
    bhiu                       d dl Zd dlZd dlZd dlZd dlZd dlZd dl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 d dlmZ d dlmZmZmZ d dlmZmZ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 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l0m1Z1m2Z2 d dl3m4Z4 d dl5m6Z6 d dl7m8Z9 g dZ: G d d      Z; G d d      Z<dgZ=d Z>d Z?d Z@e G d de              ZA G d d eA      ZB G d! d"eA      ZC G d# d$eC      ZDd% ZEd& ZF G d' d(      ZG G d) d*eGeA      ZH G d+ d,eH      ZI G d- d.eA      ZJ G d/ d0eA      ZK G d1 d2eC      ZL G d3 d4eA      ZM G d5 d6eA      ZN G d7 d8eA      ZO G d9 d:eO      ZP G d; d<eO      ZQ G d= d>eA      ZR G d? d@eA      ZS G dA dBeB      ZT G dC dD      ZU G dE dFeUeP      ZV G dG dHeUeO      ZW G dI dJeUeQ      ZX G dK dLeC      ZY G dM dNeA      ZZ G dO dPeGeA      Z[ G dQ dReC      Z\ G dS dTeA      Z] G dU dVeA      Z^ G dW dX      Z_ G dY dZe`      Za G d[ d\e_eOea]      Zb G d^ d_e_eP      Zc G d` dae_eQ      Zdy)b    N)	b64decode	b64encode)partialmethodtotal_ordering)forms)apps)settings)checks
exceptions
validators)
connectionconnectionsrouter)
LOOKUP_SEP)DeferredAttributeRegisterLookupMixin)timezone)DictWrapper)
parse_dateparse_datetimeparse_duration
parse_time)duration_microsecondsduration_string)Promisecached_property)MAX_IPV6_ADDRESS_LENGTHclean_ipv6_address)is_iterable)capfirst)gettext_lazy) 	AutoFieldBLANK_CHOICE_DASHBigAutoFieldBigIntegerFieldBinaryFieldBooleanField	CharFieldCommaSeparatedIntegerField	DateFieldDateTimeFieldDecimalFieldDurationField
EmailFieldEmptyFieldFilePathField
FloatFieldGenericIPAddressFieldIPAddressFieldIntegerFieldNOT_PROVIDEDNullBooleanFieldPositiveBigIntegerFieldPositiveIntegerFieldPositiveSmallIntegerField	SlugFieldSmallAutoFieldSmallIntegerField	TextField	TimeFieldURLField	UUIDFieldc                       e Zd Zy)r/   N__name__
__module____qualname__     V/var/www/alwasay/venv/lib/python3.12/site-packages/django/db/models/fields/__init__.pyr/   r/   E       rH   r/   c                       e Zd Zy)r6   NrC   rG   rH   rI   r6   r6   I   rJ   rH   r6   ) z	---------c                 `    t        j                  | |      j                  j                  |      S N)r   	get_model_meta	get_field)	app_label
model_name
field_names      rI   _load_fieldrU   R   s$    >>)Z066@@LLrH   c                 (    t               }| |_        |S rN   )r/   	__class__)of_clsnews     rI   _emptyrZ   f   s    
'CCMJrH   c                       y rN   rG   rG   rH   rI   return_Noner\   l   s    rH   c                       e Zd ZdZdZ eej                        ZdZ	dZ
g Z ed       ed       ed       ed       ed	      d
ZdZdZdZdZdZdZdZdZdZeZd Z ee      ZdddddddddedddddddddddddfdZ fdZd Zd Z d Z!e"d        Z#d Z$d Z%dNdZ&d Z'dNdZ(d Z)d Z*dNdZ+e,d        Z-d  Z.d! Z/d" Z0d# Z1d$ Z2d% Z3d& Z4d' Z5d( Z6d) Z7d* Z8e,d+        Z9e,d,        Zd- Z:d. Z;d/ Z<d0 Z=d1 Z>d2 Z?d3 Z@d4 ZAd5 ZBd6 ZCd7 ZDed8        ZEed9        ZFed:        ZGd; ZHdOd<ZId= ZJd> ZKd? ZLd@ ZMdA ZNdB ZOdOdCZPdD ZQdE ZRdF ZSe,dG        ZTdeUddfdHZVdI ZWdJ ZX eeX      ZYdK ZZdPdLZ[dM Z\ xZ]S )Qr0   zBase class for all field typesTr   z&Value %(value)r is not a valid choice.zThis field cannot be null.zThis field cannot be blank.z8%(model_name)s with this %(field_label)s already exists.zH%(field_label)s must be unique for %(date_field_label)s %(lookup_type)s.)invalid_choicenullblankuniqueunique_for_dateN)ra   choices	db_columneditableerror_messages	help_textlimit_choices_to	on_deleterelated_namerelated_query_namer   verbose_nameFc                 J    t        d      d| j                  j                  iz  S )NzField of type: %(field_type)s
field_type)_rW   rD   selfs    rI   _descriptionzField._description   s)    01$..115
 
 	
rH   rL   rG   c                    || _         || _        || _        || _        ||c| _        | _        ||c| _        | _        |	| _        | j                  d u| _	        |
| _
        || _        || _        || _        || _        || _        t!        |t"        j$                  j&                        rt)        |      }|| _        || _        || _        || _        || _        || _        || _        |r/t8        j:                  | _        t8        xj:                  dz  c_        n.t8        j<                  | _        t8        xj<                  dz  c_        t)        |      | _        || _         y )N   )!namerm   _verbose_nameprimary_key
max_length_uniquera   r`   remote_fieldis_relationdefaultrf   	serializerc   unique_for_monthunique_for_year
isinstancecollectionsabcIteratorlistrd   rh   db_indexre   
db_comment_db_tablespaceauto_createdr0   auto_creation_countercreation_counter_validators_error_messages)rr   rm   rv   rx   ry   rb   ra   r`   r   relr}   rf   r~   rc   r   r   rd   rh   re   db_tablespacer   r   rg   r   s                           rI   __init__zField.__init__   s3   4 	()&(2F% %t
DI,,D8 ". 0.g{7787mG" "$+( $)$?$?D!''1,'$)$:$:D!""a'"
+-rH   c                     t        | d      st        | 	         S | j                  }|j                  j
                  d| j                  S )zb
        Return "app_label.model_label.field_name" for fields attached to
        models.
        model.)hasattrsuper__str__r   rP   labelrv   )rr   r   rW   s     rI   r   zField.__str__   s>    
 tW%7?$$

++++TYY77rH   c                     | j                   j                  d| j                   j                  }t        | dd      }|	d|d|dS d|z  S )z1Display the module, class, and name of the field.r   rv   N<z: >z<%s>)rW   rE   rF   getattr)rr   pathrv   s      rI   __repr__zField.__repr__   sI    ..33T^^5P5PQtVT*!%t,,}rH   c                    g | j                         | j                         | j                          | j                  di || j	                          | j
                  di || j                         | j                         S NrG   )_check_field_name_check_choices_check_db_index_check_db_comment$_check_null_allowed_for_primary_keys_check_backend_specific_checks_check_validators_check_deprecation_detailsrr   kwargss     rI   checkzField.check  s    	
##%	
  "	
 !!#	
 $T##-f-		

 668	
 1T00:6:	
 ##%	
 ,,.	
 		
rH   c                 "   | j                   j                  d      rt        j                  d| d      gS t        | j                   v r t        j                  dt        z  | d      gS | j                   dk(  rt        j                  d| d	      gS g S )
z
        Check if field name is valid, i.e. 1) does not end with an
        underscore, 2) does not contain "__" and 3) is not "pk".
        rp   z,Field names must not end with an underscore.zfields.E001objidz"Field names must not contain "%s".zfields.E002pkz<'pk' is a reserved word that cannot be used as a field name.zfields.E003)rv   endswithr
   Errorr   rq   s    rI   r   zField._check_field_name  s    
 99c"B$  499$8:E$  YY$R$  IrH   c                 J    t        |t        t        f      xs t        |       S rN   )r   strr   r   )clsvalues     rI   _choices_is_valuezField._choices_is_value/  s     %#w0JE8J4JJrH   c                 (     j                   sg S t         j                         rt         j                   t              rt	        j
                  d d      gS d} j                   D ]T  }	 |\  }}	 t         fd|D              s np j                  |rt        |gd |D              }t        |t              sT n:  j                  +| j                  kD  rt	        j
                  d|z   d      gS g S t	        j
                  d	 d
      gS # t        t        f$ r Y  +w xY w# t        t        f$ r] ||}} j                  |      r j                  |      sY  g j                  %t        |t              rt        |t        |            }Y w xY w)Nz6'choices' must be an iterable (e.g., a list or tuple).zfields.E004r   r   c              3   l   K   | ]+  \  }}j                  |      xr j                  |       - y wrN   )r   ).0r   
human_namerr   s      rI   	<genexpr>z'Field._check_choices.<locals>.<genexpr>I  s;      )z **51Xd6L6LZ6XXs   14c              3   X   K   | ]"  \  }}t        |t              rt        |       $ y wrN   )r   r   len)r   r   rp   s      rI   r   z'Field._check_choices.<locals>.<genexpr>R  s*      $,E1#-eS#9 !$E
s   (*zP'max_length' is too small to fit the longest value in 'choices' (%d characters).zfields.E009zT'choices' must be an iterable containing (actual value, human readable name) tuples.zfields.E005)rd   r   r   r   r
   r   	TypeError
ValueErrorallry   maxr   r   )rr   choice_max_lengthchoices_group
group_namegroup_choicesr   r   s   `      rI   r   zField._check_choices3  s   ||I4<<(Jt||S,IL$  !\\ .	M,9)
MK -:  ??.=(+-0=	)%* --G.	J */@4??/RLL8:KL (	  I LL> 	
 	
[ z* ( z* K$.z--e4D<R<R= ??.:eS3I(+,=s5z(J%Ks0   *D0D%#D%D"!D"%5F1FFc                 T    | j                   dvrt        j                  d| d      gS g S )N)NTFz''db_index' must be None, True or False.zfields.E006r   )r   r
   r   rq   s    rI   r   zField._check_db_index{  s5    == 33=$  IrH   c                 h   | j                   r|sg S g }|D ]  }t        j                  || j                        s$t        |   }|j
                  j                  rDd| j                  j                  j                  v rg|j                  t        j                  |j                   d| d              |S )Nsupports_commentsz3 does not support comments on columns (db_comment).zfields.W163r   )r   r   allow_migrate_modelr   r   featuresr   rP   required_db_featuresappendr
   Warningdisplay_name)rr   	databasesr   errorsdbr   s         rI   r   zField._check_db_comment  s    iI 	B--b$**=$RJ##55&$***:*:*O*OONN%223 40 1 (		  rH   c                     | j                   r@| j                  r4t        j                  j                  st        j                  dd| d      gS g S )Nz%Primary keys must not have null=True.zASet null=False on the field, or remove primary_key=True argument.zfields.E007hintr   r   )rx   r`   r   r   !interprets_empty_strings_as_nullsr
   r   rq   s    rI   r   z*Field._check_null_allowed_for_primary_keys  sP    		''II ;< $
 
