o
    {,h                     @   sr  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 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 ddl m!Z!m"Z" ddl#m$Z$ ddl#m%Z& dZ'dZ(dAddZ)dAddZ*dd Z+									dBdddddZ,G dd dZ-G dd  d eZ.G d!d" d"eeZ/G d#d$ d$e/e.d%Z0e0dddddddddf
d&d'Z1G d(d) d)eeZ2e0de2d*d+d+ddddd+dddddd+ddddd+fd,d-Z3G d.d/ d/e2Z4dCd0d1Z5e0e4dddd2d+ddddd+dddddd+ddddd+fd3d4Z6G d5d6 d6eZ7G d7d8 d8Z8G d9d: d:eZ9G d;d< d<eZ:G d=d> d>e:Z;d?d@ Z<dS )Dz[
Helper functions for creating Form classes from Django models
and database field objects.
    )chain)NON_FIELD_ERRORS
FieldErrorImproperlyConfiguredValidationErrorProhibitNullCharactersValidator)
AltersData)ChoiceFieldField)BaseFormDeclarativeFieldsMetaclass)BaseFormSetformset_factory)	ErrorList)HiddenInputMultipleHiddenInputRadioSelectSelectMultiple)BaseChoiceIterator)make_hashable)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   ddl m} |j}| j}g }|jD ]\}|jr!t||j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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 rD   I/var/www/html/rh/venv/lib/python3.10/site-packages/django/forms/models.pyconstruct_instance2   s:   


rF   c                 C   sh   | j }i }t|j|j|jD ]#}t|dd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   concrete_fieldsprivate_fieldsmany_to_manygetattrr1   value_from_object)r?   r-   r@   rA   r6   rC   rD   rD   rE   r   b   s   r   c                 C   s   ddl m}m}m} t| drBt| drD|  }|rF|}t||s(|di |}|||ddM }| j|| jj	j
|| _dS dS dS dS )	z=Apply limit_choices_to to the formfield's queryset if needed.r   )ExistsOuterRefQquerysetget_limit_choices_topkrQ   NrD   )django.db.modelsrL   rM   rN   hasattrrP   r/   rO   filtermodel_base_manager)	formfieldrL   rM   rN   limit_choices_tocomplex_filterrD   rD   rE   #apply_limit_choices_to_to_formfield{   s   

r[   Tapply_limit_choices_toform_declared_fieldsc
                   s  |pi }i g | j }ddlm   fdd|jD }tt|j||jD ]}t|ddsJ|durI|j	|v rIdu s?|j	vrIt
d|j	| jf q%|durT|j	|vrTq%r\|j	v r\q%|j	|v rj||j	 |j	< q%i }|rz|j	|v rz||j	 |d	< |tks|r|j	|v rd
|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 r|jdi |}nt|std||fi |}|r|
rt| ||j	< q%|j	 q%|rfdd|D S )a  
    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.

    ``form_declared_fields`` is a dictionary of form fields created directly on
    a form.
    r   )r   c                    s   g | ]	}t | r|qS rD   )r/   .0rC   )
ModelFieldrD   rE   
<listcomp>   s
    
z$fields_for_model.<locals>.<listcomp>r.   FNzH'%s' cannot be specified for %s model form as it is a non-editable fieldr4   Tlocalizelabel	help_texterror_messages
form_classz1formfield_callback must be a function or callablec                    s,   i | ]} r
| vr|vr| |qS rD   )r9   r_   )r@   
field_dictignoredrD   rE   
<dictcomp>   s    
z$fields_for_model.<locals>.<dictcomp>rD   )r+   rS   r   rH   sortedr   rG   rI   rJ   r1   r   __name__r"   rX   callable	TypeErrorr[   r<   )rV   r-   r@   widgetsformfield_callbacklocalized_fieldslabels
help_textsrf   field_classesr]   r^   rA   sortable_private_fieldsrC   kwargsrX   rD   )ra   r@   rh   ri   rE   r      sv   0




