U
    }®cãâ  ã                   @   s,  d Z ddl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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 ddlmZmZ ddlmZm Z! dZ"dZ#d=dd„Z$d>dd„Z%dd„ Z&d?ddœdd„Z'G dd„ dƒZ(G dd„ deƒZ)G dd„ deƒZ*G dd „ d e*e)d!�Z+e+dddddddddf
d"d#„Z,G d$d%„ d%eƒZ-e+de-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-„Z0e+e/dddd.d'ddddd'dddddd'dddfd/d0„Z1G d1d2„ d2eƒZ2G d3d4„ d4ƒZ3G d5d6„ d6ƒZ4G d7d8„ d8e
ƒZ5G d9d:„ d:e5ƒZ6d;d<„ Z7dS )Az[
Helper functions for creating Form classes from Django models
and database field objects.
é    N)Úchain)ÚNON_FIELD_ERRORSÚ
FieldErrorÚImproperlyConfiguredÚValidationError)ÚChoiceFieldÚField)ÚBaseFormÚDeclarativeFieldsMetaclass)ÚBaseFormSetÚformset_factory)Ú	ErrorList)ÚHiddenInputÚMultipleHiddenInputÚRadioSelectÚSelectMultiple)ÚRemovedInDjango40Warning)ÚcapfirstÚget_text_list)ÚgettextÚgettext_lazy)Ú	ModelFormÚBaseModelFormÚmodel_to_dictÚfields_for_modelÚModelChoiceFieldÚModelMultipleChoiceFieldÚ
ALL_FIELDSÚBaseModelFormSetÚmodelformset_factoryÚBaseInlineFormSetÚinlineformset_factoryÚmodelform_factoryÚ__all__c           	      C   sü   ddl m} |j}| j}g }|jD ]¸}|jr"t||jƒs"|j|krDq"|dk	rX|j|krXq"|rh|j|krhq"| 	¡ r°| |j j
j | j| j|  |j¡¡r°| |j¡| |j j
jkr°q"t||jƒrÈ| |¡ q"| |||j ¡ q"|D ]}| |||j ¡ qà|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;   ú7/tmp/pip-unpacked-wheel-7m9rsep5/django/forms/models.pyÚconstruct_instance    s4    
ÿÿ"þýr=   c                 C   sh   | j }i }t|j|j|jƒD ]F}t|ddƒs.q|dk	rB|j|krBq|rR|j|k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   Úconcrete_fieldsÚprivate_fieldsÚmany_to_manyÚgetattrr+   Zvalue_from_object)r7   r'   r8   r9   r/   r:   r;   r;   r<   r   I   s    r   c                 C   s€   ddl m}m}m} t| dƒr|t| dƒr||  ¡ }|r||}t||ƒsL|f |Ž}|||dƒd�M }| j || jj	j
 |¡ƒ¡| _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©rG   N)Údjango.db.modelsrB   rC   rD   ÚhasattrrF   r)   rE   ÚfilterÚmodelZ_base_manager)Ú	formfieldrB   rC   rD   Úlimit_choices_toZcomplex_filterr;   r;   r<   Ú#apply_limit_choices_to_to_formfieldb   s    

ÿrO   T©Úapply_limit_choices_toc
                   sö  i ‰g ‰| j }ddlm‰  ‡ fdd„|jD ƒ}tt|j||jƒƒD �]�}t|ddƒsŽ|dk	rB|j	|krBˆdksx|j	ˆkrBt
d|j	| jf ƒ‚qB|dk	r¢|j	|kr¢qBˆr²|j	ˆkr²qBi }|rÒ|j	|krÒ||j	 |d	< |tksè|rð|j	|krðd
|d< |�r|j	|k�r||j	 |d< |�r0|j	|k�r0||j	 |d< |�rP|j	|k�rP||j	 |d< |	�rp|j	|	k�rp|	|j	 |d< |dk�rˆ|jf |Ž}n t|ƒ�sœtdƒ‚n||f|Ž}|�rÈ|
�r¼t|ƒ |ˆ|j	< qBˆ |j	¡ qB|�rò‡‡‡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>™   s     
 z$fields_for_model.<locals>.<listcomp>r(   FNzH'%s' cannot be specified for %s model form as it is a non-editable fieldr.   TZlocalizeÚlabelÚ	help_textÚerror_messagesÚ
form_classz1formfield_callback must be a function or callablec                    s,   i | ]$}ˆ r|ˆ kr|ˆkr|ˆ  |¡“qS r;   )r2   rR   )r8   Ú
field_dictÚignoredr;   r<   Ú
<dictcomp>Ä   s     ÿ z$fields_for_model.<locals>.<dictcomp>)r%   rI   r   r?   Úsortedr   r>   r@   rA   r+   r   Ú__name__r   rM   ÚcallableÚ	TypeErrorrO   r4   )rL   r'   r8   ÚwidgetsÚformfield_callbackÚlocalized_fieldsÚlabelsÚ
help_textsrX   Úfield_classesrQ   r9   Zsortable_private_fieldsr:   ÚkwargsrM   r;   )rT   r8   rZ   r[   r<   r   r   sf    "ÿÿ ÿÿ


