
    lKdu                    `   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l0m1Z1 d dl2m3Z3 d dl4m5Z5 d dl6m7Z8 g dZ9 G d d          Z: G d d          Z;dgZ<d Z=d Z>d Z?e G d de                       Z@ G d d e@          ZA G d! d"e@          ZB G d# d$eB          ZCd% ZDd& ZE G d' d(          ZF G d) d*eFe@          ZG G d+ d,eG          ZH G d- d.e@          ZI G d/ d0e@          ZJ G d1 d2eB          ZK G d3 d4e@          ZL G d5 d6e@          ZM G d7 d8e@          ZN G d9 d:eN          ZO G d; d<eN          ZP G d= d>e@          ZQ G d? d@e@          ZR G dA dBeA          ZS G dC dD          ZT G dE dFeTeO          ZU G dG dHeTeN          ZV G dI dJeTeP          ZW G dK dLeB          ZX G dM dNe@          ZY G dO dPeFe@          ZZ G dQ dReB          Z[ G dS dTe@          Z\ G dU dVe@          Z] G dW dX          Z^ G dY dZe_          Z` G d[ d\e^eNe`]          Za G d^ d_e^eO          Zb G d` dae^eP          ZcdS )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)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dS )r.   N__name__
__module____qualname__     FF:\djangOuth\env\Lib\site-packages\django/db/models/fields/__init__.pyr.   r.   E           DrG   r.   c                       e Zd ZdS )r5   NrB   rF   rG   rH   r5   r5   I   rI   rG   r5   ) z	---------c                 \    t          j        | |          j                            |          S N)r   	get_model_meta	get_field)	app_label
model_name
field_names      rH   _load_fieldrT   R   s%    >)Z006@@LLLrG   c                 0    t                      }| |_        |S rM   )r.   	__class__)of_clsnews     rH   _emptyrY   f   s    
''CCMJrG   c                      d S rM   rF   rF   rG   rH   return_Noner[   l   s    4rG   c                   D    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$ Z2d% Z3d& Z4d' Z5d( Z6d) Z7d* Z8e,d+             Z9e,d,             Zd- Z:d. Z;d/ Z<d0 Z=d1 Z>d2 Z?d3 Z@d4 ZAd5 ZBd6 ZCd7 ZDed8             ZEed9             ZFed:             ZGd; ZHdOd<ZId= ZJd> ZKd? ZLd@ ZMdA ZNdB ZOdOdCZPdD ZQdE ZRdF ZSe,dG             ZTdeUddfdHZVdI ZWdJ ZX eeX          ZYdK ZZdPdLZ[dM Z\ xZ]S )Qr/   zBase class for all field typesTr   z&Value %(value)r is not a valid choice.zThis field cannot be null.zThis field cannot be blank.z8%(model_name)s with this %(field_label)s already exists.zH%(field_label)s must be unique for %(date_field_label)s %(lookup_type)s.)invalid_choicenullblankuniqueunique_for_dateN)r`   choices	db_columneditableerror_messages	help_textlimit_choices_to	on_deleterelated_namerelated_query_namer   verbose_nameFc                 >    t          d          d| j        j        iz  S )NzField of type: %(field_type)s
field_type)_rV   rC   selfs    rH   _descriptionzField._description   s'    011$.15
 
 	
rG   rK   rF   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)          |          | _        || _         d S )N   )!namerl   _verbose_nameprimary_key
max_length_uniquer`   r_   remote_fieldis_relationdefaultre   	serializerb   unique_for_monthunique_for_year
isinstancecollectionsabcIteratorlistrc   rg   db_indexrd   
db_comment_db_tablespaceauto_createdr/   auto_creation_countercreation_counter_validators_error_messages)rq   rl   ru   rw   rx   ra   r`   r_   r   relr|   re   r}   rb   r~   r   rc   rg   rd   db_tablespacer   r   rf   r   s                           rH   __init__zField.__init__   sF   4 	()&(2F% %t
DI,D8 ". 0.g{788 	$7mmG" "$+(  	($)$?D!''1,'''$)$:D!""a'""
++-rG   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   rO   labelru   )rq   r   rV   s     rH   r   zField.__str__   sL    
 tW%% 	%77??$$$
++++TYY77rG   c                 z    | j         j        d| j         j        }t          | dd          }|	d|d|dS d|z  S )z1Display the module, class, and name of the field.r   ru   N<z: >z<%s>)rV   rD   rE   getattr)rq   pathru   s      rH   __repr__zField.__repr__   sV    .333T^5P5PQtVT**!%ttt,,}rG   c                 *   g |                                  |                                 |                                  | j        di ||                                  | j        di ||                                 |                                 S NrF   )_check_field_name_check_choices_check_db_index_check_db_comment$_check_null_allowed_for_primary_keys_check_backend_specific_checks_check_validators_check_deprecation_detailsrq   kwargss     rH   checkzField.check  s    	
##%%	
  ""	
 !!##	
 $T#--f--		

 6688	
 1T0::6::	
 ##%%	
 ,,..	
 		