 IrH   c                     |g S g }|D ]U  }t        j                  || j                        s$|j                  t	        |   j
                  j                  | fi |       W |S rN   )r   r   r   extendr   
validationcheck_field)rr   r   r   r   aliass        rI   r   z$Field._check_backend_specific_checks  sf    I 	YE))%<k%0;;GGWPVWX	Y rH   c                     g }t        | j                        D ]S  \  }}t        |      r|j                  t	        j
                  ddj                  |t        |            | d             U |S )Nz"All 'validators' must be callable.zKvalidators[{i}] ({repr}) isn't a function or instance of a validator class.)ireprzfields.E008r   )	enumerater   callabler   r
   r   formatr   )rr   r   r   	validators       rI   r   zField._check_validators  st    %doo6 	LAyI&LL<==CV"#%))_ >D >
 !(	  rH   c           	      .   | j                   ~t        j                  | j                   j                  dd| j                  j
                  z        | j                   j                  d      | | j                   j                  dd            gS | j                  ~t        j                  | j                  j                  dd| j                  j
                  z        | j                  j                  d      | | j                  j                  dd            gS g S )	Nmsgz@%s has been removed except for support in historical migrations.r   r   zfields.EXXXr   z%s has been deprecated.zfields.WXXX)system_check_removed_detailsr
   r   getrW   rD   system_check_deprecated_detailsr   rq   s    rI   r   z Field._check_deprecation_details  s   ,,85599&(,(?(?@
 ::>>vF88<<T=Q	  11=88<<84>>;R;RR ==AA&I;;??mT	 	 	rH   c                     || j                   j                  j                  k(  r||| k(  r| j                  S ddlm}  ||| |      S Nr   )Col)r   rP   db_table
cached_coldjango.db.models.expressionsr   )rr   r   output_fieldr   s       rI   get_colzField.get_col  sC    DJJ$$--- LD$8??"45$--rH   c                 \    ddl m}  || j                  j                  j                  |       S r   )r   r   r   rP   r   )rr   r   s     rI   r   zField.cached_col  s"    44::##,,d33rH   c                 
    ||fS )z
        Custom format for select clauses. For example, GIS columns need to be
        selected as AsText(table.col) on MySQL as the table.col data can't be
        used by Django.
        rG   )rr   compilersqlparamss       rI   select_formatzField.select_format  s     F{rH   c                    i }i ddddddddddddd	dd
t         ddddddddddddddddddddg dd}dddddd}ddh}|j                         D ]o  \  }}t        | |j                  ||            }|dk(  r/t	        |t
        j                  j                        rt        |      }||v r||k7  s`|||<   f||usk|||<   q | j                  j                  d| j                  j                  }|j                  d      r|j                  dd       }n|j                  d!      r|j                  d!d       }nk|j                  d"      r|j                  d"d       }nG|j                  d#      r|j                  d#d       }n#|j                  d$      r|j                  d$d       }| j                  |g |fS )%a|  
        Return enough information to recreate the field as a 4-tuple:

         * The name of the field on the model, if contribute_to_class() has
           been run.
         * The import path of the field, including the class, e.g.
           django.db.models.IntegerField. This should be the most portable
           version, so less specific may be better.
         * A list of positional arguments.
         * A dict of keyword arguments.

        Note that the positional or keyword arguments must contain values of
        the following types (including inner values of collection types):

         * None, bool, str, int, float, complex, set, frozenset, list, tuple,
           dict
         * UUID
         * datetime.datetime (naive), datetime.date
         * top-level classes, top-level functions - will be referenced by their
           full import path
         * Storage instances - these have their own deconstruct() method

        This is because the values here must be serialized into a text format
        (possibly new Python code, possibly JSON) and these are the only types
        with encoding handlers defined.

        There's no need to return the exact way the field was instantiated this
        time, just ensure that the resulting field is the same - prefer keyword
        arguments over positional ones, and omit parameters with their default
        values.
        rm   Nrx   Fry   rb   ra   r`   r   r}   rf   Tr~   rc   r   r   rd   rh   rL   re   r   )r   r   r   rg   rz   r   r   rw   r   )rb   rg   r   rm   r   r   r   zdjango.db.models.fields.relatedzdjango.db.modelszdjango.db.models.fields.fileszdjango.db.models.fields.jsonzdjango.db.models.fields.proxyzdjango.db.models.fields)r6   itemsr   r   r   r   r   Iterabler   rW   rE   rF   
startswithreplacerv   )	rr   keywords	possiblesattr_overridesequals_comparisonrv   r}   r   r   s	            rI   deconstructzField.deconstruct  sa   B 
D
5
 $
 e	

 U
 E
 
 |
 
 
 t
 
 t
 t
 
  !
" $#
$ "!"+
	0  /'+-
 '5&__. 	+MD'D."4"4T4"@AEy Z{7O7O%PU((G#%*HTN'%*HTN	+ ..33T^^5P5PQ??<=<< ACUVD__<=<< ?ASTD__;<<< >@RSD__<=<< ?ASTD__67<< 9;MND		4X..rH   c                 P    | j                         \  }}}} | j                  |i |S )z
        Uses deconstruct() to clone a new copy of this Field.
        Will not preserve any class attachments/attribute names.
        )r   rW   )rr   rv   r   argsr   s        rI   clonezField.clone_  s1    
 $(#3#3#5 dD&t~~t.v..rH   c                     t        |t              r6| j                  |j                  k(  xr t        | dd       t        |dd       k(  S t        S Nr   )r   r0   r   r   NotImplementedrr   others     rI   __eq__zField.__eq__g  sS    eU#((E,B,BB /wgtH.H/ / rH   c                    t        |t              r| j                  |j                  k7  st        | d      s%t        |d      s| j                  |j                  k  S t        | d      t        |d      k7  rt        | d       S | j                  j
                  j                  | j                  j
                  j                  f|j                  j
                  j                  |j                  j
                  j                  fk  S t        S r  )	r   r0   r   r   r   rP   rR   rS   r  r  s     rI   __lt__zField.__lt__o  s     eU#%%)?)??tW-w/,,u/E/EEEw'75'+BB"4111 

((22DJJ4D4D4O4OPKK%%//KK%%00T   rH   c                 ,    t        | j                        S rN   )hashr   rq   s    rI   __hash__zField.__hash__  s    D))**rH   c                 *   t        j                   |       }| j                  rct        j                   | j                        |_        t        | j                  d      r)| j                  j                  | u r||j                  _        ||t	        |       <   |S )Nfield)copyr{   r   r  r   )rr   memodictr   s      rI   __deepcopy__zField.__deepcopy__  sv     iio#yy):):;Ct(('2t7H7H7N7NRV7V),  & D
rH   c                 z    t               }| j                  |_        | j                  j                         |_        |S rN   )r/   rW   __dict__r  rr   r   s     rI   __copy__zField.__copy__  s/     g}}))+
rH   c                 <   t        | d      s@| j                  j                         }|j                  dd       t        | j
                  f|fS t        | j                  j                  j                  | j                  j                  j                  | j                  ffS )z
        Pickling should return the model._meta.fields instance of the field,
        not a new copy of that field. So, use the app registry to load the
        model and then the field back.
        r   _get_defaultN)r   r  r  poprZ   rW   rU   r   rP   rR   object_namerv   )rr   states     rI   
__reduce__zField.__reduce__  s     tW% MM&&(E IInd+DNN,e33JJ&&JJ((II
 
 	
rH   c                 <    | j                   r| j                         S y)a  
        Hook to generate new PK values on save. This method is called when
        saving instances with no primary key value set. If this method returns
        something else than None, then the returned value is used when saving
        the new instance.
        N)r}   get_default)rr   instances     rI   get_pk_value_on_savezField.get_pk_value_on_save  s     <<##%%rH   c                     |S )z
        Convert the input value into the expected Python data type, raising
        django.core.exceptions.ValidationError if the data can't be converted.
        Return the converted value. Subclasses should override this.
        rG   rr   r   s     rI   	to_pythonzField.to_python  s	     rH   c                     i }t        | j                  j                        D ]  }|j                  t	        |di                |j                  | j
                  xs i        |S )Ndefault_error_messages)reversedrW   __mro__updater   r   )rr   messagescs      rI   rg   zField.error_messages  sY    $..001 	FAOOGA'?DE	F,,23rH   c                 6    g | j                   | j                  S )z
        Some validators can't be created at field initialization time.
        This method provides a way to delay their creation until required.
        )default_validatorsr   rq   s    rI   r   zField.validators  s      =((<4+;+;<<rH   c                    || j                   v ry g }| j                  D ]  }	  ||        |rt        j                  |      y # t        j                  $ rg}t	        |d      r6|j
                  | j                  v r| j                  |j
                     |_        |j                  |j                         Y d }~d }~ww xY w)Ncode)
empty_valuesr   r   ValidationErrorr   r-  rg   messager   
error_list)rr   r   r   ves        rI   run_validatorszField.run_validators  s    D%%% 	,A,%	, ,,V44  -- ,1f%!&&D4G4G*G $ 3 3AFF ;AIall++,s   AB>AB99B>c                 
   | j                   sy| j                  y|| j                  vrk| j                  D ]5  \  }}t        |t        t
        f      r|D ]  \  }}||k(  s  y /||k(  s5 y t        j                  | j                  d   dd|i      |0| j                  s$t        j                  | j                  d   d      | j                  s3|| j                  v r$t        j                  | j                  d   d      yy)z
        Validate value and raise ValidationError if necessary. Subclasses
        should override this to provide validation logic.
        Nr_   r   r-  r   r`   )r-  ra   )rf   rd   r.  r   r   tupler   r/  rg   r`   ra   )rr   r   model_instance
option_keyoption_valueoptgroup_keyoptgroup_values          rI   validatezField.validate  s   
 }}<<#T5F5F(F,0LL (
LlT5M: 9E #4n L0"# j( ,,##$45%'  =,,T-@-@-HvVVzzet'8'88,,T-@-@-IPWXX 9zrH   c                 n    | j                  |      }| j                  ||       | j                  |       |S )z
        Convert the value's type and run validation. Validation errors
        from to_python() and validate() are propagated. Return the correct
        value if no error is raised.
        )r"  r=  r4  rr   r   r8  s      rI   cleanzField.clean  s3     u%e^,E"rH   c                 X    t        | j                  |j                  j                  d      S )Nqn_)r   r  ops
quote_namerr   r   s     rI   db_type_parameterszField.db_type_parameters  s    4==*..*C*CUKKrH   c                     | j                  |      }	 |j                  | j                            |z  S # t        $ r Y yw xY w)z
        Return the database column check constraint for this field, for the
        provided connection. Works the same way as db_type() for the case that
        get_internal_type() does not map to a preexisting model field.
        N)rF  data_type_check_constraintsget_internal_typeKeyError)rr   r   datas      rI   db_checkzField.db_check  sO     &&z2	66t7M7M7OPSWW  		s   3 	??c                     | j                  |      }	 |j                  | j                            }t        |      r ||      S ||z  S # t        $ r Y yw xY w)zk
        Return the database column data type for this field, for the provided
        connection.
        N)rF  
data_typesrI  r   rJ  )rr   r   rK  column_types       rI   db_typezField.db_type  sf    ( &&z2	&$//0F0F0HIK
 $"4((%%  		s   A 	AAc                 $    | j                  |      S )z
        Return the data type that a related field pointing to this field should
        use. For example, this method is called by ForeignKey and OneToOneField
        to determine its data type.
        )rP  rE  s     rI   rel_db_typezField.rel_db_type=  s     ||J''rH   c                     |j                   j                  j                  | j                               }|r|| j	                  |      z  S | j                  |      S )z3Return the data type to use in the Cast() function.)rC  cast_data_typesr   rI  rF  rP  )rr   r   rP  s      rI   cast_db_typezField.cast_db_typeE  sM    ..0044T5K5K5MNT44Z@@@||J''rH   c                 P    | j                  |      }| j                  |      }||dS )z
        Extension of db_type(), providing a range of different return values
        (type, checks). This will look at db_type(), allowing custom model
        fields to override it.
        )typer   )rP  rL  )rr   r   type_stringcheck_strings       rI   db_parameterszField.db_parametersL  s0     ll:.}}Z0!
 	