ÿ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| _	d S )
NrL   r'   r8   ra   rc   rd   re   rX   rf   )
rA   rL   r'   r8   ra   rc   rd   re   rX   rf   )ÚselfÚoptionsr;   r;   r<   Ú__init__Ì   s    zModelFormOptions.__init__)N)r^   Ú
__module__Ú__qualname__rk   r;   r;   r;   r<   rh   Ë   s   rh   c                       s   e Zd Z‡ fdd„Z‡  ZS )ÚModelFormMetaclassc                    s~  d }|D ]&}t |dƒrt |jdƒr|jj} q0q| d|¡}tƒ  | |||¡}|tfkr\|S tt|dd ƒƒ }|_	dD ]:}	t||	ƒ}
t
|
tƒrv|
tkrvd|j|	|
dœ }t|ƒ‚qv|j�rn|jd krÚ|jd krÚtd| ƒ‚|jtkrêd |_t|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Metarb   )r'   r8   rc   zP%(model)s.Meta.%(opt)s cannot be a string. Did you mean to type: ('%(value)s',)?)rL   ÚoptÚvaluez|Creating a ModelForm without either the 'fields' attribute or the 'exclude' attribute is prohibited; form %s needs updating.FrP   c                 S   s   h | ]\}}|s|’qS r;   r;   )rS   ÚkÚvr;   r;   r<   Ú	<setcomp>  s      z-ModelFormMetaclass.__new__.<locals>.<setcomp>z&Unknown field(s) (%s) specified for %sz, )!rJ   ro   rb   ÚpopÚsuperÚ__new__r   rh   rA   r%   r)   Ústrr   r^   r`   rL   r'   r8   r   r   ra   rc   rd   re   rX   rf   ÚitemsÚ
differenceZdeclared_fieldsÚjoinr   ÚupdateZbase_fields)Zmcsr+   ÚbasesÚattrsZbase_formfield_callbackÚbrb   Ú	new_classr9   rp   rq   Úmsgr'   Znone_model_fieldsZmissing_fieldsÚmessage©Ú	__class__r;   r<   rw   Ù   sl    

ýÿ
þÿ
       û	
ÿzModelFormMetaclass.__new__)r^   rl   rm   rw   Ú__classcell__r;   r;   rƒ   r<   rn   Ø   s   rn   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 krtdƒ‚|	d kr0| ¡ | _i }n|	| _t|	|j|jƒ}|d k	rX| |¡ d| _t	ƒ j
|||||||||
|d�
 | j ¡ D ]}t|ƒ qˆd S )Nz'ModelForm has no model class specified.F)Úuse_required_attributeÚrenderer)r%   rL   Ú
ValueErrorr7   r   r'   r8   r|   Ú_validate_uniquerv   rk   ÚvaluesrO   )ri   r/   r0   Úauto_idÚprefixÚinitialÚerror_classZlabel_suffixZempty_permittedr7   r‡   rˆ   r9   Zobject_datarM   rƒ   r;   r<   rk   !  s2    


       ýzBaseModelForm.__init__c                 C   sÊ   g }| j jjD ]¶}|j}|| jkr0| |j¡ q| jjrR|| jjkrR| |j¡ q| jjrt|| jjkrt| |j¡ q|| jkrŒ| |j¡ q| j| }| j |¡}|j	s|j
s||jkr| |j¡ q|S )z‘
        For backwards-compatibility, exclude several types of fields from model
        validation. See tickets #12507, #12521, #12553.
        )r7   r%   r'   r+   r4   r8   Ú_errorsr&   r2   ÚblankÚrequiredr3   )ri   r8   r:   r-   Z
form_fieldZfield_valuer;   r;   r<   Ú_get_validation_exclusions>  s     

	
z(BaseModelForm._get_validation_exclusionsc                 C   s   d| _ | jS )NT)rŠ   r&   ©ri   r;   r;   r<   Úcleang  s    zBaseModelForm.cleanc                 C   sª   | j }t|dƒr|j}nt|i}| ¡ D ]p\}}|tkrT|jrTt|jkrT|jt }n|| jkr(| j| j}nq(|D ]$}t|tƒrr|j	|krr||j	 |_
qrq(|  d |¡ d S )NÚ
error_dict)r%   rJ   r–   r   ry   rX   r'   r)   r   Úcoder‚   Z	add_error)ri   Úerrorsr9   r–   r-   ÚmessagesrX   r‚   r;   r;   r<   Ú_update_errorsk  s$    
ÿ