rG   c                    | 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".
        ro   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)ru   endswithr
   Errorr   rp   s    rH   r   zField._check_field_name  s    
 9c"" 	B$    49$$8:E$    Y$R$    IrG   c                 Z    t          |t          t          f          pt          |           S rM   )r   strr   r   )clsvalues     rH   _choices_is_valuezField._choices_is_value/  s&    %#w00JE8J8J4JJrG   c                 @     j         sg S t           j                   rt           j         t                    rt	          j        d d          gS d} j         D ]}	 |\  }}n# t          t          f$ r Y  nw xY w	 t           fd|D                       s n j	        |rt          |gd |D                       }n# t          t          f$ rm ||}}                     |          r                     |          sY  n j	        2t          |t                    rt          |t          |                    }Y nw xY wt          |t                    r n0 j	        &| j	        k    rt	          j        d|z   d          gS g S t	          j        d	 d
          gS )Nz6'choices' must be an iterable (e.g., a list or tuple).zfields.E004r   r   c              3   r   K   | ]1\  }}                     |          o                     |          V  2d S rM   )r   ).0r   
human_namerq   s      rH   	<genexpr>z'Field._check_choices.<locals>.<genexpr>I  s\        )z **511Xd6L6LZ6X6X     rG   c              3   d   K   | ]+\  }}t          |t                    t          |          V  ,d S rM   )r   r   len)r   r   ro   s      rH   r   z'Field._check_choices.<locals>.<genexpr>R  sP        $,E1#-eS#9#9 #E

     rG   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)rc   r   r   r   r
   r   	TypeError
ValueErrorallrx   maxr   r   )rq   choice_max_lengthchoices_group
group_namegroup_choicesr   r   s   `      rH   r   zField._check_choices3  sl   | 	I4<(( 	Jt|S,I,I 	L$    !\ .	 .	M,9)
MMz*   K    -:      E?.=.(+- 0=  	) 	)% z* K K K$.z--e44 D<R<R= =  EE?.:eS3I3I.(+,=s5zz(J(J%K ---  */@4?/R/RL8:KL (	    I L> 	  
 	
s0   A##A98A9=C %C  ?D>9D>=D>c                 H    | 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   rp   s    rH   r   zField._check_db_index{  s>    = 333=$    IrG   c                    | j         r|sg S g }|D ]{}t          j        || j                  st          |         }|j        j        sEd| j        j        j        v s2|	                    t          j        |j         d| d                     ||S )Nsupports_commentsz3 does not support comments on columns (db_comment).zfields.W163r   )r   r   allow_migrate_modelr   r   featuresr   rO   required_db_featuresappendr
   Warningdisplay_name)rq   	databasesr   errorsdbr   s         rH   r   zField._check_db_comment  s     	i 	I 	 	B-b$*== $RJ#5&$**:*OOON%2 1 1 1 (	     rG   c                 v    | j         r1| j        r*t          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   )rw   r_   r   r   !interprets_empty_strings_as_nullsr
   r   rp   s    rH   r   z*Field._check_null_allowed_for_primary_keys  s^    			 'I	 ;< $  
 
 IrG   c                     |g S g }|D ]L}t          j        || j                  r0|                    t	          |         j        j        | fi |           M|S rM   )r   r   r   extendr   
validationcheck_field)rq   r   r   r   aliass        rH   r   z$Field._check_backend_specific_checks  so    I 	Y 	YE)%<< Yk%0;GWWPVWWXXXrG   c                     g }t          | j                  D ]a\  }}t          |          sM|                    t	          j        dd                    |t          |                    | d                     b|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   )rq   r   r   	validators       rH   r   zField._check_validators  s    %do66 	 	LAyI&& L<==CV"#%))__ >D > >
 !(     rG   c           	         | j         pt          j        | j                             dd| j        j        z            | j                             d          | | j                             dd                    gS | j        pt          j        | j                            dd| j        j        z            | j                            d          | | 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   getrV   rC   system_check_deprecated_detailsr   rp   s    rH   r   z Field._check_deprecation_details  s	   ,8599&(,(?@ 
 :>>vFF8<<T=QQ	 	 	  1=8<<84>;RR  =AA&II;??mTT  	 	 	rG   c                 p    || j         j        j        k    r||| k    r| j        S ddlm}  ||| |          S Nr   )Col)r   rO   db_table
cached_coldjango.db.models.expressionsr   )rq   r   output_fieldr   s       rH   get_colzField.get_col  sS    DJ$--- LD$8$8?"444444s5$---rG   c                 D    ddl m}  || j        j        j        |           S r   )r   r   r   rO   r   )rq   r   s     rH   r   zField.cached_col  s.    444444s4:#,d333rG   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.
        rF   )rq   compilersqlparamss       rH   select_formatzField.select_format  s     F{rG   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}|                                D ]v\  }}t          | |                    ||                    }|dk    r.t	          |t
          j        j                  rt          |          }||v r||k    r|||<   m||ur|||<   w| j	        j
        d| j	        j        }|                    d          r|                    dd           }n|                    d!          r|                    d!d           }n|                    d"          r|                    d"d           }nW|                    d#          r|                    d#d           }n+|                    d$          r|                    d$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.
        rl   Nrw   Frx   ra   r`   r_   r   r|   re   Tr}   rb   r~   r   rc   rg   rK   rd   r   )r   r   r   rf   ry   r   r   rv   r   )ra   rf   r   rl   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)r5   itemsr   r   r   r   r   Iterabler   rV   rD   rE   
startswithreplaceru   )	rq   keywords	possiblesattr_overridesequals_comparisonru   r|   r   r   s	            rH   deconstructzField.deconstruct  s   B 
D
5
 $
 e	