r   c                   @   s   e Zd ZdddZdS )ModelFormOptionsNc                 C   s   t |dd | _t |dd | _t |dd | _t |dd | _t |dd | _t |dd | _t |dd | _t |dd | _t |d	d | _	t |d
d | _
d S )NrV   r-   r@   ro   rq   rr   rs   rf   rt   rp   )rJ   rV   r-   r@   ro   rq   rr   rs   rf   rt   rp   )selfoptionsrD   rD   rE   __init__  s   zModelFormOptions.__init__N)rl   
__module____qualname__rz   rD   rD   rD   rE   rw     s    rw   c                       s   e Zd Z fddZ  ZS )ModelFormMetaclassc                    sD  t  | |||}|tfkr|S tt|dd  }|_dD ]}t||}t|tr:|tkr:d|j	||d }t
|q|jr|jd u rN|jd u rNtd| |jtkrVd |_t|j|j|j|j|j|j|j|j|j|jd|jd}	dd	 |	 D }
|
|j}|rd
}|d||jj	f; }t||	|j n|j}	|	|_|S )NMeta)r-   r@   rq   zP%(model)s.Meta.%(opt)s cannot be a string. Did you mean to type: ('%(value)s',)?)rV   optvaluez|Creating a ModelForm without either the 'fields' attribute or the 'exclude' attribute is prohibited; form %s needs updating.Fr\   c                 S   s   h | ]\}}|s|qS rD   rD   )r`   kvrD   rD   rE   	<setcomp>I  s    z-ModelFormMetaclass.__new__.<locals>.<setcomp>z&Unknown field(s) (%s) specified for %sz, )super__new__r   rw   rJ   r+   r/   strr"   rl   rn   rV   r-   r@   r   r   ro   rp   rq   rr   rs   rf   rt   declared_fieldsitems
differencejoinr   updatebase_fields)mcsr1   basesattrs	new_classrA   r   r   msgr-   none_model_fieldsmissing_fieldsmessage	__class__rD   rE   r     sb   

	
zModelFormMetaclass.__new__)rl   r|   r}   r   __classcell__rD   rD   r   rE   r~     s    r~   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   Nid_%sFc                    s   | j }|jd u rtd|	d u r| | _i }n|	| _t|	|j|j}|d ur,|| d| _t	 j
|||||||||
|d
 | j D ]}t| qDd S )Nz'ModelForm has no model class specified.F)use_required_attributerenderer)r+   rV   
ValueErrorr?   r   r-   r@   r   _validate_uniquer   rz   valuesr[   )rx   r6   r7   auto_idprefixinitialerror_classlabel_suffixempty_permittedr?   r   r   rA   object_datarX   r   rD   rE   rz   Z  s4   



zBaseModelForm.__init__c                 C   s   t  }| 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.
        )setr?   r+   r-   r1   addr@   _errorsr,   r9   blankrequiredr:   )rx   r@   rC   r3   
form_fieldfield_valuerD   rD   rE   _get_validation_exclusions  s*   


	
z(BaseModelForm._get_validation_exclusionsc                 C   s   d| _ | jS )NT)r   r,   rx   rD   rD   rE   clean  s   zBaseModelForm.cleanc                 C   s   | j }t|d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rK|j	|v rK||j	 |_
q9q| d | d S )N
error_dict)r+   rT   r   r   r   rf   r-   r/   r   coder   	add_error)rx   errorsrA   r   r3   messagesrf   r   rD   rD   rE   _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 }~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)r@   validate_unique)r+   r   r-   r   r/   InlineForeignKeyFieldr   rF   r?   r@   r   r   
full_cleanr   r   )rx   rA   r@   r1   r3   erD   rD   rE   _post_clean  s.   	