ÿzBaseModelForm._update_errorsc              
   C   sÒ   | j }|  ¡ }| j ¡ D ]\}}t|tƒr| |¡ qzt| | j|j|j	ƒ| _W n, t
k
r| } z|  |¡ W 5 d }~X Y nX z| jj|dd� W n, t
k
r¾ } z|  |¡ W 5 d }~X Y nX | jrÎ|  ¡  d S )NF)r8   Úvalidate_unique)r%   r“   r'   ry   r)   ÚInlineForeignKeyFieldr4   r=   r7   r8   r   rš   Z
full_cleanrŠ   r›   )ri   r9   r8   r+   r-   Úer;   r;   r<   Ú_post_clean‡  s    	
zBaseModelForm._post_cleanc              
   C   sL   |   ¡ }z| jj|d� W n, tk
rF } z|  |¡ W 5 d}~X Y nX dS )z‚
        Call the instance's validate_unique() method and update the form's
        validation errors if any were raised.
        ©r8   N)r“   r7   r›   r   rš   )ri   r8   r�   r;   r;   r<   r›   ¥  s
    zBaseModelForm.validate_uniquec                 C   s€   | j }| jj}| jj}| jj}t|j|jƒD ]N}t|dƒs<q,|rL|j	|krLq,|r\|j	|kr\q,|j	|kr,| 
| j||j	 ¡ q,dS )zS
        Save the many-to-many fields and generic relations for this form.
        r5   N)r&   r%   r8   r'   r7   r   r@   r?   rJ   r+   r5   )ri   r&   r8   r'   r9   r:   r;   r;   r<   Ú	_save_m2m°  s    

zBaseModelForm._save_m2mTc                 C   sP   | j r*td| jjj| jjjr dndf ƒ‚|rB| j ¡  |  ¡  n| 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changed)
r˜   r‰   r7   r%   Zobject_nameÚ_stateÚaddingÚsaver    Úsave_m2m)ri   Úcommitr;   r;   r<   r¥   Å  s    þÿ

zBaseModelForm.save)T)r^   rl   rm   r   rk   r“   r•   rš   rž   r›   r    r¥   Úalters_datar…   r;   r;   rƒ   r<   r      s"       ý)
r   c                   @   s   e Zd ZdS )r   N)r^   rl   rm   r;   r;   r;   r<   r   ß  s   r   )Ú	metaclassc                 C   s  d| i}|dk	r||d< |dk	r(||d< |dk	r8||d< |dk	rH||d< |dk	rX||d< |dk	rh||d< |	dk	rx|	|d	< |
dk	rˆ|
|d
< t |dƒrš|jfnd}td||ƒ}|r¸t|ƒ|_| jd }||dœ}t|ddƒdkrôt|ddƒdkrôt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.
    rL   Nr'   r8   ra   rc   rd   re   rX   rf   ro   r;   ZForm)ro   rb   zZCalling modelform_factory without defining 'fields' or 'exclude' explicitly is prohibited.)rJ   ro   ÚtypeÚstaticmethodrb   r^   rA   r   )rL   r6   r'   r8   rb   ra   rc   rd   re   rX   rf   r~   r}   ro   Ú
class_nameZform_class_attrsr;   r;   r<   r"   ã  s@    '