rH   c                 T    |j                   j                  | j                               S rN   )data_types_suffixr   rI  rE  s     rI   db_type_suffixzField.db_type_suffixY  s"    ++//0F0F0HIIrH   c                 8    t        | d      r| j                  gS g S )Nfrom_db_value)r   r_  rE  s     rI   get_db_converterszField.get_db_converters\  s     4)&&''	rH   c                 6    | j                   xs | j                  S rN   )rz   rx   rq   s    rI   rb   zField.uniquea  s    ||/t///rH   c                 >    | j                   xs t        j                  S rN   )r   r	   DEFAULT_INDEX_TABLESPACErq   s    rI   r   zField.db_tablespacee  s    ""Gh&G&GGrH   c                      y)z
        Private API intended only to be used by Django itself. Currently only
        the PostgreSQL backend supports returning multiple fields on a model.
        FrG   rq   s    rI   db_returningzField.db_returningi  s     rH   c                    | j                   xs || _         | j                         \  | _        | _        | j                  d u| _        | j
                  /| j                   r"| j                   j                  dd      | _        y y y )Nrp    )rv   get_attname_columnattnamecolumnconcreterm   r   )rr   rv   s     rI   set_attributes_from_namezField.set_attributes_from_nameq  sl    II%	$($;$;$=!dk4/$ $		 1 1#s ;D *3$rH   c                    | j                  |       || _        |j                  j                  | |       | j                  r&t        || j                  | j                  |              | j                  Ld| j                  z  |j                  vr0t        |d| j                  z  t        |j                  |              yyy)z
        Register the field with the model class it belongs to.

        If private_only is True, create a separate instance of this field
        for every subclass of cls, even if cls is not an abstract model.
        )privateNzget_%s_display)r  )rl  r   rP   	add_fieldrj  setattrri  descriptor_classrd   rv   r  r   _get_FIELD_display)rr   r   rv   private_onlys       rI   contribute_to_classzField.contribute_to_classx  s     	%%d+
		D,7;;Ct'<'<T'BC<<#
  $))+3<<?$tyy0!#"8"8E @ $rH   c                 F    | j                   t        || j                        iS )z
        Return a dict that when passed as kwargs to self.model.filter(), would
        yield all instances having the same value for this field as obj has.
        )rv   r   ri  r  s     rI   get_filter_kwargs_for_objectz"Field.get_filter_kwargs_for_object  s    
 		73566rH   c                     | j                   S rN   )rv   rq   s    rI   get_attnamezField.get_attname  s    yyrH   c                 J    | j                         }| j                  xs |}||fS rN   )rx  re   )rr   ri  rj  s      rI   rh  zField.get_attname_column  s(    ""$*7rH   c                 .    | j                   j                  S rN   )rW   rD   rq   s    rI   rI  zField.get_internal_type  s    ~~&&&rH   c                 .    t        || j                        S )z(Return field's value just before saving.r   ri  )rr   r8  adds      rI   pre_savezField.pre_save  s    ~t||44rH   c                 F    t        |t              r|j                         }|S )zAPerform preliminary non-db specific value checks and conversions.)r   r   _proxy____castr!  s     rI   get_prep_valuezField.get_prep_value  s    eW%((*ErH   c                 ,    |s| j                  |      }|S )z
        Return field's value prepared for interacting with the database backend.

        Used by the default implementations of get_db_prep_save().
        )r  rr   r   r   prepareds       rI   get_db_prep_valuezField.get_db_prep_value  s     ''.ErH   c                 F    t        |d      r|S | j                  ||d      S )z9Return field's value prepared for saving into a database.as_sqlF)r   r  )r   r  rr   r   r   s      rI   get_db_prep_savezField.get_db_prep_save  s)    5(#L%%e
U%SSrH   c                 &    | j                   t        uS )z;Return a boolean of whether this field has a default value.)r}   r6   rq   s    rI   has_defaultzField.has_default  s    ||<//rH   c                 "    | j                         S )z(Return the default value for this field.)r  rq   s    rI   r  zField.get_default  s      ""rH   c                       j                         r&t         j                        r j                  S  fdS  j                  r& j                  r t
        j                  j                  st        S t        S )Nc                       j                   S rN   )r}   rq   s   rI   <lambda>z$Field._get_default.<locals>.<lambda>  s    4<< rH   )
r  r   r}   empty_strings_allowedr`   r   r   r   r\   r   rq   s   `rI   r  zField._get_default  sW    %||#'' **yy''II
rH   c                 6   | j                   <t        | j                         }|r#t        d | j                  D              }|s||z   }|S | j                  j
                  }|xs | j                         }t        j                  t        | j                  d      r$| j                  j                         j                  nd      }|j                  j                  |      }	|r |	j                  | }	|r|ng |	D 
cg c]  }
 ||
      t        |
      f c}
z   S c c}
w )z{
        Return choices with a default blank choices included, for use
        as <select> choices for this field.
        c              3   *   K   | ]  \  }}|d v   yw))rL   NNrG   )r   choicerp   s      rI   r   z$Field.get_choices.<locals>.<genexpr>  s      $-6VQFj($s   get_related_fieldr   )rd   r   anyflatchoicesr{   r   get_limit_choices_tooperator
attrgetterr   r  ri  _default_managercomplex_filterorder_byr   )rr   include_blankblank_choiceri   orderingrd   blank_defined	rel_modelchoice_funcqsxs              rI   get_choiceszField.get_choices  s    <<#4<<(G # $:>:J:J$ ! %*W4GN%%++	+Jt/H/H/J))t((*=> //199

 ''667GHh'B -2.0:
)*[^SV$:
 
 	
 :
s   7Dc                 6    t        | j                  |            S )z
        Return a string value of this field from the passed obj.
        This is used by the serialization framework.
        )r   value_from_objectr  s     rI   value_to_stringzField.value_to_string  s    
 4))#.//rH   c                     | j                   g S g }| j                   D ]@  \  }}t        |t        t        f      r|j	                  |       .|j                  ||f       B |S )z#Flattened version of choices tuple.)rd   r   r   r7  r   r   )rr   flatr  r   s       rI   _get_flatchoiceszField._get_flatchoices  s^    <<I!\\ 	-MFE%$/E"VUO,		-
 rH   c                 2    t        || j                  |       y rN   )rp  rv   )rr   r  rK  s      rI   save_form_datazField.save_form_data
  s    $))T*rH   c                 t   | j                    t        | j                        | j                  d}| j	                         r=t        | j                        r| j                  |d<   d|d<   n| j                         |d<   | j                  | j                   xs | j	                         xs d|v  }| j                  |      |d<   | j                  |d<   | j                  rd|d	<   ||}nt        j                  }t        |      D ]
  }|d
vs||=  |j                  |       |t        j                   } |di |S )z4Return a django.forms.Field instance for this field.)requiredr   rh   initialTshow_hidden_initialNr  rd   coerceempty_value)r  r  rd   r  widgetr   r  rh   rg   r  disabledrG   )ra   r    rm   rh   r  r   r}   r  rd   r  r"  r`   r   TypedChoiceFieldr   r'  r(   )rr   
form_classchoices_form_classr   defaultsr  ks          rI   	formfieldzField.formfield  sG    !JJd//0

 %&*ll#26./&*&6&6&8#<<# JJ   "9i6&9+M #'"2"2"2"OHY!%HXyy*.'!-/
"33
 &\ "   q	" 	J%H%%rH   c                 .    t        || j                        S )z;Return the value of this field in the given model instance.r|  r  s     rI   r  zField.value_from_object>  s    sDLL))rH   rN   FNN)^rD   rE   rF   __doc__r  r   r   EMPTY_VALUESr.  r   r   r+  rp   r$  r   r   non_db_attrshiddenmany_to_manymany_to_oneone_to_many
one_to_onerelated_modelr   rq  rs   propertydescriptionr6   r   r   r   r   r   classmethodr   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r	  r  r  r  r  r  r"  rg   r4  r=  r@  rF  rL  rP  rR  rU  rZ  r]  r`  rb   r   re  rl  rt  rv  rx  rh  rI  r~  r  r  r  r  r  r  r#   r  r  r  r  r  r  r  __classcell__rW   s   @rI   r0   r0   p   s   ( !
//0L
 DE./01NO4
 '+##' L" FLKKJM(

