fieldZget_related_fieldÚ	to_python©rk   r.   r<   r<   r=   Ú_get_to_pythonµ  s   


ÿzBaseModelFormSet._get_to_pythonc                    s  ||   ¡ k }|rR| jrId|  |¡| jjjjf }z| j| }W n	 ty(   Y nDw |  	| jjj¡}z||ƒ}W n	 t
y@   Y n,w |  |¡|d< n#|  ¡ | |d< n| jrlz| j||   ¡   |d< W n	 tyk   Y nw tƒ j|fi |¤Ž}|r‚d|j| jjjj _|S )Nz%s-%sr8   r�   T)rµ   r²   r2   rM   r&   rH   r,   r0   ÚKeyErrorr¾   r   rº   r´   r±   Ú
IndexErrorrx   Ú_construct_formr(   r–   )rk   Úiri   Zpk_requiredZpk_keyrH   r¼   r7   r…   r<   r=   rÁ   ¾  s6   ýýÿz BaseModelFormSet._construct_formc                 C   sL   t | dƒs#| jd ur| j}n| jj ¡ }|js | | jjjj	¡}|| _
| j
S )NÚ	_queryset)rK   rF   rM   Ú_default_managerr´   ZorderedZorder_byr&   rH   r,   rÃ   )rk   Úqsr<   r<   r=   r´   à  s   

zBaseModelFormSet.get_querysetTc                 C   s   |j |d�S )z8Save and return a new model instance for the given form.©rª   N©r¨   ©rk   r7   rª   r<   r<   r=   Úsave_newó  ó   zBaseModelFormSet.save_newc                 C   s   |j |d�S )z>Save and return an existing model instance for the given form.rÆ   NrÇ   )rk   r7   r8   rª   r<   r<   r=   Úsave_existing÷  rÊ   zBaseModelFormSet.save_existingc                 C   s   |r|  ¡  dS dS )z#Deletes an existing model instance.N)Údelete)rk   Úobjrª   r<   r<   r=   Údelete_existingû  s   ÿz BaseModelFormSet.delete_existingc                    s@   |sg ˆ _ ‡ fdd„}|ˆ _ˆ jrˆ  |¡S ˆ  |¡ˆ  |¡ S )zŒ
        Save model instances for every form, adding and changing instances
        as necessary, and return the list of instances.
        c                     s   ˆ j D ]} |  ¡  qd S rn   )Úsaved_formsr©   )r7   r˜   r<   r=   r©     s   