þÿÿr"   c                       sØ   e 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d0d&d'„Z‡ fd(d)„Z‡  ZS )1r   zO
    A ``FormSet`` for editing a queryset and/or adding new objects to it.
    Nr†   )rŽ   c                   s,   || _ || _tƒ jf ||||dœ|–Ž d S )N)r/   r0   rŒ   r�   )rE   Úinitial_extrarv   rk   )ri   r/   r0   rŒ   r�   rE   rŽ   rg   rƒ   r;   r<   rk   A  s    zBaseModelFormSet.__init__c                    s   | j st|  ¡ ƒS tƒ  ¡ S )z=Return the number of forms that are required in this FormSet.)Úis_boundÚlenÚget_querysetrv   Úinitial_form_countr”   rƒ   r;   r<   r±   G  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;   rH   ©rS   Úor;   r;   r<   r\   O  s      z5BaseModelFormSet._existing_object.<locals>.<dictcomp>)rJ   r°   r²   r2   )ri   rG   r;   r;   r<   Ú_existing_objectM  s    
z!BaseModelFormSet._existing_objectc                 C   s   |j dk	r|j  ¡ }q |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©ri   r-   r;   r;   r<   Ú_get_to_pythonR  s    
zBaseModelFormSet._get_to_pythonc                    s  ||   ¡ k }|r¨| jr–d|  |¡| jjjjf }z| j| }W n tk
rR   Y q¦X |  	| jjj¡}z||ƒ}W n t
k
r„   Y q¦X |  |¡|d< qÞ|  ¡ | |d< n6| jrÞz| j||   ¡   |d< W n tk
rÜ   Y nX tƒ j|f|Ž}|�rd|j| jjjj _|S )Nz%s-%sr7   rŽ   T)r±   r®   r1   rL   r%   rG   r+   r/   ÚKeyErrorr¹   r   rµ   r°   r­   Ú
IndexErrorrv   Ú_construct_formr'   r’   )ri   Úirg   Zpk_requiredZpk_keyrG   r·   r6   rƒ   r;   r<   r¼   [  s0    z BaseModelFormSet._construct_formc                 C   sL   t | dƒsF| jd k	r| j}n| jj ¡ }|js@| | jjjj	¡}|| _
| j
S )NÚ	_queryset)rJ   rE   rL   Ú_default_managerr°   ZorderedZorder_byr%   rG   r+   r¾   )ri   Ú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¥   ©ri   r6   r§   r;   r;   r<   Úsave_new�  s    zBaseModelFormSet.save_newc                 C   s   |j |d�S )z>Save and return an existing model instance for the given form.rÁ   rÂ   )ri   r6   r7   r§   r;   r;   r<   Úsave_existing”  s    zBaseModelFormSet.save_existingc                 C   s   |r|  ¡  dS )z#Deletes an existing model instance.N)Údelete)ri   Úobjr§   r;   r;   r<   Údelete_existing˜  s    z BaseModelFormSet.delete_existingc                    s0   |sg ˆ _ ‡ fdd„}|ˆ _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 ©N)Úsaved_formsr¦   )r6   r”   r;   r<   r¦   ¥  s    
z'BaseModelFormSet.save.<locals>.save_m2m)rÊ   r¦   Úsave_existing_objectsÚsave_new_objects)ri   r§   r¦   r;   r”   r<   r¥   �  s
    zBaseModelFormSet.savec                 C   s   |   ¡  d S rÉ   )r›   r”   r;   r;   r<   r•   ­  s    zBaseModelFormSet.cleanc                    sô  t ƒ }t ƒ }ˆj‰‡fdd„ˆjD ƒ}|D ]2‰ ˆ  ¡ }ˆ jj|d�\}}| |¡ | |¡ q*g }|D ]ž\}}	t ƒ }
|D ]Š‰ ‡ ‡fdd„|	D ƒ}tdd„ |D ƒƒ}|rxd |krx||
krø| ˆ 	|	¡¡ ˆ 
ˆ ¡ g¡ˆ jt< |	D ]}|ˆ jkràˆ j|= qà|
 |¡ qxqf|D ]Ö}t ƒ }
|\}}}}|D ]¸‰ ˆ j�r$ˆ j| d k	�r$ˆ j| d k	�r$|dk�rvˆ j| }|j|j|jf}ntˆ j| |ƒf}ˆ j| f| }||
k�rÐ| ˆ |¡¡ ˆ 
ˆ ¡ g¡ˆ jt< ˆ j|= |
 |¡ �q$�q
|�rðt|ƒ‚d S )Nc                    s    g | ]}|  ¡ r|ˆ kr|‘qS r;   )Zis_valid)rS   r6   )Úforms_to_deleter;   r<   rU   µ  s       z4BaseModelFormSet.validate_unique.<locals>.<listcomp>rŸ   c                 3   s0   | ](}|ˆ j kr|ˆjkr|nˆ j | V  qd S rÉ   )r&   Úunique_fields©rS   r-   )r6   ri   r;   r<   Ú	<genexpr>Â  s    
ÿz3BaseModelFormSet.validate_unique.<locals>.<genexpr>c                 s   s6   | ].}t |d ƒr| ¡ nt|tƒr*t|ƒn|V  qdS )Ú_get_pk_valN)rJ   rÑ   r)   ÚlistÚtuple)rS   Údr;   r;   r<   rÐ   Ç  s   ýÚdate)ÚsetÚdeleted_formsZformsr“   r7   Z_get_unique_checksr|   rÓ   r4   Úget_unique_error_messager�   Úget_form_errorr�   r   r&   ÚaddÚyearÚmonthÚdayrA   Úget_date_error_messager   )ri   Zall_unique_checksZall_date_checksZvalid_formsr8   Zunique_checksZdate_checksr˜   ZuclassÚunique_checkZ	seen_dataZrow_datar-   Ú
date_checkÚlookupZ
unique_forrÕ   Z	date_datar/   r;   )r6   rÍ   ri   r<   r›   °  s\    
þü

ÿ


z BaseModelFormSet.validate_uniquec                 C   s>   t |ƒdkr tdƒd|d i S tdƒdt|tdƒƒi S d S )Né   z0Please correct the duplicate data for %(field)s.r-   r   zFPlease correct the duplicate data for %(field)s, which must be unique.Úand)r¯   r   r   Ú_©ri   rß   r;   r;   r<   rØ   ù  s     ÿ ÿz)BaseModelFormSet.get_unique_error_messagec                 C   s$   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   râ   )Ú
field_nameZ
date_fieldrá   )r   rx   )ri   rà   r;   r;   r<   rÞ     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<   rÙ     s    zBaseModelFormSet.get_form_errorc                 C   s¦   g | _ g | _| jsg S g }| j}| jD ]z}|j}|jd kr<q&||kr`| j |¡ | j||d� q&| ¡ r&| j  ||j	f¡ | | j
|||d�¡ |s&| j |¡ q&|S ©NrÁ   )Zchanged_objectsZdeleted_objectsZinitial_formsr×   r7   rG   r4   rÈ   Úhas_changedZchanged_datarÅ   rÊ   )ri   r§   Zsaved_instancesrÍ   r6   rÇ   r;   r;   r<   rË     s&    