 <(K 1<.|8

@ K KF
P
,.(6. 4 4
Z/x/(+	
.	   = =5 Y>	L&>((
J
 0 0 H H  <07
'5T0#    & 
D0
 +,K+/&b*rH   r0   c                   j     e Zd ZdZ ed       ed      dZ ed      Zd Zd Z fdZ	 fd	Z
 xZS )
r'   Fu3   “%(value)s” value must be either True or False.u:   “%(value)s” value must be either True, False, or None.invalidinvalid_nullablezBoolean (Either True or False)c                      y)Nr'   rG   rq   s    rI   rI  zBooleanField.get_internal_typeK      rH   c                     | j                   r|| j                  v ry |dv rt        |      S |dv ry|dv ryt        j                  | j
                  | j                   rdnd   dd|i	      )
N)TF)tTrue1T)fFalse0Fr  r  r   r6  )r`   r.  boolr   r/  rg   r!  s     rI   r"  zBooleanField.to_pythonN  sx    99$"3"33M!;&&''((dii 2YOU#
 	
rH   c                 J    t         |   |      }|y | j                  |      S rN   r   r  r"  rr   r   rW   s     rI   r  zBooleanField.get_prep_value^  s)    &u-=~~e$$rH   c                     | j                   ,| j                         xs d|v  }d| j                  |      i}n1| j                  rt        j
                  nt        j                  }|dd}t        |    di i ||S )Nr  rd   r  F)r  r  rG   )	rd   r  r  r`   r   r7   r'   r   r  )rr   r   r  r  r  rW   s        rI   r  zBooleanField.formfieldd  s    <<#!%!1!1!3!JyF7JKM!4#3#3-#3#PQH3799//%BTBTJ '1eDHw :#9h#9&#9::rH   )rD   rE   rF   r  rp   r$  r  rI  r"  r  r  r  r  s   @rI   r'   r'   C  sI    !JKZ[ 45K
 %
; 
;rH   r'   c                        e Zd Zdd fd
Zed        Z fdZd Zd Z fdZ	 fd	Z
d
 Zd Z fdZ fdZ fdZ xZS )r(   Ndb_collationc                    t        |   |i | || _        | j                  9| j                  j                  t	        j                  | j                               y y rN   )r   r   r  ry   r   r   MaxLengthValidatorrr   r  r   r   rW   s       rI   r   zCharField.__init__r  sM    $)&)(??&OO"":#@#@#QR 'rH   c                 F    | j                   t        d      S t        d      S )NzString (up to %(max_length)s)zString (unlimited))ry   rp   rq   s    rI   r  zCharField.descriptionx  s$    ??&455)**rH   c                     |j                  d      xs g }g t        |   di || j                  |       | j                  di |S Nr   rG   )r   r   r   _check_db_collation_check_max_length_attributerr   r   r   rW   s      rI   r   zCharField.check  sa    JJ{+1r	
W]$V$
%%i0
 .T--77
 	
rH   c                    | j                   Wt        j                  j                  s"d| j                  j
                  j                  v rg S t        j                  d| d      gS t        | j                   t              r)t        | j                   t              s| j                   dk  rt        j                  d| d      gS g S )Nsupports_unlimited_charfieldz0CharFields must define a 'max_length' attribute.zfields.E120r   r   z('max_length' must be a positive integer.zfields.E121)ry   r   r   r  r   rP   r   r
   r   r   intr  r   s     rI   r  z%CharField._check_max_length_attribute  s    ??"##@@1::##889 	F$  4??C0$//40!# >$  IrH   c                 b   g }|D ]  }t        j                  || j                        s$t        |   }| j                  :d| j                  j
                  j                  v r]|j                  j                  rt|j                  t        j                  d|j                  z  | d              |S )Nsupports_collation_on_charfieldz7%s does not support a database collation on CharFields.fields.E190r   )r   r   r   r   r  rP   r   r   r  r   r
   r   r   rr   r   r   r   r   s        rI   r  zCharField._check_db_collation       	B--b$**=$RJ!!)4::##889&&FFLL&(2(?(?@ (		$ rH   c                 f    | j                   |j                  j                  S t        |   |      S rN   )ry   rC  "cast_char_field_without_max_lengthr   rU  )rr   r   rW   s     rI   rU  zCharField.cast_db_type  s-    ??">>DDDw#J//rH   c                 D    t         |   |      }| j                  |d<   |S N	collationr   rZ  r  rr   r   	db_paramsrW   s      rI   rZ  zCharField.db_parameters  (    G)*5	!%!2!2	+rH   c                      y)Nr(   rG   rq   s    rI   rI  zCharField.get_internal_type      rH   c                 @    t        |t              s||S t        |      S rN   r   r   r!  s     rI   r"  zCharField.to_python      eS!U]L5zrH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zCharField.get_prep_value  !    &u-~~e$$rH   c                     d| j                   i}| j                  rt        j                  j                  sd |d<   |j                  |       t        |   di |S )Nry   r  rG   )ry   r`   r   r   r   r'  r   r  )rr   r   r  rW   s      rI   r  zCharField.formfield  sQ     !$//299Z00RR&*H]#w ,8,,rH   c                 l    t         |          \  }}}}| j                  r| j                  |d<   ||||fS Nr  r   r   r  rr   rv   r   r   r   rW   s        rI   r   zCharField.deconstruct  A    #(7#6#8 dD&%)%6%6F>"T4''rH   )rD   rE   rF   r   r  r  r   r  r  rU  rZ  rI  r"  r  r  r   r  r  s   @rI   r(   r(   q  sW    +/ S + +
<,0


%	-( (rH   r(   c                   B    e Zd Zej                  gZ ed      ZddddZy)r)   zComma-separated integerszRCommaSeparatedIntegerField is removed except for support in historical migrations.zJUse CharField(validators=[validate_comma_separated_integer_list]) instead.zfields.E901r   r   r   N)	rD   rE   rF   r   %validate_comma_separated_integer_listr+  rp   r  r   rG   rH   rI   r)   r)     s3    $JJK./K% 
$ rH   r)   c                     t        j                  |       r.t        j                  | t        j                   j                        } | S rN   )r   is_aware
make_naivedatetimeutc)r   s    rI   	_to_naiver    s3    ##E8+<+<+@+@ALrH   c                  <    t        t        j                               S rN   )r  r   nowrG   rH   rI   _get_naive_nowr    s    X\\^$$rH   c                   2     e Zd Z fdZd Zd ZddZ xZS )DateTimeCheckMixinc                 f    g t        |   di || j                         | j                         S r   )r   r   !_check_mutually_exclusive_options_check_fix_default_valuerr   r   rW   s     rI   r   zDateTimeCheckMixin.check  sE    
W]$V$
335
 **,
 	
rH   c                     | j                   | j                  | j                         g}|D cg c]  }|dv c}j                  d      }|dkD  rt	        j
                  d| d      gS g S c c}w )N)NFTru   zqThe options auto_now, auto_now_add, and default are mutually exclusive. Only one of these options may be present.zfields.E160r   )auto_now_addauto_nowr  countr
   r   )rr   mutually_exclusive_optionsoptionenabled_optionss       rI   r  z4DateTimeCheckMixin._check_mutually_exclusive_options  s    
 MM&
" 7Q
,2F-'

%+ 	 Q& $  I
s   A)c                     g S rN   rG   rq   s    rI   r  z+DateTimeCheckMixin._check_fix_default_value  s    	rH   c                 t   |
t               }t        j                  d      }||z
  }||z   }t        |t        j                        rt	        |      }n<t        |t        j
                        sJ |j                         }|j                         }||cxk  r|k  rn g S t        j                  dd| d      gS g S )a1  
        Check if the given value appears to have been provided as a "fixed"
        time value, and include a warning in the returned list if it does. The
        value argument must be a date object or aware/naive datetime object. If
        now is provided, it must be a naive datetime object.
        
   )secondszFixed default value provided.zIt seems you set a fixed date / time / datetime value as default for this field. This may not be what you want. If you want to have the current date as default, use `django.utils.timezone.now`zfields.W161r   )r  r  	timedeltar   r  dater
   r   )rr   r   r  offsetloweruppers         rI   _check_if_value_fixedz(DateTimeCheckMixin._check_if_value_fixed#  s     ; "C##B/ffeX../e$EeX]]333JJLEJJLEE"U" 	 3F
 $
  	rH   rN   )rD   rE   rF   r   r  r  r,  r  r  s   @rI   r  r    s    
2
 rH   r  c                        e Zd ZdZ ed       ed      dZ ed      Z	 d fd	Zd Z fdZ	d	 Z
d
 Z fdZ fdZ fdZddZd Z fdZ xZS )r*   FuR   “%(value)s” value has an invalid date format. It must be in YYYY-MM-DD format.T   “%(value)s” value has the correct format (YYYY-MM-DD) but it is an invalid date.)r  invalid_datezDate (without time)c                 b    ||c| _         | _        |s|r
d|d<   d|d<   t        |   ||fi | y NFrf   Tra   r  r  r   r   rr   rm   rv   r  r  r   rW   s         rI   r   zDateField.__init__T  B     ,4\(t(|!&F:"F7Ot6v6rH   c                    | j                         sg S | j                  }t        |t        j                        rt	        |      j                         }nt        |t        j
                        rng S | j                  |      S 
        Warn that using an actual date or datetime value is probably wrong;
        it's only evaluated on server startup.
        )r  r}   r   r  r  r(  r,  r!  s     rI   r  z"DateField._check_fix_default_value]  sj    
 !IeX../e$))+Ex}}- I))%00rH   c                     t         |          \  }}}}| j                  rd|d<   | j                  rd|d<   | j                  s| j                  r|d= |d= ||||fS )NTr  r  rf   ra   r   r   r  r  r  s        rI   r   zDateField.deconstructp  sj    #(7#6#8 dD&==!%F:%)F>"==D--z"wT4''rH   c                      y)Nr*   rG   rq   s    rI   rI  zDateField.get_internal_type{  r  rH   c                    ||S t        |t        j                        r_t        j                  r?t	        j
                  |      r*t	        j                         }t	        j                  ||      }|j                         S t        |t        j                        r|S 	 t        |      }||S 	 t        j                  | j                  d   dd|i      # t        $ r( t        j                  | j                  d   dd|i      w xY w)Nr/  r   r6  r  )r   r  r	   USE_TZr   r  get_default_timezoner  r(  r   r   r   r/  rg   rr   r   default_timezoneparseds       rI   r"  zDateField.to_python~  s    =LeX../8#4#4U#; $,#@#@#B  ++E3CD::<eX]]+L		&F! " ((	*U#
 	