ÿz'BaseModelFormSet.save.<locals>.save_m2mN)rÏ   r©   Ú	edit_onlyÚsave_existing_objectsÚsave_new_objects)rk   rª   r©   r<   r˜   r=   r¨      s   
zBaseModelFormSet.savec                 C   s   |   ¡  d S rn   )rŸ   r˜   r<   r<   r=   r™     ó   zBaseModelFormSet.cleanc                    sò  t ƒ }t ƒ }ˆj‰‡fdd„ˆjD ƒ}|D ]‰ ˆ  ¡ }ˆ jj|dd�\}}| |¡ | |¡ qg }|D ]R\}}	t ƒ }
|D ]H‰ ‡ ‡fdd„|	D ƒ}tdd„ |D ƒƒ}|r…d |vr…||
v r€| ˆ 	|	¡¡ ˆj
ˆ ¡ gˆjd�ˆ jt< |	D ]}|ˆ jv rˆ j|= qt|
 |¡ q=q4|D ]g}t ƒ }
|\}}}}|D ]Y‰ ˆ jrïˆ j| d urïˆ j| d urï|d	kr»ˆ j| }|j|j|jf}n	tˆ j| |ƒf}ˆ j| f| }||
v rê| ˆ |¡¡ ˆj
ˆ ¡ gˆjd�ˆ jt< ˆ j|= |
 |¡ q–q‰|r÷t|ƒ‚d S )
Nc                    s    g | ]}|  ¡ r|ˆ vr|‘qS r<   )Zis_valid)rT   r7   )Úforms_to_deleter<   r=   rV     s    ýýÿz4BaseModelFormSet.validate_unique.<locals>.<listcomp>T)r9   Zinclude_meta_constraintsc                 3   s2   � | ]}|ˆ j v r|ˆjv r|nˆ j | V  qd S rn   )r'   Úunique_fields©rT   r.   )r7   rk   r<   r=   Ú	<genexpr>1  s   € ý
ÿz3BaseModelFormSet.validate_unique.<locals>.<genexpr>c                 s   s8   � | ]}t |d ƒr| ¡ n
t|tƒrt|ƒn|V  qdS )Ú_get_pk_valN)rK   rØ   r*   ÚlistÚtuple)rT   Údr<   r<   r=   r×   7  s   € ý
ý)rŠ   Údate)r’   Údeleted_formsZformsr—   r8   Z_get_unique_checksr~   rÚ   r5   Úget_unique_error_messager‘   Úget_form_errorrŠ   r”   r   r'   r“   ÚyearÚmonthÚdayrB   Úget_date_error_messager   )rk   Zall_unique_checksZall_date_checksZvalid_formsr9   Zunique_checksZdate_checksrœ   ZuclassÚunique_checkZ	seen_dataZrow_datar.   Ú
date_checkÚlookupZ
unique_forrÜ   Z	date_datar0   r<   )r7   rÔ   rk   r=   rŸ     s„   
þ
þ
þüþ
€
€á!ÿþý
þ
€ãÿz BaseModelFormSet.validate_uniquec                 C   s:   t |ƒdkrtdƒd|d i S tdƒdt|tdƒƒi S )Né   z0Please correct the duplicate data for %(field)s.r.   r   zFPlease correct the duplicate data for %(field)s, which must be unique.Úand)r³   r   r   Ú_©rk   rä   r<   r<   r=   rÞ   t  s   ÿÿÿþz)BaseModelFormSet.get_unique_error_messagec                 C   s$   t dƒ|d |d t|d ƒdœ S )NzoPlease correct the duplicate data for %(field_name)s which must be unique for the %(lookup)s in %(date_field)s.é   é   rç   )Ú
field_nameZ
date_fieldræ   )r   rz   )rk   rå   r<   r<   r=   rã   €  s   ÿ
ýýz'BaseModelFormSet.get_date_error_messagec                 C   s   t dƒS )Nz*Please correct the duplicate values below.r   r˜   r<   r<   r=   rß   Š  s   zBaseModelFormSet.get_form_errorc                 C   s¦   g | _ g | _| jsg S g }| j}| jD ]=}|j}|jd u rq||v r0| j |¡ | j||d� q| ¡ rP| j  ||j	f¡ | | j
|||d�¡ |sP| j |¡ q|S ©NrÆ   )Zchanged_objectsZdeleted_objectsZinitial_formsrÝ   r8   rH   r5   rÎ   Úhas_changedZchanged_datarË   rÏ   )rk   rª   Zsaved_instancesrÔ   r7   rÍ   r<   r<   r=   rÑ   �  s(   

€z&BaseModelFormSet.save_existing_objectsc                 C   sZ   g | _ | jD ]#}| ¡ sq| jr|  |¡rq| j  | j||d�¡ |s)| j |¡ q| j S rî   )Znew_objectsZextra_formsrï   Ú
can_deleteZ_should_delete_formr5   rÉ   rÏ   )rk   rª   r7   r<   r<   r=   rÒ   §  s   
€z!BaseModelFormSet.save_new_objectsc           	         s$  ddl m‰ m}m} | jjj | _}‡ ‡fdd„‰ˆ|ƒs#|j|j	vr‰|j
r2|jjjr-dn|jj}nz|dur?|  ¡ | j}nd}W n tyM   d}Y nw t|||fƒr]|jjj ¡ }n| jj ¡ }| |jjj¡}|jjrz|jj | jjt¡}nt}t||d|d�|j	| jj< tƒ  ||¡ dS )z0Add a hidden field for the object's primary key.r   )r+   Ú
ForeignKeyÚOneToOneFieldc                    s6   | j  p| jpt| ˆ ƒp| jo| jjoˆ| jjjjƒS rn   )r)   Zauto_createdr*   r»   Zparent_linkrM   r&   rH   rI   ©r+   Úpk_is_not_editabler<   r=   rô   À  s   ÿÿúz7BaseModelFormSet.add_fields.<locals>.pk_is_not_editableNF)r�   r–   r/   )rJ   r+   rñ   rò   rM   r&   rH   Ú	_pk_fieldr,   r(   r²   r8   r¦   r§   r´   rÀ   r*   r»   rÄ   ZusingÚdbrc   r3   r   r   rx   Ú
add_fields)	rk   r7   Úindexrñ   rò   rH   Zpk_valuerÅ   r/   r…   ró   r=   r÷   µ  s2   €ÿÿzBaseModelFormSet.add_fields)NNrˆ   NNr«   )r`   ro   rp   Ú__doc__rM   rÐ   r’   rÕ   rm   rµ   rº   r¾   rÁ   r´   rÉ   rË   rÎ   r¨   r¬   r™   rŸ   rÞ   rã   rß   rÑ   rÒ   r÷   r‡   r<   r<   r…   r=   r   ˆ  s>    úø	"