z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.
        )r@   N)r   r?   r   r   r   )rx   r@   r   rD   rD   rE   r     s   zBaseModelForm.validate_uniquec                 C   s   | j }| jj}| jj}| jj}t|j|jD ]'}t|d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.
        r=   N)r,   r+   r@   r-   r?   r   rI   rH   rT   r1   r=   )rx   r,   r@   r-   rA   rC   rD   rD   rE   	_save_m2m  s   

zBaseModelForm._save_m2mTc                 C   sZ   | j rtd| jjj| jjjrdf df |r&| j  |   | jS | j| _	| jS )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)rx   commitrD   rD   rE   r     s$   
zBaseModelForm.saveT)rl   r|   r}   r   rz   r   r   r   r   r   r   r   alters_datar   rD   rD   r   rE   r   Y  s*    .-! 
r   c                   @   s   e Zd ZdS )r   N)rl   r|   r}   rD   rD   rD   rE   r   5  s    r   )	metaclassc                 C   s  d| i}|dur||d< |dur||d< |dur||d< |dur$||d< |dur,||d< |dur4||d< |	dur<|	|d	< |
durD|
|d
< t |drM|jfnd}td||}|r\t||_| jd }d|i}t|dddu ryt|dddu rytd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.
    rV   Nr-   r@   ro   rq   rr   rs   rf   rt   r   rD   FormzZCalling modelform_factory without defining 'fields' or 'exclude' explicitly is prohibited.)rT   r   typestaticmethodrp   rl   rJ   r   )rV   r>   r-   r@   rp   ro   rq   rr   rs   rf   rt   r   r   r   
class_nameform_class_attrsrD   rD   rE   r'   9  s8   0

 r'   c                       s   e Zd ZdZdZdZe Z					d+dd 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$ Zd,d%d&Zd,d'd(Z fd)d*Z  ZS )-r#   zO
    A ``FormSet`` for editing a queryset and/or adding new objects to it.
    NFr   )r   c                   s0   || _ || _t jdi ||||d| d S )N)r6   r7   r   r   rD   )rO   initial_extrar   rz   )rx   r6   r7   r   r   rO   r   rv   r   rD   rE   rz     s   

zBaseModelFormSet.__init__c                    s   | j s	t|  S t  S )z=Return the number of forms that are required in this FormSet.)is_boundlenget_querysetr   initial_form_countr   r   rD   rE   r     s   
z#BaseModelFormSet.initial_form_countc                 C   s*   t | dsdd |  D | _| j|S )N_object_dictc                 S   s   i | ]}|j |qS rD   rR   r`   orD   rD   rE   rj         z5BaseModelFormSet._existing_object.<locals>.<dictcomp>)rT   r   r   r9   )rx   rQ   rD   rD   rE   _existing_object  s   
z!BaseModelFormSet._existing_objectc                 C   s$   |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)remote_fieldget_related_field	to_pythonrx   r3   rD   rD   rE   _get_to_python  s   


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||}W n	 t
y@   Y n,w | ||d< n#|  | |d< n| jrlz| j||     |d< W n	 tyk   Y nw t j|fi |}|rd|j| jjjj _|S )Nz%s-%sr?   r   T)r   r   r8   rV   r+   rQ   r1   r6   KeyErrorr   r   r   r   r   
IndexErrorr   _construct_formr-   r   )rx   irv   pk_requiredpk_keyrQ   r   r>   r   rD   rE   r     s6   z BaseModelFormSet._construct_formc                 C   sL   t | ds#| jd ur| j}n| jj }|js || jjjj	}|| _
| j
S )N	_queryset)rT   rO   rV   _default_managerr   orderedorder_byr+   rQ   r1   r   )rx   qsrD   rD   rE   r     s   

zBaseModelFormSet.get_querysetTc                 C   s   |j |dS )z8Save and return a new model instance for the given form.r   r   rx   r>   r   rD   rD   rE   save_new     zBaseModelFormSet.save_newc                 C   s   |j |dS )z>Save and return an existing model instance for the given form.r   r   )rx   r>   objr   rD   rD   rE   save_existing  r   zBaseModelFormSet.save_existingc                 C   s   |r|   dS dS )z#Deletes an existing model instance.N)delete)rx   r   r   rD   rD   rE   delete_existing  s   z BaseModelFormSet.delete_existingc                    s@   |sg  _  fdd}| _ jr |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 ]} |   qd S r{   )saved_formsr   )r>   r   rD   rE   r     s   