  	,,##N3#' 	s   C 1Dc                     | j                   s| j                  r9|r7t        j                  j	                         }t        || j                  |       |S t        | !  ||      S rN   )	r  r  r  r(  todayrp  ri  r   r~  rr   r8  r}  r   rW   s       rI   r~  zDateField.pre_save  sM    ==T..3MM'')ENDLL%8L7#NC88rH   c           	         t        |   ||fi | | j                  sat        |d| j                  z  t        |j                  | d             t        |d| j                  z  t        |j                  | d             y y )Nzget_next_by_%sT)r  is_nextzget_previous_by_%sF)r   rt  r`   rp  rv   r   _get_next_or_previous_by_FIELDrr   r   rv   r   rW   s       rI   rt  zDateField.contribute_to_class  s}    #C88yy 499,66dD $tyy066dE rH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zDateField.get_prep_value  r  rH   c                 ^    |s| j                  |      }|j                  j                  |      S rN   )r  rC  adapt_datefield_valuer  s       rI   r  zDateField.get_db_prep_value  *    ''.E~~33E::rH   c                 L    | j                  |      }|dS |j                         S NrL   r  	isoformatrr   r   vals      rI   r  zDateField.value_to_string  '    $$S)[r5cmmo5rH   c                 F    t        |   di dt        j                  i|S Nr  rG   )r   r  r   r*   r  s     rI   r  zDateField.formfield  0    w  
eoo
 	
rH   NNFFr  )rD   rE   rF   r  rp   r$  r  r   r  r   rI  r"  r~  rt  r  r  r  r  r  r  s   @rI   r*   r*   F  s}    !$
 )
	 )*K JO71&	(
<9$%;6
 
rH   r*   c                        e Zd ZdZ ed       ed       ed      dZ ed      Zd Zd Zd	 Z	 fd
Z
 fdZddZd Z fdZ xZS )r+   Fue   “%(value)s” value has an invalid format. It must be in YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ] format.r.  uq   “%(value)s” value has the correct format (YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ]) but it is an invalid date/time.)r  r/  invalid_datetimezDate (with time)c                     | j                         sg S | j                  }t        |t        j                  t        j                  f      r| j                  |      S g S r6  )r  r}   r   r  r(  r,  r!  s     rI   r  z&DateTimeField._check_fix_default_value  sM    
 !Ieh//?@--e44	rH   c                      y)Nr+   rG   rq   s    rI   rI  zDateTimeField.get_internal_type      rH   c           	         ||S t        |t        j                        r|S t        |t        j                        rt        j                  |j                  |j                  |j
                        }t        j                  rlt        j                  d| j                  j                  d| j                  d|dt               t        j                         }t        j                   ||      }|S 	 t#        |      }||S 	 	 t-        |      }|5t        j                  |j                  |j                  |j
                        S 	 t'        j(                  | j*                  d	   d	d|i      # t$        $ r( t'        j(                  | j*                  d   dd|i      w xY w# t$        $ r( t'        j(                  | j*                  d   dd|i      w xY w)
NDateTimeField r    received a naive datetime ($) while time zone support is active.rX  r   r6  r/  r  )r   r  r(  yearmonthdayr	   r<  warningswarnr   rD   rv   RuntimeWarningr   r=  
make_awarer   r   r   r/  rg   r   r>  s       rI   r"  zDateTimeField.to_python  s   =LeX../LeX]]+%%ejj%++uyyIE
  zz**DIIu> #	 $,#@#@#B  ++E3CDL		#E*F! "		&F!((fllFJJOO " ((	*U#
 	
%  	,,##$67'' 	  	,,##N3#' 	s   /E*  AF *1F1Gc                     | j                   s| j                  r/|r-t        j                         }t	        || j
                  |       |S t        |   ||      S rN   )r  r  r   r  rp  ri  r   r~  rC  s       rI   r~  zDateTimeField.pre_save%  sF    ==T..3LLNENDLL%8L7#NC88rH   c                    t         |   |      }| j                  |      }|t        j                  rt        j                  |      rq	 | j                  j                  d| j                  }t        j                  d|d|dt               t        j                         }t        j                  ||      }|S # t        $ r d}Y Zw xY w)Nr   z	(unbound)r]  r^  r_  )r   r  r"  r	   r<  r   is_naiver   rD   rv   AttributeErrorrc  rd  re  r=  rf  )rr   r   rv   r?  rW   s       rI   r  zDateTimeField.get_prep_value0  s    &u-u%X5F5Fu5M#"&**"5"5tyyA MM9=uF
  (<<>''/?@E " #"#s   
%B< <C
	C
c                 ^    |s| j                  |      }|j                  j                  |      S rN   )r  rC  adapt_datetimefield_valuer  s       rI   r  zDateTimeField.get_db_prep_valueD  s*    ''.E~~77>>rH   c                 L    | j                  |      }|dS |j                         S rM  rN  rP  s      rI   r  zDateTimeField.value_to_stringJ  rR  rH   c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r+   r  s     rI   r  zDateTimeField.formfieldN  2    w  
e11
 	
rH   r  )rD   rE   rF   r  rp   r$  r  r  rI  r"  r~  r  r  r  r  r  r  s   @rI   r+   r+     sw    !9
 6
 .
 &'K0
d9(?6
 
rH   r+   c                        e Zd ZdZd ed      iZ ed      Z	 	 	 	 d fd	Z fdZd Z	d Z
d	 Ze fd
       Zed        Z fdZd Zd Zd Z fdZ fdZ xZS )r,   Fr  u/   “%(value)s” value must be a decimal number.zDecimal numberc                 F    ||c| _         | _        t        |   ||fi | y rN   )
max_digitsdecimal_placesr   r   )rr   rm   rv   rr  rs  r   rW   s         rI   r   zDecimalField.__init__^  s*     0:>,,t6v6rH   c                     t        |   di |}g | j                         | j                         }|s#|j	                   | j
                  di |       |S |j	                  |       |S r   )r   r   _check_decimal_places_check_max_digitsr   $_check_decimal_places_and_max_digits)rr   r   r   digits_errorsrW   s       rI   r   zDecimalField.checki  sy    ((
'')
##%
 MMC$CCMfMN  MM-(rH   c                     	 t        | j                        }|dk  r
t               	 g S # t        $ r t	        j
                  d| d      gcY S t        $ r t	        j
                  d| d      gcY S w xY w)Nr   z7DecimalFields must define a 'decimal_places' attribute.zfields.E130r   z0'decimal_places' must be a non-negative integer.zfields.E131)r  rs  r   r   r
   r   )rr   rs  s     rI   ru  z"DecimalField._check_decimal_placesv  s    	 !4!45N! l" "& I#  	M$   	F$ 	   $) "A1!A10A1c                     	 t        | j                        }|dk  r
t               	 g S # t        $ r t	        j
                  d| d      gcY S t        $ r t	        j
                  d| d      gcY S w xY w)Nr   z3DecimalFields must define a 'max_digits' attribute.zfields.E132r   z('max_digits' must be a positive integer.zfields.E133)r  rr  r   r   r
   r   )rr   rr  s     rI   rv  zDecimalField._check_max_digits  s    	T__-JQ l" & I#  	I$   	>$ 	rz  c                     t        | j                        t        | j                        kD  rt        j                  d| d      gS g S )Nz:'max_digits' must be greater or equal to 'decimal_places'.zfields.E134r   )r  rs  rr  r
   r   r   s     rI   rw  z1DecimalField._check_decimal_places_and_max_digits  sD    t""#c$//&::P$  	rH   c                 p    t         |   t        j                  | j                  | j                        gz   S rN   )r   r   DecimalValidatorrr  rs  )rr   rW   s    rI   r   zDecimalField.validators  s4    w!''9L9LM%
 
 	
rH   c                 B    t        j                  | j                        S )N)prec)decimalContextrr  rq   s    rI   contextzDecimalField.context  s    DOO44rH   c                     t         |          \  }}}}| j                  | j                  |d<   | j                  | j                  |d<   ||||fS )Nrr  rs  )r   r   rr  rs  r  s        rI   r   zDecimalField.deconstruct  s]    #(7#6#8 dD&??&#'??F< *'+':':F#$T4''rH   c                      y)Nr,   rG   rq   s    rI   rI  zDecimalField.get_internal_type  r  rH   c                    ||S 	 t        |t              r| j                  j                  |      }nt	        j
                  |      }|j                         s't        j                  | j                  d   dd|i      |S # t        j                  t        t        f$ r( t        j                  | j                  d   dd|i      w xY wNr  r   r6  )r   floatr  create_decimal_from_floatr  DecimalInvalidOperationr   r   r   r/  rg   	is_finite)rr   r   decimal_values      rI   r"  zDecimalField.to_python  s    =L
	%' $ F Fu M ' 6 &&(,,##I.' 
  (()Z@ 	,,##I.' 	s   AB   ACc                     t        |d      r|S |j                  j                  | j                  |      | j                  | j
                        S )Nr  )r   rC  adapt_decimalfield_valuer"  rr  rs  r  s      rI   r  zDecimalField.get_db_prep_save  sB    5(#L~~66NN5!4??D4G4G
 	
rH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zDecimalField.get_prep_value  r  rH   c                 r    t        |   di | j                  | j                  t        j
                  d|S )N)rr  rs  r  rG   )r   r  rr  rs  r   r,   r  s     rI   r  zDecimalField.formfield  sB    w  
"oo"&"5"5#00 	
 	
rH   )NNNN)rD   rE   rF   r  rp   r$  r  r   r   ru  rv  rw  r   r   r  r   rI  r"  r  r  r  r  r  s   @rI   r,   r,   W  s    !1FG $%K 	700	 
 

 5 5(,
%
 
rH   r,   c                   n     e Zd ZdZdZd ed      iZ ed      Zd Zd Z	ddZ
 fd	Zd
 Z fdZ xZS )r-   z
    Store timedelta objects.

    Use interval on PostgreSQL, INTERVAL DAY TO SECOND on Oracle, and bigint
    of microseconds on other databases.
    Fr  u]   “%(value)s” value has an invalid format. It must be in [DD] [[HH:]MM:]ss[.uuuuuu] format.Durationc                      y)Nr-   rG   rq   s    rI   rI  zDurationField.get_internal_type  r[  rH   c                     ||S t        |t        j                        r|S 	 t        |      }||S t        j                  | j                  d   dd|i      # t        $ r Y 2w xY wr  )r   r  r'  r   r   r   r/  rg   rr   r   r@  s      rI   r"  zDurationField.to_python  s}    =LeX//0L	#E*F !((	*U#
 	
  		s   A 	A$#A$c                 N    |j                   j                  r|S |y t        |      S rN   )r   has_native_duration_fieldr   r  s       rI   r  zDurationField.get_db_prep_value  s)    88L=$U++rH   c                     g }|j                   j                  s%|j                  |j                  j                         |t
        |   |      z   S rN   )r   r  r   rC  convert_durationfield_valuer   r`  )rr   r   
convertersrW   s      rI   r`  zDurationField.get_db_converters   sD    
""<<jnnHHIEG5jAAArH   c                 B    | j                  |      }|dS t        |      S rM  )r  r   rP  s      rI   r  zDurationField.value_to_string&  s&    $$S)[r:oc&::rH   c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r-   r  s     rI   r  zDurationField.formfield*  ro  rH   r  )rD   rE   rF   r  r  rp   r$  r  rI  r"  r  r`  r  r  r  r  s   @rI   r-   r-     sV     "11
 J-K
&,B;
 
rH   r-   c                   \     e Zd Zej                  gZ ed      Z fdZ fdZ	 fdZ
 xZS )r.   zEmail addressc                 H    |j                  dd       t        |   |i | y )Nry      
setdefaultr   r   rr   r   r   rW   s      rI   r   zEmailField.__init__7  s%    ,,$)&)rH   c                 6    t         |          \  }}}}||||fS rN   r   r   r  s        rI   r   zEmailField.deconstruct<  s*    #(7#6#8 dD& T4''rH   c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r.   r  s     rI   r  zEmailField.formfieldB  s4     w  
e..
 	