]


r   rç   Fc                 C   s‚   t |ddƒ}t |d|ƒdu rt |d|	ƒdu rtdƒ‚t| |||	||
|||||d�}t||||||||||||d�}| |_||_|S )z8Return a FormSet class for the given Django model class.rr   Nr(   r9   z]Calling modelformset_factory without defining 'fields' or 'exclude' explicitly is prohibited.)
r7   r(   r9   rd   rc   re   rf   rg   rZ   rh   )
ÚextraÚmin_numÚmax_numÚ	can_orderrð   Úvalidate_minÚvalidate_maxÚabsolute_maxÚcan_delete_extrarŠ   )rB   r   r#   r   rM   rÐ   )rM   r7   rd   Úformsetrú   rð   rý   rü   r(   r9   rc   rÿ   re   rf   rg   rZ   rû   rþ   rh   r   r  rŠ   rÐ   ÚmetaÚFormSetr<   r<   r=   r    è  sL   ÿþÿõôr    c                       sx   e Zd ZdZ						d‡ fdd„	Z‡ fdd„Z‡ fdd	„Zed
d„ ƒZd‡ fdd„	Z	‡ fdd„Z
‡ fdd„Z‡  ZS )r!   z0A formset for child objects related to a parent.NFc           	         sì   |d u r| j j ¡ | _n|| _|| _|d u r| jj}| jjd ur.|jdi | j j| ji¤Ž}n| 	¡ }| j jh| _
tƒ j||f||dœ|¤Ž | jjjrr| j j| jjjvrtt| jjjtƒrft| jjjƒ| jj_| jjj | j j¡ d S d S d S )N)r�   rF   r<   )Úfkr»   rM   r8   Úsave_as_newrÄ   rH   rL   r,   ÚnonerÕ   rx   rm   r7   r&   r(   r*   rÚ   rÙ   r5   )	rk   r0   r1   r8   r  r�   rF   ri   rÅ   r…   r<   r=   rm   2  s    
ýzBaseInlineFormSet.__init__c                    s   | j rdS tƒ  ¡ S )Nr   )r  rx   rµ   r˜   r…   r<   r=   rµ   Q  s   
z$BaseInlineFormSet.initial_form_countc                    sÈ   t ƒ j|fi |¤Ž}| jr8t|jdd ƒ}|d urd|j_d |j| | jj¡< d |j| | j	j¡< |d ur8||j_| j
j}| j	jj| j	jjjjjkrXt| j
| j	jjƒ}t|d|ƒ}t|j
| j	 ¡ |ƒ |S )NÚ_mutableTrH   )rx   rÁ   r  rB   r0   r  r2   rõ   r,   r  r8   rH   r»   rí   rM   r&   ÚsetattrZget_attname)rk   rÂ   ri   r7   ZmutableZfk_valuer…   r<   r=   rÁ   V  s   z!BaseInlineFormSet._construct_formc                 C   s   | j jj| jd� dd¡S )N)rM   ú+Ú )r  r»   Zget_accessor_namerM   Úreplace)Úclsr<   r<   r=   Úget_default_prefixm  s   z$BaseInlineFormSet.get_default_prefixTc                    s$   t |j| jj| jƒ tƒ j||d�S rî   )r	  r8   r  r,   rx   rÉ   rÈ   r…   r<   r=   rÉ   q  s   zBaseInlineFormSet.save_newc                    sæ   t ƒ  ||¡ | j| jkr| jj}ddi}n| jj}dt|j |¡dt| jj	ƒƒi}| jj
j| jj
jjjjkr>| jj
j|d< | jjjre| d¡d urT| jj |d ¡}n| jjj}| ¡ ret| j|jd ƒ t| jfi |¤Ž|j|< d S )NÚpk_fieldTrX   Úto_field)rx   r÷   rõ   r  r,   rB   r(   r3   r   Zverbose_namer»   rí   rM   r&   rH   r8   r¦   r§   Ú	get_fieldr-   r	  Zattnamer    )rk   r7   rø   r,   ri   r  r…   r<   r=   r÷   x  s$   
ÿÿ	