 U
 E
 
 |
 
 
 t
 
 t
 t
 
  !
" $#
$ "!"+
 
 
	0  /'+-
 
 '5&__.. 	+ 	+MD'D."4"4T4"@"@AAEy  Z{7O%P%P U(((G##%*HTN''%*HTN.333T^5P5PQ??<== 		O<< ACUVVDD__<== 	O<< ?ASTTDD__;<< 	O<< >@RSSDD__<== 	O<< ?ASTTDD__677 	O<< 9;MNND	4X..rG   c                 N    |                                  \  }}}} | j        |i |S )z
        Uses deconstruct() to clone a new copy of this Field.
        Will not preserve any class attachments/attribute names.
        )r   rV   )rq   ru   r   argsr   s        rH   clonezField.clone_  s5    
 $(#3#3#5#5 dD&t~t.v...rG   c                     t          |t                    r4| j        |j        k    o#t          | dd           t          |dd           k    S t          S Nr   )r   r/   r   r   NotImplementedrq   others     rH   __eq__zField.__eq__g  s^    eU## 	/(E,BB /wgtH H..H/ / rG   c                    t          |t                    r| j        |j        k    s t          | d          s t          |d          s| j        |j        k     S t          | d          t          |d          k    rt          | d           S | j        j        j        | j        j        j        f|j        j        j        |j        j        j        fk     S t          S r  )	r   r/   r   r   r   rO   rQ   rR   r  r  s     rH   __lt__zField.__lt__o  s     eU## 	%)???tW-- @w// @ ,u/EEEw''75'+B+BBB"41111 
(2DJ4D4OPK%/K%0T   rG   c                 *    t          | j                  S rM   )hashr   rp   s    rH   __hash__zField.__hash__  s    D)***rG   c                     t          j         |           }| j        rMt          j         | j                  |_        t          | j        d          r| j        j        | u r||j        _        ||t	          |           <   |S )Nfield)copyrz   r   r  r   )rq   memodictr   s      rH   __deepcopy__zField.__deepcopy__  sw     ioo 	-#y):;;Ct('22 -t7H7NRV7V7V), & D
rG   c                 v    t                      }| j        |_        | j                                        |_        |S rM   )r.   rV   __dict__r  rq   r   s     rH   __copy__zField.__copy__  s0     gg}))++
rG   c                     t          | d          s?| 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  poprY   rV   rT   r   rO   rQ   object_nameru   )rq   states     rH   
__reduce__zField.__reduce__  s     tW%% 
	4 M&&((E IInd+++DN,e33J&J(I
 
 	
rG   c                 <    | j         r|                                 S dS )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)rq   instances     rH   get_pk_value_on_savezField.get_pk_value_on_save  s%     < 	&##%%%trG   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.
        rF   rq   r   s     rH   	to_pythonzField.to_python  s	     rG   c                     i }t          | j        j                  D ]&}|                    t	          |di                      '|                    | j        pi            |S )Ndefault_error_messages)reversedrV   __mro__updater   r   )rq   messagescs      rH   rf   zField.error_messages  sf    $.011 	F 	FAOOGA'?DDEEEE,2333rG   c                 "    g | j         | j        S )z
        Some validators can't be created at field initialization time.
        This method provides a way to delay their creation until required.
        )default_validatorsr   rp   s    rH   r   zField.validators  s     =(<4+;<<rG   c                 N   || j         v rd S g }| j        D ]y}	  ||           # t          j        $ rY}t	          |d          r%|j        | j        v r| j        |j                 |_        |                    |j	                   Y d }~rd }~ww xY w|rt          j        |          d S )Ncode)
empty_valuesr   r   ValidationErrorr   r,  rf   messager   
error_list)rq   r   r   ves        rH   run_validatorszField.run_validators  s    D%%%F 	, 	,A,%- , , ,1f%% <!&D4G*G*G $ 3AF ;AIal++++++++,
  	5,V444	5 	5s   $BABBc                    | j         sdS | j        r|| j        vri| j        D ]=\  }}t          |t          t
          f          r|D ]\  }}||k    r  dS 4||k    r dS >t          j        | j        d         dd|i          |(| j	        s!t          j        | j        d         d          | j
        s*|| j        v r#t          j        | j        d         d          dS dS )z
        Validate value and raise ValidationError if necessary. Subclasses
        should override this to provide validation logic.
        Nr^   r   r,  r   r_   )r,  r`   )re   rc   r-  r   r   tupler   r.  rf   r_   r`   )rq   r   model_instance
option_keyoption_valueoptgroup_keyoptgroup_values          rH   validatezField.validate  sG   
 } 	F<#T5F(F(F,0L  (
LlT5M::  9E # #4n L00"FFF 1# j((FF ),#$45%'    ==,T-@-HvVVVVz 	Yet'888,T-@-IPWXXXX	Y 	Y88rG   c                     |                      |          }|                     ||           |                     |           |S )z
        Convert the value's type and run validation. Validation errors
        from to_python() and validate() are propagated. Return the correct
        value if no error is raised.
        )r!  r<  r3  rq   r   r7  s      rH   cleanzField.clean  sB     u%%e^,,,E"""rG   c                 B    t          | j        |j        j        d          S )Nqn_)r   r  ops
quote_namerq   r   s     rH   db_type_parameterszField.db_type_parameters  s    4=*.*CUKKKrG   c                     |                      |          }	 |j        |                                          |z  S # t          $ r Y dS 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)rE  data_type_check_constraintsget_internal_typeKeyError)rq   r   datas      rH   db_checkzField.db_check  sb     &&z22	6t7M7M7O7OPSWW  	 	 	44	s   !9 
AAc                     |                      |          }	 |j        |                                          }t          |          r ||          S ||z  S # t          $ r Y dS w xY w)zk
        Return the database column data type for this field, for the provided
        connection.
        N)rE  
data_typesrH  r   rI  )rq   r   rJ  column_types       rH   db_typezField.db_type  s    ( &&z22	&$/0F0F0H0HIK
 $$ )"{4(((%%  	 	 	44	s   A 
A#"A#c                 ,    |                      |          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.
        )rO  rD  s     rH   rel_db_typezField.rel_db_type=  s     ||J'''rG   c                     |j         j                            |                                           }|r||                     |          z  S |                     |          S )z3Return the data type to use in the Cast() function.)rB  cast_data_typesr   rH  rE  rO  )rq   r   rO  s      rH   cast_db_typezField.cast_db_typeE  sZ    .044T5K5K5M5MNN 	AT44Z@@@@||J'''rG   c                 `    |                      |          }|                     |          }||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   )rO  rK  )rq   r   type_stringcheck_strings       rH   db_parameterszField.db_parametersL  s;     ll:..}}Z00!
 