rH   )rD   rE   rF   r   validate_emailr+  rp   r  r   r   r  r  r  s   @rI   r.   r.   3  s0    $334O$K*
(
 
rH   r.   c                   r     e Zd Z ed      Z	 	 	 	 	 	 	 d	 fd	Z fdZd Z fdZ fdZ	 fdZ
d Z xZS )
r1   z	File pathc                     |||c| _         | _        | _        ||c| _        | _        |j                  dd       t        	|   ||fi | y )Nry   d   )r   match	recursiveallow_filesallow_foldersr  r   r   )
rr   rm   rv   r   r  r  r  r  r   rW   s
            rI   r   zFilePathField.__init__P  sQ     15eY-	4:t~/:M,$,,,t6v6rH   c                 J    g t        |   di | | j                  di |S r   )r   r    _check_allowing_files_or_foldersr  s     rI   r   zFilePathField.check`  s9    
W]$V$
2T22<V<
 	
rH   c                 h    | j                   s%| j                  st        j                  d| d      gS g S )NzMFilePathFields must have either 'allow_files' or 'allow_folders' set to True.zfields.E140r   )r  r  r
   r   r   s     rI   r  z.FilePathField._check_allowing_files_or_foldersf  s;    (:(:#$	  	rH   c                    t         |          \  }}}}| j                  dk7  r| j                  |d<   | j                  | j                  |d<   | j                  dur| j                  |d<   | j
                  dur| j
                  |d<   | j                  dur| j                  |d<   |j                  d	      d
k(  r|d	= ||||fS )NrL   r   r  Fr  Tr  r  ry   r  )r   r   r   r  r  r  r  r   r  s        rI   r   zFilePathField.deconstructr  s    #(7#6#8 dD&99?!YYF6N::!"jjF7O>>&"&..F;4'$($4$4F=!U*&*&8&8F?#::l#s*|$T4''rH   c                 >    t         |   |      }|y t        |      S rN   r   r  r   r  s     rI   r  zFilePathField.get_prep_value  $    &u-=5zrH   c                     t        |   di t        | j                        r| j                         n| j                  | j                  | j
                  t        j                  | j                  | j                  d|S )N)r   r  r  r  r  r  rG   )
r   r  r   r   r  r  r   r1   r  r  r  s     rI   r  zFilePathField.formfield  sl    w  

'/		':				!^^#11#//!%!3!3 

 
	
rH   c                      y)Nr1   rG   rq   s    rI   rI  zFilePathField.get_internal_type  r[  rH   )NNrL   NFTF)rD   rE   rF   rp   r  r   r   r  r   r  r  rI  r  r  s   @rI   r1   r1   M  sF    K.K 7 

( 
rH   r1   c                   \     e Zd ZdZd ed      iZ ed      Z fdZd Zd Z	 fdZ
 xZS )	r2   Fr  u&   “%(value)s” value must be a float.zFloating point numberc                     t         |   |      }|y 	 t        |      S # t        t        f$ r(}|j                  d| j                  d|d      |d }~ww xY wNzField 'z' expected a number but got r   )r   r  r  r   r   rW   rv   rr   r   r3  rW   s      rI   r  zFloatField.get_prep_value  s^    &u-=	<:& 	++>BiiO	   
  A#AAc                      y)Nr2   rG   rq   s    rI   rI  zFloatField.get_internal_type  s    rH   c                     ||S 	 t        |      S # t        t        f$ r( t        j                  | j
                  d   dd|i      w xY wr  )r  r   r   r   r/  rg   r!  s     rI   r"  zFloatField.to_python  s[    =L	<:& 	,,##I.' 		   
 7Ac                 F    t        |   di dt        j                  i|S rT  )r   r  r   r2   r  s     rI   r  zFloatField.formfield  s2    w  
e..
 	
rH   )rD   rE   rF   r  rp   r$  r  r  rI  r"  r  r  r  s   @rI   r2   r2     sB    !1=> +,K	

 
rH   r2   c                        e Zd ZdZd ed      iZ ed      Z fdZd Ze	 fd       Z
 fdZd fd		Zd
 Zd Z fdZ xZS )r5   Fr  u)   “%(value)s” value must be an integer.Integerc                 F    g t        |   di || j                         S r   )r   r   _check_max_length_warningr  s     rI   r   zIntegerField.check  s2    
W]$V$
++-
 	
rH   c                     | j                   1t        j                  d| j                  j                  z  d| d      gS g S )Nz*'max_length' is ignored when used with %s.zRemove 'max_length' from fieldzfields.W122r   )ry   r
   r   rW   rD   rq   s    rI   r  z&IntegerField._check_max_length_warning  sG    ??&@nn--.9$  	rH   c                 l   t         |   }| j                         }t        j                  j                  |      \  8t        fd|D              s$|j                  t        j                               8t        fd|D              s$|j                  t        j                               |S )Nc              3      K   | ]T  }t        |t        j                        xr4 t        |j                        r|j	                         n|j                  k\   V y wrN   )r   r   MinValueValidatorr   limit_value)r   r   	min_values     rI   r   z*IntegerField.validators.<locals>.<genexpr>  a      -
  9j&B&BC   	 5 56 ))+"..-
   AAc              3      K   | ]T  }t        |t        j                        xr4 t        |j                        r|j	                         n|j                  k   V y wrN   )r   r   MaxValueValidatorr   r  )r   r   	max_values     rI   r   z*IntegerField.validators.<locals>.<genexpr>  r  r  )
r   r   rI  r   rC  integer_field_ranger  r   r  r  )rr   validators_internal_typer  r  rW   s      @@rI   r   zIntegerField.validators  s     g(..0)~~AA-P	9  -
 )-
 *
 z;;IFG  -
 )-
 *
 z;;IFGrH   c                     t         |   |      }|y 	 t        |      S # t        t        f$ r(}|j                  d| j                  d|d      |d }~ww xY wr  )r   r  r  r   r   rW   rv   r  s      rI   r  zIntegerField.get_prep_value   s^    &u-=	u::& 	++>BiiO	r  c                 z    t         |   |||      }|j                  j                  || j	                               S rN   )r   r  rC  adapt_integerfield_valuerI  rr   r   r   r  rW   s       rI   r  zIntegerField.get_db_prep_value  s6    )%XF~~66ud>T>T>VWWrH   c                      y)Nr5   rG   rq   s    rI   rI  zIntegerField.get_internal_type  r  rH   c                     ||S 	 t        |      S # t        t        f$ r( t        j                  | j
                  d   dd|i      w xY wr  )r  r   r   r   r/  rg   r!  s     rI   r"  zIntegerField.to_python  s[    =L	u::& 	,,##I.' 	r  c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r5   r  s     rI   r  zIntegerField.formfield  s2    w  
e00
 	
rH   r  )rD   rE   rF   r  rp   r$  r  r   r  r   r   r  r  rI  r"  r  r  r  s   @rI   r5   r5     se    !1@A I,K
    D	X

 
rH   r5   c                   8     e Zd Z ed      ZdZd Z fdZ xZS )r%   zBig (8 byte) integerl    c                      y)Nr%   rG   rq   s    rI   rI  z!BigIntegerField.get_internal_type+  s     rH   c                 l    t        |   di t        j                   dz
  t        j                  d|S )Nru   )r  r  rG   )r   r  r%   
MAX_BIGINTr  s     rI   r  zBigIntegerField.formfield.  sC    w  
-8881<,77 
 	
rH   )	rD   rE   rF   rp   r  r  rI  r  r  r  s   @rI   r%   r%   '  s"    *+K$J!
 
rH   r%   c                   "    e Zd Z ed      Zd Zy)r=   zSmall integerc                      y)Nr=   rG   rq   s    rI   rI  z#SmallIntegerField.get_internal_type;  s    "rH   N)rD   rE   rF   rp   r  rI  rG   rH   rI   r=   r=   8  s    O$K#rH   r=   c                   X     e Zd ZdZ ed      ZddddZ fdZ fdZ fd	Z	d
 Z
 xZS )r4   FzIPv4 addresszLIPAddressField has been removed except for support in historical migrations.z"Use GenericIPAddressField instead.zfields.E900r  c                 .    d|d<   t        |   |i | y )N   ry   r   r   r  s      rI   r   zIPAddressField.__init__K  s    !|$)&)rH   c                 <    t         |          \  }}}}|d= ||||fS Nry   r  r  s        rI   r   zIPAddressField.deconstructO  0    #(7#6#8 dD&< T4''rH   c                 >    t         |   |      }|y t        |      S rN   r  r  s     rI   r  zIPAddressField.get_prep_valueT  r  rH   c                      y)Nr4   rG   rq   s    rI   rI  z IPAddressField.get_internal_typeZ      rH   )rD   rE   rF   r  rp   r  r   r   r   r  rI  r  r  s   @rI   r4   r4   ?  s<    !N#K% 5$ *(
 rH   r4   c                        e Zd ZdZ ed      Zi Z	 	 	 	 d fd	Z fdZd Z	 fdZ
d Zd Zdd	Z fd
Z fdZ xZS )r3   Fz
IP addressc                     || _         || _        t        j                  ||      \  | _        }|| j
                  d<   t        |d<   t        |    ||g|i | y )Nr  ry   )	unpack_ipv4protocolr   ip_address_validatorsr+  r$  r   r   r   )	rr   rm   rv   r  r  r   r   invalid_error_messagerW   s	           rI   r   zGenericIPAddressField.__init__c  sg     '  ,,X{C	
#!1F##I.6|t=d=f=rH   c                 J    g t        |   di | | j                  di |S r   )r   r   _check_blank_and_null_valuesr  s     rI   r   zGenericIPAddressField.checkv  s9    
W]$V$
.T..88
 	
rH   c                 l    t        | dd      s&t        | dd      rt        j                  d| d      gS g S )Nr`   Fra   zaGenericIPAddressFields cannot have blank=True if null=False, as blank values are stored as nulls.zfields.E150r   )r   r
   r   r   s     rI   r  z2GenericIPAddressField._check_blank_and_null_values|  sA    tVU+gu0M;$	  	rH   c                     t         |          \  }}}}| j                  dur| j                  |d<   | j                  dk7  r| j                  |d<   |j	                  d      | j
                  k(  r|d= ||||fS )NFr  bothr  ry   )r   r   r  r  r   ry   r  s        rI   r   z!GenericIPAddressField.deconstruct  s}    #(7#6#8 dD&5($($4$4F=!==F"!%F:::l#t6|$T4''rH   c                      y)Nr3   rG   rq   s    rI   rI  z'GenericIPAddressField.get_internal_type  s    &rH   c                     |y t        |t              st        |      }|j                         }d|v r$t        || j                  | j
                  d         S |S )N:r  )r   r   stripr   r  rg   r!  s     rI   r"  zGenericIPAddressField.to_python  s[    =%%JE%<%t'')<)<Y)G  rH   c                 ^    |s| j                  |      }|j                  j                  |      S rN   )r  rC  adapt_ipaddressfield_valuer  s       rI   r  z'GenericIPAddressField.get_db_prep_value  s*    ''.E~~88??rH   c                     t         |   |      }|y |rd|v r	 t        || j                        S t        |      S # t        j
                  $ r Y t        |      S w xY w)Nr  )r   r  r   r  r   r/  r   r  s     rI   r  z$GenericIPAddressField.get_prep_value  sk    &u-=SE\)%1A1ABB 5z -- 5zs   < AAc                 \    t        |   di | j                  t        j                  d|S )N)r  r  rG   )r   r  r  r   r3   r  s     rI   r  zGenericIPAddressField.formfield  s9    w  
 MM#99 
 	
rH   )NNr  Fr  )rD   rE   rF   r  rp   r  r$  r   r   r  r   rI  r"  r  r  r  r  r  s   @rI   r3   r3   ^  sY    !L/K >&