zBaseInlineFormSet.add_fieldsc                    s   ‡ fdd„|D ƒ}t ƒ  |¡S )Nc                    s   g | ]
}|ˆ j jkr|‘qS r<   )r  r,   rÖ   r˜   r<   r=   rV   š  s    z>BaseInlineFormSet.get_unique_error_message.<locals>.<listcomp>)rx   rÞ   rê   r…   r˜   r=   rÞ   ™  s   z*BaseInlineFormSet.get_unique_error_message)NNNFNNr«   )r`   ro   rp   rù   rm   rµ   rÁ   Úclassmethodr  rÉ   r÷   rÞ   r‡   r<   r<   r…   r=   r!   /  s     ù
!r!   c                    s<  ddl m‰  |j}ˆrc‡fdd„|jD ƒ}t|ƒdkrU|d }ˆj ¡ ‰t|ˆ ƒrI|jjjj	r7|jjjj
ˆvsI|jjjj	sS|jjˆkrS|jjˆvrStdˆˆjjf ƒ‚|S |satd|jjˆf ƒ‚|S ˆj ¡ ‰‡ ‡‡fdd„|jD ƒ}t|ƒdkr€|d }|S |s’|r†d	S td
|jjˆjjf ƒ‚td|jjˆjjf ƒ‚)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   )rñ   c                    s   g | ]	}|j ˆ kr|‘qS r<   )r,   rS   ©Úfk_namer<   r=   rV   «  ó    z$_get_foreign_key.<locals>.<listcomp>rç   z)fk_name '%s' is not a ForeignKey to '%s'.z'%s' has no field named '%s'.c                    sN   g | ]#}t |ˆ ƒr|jjˆks#|jjˆv s#|jjjjr|jjjjˆv r|‘qS r<   )r*   r»   rM   r&   ÚproxyÚproxy_for_modelrS   )rñ   Úparent_listÚparent_modelr<   r=   rV   È  s    ý
û
ú
ø	÷ÿNz'%s' has no ForeignKey to '%s'.zR'%s' has more than one ForeignKey to '%s'. You must specify a 'fk_name' attribute.)rJ   rñ   r&   r(   r³   Zget_parent_listr*   r»   rM   r  r  r‹   rX   )r  rM   r  Zcan_failr:   Zfks_to_parentr  r<   )rñ   r  r  r  r=   Ú_get_foreign_keyž  sl   	
ÿ
üû
	÷