z'BaseModelFormSet.save.<locals>.save_m2m)r   r   	edit_onlysave_existing_objectssave_new_objects)rx   r   r   rD   r   rE   r     s   
zBaseModelFormSet.savec                 C   s   |    d S r{   )r   r   rD   rD   rE   r         zBaseModelFormSet.cleanc                    s  t  }t  }jfddjD }|D ]   } jj|dd\}}|| || qg }|D ]R\}}	t  }
|D ]H  fdd|	D }tdd |D }|rd |vr||
v r|	|	 j
 gjd jt< |	D ]}| jv r j|= qt|
| q=q4|D ]g}t  }
|\}}}}|D ]Y  jr j| d ur j| d ur|d	kr j| }|j|j|jf}n	t j| |f} j| f| }||
v r|| j
 gjd jt<  j|= |
| qq|rt|d S )
Nc                    s    g | ]}|  r| vr|qS rD   )is_valid)r`   r>   )forms_to_deleterD   rE   rb   (  s    z4BaseModelFormSet.validate_unique.<locals>.<listcomp>T)r@   include_meta_constraintsc                 3   s2    | ]}| j v r|jv r|n j | V  qd S r{   )r,   unique_fieldsr`   r3   )r>   rx   rD   rE   	<genexpr>=  s    
z3BaseModelFormSet.validate_unique.<locals>.<genexpr>c                 s   s*    | ]}t |d r| nt|V  qdS )_get_pk_valN)rT   r   r   )r`   drD   rD   rE   r   C  s    

)r   date)r   deleted_formsformsr   r?   _get_unique_checksr   tupler<   get_unique_error_messager   get_form_errorr   r   r   r,   r   yearmonthdayrJ   get_date_error_messager   )rx   all_unique_checksall_date_checksvalid_formsr@   unique_checksdate_checksr   uclassunique_check	seen_datarow_datar3   
date_checklookup
unique_forr   	date_datar6   rD   )r>   r   rx   rE   r   #  s   


	

$

z BaseModelFormSet.validate_uniquec                 C   s:   t |dkrtdd|d i S tddt|tdi S )N   z0Please correct the duplicate data for %(field)s.r3   r   zFPlease correct the duplicate data for %(field)s, which must be unique.and)r   r   r   _rx   r  rD   rD   rE   r    s   z)BaseModelFormSet.get_unique_error_messagec                 C   s$   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   )rx   r  rD   rD   rE   r    s   
z'BaseModelFormSet.get_date_error_messagec                 C   s   t dS )Nz*Please correct the duplicate values below.r   r   rD   rD   rE   r    s   zBaseModelFormSet.get_form_errorc                 C   s   g | _ g | _| jsg S g }| j}| jD ]<}|j}| sq||v r/| j| | j||d q| rO| j ||j	f || j
|||d |sO| j| q|S Nr   )changed_objectsdeleted_objectsinitial_formsr   r?   
_is_pk_setr<   r   has_changedchanged_datar   r   )rx   r   saved_instancesr   r>   r   rD   rD   rE   r     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 r  )new_objectsextra_formsr!  
can_delete_should_delete_formr<   r   r   )rx   r   r>   rD   rD   rE   r     s   
z!BaseModelFormSet.save_new_objectsc           	         s$  ddl m m}m} | jjj | _} fdd|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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 || dS )z0Add a hidden field for the object's primary key.r   )r0   
ForeignKeyOneToOneFieldc                    s6   | j  p| jpt|  p| jo| jjo| jjjjS r{   )r.   auto_createdr/   r   parent_linkrV   r+   rQ   rR   r0   pk_is_not_editablerD   rE   r-    s   z7BaseModelFormSet.add_fields.<locals>.pk_is_not_editableNF)r   r   r4   )rS   r0   r(  r)  rV   r+   rQ   	_pk_fieldr1   r-   r   r?   r   r   r   r   r/   r   r   usingdbro   r9   r   r    r   
add_fields)	rx   r>   indexr(  r)  rQ   pk_valuer   r4   r   r,  rE   r1    s2   zBaseModelFormSet.add_fields)NNr   NNr   )rl   r|   r}   __doc__rV   r   r   r   rz   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r  r   r   r1  r   rD   rD   r   rE   r#     s>    	"