z&BaseModelFormSet.save_existing_objectsc                 C   sZ   g | _ | jD ]F}| ¡ sq| jr,|  |¡r,q| j  | j||d�¡ |s| j |¡ q| j S ré   )Znew_objectsZextra_formsrê   Ú
can_deleteZ_should_delete_formr4   rÄ   rÊ   )ri   r§   r6   r;   r;   r<   rÌ   *  s    
z!BaseModelFormSet.save_new_objectsc           	         s(  ddl m‰ m}m} | jjj | _}‡ ‡fdd„‰ˆ|ƒsH|j|j	k�r|j
rf|jjjr\dn|jj}n:z |dk	r€|  ¡ | j}nd}W n tk
rž   d}Y nX t|||fƒr¾|jjj ¡ }n| jj ¡ }| |jjj¡}|jjrø|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  p4| jp4t| ˆ ƒp4| jo4| jjo4ˆ| jjjjƒS rÉ   )r(   Zauto_createdr)   r¶   Zparent_linkrL   r%   rG   rH   ©r*   Úpk_is_not_editabler;   r<   rï   B  s    ýz7BaseModelFormSet.add_fields.<locals>.pk_is_not_editableNF)rŽ   r’   r.   )rI   r*   rì   rí   rL   r%   rG   Ú	_pk_fieldr+   r'   r®   r7   r£   r¤   r°   r»   r)   r¶   r¿   ZusingÚdbra   r2   r   r   rv   Ú
add_fields)	ri   r6   Úindexrì   rí   rG   Zpk_valuerÀ   r.   rƒ   rî   r<   rò   8  s*    
zBaseModelFormSet.add_fields)NNr†   NN)T)T)T)T)T)T)r^   rl   rm   Ú__doc__rL   rÖ   rÎ   rk   r±   rµ   r¹   r¼   r°   rÄ   rÅ   rÈ   r¥   r¨   r•   r›   rØ   rÞ   rÙ   rË   rÌ   rò   r…   r;   r;   rƒ   r<   r   8  s4     ÿÿ	"



I



r   râ   Fc                 C   sz   t |ddƒ}t |d|ƒdkr4t |d|	ƒdkr4tdƒ‚t| |||	||
|||||d�}t|||||||||||d�}| |_|S )z8Return a FormSet class for the given Django model class.ro   Nr'   r8   z]Calling modelformset_factory without defining 'fields' or 'exclude' explicitly is prohibited.)
r6   r'   r8   rb   ra   rc   rd   re   rX   rf   )	ÚextraÚmin_numÚmax_numÚ	can_orderrë   Úvalidate_minÚvalidate_maxÚabsolute_maxÚcan_delete_extra)rA   r   r"   r   rL   )rL   r6   rb   Úformsetrõ   rë   rø   r÷   r'   r8   ra   rú   rc   rd   re   rX   rö   rù   rf   rû   rü   ÚmetaÚFormSetr;   r;   r<   r   d  s4    ÿÿ
   ü   ýr   c                       sl   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           	         sà   |d kr| j j ¡ | _n|| _|| _|d kr4| jj}| jjd k	rX|jf | j j| jiŽ}n| 	¡ }| j jh| _
tƒ j||f||dœ|—Ž | jjjrÜ| j j| jjjkrÜt| jjjtƒrÈt| jjjƒ| jj_| jjj | j j¡ d S )N)r�   rE   )Úfkr¶   rL   r7   Úsave_as_newr¿   rG   rK   r+   ÚnonerÎ   rv   rk   r6   r%   r'   r)   rÓ   rÒ   r4   )	ri   r/   r0   r7   r  r�   rE   rg   rÀ   rƒ   r;   r<   rk   …  s    zBaseInlineFormSet.__init__c                    s   | j r
dS tƒ  ¡ S )Nr   )r  rv   r±   r”   rƒ   r;   r<   r±   œ  s    z$BaseInlineFormSet.initial_form_countc                    sÄ   t ƒ j|f|Ž}| jrlt|jdd ƒ}|d k	r4d|j_d |j| | jj¡< d |j| | j	j¡< |d k	rl||j_| j
j}| j	jj| j	jjjjjkr¬t| j
| j	jjƒ}t|d|ƒ}t|j
| j	 ¡ |ƒ |S )NÚ_mutableTrG   )rv   r¼   r  rA   r/   r  r1   rð   r+   r   r7   rG   r¶   rè   rL   r%   ÚsetattrZget_attname)ri   r½   rg   r6   ZmutableZfk_valuerƒ   r;   r<   r¼   ¡  s    z!BaseInlineFormSet._construct_formc                 C   s   | j jj| jd� dd¡S )N)rL   ú+Ú )r   r¶   Zget_accessor_namerL   Úreplace)Úclsr;   r;   r<   Úget_default_prefix¸  s    z$BaseInlineFormSet.get_default_prefixTc                    s$   t |j| jj| jƒ tƒ j||d�S ré   )r  r7   r   r+   rv   rÄ   rÃ   rƒ   r;   r<   rÄ   ¼  s    zBaseInlineFormSet.save_newc                    sâ   t ƒ  ||¡ | j| jkr,| jj}ddi}n(| jj}dt|j |¡dt| jj	ƒƒi}| jj
j| jj
jjjjkr|| jj
j|d< | jjjrÊ| d¡d k	r¨| jj |d ¡}n
| jjj}| ¡ rÊt| j|jd ƒ t| jf|Ž|j|< d S )NÚpk_fieldTrV   Úto_field)rv   rò   rð   r   r+   rA   r'   r2   r   Zverbose_namer¶   rè   rL   r%   rG   r7   r£   r¤   Ú	get_fieldr,   r  Zattnamerœ   )ri   r6   ró   r+   rg   r  rƒ   r;   r<   rò   Ã  s"    
 ÿ