('
@
	
 
rH   r3   c                   f     e Zd Z ed       ed      dZ ed      ZddddZ fdZ fd	Z xZ	S )
r7   u9   “%(value)s” value must be either None, True or False.r  z$Boolean (Either True, False or None)zHNullBooleanField is removed except for support in historical migrations.z$Use BooleanField(null=True) instead.zfields.E903r  c                 8    d|d<   d|d<   t        |   |i | y )NTr`   ra   r  r  s      rI   r   zNullBooleanField.__init__  s'    vw$)&)rH   c                 B    t         |          \  }}}}|d= |d= ||||fS )Nr`   ra   r  r  s        rI   r   zNullBooleanField.deconstruct  s6    #(7#6#8 dD&6N7OT4''rH   )
rD   rE   rF   rp   r$  r  r   r   r   r  r  s   @rI   r7   r7     sN    PQYZ :;K 7$ *
( (rH   r7   c                   $     e Zd Z fdZd Z xZS )PositiveIntegerRelDbTypeMixinc                     t        |   di | t        | d      s&t        d | j                  dd  D        d       | _        y y )Ninteger_field_classc              3   @   K   | ]  }t        |t              r|  y wrN   )
issubclassr5   )r   parents     rI   r   zBPositiveIntegerRelDbTypeMixin.__init_subclass__.<locals>.<genexpr>  s"      !&,7 s   ru   rG   )r   __init_subclass__r   nextr&  r  )r   r   rW   s     rI   r  z/PositiveIntegerRelDbTypeMixin.__init_subclass__  sL    !+F+s12&*"%++ab/
 'C# 3rH   c                     |j                   j                  r| j                  |      S | j                         j                  |      S )a  
        Return the data type that a related field pointing to this field should
        use. In most cases, a foreign key pointing to a positive integer
        primary key will have an integer column data type but some databases
        (e.g. MySQL) have an unsigned integer type. In that case
        (related_fields_match_type=True), the primary key should return its
        db_type.
        r   )r   related_fields_match_typerP  r  rE  s     rI   rR  z)PositiveIntegerRelDbTypeMixin.rel_db_type  s?     88<<
++++-555LLrH   )rD   rE   rF   r  rR  r  r  s   @rI   r  r    s    
MrH   r  c                   4     e Zd Z ed      Zd Z fdZ xZS )r8   zPositive big integerc                      y)Nr8   rG   rq   s    rI   rI  z)PositiveBigIntegerField.get_internal_type  s    (rH   c                 *    t        |   di ddi|S Nr  r   rG   r   r  r  s     rI   r  z!PositiveBigIntegerField.formfield  ,    w  
Q
 	
rH   rD   rE   rF   rp   r  rI  r  r  r  s   @rI   r8   r8     s    *+K)
 
rH   r8   c                   4     e Zd Z ed      Zd Z fdZ xZS )r9   zPositive integerc                      y)Nr9   rG   rq   s    rI   rI  z&PositiveIntegerField.get_internal_type	  s    %rH   c                 *    t        |   di ddi|S r  r  r  s     rI   r  zPositiveIntegerField.formfield	  r  rH   r  r  s   @rI   r9   r9   	  s    &'K&
 
rH   r9   c                   4     e Zd Z ed      Zd Z fdZ xZS )r:   zPositive small integerc                      y)Nr:   rG   rq   s    rI   rI  z+PositiveSmallIntegerField.get_internal_type	  s    *rH   c                 *    t        |   di ddi|S r  r  r  s     rI   r  z#PositiveSmallIntegerField.formfield	  r  rH   r  r  s   @rI   r:   r:   	  s    ,-K+
 
rH   r:   c                   l     e Zd Zej                  gZ ed      Zdddd fd
Z fdZ	d Z
 fd	Z xZS )
r;   zSlug (up to %(max_length)s)2   TF)ry   r   allow_unicodec                |    || _         | j                   rt        j                  g| _        t	        |   |||d| y )N)ry   r   )r  r   validate_unicode_slugr+  r   r   )rr   ry   r   r  r   r   rW   s         rI   r   zSlugField.__init__#	  s=     +'1'G'G&HD#$:SFSrH   c                     t         |          \  }}}}|j                  d      dk(  r|d= | j                  du rd|d<   n|d= | j                  dur| j                  |d<   ||||fS )Nry   r  Fr   r  )r   r   r   r   r  r  s        rI   r   zSlugField.deconstruct+	  s}    #(7#6#8 dD&::l#r)|$==E!!&F:z"U*&*&8&8F?#T4''rH   c                      y)Nr;   rG   rq   s    rI   rI  zSlugField.get_internal_type7	  r  rH   c                 \    t        |   di t        j                  | j                  d|S )N)r  r  rG   )r   r  r   r;   r  r  s     rI   r  zSlugField.formfield:	  s9    w  
#oo!%!3!3 
 	
rH   )rD   rE   rF   r   validate_slugr+  rp   r  r   r   rI  r  r  r  s   @rI   r;   r;   	  s@    $22312K !#TT
(
 
rH   r;   c                   x     e Zd Z ed      Zdd fd
Z fdZd Z fdZd Z	d	 Z
 fd
Z fdZ fdZ xZS )r>   TextNr  c                2    t        |   |i | || _        y rN   )r   r   r  r  s       rI   r   zTextField.__init__G	  s    $)&)(rH   c                 r    |j                  d      xs g }g t        |   di || j                  |      S r  )r   r   r   r  r  s      rI   r   zTextField.checkK	  sG    JJ{+1r	
W]$V$
%%i0
 	
rH   c                 b   g }|D ]  }t        j                  || j                        s$t        |   }| j                  :d| j                  j
                  j                  v r]|j                  j                  rt|j                  t        j                  d|j                  z  | d              |S )Nsupports_collation_on_textfieldz7%s does not support a database collation on TextFields.r  r   )r   r   r   r   r  rP   r   r   r'  r   r
   r   r   r  s        rI   r  zTextField._check_db_collationR	  r  rH   c                 D    t         |   |      }| j                  |d<   |S r  r  r  s      rI   rZ  zTextField.db_parametersh	  r  rH   c                      y)Nr>   rG   rq   s    rI   rI  zTextField.get_internal_typem	  r  rH   c                 @    t        |t              s||S t        |      S rN   r   r!  s     rI   r"  zTextField.to_pythonp	  r  rH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zTextField.get_prep_valueu	  r  rH   c                 ~    t        |   di d| j                  i| j                  i ndt        j
                  i|S )Nry   r  rG   )r   r  ry   rd   r   Textarear  s     rI   r  zTextField.formfieldy	  sP     w  
doo12%..7Q 
 	
rH   c                 l    t         |          \  }}}}| j                  r| j                  |d<   ||||fS r  r  r  s        rI   r   zTextField.deconstruct	  r	  rH   )rD   rE   rF   rp   r  r   r   r  rZ  rI  r"  r  r  r   r  r  s   @rI   r>   r>   D	  sA    F)K+/ )
,

%

( (rH   r>   c                        e Zd ZdZ ed       ed      dZ ed      Z	 d fd	Zd Z fdZ	d	 Z
d
 Z fdZ fdZddZd Z fdZ xZS )r?   FuV   “%(value)s” value has an invalid format. It must be in HH:MM[:ss[.uuuuuu]] format.u]   “%(value)s” value has the correct format (HH:MM[:ss[.uuuuuu]]) but it is an invalid time.)r  invalid_timeTimec                 b    ||c| _         | _        |s|r
d|d<   d|d<   t        |   ||fi | y r1  r2  r3  s         rI   r   zTimeField.__init__	  r4  rH   c                 H   | j                         sg S | j                  }t        |t        j                        rd}nUt        |t        j                        r9t               }t        j                  j                  |j                         |      }ng S | j                  ||      S )r7  N)r  )	r  r}   r   r  timer  combiner(  r,  )rr   r   r  s      rI   r  z"TimeField._check_fix_default_value	  s    
 !IeX../Cx}}- "C %%--chhj%@E I))%S)99rH   c                     t         |          \  }}}}| j                  dur| j                  |d<   | j                  dur| j                  |d<   | j                  s| j                  r|d= |d= ||||fS )NFr  r  ra   rf   r9  r  s        rI   r   zTimeField.deconstruct	  s~    #(7#6#8 dD&==%!%F:E)%)%6%6F>"==D--wz"T4''rH   c                      y)Nr?   rG   rq   s    rI   rI  zTimeField.get_internal_type	  r  rH   c                 l   |y t        |t        j                        r|S t        |t        j                        r|j                         S 	 t        |      }||S 	 t        j                  | j                  d   dd|i      # t        $ r( t        j                  | j                  d   dd|i      w xY w)Nr0  r   r6  r  )r   r  r4  r   r   r   r/  rg   r  s      rI   r"  zTimeField.to_python	  s    =eX]]+LeX../ ::<		&F! " ((	*U#
 	