 	
rG   c                 Z    |j                             |                                           S rM   )data_types_suffixr   rH  rD  s     rH   db_type_suffixzField.db_type_suffixY  s%    +//0F0F0H0HIIIrG   c                 6    t          | d          r| j        gS g S )Nfrom_db_value)r   r^  rD  s     rH   get_db_converterszField.get_db_converters\  s%    4)) 	(&''	rG   c                     | j         p| j        S rM   )ry   rw   rp   s    rH   ra   zField.uniquea  s    |/t//rG   c                 (    | j         pt          j        S rM   )r   r	   DEFAULT_INDEX_TABLESPACErp   s    rH   r   zField.db_tablespacee  s    "Gh&GGrG   c                     dS )z
        Private API intended only to be used by Django itself. Currently only
        the PostgreSQL backend supports returning multiple fields on a model.
        FrF   rp   s    rH   db_returningzField.db_returningi  s	     urG   c                     | j         p|| _         |                                 \  | _        | _        | j        d u| _        | j        )| j         r$| j                             dd          | _        d S d S d S )Nro    )ru   get_attname_columnattnamecolumnconcreterl   r   )rq   ru   s     rH   set_attributes_from_namezField.set_attributes_from_nameq  sv    I%	$($;$;$=$=!dk4/$$ $	 1 1#s ; ;D %$$$rG   c                 h   |                      |           || _        |j                            | |           | j        r)t          || j        |                     |                      | j        @d| j	        z  |j
        vr1t          |d| j	        z  t          |j        |                      dS dS dS )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  )rk  r   rO   	add_fieldri  setattrrh  descriptor_classrc   ru   r  r   _get_FIELD_display)rq   r   ru   private_onlys       rH   contribute_to_classzField.contribute_to_classx  s     	%%d+++
	D,777; 	DCt'<'<T'B'BCCC<#
  $)+3<??$ty0!#"8EEE     $#
 @?rG   c                 :    | 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.
        )ru   r   rh  r  s     rH   get_filter_kwargs_for_objectz"Field.get_filter_kwargs_for_object  s    
 	735566rG   c                     | j         S rM   )ru   rp   s    rH   get_attnamezField.get_attname  s
    yrG   c                 D    |                                  }| j        p|}||fS rM   )rw  rd   )rq   rh  ri  s      rH   rg  zField.get_attname_column  s)    ""$$*7rG   c                     | j         j        S rM   )rV   rC   rp   s    rH   rH  zField.get_internal_type  s    ~&&rG   c                 ,    t          || j                  S )z(Return field's value just before saving.r   rh  )rq   r7  adds      rH   pre_savezField.pre_save  s    ~t|444rG   c                 X    t          |t                    r|                                }|S )zAPerform preliminary non-db specific value checks and conversions.)r   r   _proxy____castr   s     rH   get_prep_valuezField.get_prep_value  s*    eW%% 	+((**ErG   c                 4    |s|                      |          }|S )z
        Return field's value prepared for interacting with the database backend.

        Used by the default implementations of get_db_prep_save().
        )r  rq   r   r   prepareds       rH   get_db_prep_valuezField.get_db_prep_value  s$      	/''..ErG   c                 V    t          |d          r|S |                     ||d          S )z9Return field's value prepared for saving into a database.as_sqlF)r   r  )r   r  rq   r   r   s      rH   get_db_prep_savezField.get_db_prep_save  s4    5(## 	L%%e
U%SSSrG   c                     | j         t          uS )z;Return a boolean of whether this field has a default value.)r|   r5   rp   s    rH   has_defaultzField.has_default  s    |<//rG   c                 *    |                                  S )z(Return the default value for this field.)r  rp   s    rH   r  zField.get_default  s      """rG   c                                                        r t           j                  r j        S  fdS  j        r j        rt
          j        j        st          S t          S )Nc                       j         S rM   )r|   rp   s   rH   <lambda>z$Field._get_default.<locals>.<lambda>  s	    4< rG   )
r  r   r|   empty_strings_allowedr_   r   r   r   r[   r   rp   s   `rH   r  zField._get_default  st     	(%% $|#''''' *	y	 'I	
 
rG   c                   	 | j         =t          | j                   }|r%t          d | j        D                       }|s||z   }|S | j        j        }|p|                                 }t          j        t          | j        d          r| j        
                                j        nd          	|j                            |          }|r
 |j        | }|r|ng 	fd|D             z   S )z{
        Return choices with a default blank choices included, for use
        as <select> choices for this field.
        Nc              3   $   K   | ]\  }}|d v V  dS ))rK   NNrF   )r   choicero   s      rH   r   z$Field.get_choices.<locals>.<genexpr>  s<       $ $-6VQFj($ $ $ $ $ $rG   get_related_fieldr   c                 D    g | ]} |          t          |          fS rF   )r   )r   xchoice_funcs     rH   
<listcomp>z%Field.get_choices.<locals>.<listcomp>  s9     :
 :
 :
)*[[^^SVV$:
 :
 :
rG   )rc   r   anyflatchoicesrz   r   get_limit_choices_tooperator
attrgetterr   r  rh  _default_managercomplex_filterorder_by)
rq   include_blankblank_choicerh   orderingrc   blank_defined	rel_modelqsr  s
            @rH   get_choiceszField.get_choices  s:    <#4<((G 5 # $ $:>:J$ $ $ ! ! % 5*W4GN%+	+Jt/H/H/J/J)t(*=>>D//1199
 