ö
õ
ÿÿ-×ÿ(
Ýþíþÿÿþþÿr  rì   c                 C   s¬   t | ||d�}|jrd}
i d|“d|“d|“d|“d|	“d|“d	|“d
|“d|“d|
“d|“d|“d|“d|“d|“d|“d|“|||||dœ¥}t|fi |¤Ž}||_|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  rç   r7   rd   r  rú   rð   rý   r(   r9   rû   rü   rc   rþ   rÿ   re   rf   rg   rZ   )rh   r   r  rŠ   rÐ   N)r  Úuniquer    r  )r  rM   r7   r  r  r(   r9   rú   rý   rð   rü   rd   rc   rÿ   re   rf   rg   rZ   rû   rþ   rh   r   r  rŠ   rÐ   r  ri   r  r<   r<   r=   r"   í  s^   !ÿþýüûúùø	÷
öõôóòñðïêr"   c                       sH   e Zd ZdZeZdedƒiZdddœ‡ fdd„
Zd	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.
    Úinvalid_choicez3The inline value did not match the parent instance.FN)r  r  c                   s`   || _ || _|| _| j d ur!| jrt| j | jƒ|d< n| j j|d< d|d< tƒ j|i |¤Ž d S )Nr�   Fr–   )Úparent_instancer  r  rB   rH   rx   rm   )rk   r  r  r  Úargsri   r…   r<   r=   rm   =  s   
zInlineForeignKeyField.__init__c                 C   s`   || j v r| jr
d S | jS | jrt| j| jƒ}n| jj}t|ƒt|ƒkr-t| jd dd�‚| jS )Nr  ©r›   )	r4   r  r  r  rB   rH   rz   r   rZ   )rk   rt   Úorigr<   r<   r=   r™   I  s   

ÿzInlineForeignKeyField.cleanc                 C   s   dS ©NFr<   )rk   r�   r0   r<   r<   r=   rï   Z  s   z!InlineForeignKeyField.has_changed)r`   ro   rp   rù   r   r/   ré   Údefault_error_messagesrm   r™   rï   r‡   r<   r<   r…   r=   r    2  s    ÿr    c                   @   s,   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	S )
ÚModelChoiceIteratorValuec                 C   s   || _ || _d S rn   )rt   r8   )rk   rt   r8   r<   r<   r=   rm   _  s   
z!ModelChoiceIteratorValue.__init__c                 C   ó
   t | jƒS rn   )rz   rt   r˜   r<   r<   r=   Ú__str__c  ó   
z ModelChoiceIteratorValue.__str__c                 C   r$  rn   )Úhashrt   r˜   r<   r<   r=   Ú__hash__f  r&  z!ModelChoiceIteratorValue.__hash__c                 C   s   t |tƒr|j}| j|kS rn   )r*   r#  rt   )rk   Úotherr<   r<   r=   Ú__eq__i  s   

zModelChoiceIteratorValue.__eq__N)r`   ro   rp   rm   r%  r(  r*  r<   r<   r<   r=   r#  ^  s
    r#  c                   @   s4   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ ZdS )ÚModelChoiceIteratorc                 C   s   || _ |j| _d S rn   )r.   rF   r½   r<   r<   r=   rm   p  s   zModelChoiceIterator.__init__c                 c   sJ   � | j jd urd| j jfV  | j}|js| ¡ }|D ]}|  |¡V  qd S )Nr  )r.   Úempty_labelrF   Z_prefetch_related_lookupsÚiteratorÚchoice)rk   rF   rÍ   r<   r<   r=   Ú__iter__t  s   €ÿzModelChoiceIterator.__iter__c                 C   s    | j  ¡ | jjd urd S d S )Nrç   r   )rF   Úcountr.   r,  r˜   r<   r<   r=   Ú__len__~  s    zModelChoiceIterator.__len__c                 C   s   | j jd up
| j ¡ S rn   )r.   r,  rF   Úexistsr˜   r<   r<   r=   Ú__bool__„  s   zModelChoiceIterator.__bool__c                 C   s   t | j |¡|ƒ| j |¡fS rn   )r#  r.   Úprepare_valueÚlabel_from_instance©rk   rÍ   r<   r<   r=   r.  ‡  s   
þzModelChoiceIterator.choiceN)r`   ro   rp   rm   r/  r1  r3  r.  r<   r<   r<   r=   r+  o  s    
r+  c                
       s°   e Zd ZdZdedƒiZeZdddddddddd	œ	d
d„Zdd„ Z	‡ fdd„Z
dd„ Zdd„ ZeeeƒZdd„ Zdd„ ZeeejƒZ‡ fdd„Zdd„ Zdd„ Zdd„ Z‡  ZS ) 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/   rX   r�   rY   Úto_field_namerO   r•   c       	         K   s^   t j| f|||||dœ|¤Ž |r|d ust| jtƒr!|
s!d | _n|| _|| _|	| _|| _d S )N)r–   r/   rX   r�   rY   )	r	   rm   r*   r/   r   r,  rF   rO   r7  )rk   rF   r,  r–   r/   rX   r�   rY   r7  rO   r•   ri   r<   r<   r=   rm   š  s*   ÿúù	
ÿÿ
zModelChoiceField.__init__c                 C   s   t | jƒr	|  ¡ S | jS )z�
        Return ``limit_choices_to`` for this form field.