`


r#   r  Fc                 C   s   t |dd}t |d|du rt |d|	du rtdt| |||	||
|||||d}t||||||||||||d}| |_||_|S )z8Return a FormSet class for the given Django model class.r   Nr-   r@   z]Calling modelformset_factory without defining 'fields' or 'exclude' explicitly is prohibited.)
r>   r-   r@   rp   ro   rq   rr   rs   rf   rt   )
extramin_nummax_num	can_orderr&  validate_minvalidate_maxabsolute_maxcan_delete_extrar   )rJ   r   r'   r   rV   r   )rV   r>   rp   formsetr5  r&  r8  r7  r-   r@   ro   r:  rq   rr   rs   rf   r6  r9  rt   r;  r<  r   r   metaFormSetrD   rD   rE   r$     sH   r$   c                       sx   e Zd ZdZ						d fdd	Z fddZ fdd	Zed
d 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           	         s   |d u r| j j | _n|| _|| _|d u r| jj}| j r-|jdi | j j| ji}n|	 }| j jh| _
t j||f||d| | jjjrq| j j| jjjvrst| jjjtret| jjj| jj_| jjj| j j d S d S d S )N)r   rO   rD   )fkr   rV   r?   save_as_newr   r   rU   r1   noner   r   rz   r>   r+   r-   r/   r   listr<   )	rx   r6   r7   r?   rA  r   rO   rv   r   r   rD   rE   rz   A  s    

zBaseInlineFormSet.__init__c                    s   | j rdS t  S )Nr   )rA  r   r   r   r   rD   rE   r   `  s   
z$BaseInlineFormSet.initial_form_countc                    s   t  j|fi |}| jr8t|jdd }|d urd|j_d |j|| jj< d |j|| j	j< |d ur8||j_| j
j}| j	jj| j	jjjjjkrXt| j
| j	jj}t|d|}t|j
| j	j| |S )N_mutableTrQ   )r   r   rA  rJ   r6   rD  r8   r.  r1   r@  r?   rQ   r   r  rV   r+   setattrattname)rx   r   rv   r>   mutablefk_valuer   rD   rE   r   e  s   z!BaseInlineFormSet._construct_formc                 C   s   | j jj| jdddS )N)rV   + )r@  r   get_accessor_namerV   replace)clsrD   rD   rE   get_default_prefix|  s   z$BaseInlineFormSet.get_default_prefixTc                    s$   t |j| jj| j t j||dS r  )rE  r?   r@  r1   r   r   r   r   rD   rE   r     s   zBaseInlineFormSet.save_newc                    s  t  || | j| jkr| jj}ddi}n| jj}dt|j|dt| jj	i}| jj
j| jj
jjjjkr>| jj
j|d< | jjjrs|dd urT| jj|d }n| jjj}| rs|j| jj
jjjjksk|jsst| j|jd  t| jfi ||j|< d S )Npk_fieldTrd   to_field)r   r1  r.  r@  r1   rJ   r-   r9   r   verbose_namer   r  rV   r+   rQ   r?   r   r   	get_fieldr2   rF  r6   rE  r   )rx   r>   r2  r1   rv   rP  r   rD   rE   r1    s*   
	