 '667GHH 	(h'B -52 :
 :
 :
 :
.0:
 :
 :
 
 	
rG   c                 F    t          |                     |                    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     rH   value_to_stringzField.value_to_string  s     
 4))#..///rG   c                     | j         g S g }| j         D ]N\  }}t          |t          t          f          r|                    |           7|                    ||f           O|S )z#Flattened version of choices tuple.)rc   r   r   r6  r   r   )rq   flatr  r   s       rH   _get_flatchoiceszField._get_flatchoices  sr    <I!\ 	- 	-MFE%$// -E""""VUO,,,,rG   c                 2    t          || j        |           d S rM   )ro  ru   )rq   r  rJ  s      rH   save_form_datazField.save_form_data
  s    $)T*****rG   c                 <   | j          t          | j                  | j        d}|                                 r;t          | j                  r| j        |d<   d|d<   n|                                 |d<   | j        y| j         p|                                 pd|v  }| 	                    |          |d<   | j
        |d<   | j        rd|d	<   ||}nt          j        }t          |          D ]	}|d
vr||= 
|                    |           |t          j        } |di |S )z4Return a django.forms.Field instance for this field.)requiredr   rg   initialTshow_hidden_initialNr  rc   coerceempty_value)r  r  rc   r  widgetr   r  rg   rf   r  disabledrF   )r`   r   rl   rg   r  r   r|   r  rc   r  r!  r_   r   TypedChoiceFieldr   r&  r'   )rq   
form_classchoices_form_classr   defaultsr  ks          rH   	formfieldzField.formfield  sn    !Jd/00
 

  	9%% 9&*l#26.//&*&6&6&8&8#<# J   ""9i6&9+M #'"2"2"2"O"OHY!%HXy /*.'!-/

"3
 &\\ " "    q	Jz%%H%%%rG   c                 ,    t          || j                  S )z;Return the value of this field in the given model instance.r{  r  s     rH   r  zField.value_from_object>  s    sDL)))rG   rM   FNN)^rC   rD   rE   __doc__r  r   r   EMPTY_VALUESr-  r   r   r*  ro   r#  r   r   non_db_attrshiddenmany_to_manymany_to_oneone_to_many
one_to_onerelated_modelr   rp  rr   propertydescriptionr5   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!  rf   r3  r<  r?  rE  rK  rO  rQ  rT  rY  r\  r_  ra   r   rd  rk  rs  ru  rw  rg  rH  r}  r  r  r  r  r  r  r"   r  r  r  r  r  r  r  __classcell__rV   s   @rH   r/   r/   p   s       (( !4
/00L
 !DEE.//011!NOO14
 
  '+##' L" FLKKJM(
 
 

 (<((K 1<. <. <. <.|8 8 8 8 8  

 

 

  @ K K [KF
 F
 F
P
 
 
   ,  .     (  6. . . . 4 4 _4
  Z/ Z/ Z/x/ / /    (+ + +	 	 	  
 
 
.	 	 	     _ = = _=5 5 5 Y Y Y>	 	 	L L L  & & &>( ( (( ( (
 
 
J J J  
 0 0 X0 H H XH   X< < <   07 7 7    
' ' '5 5 5     T T T0 0 0# # #   _  & 
  
  
  
D0 0 0
 
 
 (+,,K+ + +/& /& /& /&b* * * * * * *rG   r/   c                   |     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                     dS )Nr&   rF   rp   s    rH   rH  zBooleanField.get_internal_typeK      ~rG   c                     | j         r|| j        v rd S |dv rt          |          S |dv rdS |dv rdS t          j        | j        | j         rdnd         dd|i	          )
N)TF)tTrue1T)fFalse0Fr  r  r   r5  )r_   r-  boolr   r.  rf   r   s     rH   r!  zBooleanField.to_pythonN  s    9 	$"3334M!!;;&&&4'''5(di N 2 2YOU#
 
 
 	
rG   c                 x    t                                          |          }|d S |                     |          S rM   r   r  r!  rq   r   rV   s     rH   r  zBooleanField.get_prep_value^  s6    &&u--=4~~e$$$rG   c                     | j         2|                                 pd|v  }d|                     |          i}n$| j        rt          j        nt          j        }|dd} t                      j        di i ||S )Nr  rc   r  F)r  r  rF   )	rc   r  r  r_   r   r6   r&   r   r  )rq   r   r  r  r  rV   s        rH   r  zBooleanField.formfieldd  s    <#!%!1!1!3!3!JyF7JKM!4#3#3-#3#P#PQHH379T//%BTJ '1eDDH uww ::#9h#9&#9:::rG   )rC   rD   rE   r  ro   r#  r  rH  r!  r  r  r  r  s   @rH   r&   r&   C  s        !1JKKAZ[[  !455K  
 