        If it is a callable, invoke it and return the result.
        N)ra   rO   r˜   r<   r<   r=   rG   ¾  s   
z%ModelChoiceField.get_limit_choices_toc                    s*   t t| ƒ |¡}| jd ur| j ¡ |_|S rn   )rx   r   Ú__deepcopy__rF   Úall)rk   ÚmemoÚresultr…   r<   r=   r8  È  s   
zModelChoiceField.__deepcopy__c                 C   s   | j S rn   )rÃ   r˜   r<   r<   r=   Ú_get_querysetÏ  s   zModelChoiceField._get_querysetc                 C   s$   |d u rd n|  ¡ | _| j| j_d S rn   )r9  rÃ   Úchoicesr/   )rk   rF   r<   r<   r=   Ú_set_querysetÒ  s   zModelChoiceField._set_querysetc                 C   s   t |ƒS )zÍ
        Convert objects into strings and generate the labels for the choices
        presented by this object. Subclasses can override this method to
        customize the display of the choices.
        N©rz   r6  r<   r<   r=   r5  Ú  s   z$ModelChoiceField.label_from_instancec                 C   s   t | dƒr| jS |  | ¡S )NÚ_choices)rK   r@  r-  r˜   r<   r<   r=   Ú_get_choicesâ  s   

	zModelChoiceField._get_choicesc                    s.   t |dƒr| jr| | j¡S |jS tƒ  |¡S ©Nr&   )rK   r7  Zserializable_valuerH   rx   r4  ©rk   rt   r…   r<   r=   r4  ó  s
   
zModelChoiceField.prepare_valuec              
   C   s€   || j v rd S z| jpd}t|| jjƒrt||ƒ}| jjdi ||i¤Ž}W |S  tt| jjj	fy?   t
| jd dd|id�‚w )NrH   r  rt   ©r›   Úparamsr<   )r4   r7  r*   rF   rM   rB   r3   r‹   rb   ZDoesNotExistr   rZ   )rk   rt   Úkeyr<   r<   r=   r¼   û  s   


úýÿzModelChoiceField.to_pythonc                 C   s   t  | |¡S rn   )r	   ÚvalidaterC  r<   r<   r=   rG    rÓ   zModelChoiceField.validatec                 C   s@   | j rdS |d ur|nd}|d ur|nd}t|  |¡ƒt|ƒkS )NFr  )Údisabledrz   r4  )rk   r�   r0   Úinitial_valueZ
data_valuer<   r<   r=   rï     s
   zModelChoiceField.has_changed)r`   ro   rp   rù   ré   r"  r+  r-  rm   rG   r8  r<  r>  ÚpropertyrF   r5  rA  r   Z_set_choicesr=  r4  r¼   rG  rï   r‡   r<   r<   r…   r=   r   Ž  s:    ÿÿô$

r   c                       sl   e Zd ZdZeZeZedƒedƒedƒdœZ	‡ fdd„Z
dd	„ Zd
d„ Zdd„ Z‡ fdd„Zdd„ Z‡  ZS )r   z9A MultipleChoiceField whose choices are a model QuerySet.zEnter a list of values.zESelect a valid choice. %(value)s is not one of the available choices.u"   â€œ%(pk)sâ€� is not a valid value.)Úinvalid_listr  Úinvalid_pk_valuec                    s   t ƒ j|fdd i|¤Ž d S )Nr,  )rx   rm   )rk   rF   ri   r…   r<   r=   rm   #  s   z!ModelMultipleChoiceField.__init__c                 C   s   |sg S t |  |¡ƒS rn   )rÙ   Ú_check_valuesrC  r<   r<   r=   r¼   &  s   z"ModelMultipleChoiceField.to_pythonc                 C   sr   |   |¡}| jr|st| jd dd�‚| js|s| j ¡ S t|ttfƒs-t| jd dd�‚|  	|¡}|  
|¡ |S )Nr–   r  rK  )r4  r–   r   rZ   rF   r  r*   rÙ   rÚ   rM  Zrun_validators)rk   rt   rÅ   r<   r<   r=   r™   +  s   