zBaseInlineFormSet.add_fieldsc                    s    fdd|D }t  |S )Nc                    s   g | ]
}| j jkr|qS rD   )r@  r1   r   r   rD   rE   rb     s    z>BaseInlineFormSet.get_unique_error_message.<locals>.<listcomp>)r   r  r  r   r   rE   r    s   z*BaseInlineFormSet.get_unique_error_message)NNNFNNr   )rl   r|   r}   r4  rz   r   r   classmethodrN  r   r1  r  r   rD   rD   r   rE   r%   >  s     
'r%   c                    sL  ddl m  |j}rgfdd|jD }t|dkrY|d }g jjR t| rM|jjjj	r;|jjjj
vsM|jjjj	sW|jjkrW|jjvrWtdjjf |S |setd|jjf |S g jjR  fdd|jD }t|dkr|d }|S |s|rd	S td
|jjjjf td|jjjjf )aD  
    Find and return the ForeignKey from model to parent if there is one
    (return None if can_fail is True and no such field exists). If fk_name is
    provided, assume it is the name of the ForeignKey field. Unless can_fail is
    True, raise an exception if there isn't a ForeignKey from model to
    parent_model.
    r   )r(  c                    s   g | ]	}|j  kr|qS rD   )r1   r_   fk_namerD   rE   rb         z$_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%|jjks#|jjv s#|jjjjr%|jjjjv r|qS rD   )r/   r   rV   r+   proxyproxy_for_modelr_   )r(  all_parentsparent_modelrD   rE   rb     s    
Nz'%s' has no ForeignKey to '%s'.zR'%s' has more than one ForeignKey to '%s'. You must specify a 'fk_name' attribute.)rS   r(  r+   r-   r   rY  r/   r   rV   rW  rX  r   rd   )rZ  rV   rU  can_failrA   fks_to_parentr@  rD   )r(  rY  rU  rZ  rE   _get_foreign_key  sf   	


-(r]  r  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}t|fi |}||_|S )z
    Return an ``InlineFormSet`` for the given kwargs.

    ``fk_name`` must be provided if ``model`` has more than one ``ForeignKey``
    to ``parent_model``.
    rT  r  r>   rp   r=  r5  r&  r8  r-   r@   r6  r7  ro   r9  r:  rq   rr   rs   rf   )rt   r;  r<  r   r   )r]  uniquer$   r@  )rZ  rV   r>   r=  rU  r-   r@   r5  r8  r&  r7  rp   ro   r:  rq   rr   rs   rf   r6  r9  rt   r;  r<  r   r   r@  rv   r?  rD   rD   rE   r&     s^   !	
r&   c                       sH   e Zd ZdZeZdediZddd 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.
    invalid_choicez3The inline value did not match the parent instance.FN)rO  rP  c                   s`   || _ || _|| _| j d ur!| jrt| j | j|d< n| j j|d< d|d< t j|i | d S )Nr   Fr   )parent_instancerO  rP  rJ   rQ   r   rz   )rx   r`  rO  rP  argsrv   r   rD   rE   rz   R  s   
zInlineForeignKeyField.__init__c                 C   s`   || j v r| jr
d S | jS | jrt| j| j}n| jj}t|t|kr-t| jd dd| jS )Nr_  r   )	r:   rO  r`  rP  rJ   rQ   r   r   rf   )rx   r   origrD   rD   rE   r   ^  s   

zInlineForeignKeyField.cleanc                 C   s   dS NFrD   )rx   r   r6   rD   rD   rE   r!  o  s   z!InlineForeignKeyField.has_changed)rl   r|   r}   r4  r   r4   r  default_error_messagesrz   r   r!  r   rD   rD   r   rE   r   G  s    r   c                   @   s,   e Zd Zdd Zdd Zdd Zdd Zd	S )
ModelChoiceIteratorValuec                 C   s   || _ || _d S r{   )r   r?   )rx   r   r?   rD   rD   rE   rz   t  s   
z!ModelChoiceIteratorValue.__init__c                 C   
   t | jS r{   )r   r   r   rD   rD   rE   __str__x     
z ModelChoiceIteratorValue.__str__c                 C   rg  r{   )hashr   r   rD   rD   rE   __hash__{  ri  z!ModelChoiceIteratorValue.__hash__c                 C   s   t |tr|j}| j|kS r{   )r/   rf  r   )rx   otherrD   rD   rE   __eq__~  s   