 
 % % % % %
; 
; 
; 
; 
; 
; 
; 
; 
;rG   r&   c                        e Zd Zdd fd
Zed             Z fdZd Zd Z fdZ	 fd	Z
d
 Zd Z fdZ fdZ fdZ xZS )r'   Ndb_collationc                     t                      j        |i | || _        | j        3| j                            t	          j        | j                             d S d S rM   )r   r   r  rx   r   r   MaxLengthValidatorrq   r  r   r   rV   s       rH   r   zCharField.__init__r  s`    $)&)))(?&O"":#@#Q#QRRRRR '&rG   c                 L    | j         t          d          S t          d          S )NzString (up to %(max_length)s)zString (unlimited))rx   ro   rp   s    rH   r  zCharField.descriptionx  s(    ?&4555)***rG   c                     |                     d          pg }g  t                      j        di ||                     |           | j        di |S Nr   rF   )r   r   r   _check_db_collation_check_max_length_attributerq   r   r   rV   s      rH   r   zCharField.check  st    JJ{++1r	
UWW]$$V$$
%%i00
 .T-7777
 	
rG   c                 >   | j         >t          j        j        sd| j        j        j        v rg S t          j        d| d          gS t          | j         t                    r%t          | j         t                    s| j         dk    rt          j        d| d          gS g S )Nsupports_unlimited_charfieldz0CharFields must define a 'max_length' attribute.zfields.E120r   r   z('max_length' must be a positive integer.zfields.E121)rx   r   r   r  r   rO   r   r
   r   r   intr  r   s     rH   r  z%CharField._check_max_length_attribute  s    ?"#@1:#89 9 	F$    4?C00	$/400	 !## >$    IrG   c                    g }|D ]}t          j        || j                  st          |         }| j        Qd| j        j        j        v s>|j        j        s2|	                    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  rO   r   r   r  r   r
   r   r   rq   r   r   r   r   s        rH   r  zCharField._check_db_collation       	 	B-b$*== $RJ!)4:#89 9&F9 L&(2(?@ (	     rG   c                 l    | j         |j        j        S t                                          |          S rM   )rx   rB  "cast_char_field_without_max_lengthr   rT  )rq   r   rV   s     rH   rT  zCharField.cast_db_type  s.    ?">DDww##J///rG   c                 ^    t                                          |          }| j        |d<   |S N	collationr   rY  r  rq   r   	db_paramsrV   s      rH   rY  zCharField.db_parameters  -    GG))*55	!%!2	+rG   c                     dS )Nr'   rF   rp   s    rH   rH  zCharField.get_internal_type      {rG   c                 R    t          |t                    s||S t          |          S rM   r   r   r   s     rH   r!  zCharField.to_python  )    eS!! 	U]L5zzrG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zCharField.get_prep_value  ,    &&u--~~e$$$rG   c                     d| j         i}| j        rt          j        j        sd |d<   |                    |            t                      j        di |S )Nrx   r  rF   )rx   r_   r   r   r   r&  r   r  )rq   r   r  rV   s      rH   r  zCharField.formfield  sa     !$/29 	+Z0R 	+&*H]# uww ,,8,,,rG   c                 |    t                                                      \  }}}}| j        r
| j        |d<   ||||fS Nr  r   r   r  rq   ru   r   r   r   rV   s        rH   r   zCharField.deconstruct  H    #(77#6#6#8#8 dD& 	7%)%6F>"T4''rG   )rC   rD   rE   r   r  r  r   r  r  rT  rY  rH  r!  r  r  r   r  r  s   @rH   r'   r'   q  s9       +/ S S S S S S S + + X+
 
 
 
 
  <  ,0 0 0 0 0
    
    
% % % % %	- 	- 	- 	- 	-( ( ( ( ( ( ( ( (rG   r'   c                   @    e Zd Zej        gZ ed          ZddddZdS )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)	rC   rD   rE   r   %validate_comma_separated_integer_listr*  ro   r  r   rF   rG   rH   r(   r(     sH        $JK!.//K% 
$ 
$   rG   r(   c                 v    t          j        |           r$t          j        | t          j         j                  } | S rM   )r   is_aware
make_naivedatetimeutc)r   s    rH   	_to_naiver    s3     B#E8+<+@AALrG   c                  B    t          t          j                              S rM   )r  r   nowrF   rG   rH   _get_naive_nowr    s    X\^^$$$rG   c                   2     e Zd Z fdZd Zd ZddZ xZS )DateTimeCheckMixinc                     g  t                      j        di ||                                 |                                 S r   )r   r   !_check_mutually_exclusive_options_check_fix_default_valuerq   r   rV   s     rH   r   zDateTimeCheckMixin.check  sU    
UWW]$$V$$
3355
 **,,
 	
rG   c                     | j         | j        |                                 g}d |D                                 d          }|dk    rt	          j        d| d          gS g S )Nc                     g | ]}|d vS ))NFrF   )r   options     rH   r  zHDateTimeCheckMixin._check_mutually_exclusive_options.<locals>.<listcomp>  s*     
 
 
,2F-'
 
 
rG   Trt   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   )rq   mutually_exclusive_optionsenabled_optionss      rH   r  z4DateTimeCheckMixin._check_mutually_exclusive_options  s    
 M&
"

 
6P
 
 

%++ 	 Q& $    IrG   c                     g S rM   rF   rp   s    rH   r  z+DateTimeCheckMixin._check_fix_default_value  s    	rG   Nc                    |t                      }t          j        d          }||z
  }||z   }t          |t          j                  rt	          |          }nDt          |t          j                  sJ |                                }|                                }||cxk    r|k    rn n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.
        N
   )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   )rq   r   r  offsetloweruppers         rH   _check_if_value_fixedz(DateTimeCheckMixin._check_if_value_fixed#  s     ; ""C#B///ffeX.// 	!e$$EEeX]33333JJLLEJJLLEE""""U"""""3F
 $
 
 
  	rG   rM   )rC   rD   rE   r   r  r  r.  r  r  s   @rH   r  r    sj        
 
 
 