  	,,##N3#' 	s   B 1B3c                     | j                   s| j                  rG|rEt        j                  j                         j	                         }t        || j                  |       |S t        | !  ||      S rN   )	r  r  r  r  r4  rp  ri  r   r~  rC  s       rI   r~  zTimeField.pre_save	  sX    ==T..3%%))+002ENDLL%8L7#NC88rH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zTimeField.get_prep_value	  r  rH   c                 ^    |s| j                  |      }|j                  j                  |      S rN   )r  rC  adapt_timefield_valuer  s       rI   r  zTimeField.get_db_prep_value	  rK  rH   c                 L    | j                  |      }|dS |j                         S rM  rN  rP  s      rI   r  zTimeField.value_to_string	  rR  rH   c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r?   r  s     rI   r  zTimeField.formfield	  rU  rH   rV  r  )rD   rE   rF   r  rp   r$  r  r   r  r   rI  r"  r~  r  r  r  r  r  r  s   @rI   r?   r?   	  sv    !*
 ?
	 F)K JO7:,	(
89%;6
 
rH   r?   c                   h     e Zd Z ej                         gZ ed      Zd fd	Z fdZ	 fdZ
 xZS )r@   URLc                 L    |j                  dd       t        |   ||fi | y Nry      r  )rr   rm   rv   r   rW   s       rI   r   zURLField.__init__
  s'    ,,t6v6rH   c                 d    t         |          \  }}}}|j                  d      dk(  r|d= ||||fS rB  )r   r   r   r  s        rI   r   zURLField.deconstruct

  sA    #(7#6#8 dD&::l#s*|$T4''rH   c                 F    t        |   di dt        j                  i|S rT  )r   r  r   r@   r  s     rI   r  zURLField.formfield
  s2     w  
enn
 	
rH   r  )rD   rE   rF   r   URLValidatorr+  rp   r  r   r   r  r  r  s   @rI   r@   r@   
  s4    1*1134E(K7(
 
rH   r@   c                   ~     e Zd Z ed      ZddgZ fdZ fdZd Z fdZ	d Z
d	 Z fd
Zd fd	Zd Zd Z xZS )r&   zRaw binary dataNrH   c                     |j                  dd       t        |   |i | | j                  9| j                  j                  t	        j                  | j                               y y )Nrf   F)r  r   r   ry   r   r   r  r  s      rI   r   zBinaryField.__init__
  sU    *e,$)&)??&OO"":#@#@#QR 'rH   c                 F    g t        |   di || j                         S r   )r   r   _check_str_default_valuer  s     rI   r   zBinaryField.check%
  s(    K((K4+H+H+JKKrH   c                     | j                         r3t        | j                  t              rt	        j
                  d| d      gS g S )NzDBinaryField's default cannot be a string. Use bytes content instead.zfields.E170r   )r  r   r}   r   r
   r   rq   s    rI   rJ  z$BinaryField._check_str_default_value(
  sC    *T\\3"?'$	  	rH   c                 `    t         |          \  }}}}| j                  rd|d<   n|d= ||||fS )NTrf   )r   r   rf   r  s        rI   r   zBinaryField.deconstruct4
  sA    #(7#6#8 dD&==!%F:z"T4''rH   c                      y)Nr&   rG   rq   s    rI   rI  zBinaryField.get_internal_type<
  s    rH   c                 8    |j                   j                  |      S rN   )rC  binary_placeholder_sql)rr   r   r   r   s       rI   get_placeholderzBinaryField.get_placeholder?
  s    ~~44U;;rH   c                     | j                         r!t        | j                        s| j                  S t        |          }|dk(  ry|S )NrL   rH   )r  r   r}   r   r  )rr   r}   rW   s     rI   r  zBinaryField.get_defaultB
  s@    ht||&<<<'%'b=rH   c                 d    t         |   |||      }||j                  j                  |      S |S rN   )r   r  DatabaseBinaryr  s       rI   r  zBinaryField.get_db_prep_valueJ
  s8    )%XF&&--e44rH   c                 T    t        | j                  |            j                  d      S )z#Binary data is serialized as base64ascii)r   r  decoder  s     rI   r  zBinaryField.value_to_stringP
  s#    //45<<WEErH   c                 l    t        |t              r#t        t        |j	                  d                  S |S )NrV  )r   r   
memoryviewr   encoder!  s     rI   r"  zBinaryField.to_pythonT
  s*    eS!iW(=>??rH   r  )rD   rE   rF   rp   r  r.  r   r   rJ  r   rI  rP  r  r  r  r"  r  r  s   @rI   r&   r&   
  sL    %&K#;LSL
(<FrH   r&   c                   z     e Zd Zd ed      iZ ed      ZdZd fd	Z fdZd Z	 fdZ
dd	Zd
 Z fdZ xZS )rA   r  u$   “%(value)s” is not a valid UUID.zUniversally unique identifierFc                 0    d|d<   t        |   |fi | y )N    ry   r  )rr   rm   r   rW   s      rI   r   zUUIDField.__init__b
  s    !|00rH   c                 <    t         |          \  }}}}|d= ||||fS r  r  r  s        rI   r   zUUIDField.deconstructf
  r  rH   c                      y)NrA   rG   rq   s    rI   rI  zUUIDField.get_internal_typek
  r  rH   c                 D    t         |   |      }| j                  |      S rN   r  r  s     rI   r  zUUIDField.get_prep_valuen
  r  rH   c                     |y t        |t        j                        s| j                  |      }|j                  j
                  r|S |j                  S rN   )r   uuidUUIDr"  r   has_native_uuid_fieldhexr  s       rI   r  zUUIDField.get_db_prep_valuer
  sD    =%+NN5)E44LyyrH   c                 
   |Ft        |t        j                        s,t        |t              rdnd}	 t        j                  di ||iS |S # t        t
        f$ r( t        j                  | j                  d   dd|i      w xY w)Nr  re  r  r   r6  rG   )	r   rb  rc  r  rj  r   r   r/  rg   )rr   r   
input_forms      rI   r"  zUUIDField.to_python|
  s    Ztyy%A",UC"8eJyy7J#677  #J/  00''	2"#U+ s   A 7Bc                 F    t        |   di dt        j                  i|S rT  )r   r  r   rA   r  s     rI   r  zUUIDField.formfield
  rU  rH   rN   r  )rD   rE   rF   rp   r$  r  r  r   r   rI  r  r  r"  r  r  r  s   @rI   rA   rA   [
  sQ    1;< 34K!1(
%
 
rH   rA   c                   Z     e Zd ZdZ fdZ fdZd Z fdZd Zd
dZ	 fdZ
d	 Z xZS )AutoFieldMixinTc                 .    d|d<   t        |   |i | y )NTra   r  r  s      rI   r   zAutoFieldMixin.__init__
  s    w$)&)rH   c                 F    g t        |   di || j                         S r   )r   r   _check_primary_keyr  s     rI   r   zAutoFieldMixin.check
  s2    
W]$V$
$$&
 	
rH   c                 P    | j                   st        j                  d| d      gS g S )Nz%AutoFields must set primary_key=True.zfields.E100r   )rx   r
   r   rq   s    rI   rm  z!AutoFieldMixin._check_primary_key
  s1    ;$  IrH   c                 F    t         |          \  }}}}|d= d|d<   ||||fS )Nra   Trx   r  r  s        rI   r   zAutoFieldMixin.deconstruct
  s9    #(7#6#8 dD&7O $}T4''rH   c                      y rN   rG   r?  s      rI   r=  zAutoFieldMixin.validate
  s    rH   c                 b    |s,| j                  |      }|j                  j                  |      }|S rN   )r  rC  validate_autopk_valuer  s       rI   r  z AutoFieldMixin.get_db_prep_value
  s.    ''.ENN88?ErH   c                     |j                   j                  r"t        d|j                   j                  z        t	        |   ||fi | | |j                   _        y )Nz7Model %s can't have more than one auto-generated field.)rP   
auto_fieldr   r   r   rt  rG  s       rI   rt  z"AutoFieldMixin.contribute_to_class
  sR    99I))//"  	#C88#		rH   c                      y rN   rG   r   s     rI   r  zAutoFieldMixin.formfield
  s    rH   r  )rD   rE   rF   re  r   r   rm  r   r=  r  rt  r  r  r  s   @rI   rj  rj  
  s0    L*

($rH   rj  c                   <     e Zd ZdZed        Z fdZ fdZ xZS )AutoFieldMetaa  
    Metaclass to maintain backward inheritance compatibility for AutoField.

    It is intended that AutoFieldMixin become public API when it is possible to
    create a non-integer automatically-generated field using column defaults
    stored in the database.

    In many areas Django also relies on using isinstance() to check for an
    automatically-generated field as a subclass of AutoField. A new flag needs
    to be implemented on Field to be used instead.

    When these issues have been addressed, this metaclass could be used to
    deprecate inheritance from AutoField and use of isinstance() with AutoField
    for detecting automatically-generated fields.
    c                     t         t        fS rN   )r$   r<   rq   s    rI   _subclasseszAutoFieldMeta._subclasses
  s    n--rH   c                 R    t        || j                        xs t        |   |      S rN   )r   ry  r   __instancecheck__)rr   r  rW   s     rI   r{  zAutoFieldMeta.__instancecheck__
  ,    (D$4$45 
9R:
 	
rH   c                 R    t        || j                        xs t        |   |      S rN   )r  ry  r   __subclasscheck__)rr   subclassrW   s     rI   r~  zAutoFieldMeta.__subclasscheck__
  r|  rH   )	rD   rE   rF   r  r  ry  r{  r~  r  r  s   @rI   rw  rw  
  s+      . .


 
rH   rw  c                       e Zd Zd Zd Zy)r"   c                      y)Nr"   rG   rq   s    rI   rI  zAutoField.get_internal_type
  r  rH   c                 6    t               j                  |      S Nr
  )r5   rP  rE  s     rI   rR  zAutoField.rel_db_type
  s    ~%%%<<rH   NrD   rE   rF   rI  rR  rG   rH   rI   r"   r"   
  s    =rH   r"   )	metaclassc                       e Zd Zd Zd Zy)r$   c                      y)Nr$   rG   rq   s    rI   rI  zBigAutoField.get_internal_type
  r  rH   c                 6    t               j                  |      S r  )r%   rP  rE  s     rI   rR  zBigAutoField.rel_db_type
  s     ((J(??rH   Nr  rG   rH   rI   r$   r$   
  s    @rH   r$   c                       e Zd Zd Zd Zy)r<   c                      y)Nr<   rG   rq   s    rI   rI  z SmallAutoField.get_internal_type
  r  rH   c                 6    t               j                  |      S r  )r=   rP  rE  s     rI   rR  zSmallAutoField.rel_db_type
  s     "**j*AArH   Nr  rG   rH   rI   r<   r<   
  s     BrH   r<   )ecollections.abcr   r  r  r  r  rb  rc  base64r   r   	functoolsr   r   djangor   django.appsr   django.confr	   django.corer
   r   r   	django.dbr   r   r   django.db.models.constantsr   django.db.models.query_utilsr   r   django.utilsr   django.utils.datastructuresr   django.utils.dateparser   r   r   r   django.utils.durationr   r   django.utils.functionalr   r   django.utils.ipv6r   r   django.utils.itercompatr   django.utils.textr    django.utils.translationr!   rp   __all__r/   r6   r#   rU   rZ   r\   r0   r'   r(   r)   r  r  r  r*   r+   r,   r-   r.   r1   r2   r5   r%   r=   r4   r3   r7   r  r8   r9   r:   r;   r>   r?   r@   r&   rA   rj  rW  rw  r"   r$   r<   rG   rH   rI   <module>r     s          ' 3     6 6 5 5 1 O ! 3  I < I / & 6!H	 		 	 '' M( O* O* O*d+;5 +;\o( o(d  %F FRD
"E D
NG
I G
TX
5 X
v>
E >
B
 
4IE IX'
 '
Ta
5 a
H
l 
"# # U  >Z
E Z
z(| (6M M8
;_ 

8, 

 =?P 
"
	 "
JE( E(Ps
"E s
l
y 
2=% =@4
 4
n2 2j
D 
@= =@>? @B^%6 BrH   