zModelChoiceIteratorValue.__eq__N)rl   r|   r}   rz   rh  rk  rm  rD   rD   rD   rE   rf  s  s
    rf  c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )ModelChoiceIteratorc                 C   s   || _ |j| _d S r{   )r3   rO   r   rD   rD   rE   rz     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 )NrJ  )r3   empty_labelrO   _prefetch_related_lookupsiteratorchoice)rx   rO   r   rD   rD   rE   __iter__  s   zModelChoiceIterator.__iter__c                 C   s    | j  | jjd urd S d S )Nr  r   )rO   countr3   ro  r   rD   rD   rE   __len__  s    zModelChoiceIterator.__len__c                 C   s   | j jd up
| j S r{   )r3   ro  rO   existsr   rD   rD   rE   __bool__  s   zModelChoiceIterator.__bool__c                 C   s   t | j||| j|fS r{   )rf  r3   prepare_valuelabel_from_instancerx   r   rD   rD   rE   rr    s   
zModelChoiceIterator.choiceN)rl   r|   r}   rz   rs  ru  rw  rr  rD   rD   rD   rE   rn    s    
rn  c                
       s   e Zd ZdZdediZeZdddddddddd		d
dZdd Z	dd Z
 fddZdd Zdd ZeeeZdd Zdd Zeeejj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	---------TNrJ  F)	ro  r   r4   rd   r   re   to_field_namerY   r   c       	         K   s^   t j| f|||||d| |r|d ust| jtr!|
s!d | _n|| _|| _|	| _|| _d S )N)r   r4   rd   r   re   )	r   rz   r/   r4   r   ro  rO   rY   r{  )rx   rO   ro  r   r4   rd   r   re   r{  rY   r   rv   rD   rD   rE   rz     s*   	

zModelChoiceField.__init__c                 C   s   t  }||S r{   r   )rx   r   non_null_character_validatorrD   rD   rE   validate_no_null_characters  s   z,ModelChoiceField.validate_no_null_charactersc                 C   s   t | jr	|  S | jS )z
        Return ``limit_choices_to`` for this form field.

        If it is a callable, invoke it and return the result.
        )rm   rY   r   rD   rD   rE   rP     s   
z%ModelChoiceField.get_limit_choices_toc                    s*   t t| |}| jd ur| j |_|S r{   )r   r
   __deepcopy__rO   all)rx   memoresultr   rD   rE   r~    s   
zModelChoiceField.__deepcopy__c                 C   s   | j S r{   )r   r   rD   rD   rE   _get_queryset  s   zModelChoiceField._get_querysetc                 C   s$   |d u rd n|  | _| j| j_d S r{   )r  r   choicesr4   )rx   rO   rD   rD   rE   _set_queryset  s   zModelChoiceField._set_querysetc                 C   s   t |S )z
        Convert objects into strings and generate the labels for the choices
        presented by this object. Subclasses can override this method to
        customize the display of the choices.
        r   rz  rD   rD   rE   ry    s   z$ModelChoiceField.label_from_instancec                 C   s   t | dr| jS | | S )N_choices)rT   r  rq  r   rD   rD   rE   _get_choices  s   

	zModelChoiceField._get_choicesc                    s.   t |dr| jr|| jS |jS t |S Nr+   )rT   r{  serializable_valuerQ   r   rx  rx   r   r   rD   rE   rx    s
   
zModelChoiceField.prepare_valuec              
   C   s   || j v rd S | | z| jpd}t|| jjrt||}| jjdi ||i}W |S  tt	| jjj
fyD   t| jd dd|idw )NrQ   r_  r   r   paramsrD   )r:   r}  r{  r/   rO   rV   rJ   r9   r   rn   DoesNotExistr   rf   )rx   r   keyrD   rD   rE   r     s    