zBaseInlineFormSet.add_fieldsc                    s   ‡ fdd„|D ƒ}t ƒ  |¡S )Nc                    s   g | ]}|ˆ j jkr|‘qS r;   )r   r+   rÏ   r”   r;   r<   rU   ã  s      z>BaseInlineFormSet.get_unique_error_message.<locals>.<listcomp>)rv   rØ   rå   rƒ   r”   r<   rØ   â  s    z*BaseInlineFormSet.get_unique_error_message)NNNFNN)T)r^   rl   rm   rô   rk   r±   r¼   Úclassmethodr	  rÄ   rò   rØ   r…   r;   r;   rƒ   r<   r    ƒ  s         ÿ
r    c                    s  ddl m‰  |j}ˆr–‡fdd„|jD ƒ}t|ƒdkr||d }t|ˆ ƒrf|jjˆkr”|jjˆj ¡ kr”t	dˆˆjj
f ƒ‚n|s”t	d|jj
ˆf ƒ‚nj‡ ‡fdd„|jD ƒ}t|ƒdkrÂ|d }n>|sè|rÎd	S t	d
|jj
ˆjj
f ƒ‚nt	d|jj
ˆjj
f ƒ‚|S )aD  
    Find and return the ForeignKey from model to parent if there is one
    (return None if can_fail is True and no such field exists). If fk_name is
    provided, assume it is the name of the ForeignKey field. Unless can_fail is
    True, raise an exception if there isn't a ForeignKey from model to
    parent_model.
    r   )rì   c                    s   g | ]}|j ˆ kr|‘qS r;   )r+   rR   ©Úfk_namer;   r<   rU   ó  s     
 z$_get_foreign_key.<locals>.<listcomp>râ   z)fk_name '%s' is not a ForeignKey to '%s'.z'%s' has no field named '%s'.c                    s8   g | ]0}t |ˆ ƒr|jjˆks0|jjˆj ¡ kr|‘qS r;   )r)   r¶   rL   r%   Úget_parent_listrR   )rì   Úparent_modelr;   r<   rU     s
   
ýNz'%s' has no ForeignKey to '%s'.zR'%s' has more than one ForeignKey to '%s'. You must specify a 'fk_name' attribute.)rI   rì   r%   r'   r¯   r)   r¶   rL   r  r‰   rV   )r  rL   r  Zcan_failr9   Zfks_to_parentr   r;   )rì   r  r  r<   Ú_get_foreign_keyç  sP    	