 
  2  
               rG   r  c                        e Zd ZdZ ed           ed          dZ ed          Z	 d fd	Zd Z fd	Z	d
 Z
d Z fdZ fdZ fdZddZd Z fdZ xZS )r)   FuR   “%(value)s” value has an invalid date format. It must be in YYYY-MM-DD format.T   “%(value)s” value has the correct format (YYYY-MM-DD) but it is an invalid date.)r  invalid_datezDate (without time)Nc                 x    ||c| _         | _        |s|r
d|d<   d|d<    t                      j        ||fi | d S NFre   Tr`   r!  r   r   r   rq   rl   ru   r!  r   r   rV   s         rH   r   zDateField.__init__T  _     ,4\(t( 	#| 	#!&F:"F7Ot66v66666rG   c                    |                                  sg S | j        }t          |t          j                  r"t	          |                                          }nt          |t          j                  rng S |                     |          S 
        Warn that using an actual date or datetime value is probably wrong;
        it's only evaluated on server startup.
        )r  r|   r   r  r  r*  r.  r   s     rH   r  z"DateField._check_fix_default_value]  s    
 !! 	IeX.// 	e$$))++EEx}-- 	 I))%000rG   c                     t                                                      \  }}}}| j        rd|d<   | j        rd|d<   | j        s| j        r|d= |d= ||||fS )NTr!  r   re   r`   r   r   r!  r   r	  s        rH   r   zDateField.deconstructp  s|    #(77#6#6#8#8 dD&= 	&!%F: 	*%)F>"= 	 D- 	 z"wT4''rG   c                     dS )Nr)   rF   rp   s    rH   rH  zDateField.get_internal_type{  r  rG   c                    ||S t          |t          j                  r\t          j        r<t	          j        |          r(t	          j                    }t	          j        ||          }|                                S t          |t          j                  r|S 	 t          |          }||S n2# t          $ r% t          j        | j        d         dd|i          w xY wt          j        | j        d         dd|i          )Nr1  r   r5  r  )r   r  r	   USE_TZr   r  get_default_timezoner  r*  r   r   r   r.  rf   rq   r   default_timezoneparseds       rH   r!  zDateField.to_python~  s)   =LeX.// 	  E8#4U#;#; E $,#@#B#B  +E3CDD::<<eX]++ 	L		&&F! " 	 	 	,#N3#'   	 (	*U#
 
 
 	
s   B, ,/Cc                     | j         s	| j        r8|r6t          j                                        }t          || j        |           |S t                                          ||          S rM   )	r!  r   r  r*  todayro  rh  r   r}  rq   r7  r|  r   rV   s       rH   r}  zDateField.pre_save  sd    = 	9T. 	93 	9M''))ENDL%888L77##NC888rG   c           	          t                      j        ||fi | | j        s^t          |d| j        z  t          |j        | d                     t          |d| j        z  t          |j        | d                     d S d S )Nzget_next_by_%sT)r  is_nextzget_previous_by_%sF)r   rs  r_   ro  ru   r   _get_next_or_previous_by_FIELDrq   r   ru   r   rV   s       rH   rs  zDateField.contribute_to_class  s    ##C88888y 	 49,6dD     $ty06dE      	 	rG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zDateField.get_prep_value  r  rG   c                 d    |s|                      |          }|j                            |          S rM   )r  rB  adapt_datefield_valuer  s       rH   r  zDateField.get_db_prep_value  3     	/''..E~33E:::rG   c                 \    |                      |          }|dn|                                S NrK   r  	isoformatrq   r   vals      rH   r  zDateField.value_to_string  +    $$S))[rrcmmoo5rG   c                 R     t                      j        di dt          j        i|S Nr  rF   )r   r  r   r)   r  s     rH   r  zDateField.formfield  <     uww  
 
eo
 
 	
rG   NNFFr  )rC   rD   rE   r  ro   r#  r  r   r  r   rH  r!  r}  rs  r  r  r  r  r  r  s   @rH   r)   r)   F  s`       !1$
 
 )
 
	 	 !)**K JO7 7 7 7 7 71 1 1&	( 	( 	( 	( 	(  
 
 
<9 9 9 9 9    $% % % % %; ; ; ;6 6 6
 
 
 
 
 
 
 
 
rG   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.r0  uq   “%(value)s” value has the correct format (YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ]) but it is an invalid date/time.)r  r1  invalid_datetimezDate (with time)c                     |                                  sg S | j        }t          |t          j        t          j        f          r|                     |          S g S r8  )r  r|   r   r  r*  r.  r   s     rH   r  z&DateTimeField._check_fix_default_value  sY    
 !! 	Ieh/?@@ 	5--e444	rG   c                     dS )Nr*   rF   rp   s    rH   rH  zDateTimeField.get_internal_type      rG   c           	      <   ||S t          |t          j                  r|S t          |t          j                  rt          j        |j        |j        |j                  }t          j        r[t          j	        d| j
        j        d| j        d|dt                     t          j                    }t          j        ||          }|S 	 t#          |          }||S n2# t$          $ r% t'          j        | j        d         dd|i          w xY w	 t-          |          }|%t          j        |j        |j        |j                  S n2# t$          $ r% t'          j        | j        d         dd|i          w xY wt'          j        | j        d	         d	d|i          )
NDateTimeField r    received a naive datetime ($) while time zone support is active.rZ  r   r5  r1  r  )r   r  r*  yearmonthdayr	   r>  warningswarnr   rC   ru   RuntimeWarningr   r?  
make_awarer   r   r   r.  rf   r   r@  s       rH   r!  zDateTimeField.to_python  s   =LeX.// 	LeX]++ 	%ej%+uyIIE E
  z***DIIIuuu> #	   $,#@#B#B  +E3CDDL		#E**F! " 	 	 	,#$67''   			&&F!(flFJOOO " 	 	 	,#N3#'   	 (	*U#
 