þ

zModelMultipleChoiceField.cleanc              
      sä   | j pd‰ zt|ƒ}W n ty   t| jd dd�‚w |D ]$}z| jjdi ˆ |i¤Ž W q ttfyB   t| jd dd|id�‚w | jjdi dˆ  |i¤Ž}‡ fdd„|D ƒ}|D ]}t|ƒ|vrot| jd	 d	d
|id�‚q[|S )zÕ
        Given a list of possible PK values, return a QuerySet of the
        corresponding objects. Raise a ValidationError if a given value is
        invalid (not a valid PK, not in the queryset, etc.)
        rH   rK  r  rL  rD  z%s__inc                    s   h | ]	}t t|ˆ ƒƒ’qS r<   )rz   rB   r·   ©rF  r<   r=   rw   W  r  z9ModelMultipleChoiceField._check_values.<locals>.<setcomp>r  rt   Nr<   )	r7  Ú	frozensetrb   r   rZ   rF   rL   r‹   rz   )rk   rt   rH   rÅ   ZpksÚvalr<   rN  r=   rM  <  s<   
þþýÿýÿz&ModelMultipleChoiceField._check_valuesc                    sD   t |dƒrt|tƒst |dƒstƒ j‰ ‡ fdd„|D ƒS tƒ  |¡S )Nr/  r&   c                    s   g | ]}ˆ |ƒ‘qS r<   r<   )rT   rv   ©r4  r<   r=   rV   h  r¹   z:ModelMultipleChoiceField.prepare_value.<locals>.<listcomp>)rK   r*   rz   rx   r4  rC  r…   rQ  r=   r4  a  s   ÿþýz&ModelMultipleChoiceField.prepare_valuec                 C   s`   | j rdS |d u rg }|d u rg }t|ƒt|ƒkrdS dd„ |  |¡D ƒ}dd„ |D ƒ}||kS )NFTc                 S   ó   h | ]}t |ƒ’qS r<   r?  ©rT   rt   r<   r<   r=   rw   t  r¹   z7ModelMultipleChoiceField.has_changed.<locals>.<setcomp>c                 S   rR  r<   r?  rS  r<   r<   r=   rw   u  r¹   )rH  r³   r4  )rk   r�   r0   Zinitial_setZdata_setr<   r<   r=   rï   k  s   z$ModelMultipleChoiceField.has_changed)r`   ro   rp   rù   r   r/   r   Zhidden_widgetré   r"  rm   r¼   r™   rM  r4  rï   r‡   r<   r<   r…   r=   r     s     ÿû%
r   c                 C   s"   t | dƒo| jjd up| jjd uS rB  )rK   r&   r(   r9   )r[   r<   r<   r=   Úmodelform_defines_fieldsy  s   
ÿrT  )NN)	NNNNNNNNNr!  )7rù   Ú	itertoolsr   Zdjango.core.exceptionsr   r   r   r   Zdjango.db.models.utilsr   Zdjango.forms.fieldsr   r	   Zdjango.forms.formsr
   r   Zdjango.forms.formsetsr   r   Zdjango.forms.utilsr   Zdjango.forms.widgetsr   r   r   r   Zdjango.utils.textr   r   Zdjango.utils.translationr   r   ré   r$   r   r>   r   rP   r   rj   rq   r   r   r#   r   r    r!   r  r"   r    r#  r+  r   r   rT  r<   r<   r<   r=   Ú<module>   sÐ    

0öônI ]
õ[  d
éG
oR
çE, 	c