ÿþÿÿÿ
þÿþÿÿr  rç   c                 C   s\   t | ||d�}|jrd}
|||||	|||||
||||||||||dœ}t|f|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  râ   )r6   rb   rý   rõ   rë   rø   r'   r8   rö   r÷   ra   rù   rú   rc   rd   re   rX   rf   rû   rü   )r  Úuniquer   r   )r  rL   r6   rý   r  r'   r8   rõ   rø   rë   r÷   rb   ra   rú   rc   rd   re   rX   rö   rù   rf   rû   rü   r   rg   rÿ   r;   r;   r<   r!     s6    ì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 )rœ   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 k	rB| jr6t| j | jƒ|d< n| j j|d< d|d< tƒ j||Ž d S )NrŽ   Fr’   )Úparent_instancer
  r  rA   rG   rv   rk   )ri   r  r
  r  Úargsrg   rƒ   r;   r<   rk   X  s    
zInlineForeignKeyField.__init__c                 C   s`   || j kr| jrd S | jS | jr0t| j| jƒ}n| jj}t|ƒt|ƒkrZt| jd dd�‚| jS )Nr  ©r—   )	r3   r
  r  r  rA   rG   rx   r   rX   )ri   rq   Úorigr;   r;   r<   r•   d  s    
zInlineForeignKeyField.cleanc                 C   s   dS )NFr;   )ri   rŽ   r/   r;   r;   r<   rê   s  s    z!InlineForeignKeyField.has_changed)r^   rl   rm   rô   r   r.   rä   Údefault_error_messagesrk   r•   rê   r…   r;   r;   rƒ   r<   rœ   N  s    ÿrœ   c                   @   s$   e Zd Zdd„ Zdd„ Zdd„ ZdS )ÚModelChoiceIteratorValuec                 C   s   || _ || _d S rÉ   )rq   r7   )ri   rq   r7   r;   r;   r<   rk   x  s    z!ModelChoiceIteratorValue.__init__c                 C   s
   t | jƒS rÉ   )rx   rq   r”   r;   r;   r<   Ú__str__|  s    z ModelChoiceIteratorValue.__str__c                 C   s   t |tƒr|j}| j|kS rÉ   )r)   r  rq   )ri   Úotherr;   r;   r<   Ú__eq__  s    
zModelChoiceIteratorValue.__eq__N)r^   rl   rm   rk   r  r  r;   r;   r;   r<   r  w  s   r  c                   @   s4   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ ZdS )ÚModelChoiceIteratorc                 C   s   || _ |j| _d S rÉ   )r-   rE   r¸   r;   r;   r<   rk   †  s    zModelChoiceIterator.__init__c                 c   sH   | j jd k	rd| j jfV  | j}|js.| ¡ }|D ]}|  |¡V  q2d S )Nr  )r-   Úempty_labelrE   Z_prefetch_related_lookupsÚiteratorÚchoice)ri   rE   rÇ   r;   r;   r<   Ú__iter__Š  s    zModelChoiceIterator.__iter__c                 C   s   | j  ¡ | jjd k	rdnd S )Nrâ   r   )rE   Úcountr-   r  r”   r;   r;   r<   Ú__len__”  s    zModelChoiceIterator.__len__c                 C   s   | j jd k	p| j ¡ S rÉ   )r-   r  rE   Úexistsr”   r;   r;   r<   Ú__bool__š  s    zModelChoiceIterator.__bool__c                 C   s   t | j |¡|ƒ| j |¡fS rÉ   )r  r-   Úprepare_valueÚlabel_from_instance©ri   rÇ   r;   r;   r<   r!  �  s    
þzModelChoiceIterator.choiceN)r^   rl   rm   rk   r"  r$  r&  r!  r;   r;   r;   r<   r  …  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.   rV   rŽ   rW   Úto_field_namerN   r‘   c       	         K   s^   t j| f|||||dœ|—Ž |r*|d k	s:t| jtƒrB|
sBd | _n|| _|| _|	| _|| _d S )N)r’   r.   rV   rŽ   rW   )	r   rk   r)   r.   r   r  rE   rN   r*  )ri   rE   r  r’   r.   rV   rŽ   rW   r*  rN   r‘   rg   r;   r;   r<   rk   ®  s0    ÿ   þþÿÿ
þþ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.
        )r_   rN   r”   r;   r;   r<   rF   Ã  s    
z%ModelChoiceField.get_limit_choices_toc                    s*   t t| ƒ |¡}| jd k	r&| j ¡ |_|S rÉ   )rv   r   Ú__deepcopy__rE   Úall)ri   ÚmemoÚresultrƒ   r;   r<   r+  Í  s    
zModelChoiceField.__deepcopy__c                 C   s   | j S rÉ   )r¾   r”   r;   r;   r<   Ú_get_querysetÔ  s    zModelChoiceField._get_querysetc                 C   s$   |d krd n|  ¡ | _| j| j_d S rÉ   )r,  r¾   Úchoicesr.   )ri   rE   r;   r;   r<   Ú_set_queryset×  s    zModelChoiceField._set_querysetc                 C   s   t |ƒS )zÍ
        Convert objects into strings and generate the labels for the choices
        presented by this object. Subclasses can override this method to
        customize the display of the choices.
        ©rx   r)  r;   r;   r<   r(  ß  s    z$ModelChoiceField.label_from_instancec                 C   s   t | dƒr| jS |  | ¡S )NÚ_choices)rJ   r3  r   r”   r;   r;   r<   Ú_get_choicesç  s    
	zModelChoiceField._get_choicesc                    s.   t |dƒr"| jr| | j¡S |jS tƒ  |¡S ©Nr%   )rJ   r*  Zserializable_valuerG   rv   r'  ©ri   rq   rƒ   r;   r<   r'  ø  s
    
zModelChoiceField.prepare_valuec              
   C   s~   || j krd S z8| jpd}t|| jjƒr2t||ƒ}| jjf ||iŽ}W n2 tt| jjj	fk
rx   t
| jd dd�‚Y nX |S )NrG   r  r  )r3   r*  r)   rE   rL   rA   r2   r‰   r`   ZDoesNotExistr   rX   )ri   rq   Úkeyr;   r;   r<   r·      s    