zModelChoiceField.to_pythonc                 C   s   t | |S r{   )r   validater  rD   rD   rE   r  %  r   zModelChoiceField.validatec                 C   s@   | j rdS |d ur|nd}|d ur|nd}t| |t|kS )NFrJ  )disabledr   rx  )rx   r   r6   initial_value
data_valuerD   rD   rE   r!  (  s
   zModelChoiceField.has_changed)rl   r|   r}   r4  r  re  rn  rq  rz   r}  rP   r~  r  r  propertyrO   ry  r  r
   r  fsetrx  r   r  r!  r   rD   rD   r   rE   r      s<    $

r    c                       sl   e Zd ZdZeZeZedededd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"   “%(pk)s” is not a valid value.)invalid_listr_  invalid_pk_valuec                    s   t  j|fdd i| d S )Nro  )r   rz   )rx   rO   rv   r   rD   rE   rz   =  s   z!ModelMultipleChoiceField.__init__c                 C   s   |sg S t | |S r{   )rC  _check_valuesr  rD   rD   rE   r   @  s   z"ModelMultipleChoiceField.to_pythonc                 C   sr   |  |}| jr|st| jd dd| js|s| j S t|ttfs-t| jd dd| 	|}| 
| |S )Nr   rb  r  )rx  r   r   rf   rO   rB  r/   rC  r   r  run_validators)rx   r   r   rD   rD   rE   r   E  s   





zModelMultipleChoiceField.cleanc              
      s   | j pd zt|}W n ty   t| jd ddw |D ])}| | z| jjdi  |i W q ttfyG   t| jd dd|idw | jjdi d  |i} fdd|D }|D ]}t	||vrtt| jd	 d	d
|id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.)
        rQ   r  rb  r  r  z%s__inc                    s   h | ]	}t t| qS rD   )r   rJ   r   r  rD   rE   r   r  rV  z9ModelMultipleChoiceField._check_values.<locals>.<setcomp>r_  r   NrD   )
r{  	frozensetrn   r   rf   r}  rO   rU   r   r   )rx   r   rQ   r   pksvalrD   r  rE   r  V  s>   

z&ModelMultipleChoiceField._check_valuesc                    sD   t |drt|tst |dst j  fdd|D S t |S )Nrs  r+   c                    s   g | ]} |qS rD   rD   )r`   r   rx  rD   rE   rb     r   z:ModelMultipleChoiceField.prepare_value.<locals>.<listcomp>)rT   r/   r   r   rx  r  r   r  rE   rx  |  s   z&ModelMultipleChoiceField.prepare_valuec                 C   s`   | j rdS |d u rg }|d u rg }t|t|krdS dd | |D }dd |D }||kS )NFTc                 S      h | ]}t |qS rD   r  r`   r   rD   rD   rE   r     r   z7ModelMultipleChoiceField.has_changed.<locals>.<setcomp>c                 S   r  rD   r  r  rD   rD   rE   r     r   )r  r   rx  )rx   r   r6   initial_setdata_setrD   rD   rE   r!    s   z$ModelMultipleChoiceField.has_changed)rl   r|   r}   r4  r   r4   r   hidden_widgetr  re  rz   r   r   r  rx  r!  r   rD   rD   r   rE   r!   0  s     &
r!   c                 C   s"   t | do| jjd up| jjd uS r  )rT   r+   r-   r@   )rg   rD   rD   rE   modelform_defines_fields  s   
r  )NN)	NNNNNNNNNrd  )=r4  	itertoolsr   django.core.exceptionsr   r   r   r   django.core.validatorsr   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.choicesr   django.utils.hashabler   django.utils.textr   r   django.utils.translationr   r   r  r(   r"   rF   r   r[   r   rw   r~   r   r   r'   r#   r$   r%   r]  r&   r   rf  rn  r    r!   r  rD   rD   rD   rE   <module>   s    

0vI ]
[  g
G
uR
E, d