zModelChoiceField.to_pythonc                 C   s   t  | |¡S rÉ   )r   Úvalidater6  r;   r;   r<   r8    s    zModelChoiceField.validatec                 C   s@   | j r
dS |d k	r|nd}|d k	r&|nd}t|  |¡ƒt|ƒkS )NFr  )Údisabledrx   r'  )ri   rŽ   r/   Úinitial_valueZ
data_valuer;   r;   r<   rê     s
    zModelChoiceField.has_changed)r^   rl   rm   rô   rä   r  r  r   rk   rF   r+  r/  r1  ÚpropertyrE   r(  r4  r   Z_set_choicesr0  r'  r·   r8  rê   r…   r;   r;   rƒ   r<   r   ¤  s6    ÿ     ý

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                    sL   t ƒ j|fdd i|—Ž | j d¡d k	rHtjdtdd� | jd | jd< d S )Nr  rÒ   zFThe 'list' error message key is deprecated in favor of 'invalid_list'.ræ   )Ú
stacklevelr<  )rv   rk   rX   r2   ÚwarningsÚwarnr   )ri   rE   rg   rƒ   r;   r<   rk   "  s     ýz!ModelMultipleChoiceField.__init__c                 C   s   |sg S t |  |¡ƒS rÉ   )rÒ   Ú_check_valuesr6  r;   r;   r<   r·   ,  s    z"ModelMultipleChoiceField.to_pythonc                 C   st   |   |¡}| jr(|s(t| jd dd�‚n| js<|s<| j ¡ S t|ttfƒs\t| jd dd�‚|  	|¡}|  
|¡ |S )Nr’   r  r<  )r'  r’   r   rX   rE   r  r)   rÒ   rÓ   rA  Zrun_validators)ri   rq   rÀ   r;   r;   r<   r•   1  s    



þ

zModelMultipleChoiceField.cleanc              
      sê   | j pd‰ zt|ƒ}W n& tk
r<   t| jd dd�‚Y nX |D ]L}z| jjf ˆ |iŽ W qB ttfk
rŒ   t| jd dd|id�‚Y qBX qB| jjf dˆ  |iŽ}‡ fdd„|D ƒ}|D ](}t|ƒ|kr¼t| jd	 d	d
|id�‚q¼|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.)
        rG   r<  r  r=  )r—   Úparamsz%s__inc                    s   h | ]}t t|ˆ ƒƒ’qS r;   )rx   rA   r³   ©r7  r;   r<   rt   ]  s     z9ModelMultipleChoiceField._check_values.<locals>.<setcomp>r  rq   )	r*  Ú	frozensetr`   r   rX   rE   rK   r‰   rx   )ri   rq   rG   rÀ   ZpksÚvalr;   rC  r<   rA  B  s6    
þýýz&ModelMultipleChoiceField._check_valuesc                    sD   t |dƒr8t|tƒs8t |dƒs8tƒ j‰ ‡ fdd„|D ƒS tƒ  |¡S )Nr"  r%   c                    s   g | ]}ˆ |ƒ‘qS r;   r;   )rS   rs   ©r'  r;   r<   rU   l  s     z:ModelMultipleChoiceField.prepare_value.<locals>.<listcomp>)rJ   r)   rx   rv   r'  r6  rƒ   rF  r<   r'  g  s    
ÿþz&ModelMultipleChoiceField.prepare_valuec                 C   s`   | j r
dS |d krg }|d kr"g }t|ƒt|ƒkr6dS dd„ |  |¡D ƒ}dd„ |D ƒ}||kS )NFTc                 S   s   h | ]}t |ƒ’qS r;   r2  ©rS   rq   r;   r;   r<   rt   x  s     z7ModelMultipleChoiceField.has_changed.<locals>.<setcomp>c                 S   s   h | ]}t |ƒ’qS r;   r2  rG  r;   r;   r<   rt   y  s     )r9  r¯   r'  )ri   rŽ   r/   Zinitial_setZdata_setr;   r;   r<   rê   o  s    z$ModelMultipleChoiceField.has_changed)r^   rl   rm   rô   r   r.   r   Zhidden_widgeträ   r  rk   r·   r•   rA  r'  rê   r…   r;   r;   rƒ   r<   r     s   ü
%r   c                 C   s"   t | dƒo | jjd k	p | jjd k	S r5  )rJ   r%   r'   r8   )rY   r;   r;   r<   Úmodelform_defines_fields}  s    

þrH  )NN)NN)	NNNNNNNNN)NF)8rô   r?  Ú	itertoolsr   Zdjango.core.exceptionsr   r   r   r   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.deprecationr   Zdjango.utils.textr   r   Zdjango.utils.translationr   r   rä   r#   r   r=   r   rO   r   rh   rn   r   r   r"   r   r   r    r  r!   rœ   r  r  r   r   rH  r;   r;   r;   r<   Ú<module>   sº   
)
          ýýYH @    ý
U  .            ú
d
8             ù
/)sf