 
 	
s   
C /D5E /E7c                     | j         s	| j        r-|r+t          j                    }t	          || j        |           |S t                                          ||          S rM   )r!  r   r   r  ro  rh  r   r}  rE  s       rH   r}  zDateTimeField.pre_save%  s\    = 	9T. 	93 	9LNNENDL%888L77##NC888rG   c                    t                                          |          }|                     |          }|t          j        rt          j        |          rs	 | j        j        d| j	        }n# t          $ r d}Y nw xY wt          j        d|d|dt                     t          j                    }t          j        ||          }|S )Nr   z	(unbound)r_  r`  ra  )r   r  r!  r	   r>  r   is_naiver   rC   ru   AttributeErrorre  rf  rg  r?  rh  )rq   r   ru   rA  rV   s       rH   r  zDateTimeField.get_prep_value0  s    &&u--u%%X5Fu5M5M#"&*"5"5"5tyyA! # # #"#MM9=uuuF  
  (<>>'/?@@Es   A2 2B Bc                 d    |s|                      |          }|j                            |          S rM   )r  rB  adapt_datetimefield_valuer  s       rH   r  zDateTimeField.get_db_prep_valueD  s3     	/''..E~77>>>rG   c                 \    |                      |          }|dn|                                S rO  rP  rR  s      rH   r  zDateTimeField.value_to_stringJ  rT  rG   c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r*   r  s     rH   r  zDateTimeField.formfieldN  =     uww  
 
e1
 
 	
rG   r  )rC   rD   rE   r  ro   r#  r  r  rH  r!  r}  r  r  r  r  r  r  s   @rH   r*   r*     s        !19
 
 6
 
 A.
 
  !&''K    0
 0
 0
d9 9 9 9 9    (? ? ? ?6 6 6
 
 
 
 
 
 
 
 
rG   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 numberNc                 \    ||c| _         | _         t                      j        ||fi | d S rM   )
max_digitsdecimal_placesr   r   )rq   rl   ru   rt  ru  r   rV   s         rH   r   zDecimalField.__init__^  s=     0:>,,t66v66666rG   c                      t                      j        di |}g |                                 |                                 }|s!|                     | j        di |           n|                    |           |S r   )r   r   _check_decimal_places_check_max_digitsr   $_check_decimal_places_and_max_digits)rq   r   r   digits_errorsrV   s       rH   r   zDecimalField.checki  s    ((((
''))
##%%
  	)MMC$CMMfMMNNNNMM-(((rG   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  ru  r   r   r
   r   )rq   ru  s     rH   rw  z"DecimalField._check_decimal_placesv  s    	 !455N!! ll" "& I#  	 	 	M$       	 	 	F$     	   (- "A5!A54A5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  rt  r   r   r
   r   )rq   rt  s     rH   rx  zDecimalField._check_max_digits  s    	T_--JQ ll" & I#  	 	 	I$       	 	 	>$     	r|  c                     t          | j                  t          | j                  k    rt          j        d| d          gS g S )Nz:'max_digits' must be greater or equal to 'decimal_places'.zfields.E134r   )r  ru  rt  r
   r   r   s     rH   ry  z1DecimalField._check_decimal_places_and_max_digits  sP    t"##c$/&:&:::P$    	rG   c                 l    t                      j        t          j        | j        | j                  gz   S rM   )r   r   DecimalValidatorrt  ru  )rq   rV   s    rH   r   zDecimalField.validators  s1    ww!'9LMM%
 
 	
rG   c                 6    t          j        | j                  S )N)prec)decimalContextrt  rp   s    rH   contextzDecimalField.context  s    DO4444rG   c                     t                                                      \  }}}}| j        
| j        |d<   | j        
| j        |d<   ||||fS )Nrt  ru  )r   r   rt  ru  r	  s        rH   r   zDecimalField.deconstruct  s[    #(77#6#6#8#8 dD&?&#'?F< *'+':F#$T4''rG   c                     dS )Nr+   rF   rp   s    rH   rH  zDecimalField.get_internal_type  r  rG   c                    ||S 	 t          |t                    r| j                            |          }nt	          j        |          }nD# t          j        t          t          f$ r% t          j
        | j        d         dd|i          w xY w|                                s$t          j
        | j        d         dd|i          |S Nr  r   r5  )r   floatr  create_decimal_from_floatr  DecimalInvalidOperationr   r   r   r.  rf   	is_finite)rq   r   decimal_values      rH   r!  zDecimalField.to_python  s    =L
	%'' 7 $ F Fu M M ' 6 6()Z@ 	 	 	,#I.'   	 &&(( 	,#I.'   
 s   AA ABc                     t          |d          r|S |j                            |                     |          | j        | j                  S )Nr  )r   rB  adapt_decimalfield_valuer!  rt  ru  r  s      rH   r  zDecimalField.get_db_prep_save  sK    5(## 	L~66NN5!!4?D4G
 
 	
rG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zDecimalField.get_prep_value  r  rG   c                 j     t                      j        di | j        | j        t          j        d|S )N)rt  ru  r  rF   )r   r  rt  ru  r   r+   r  s     rH   r  zDecimalField.formfield  sM     uww  
 
"o"&"5#0  	
 
 	
rG   )NNNN)rC   rD   rE   r  ro   r#  r  r   r   rw  rx  ry  r   r   r  r   rH  r!  r  r  r  r  r  s   @rH   r+   r+   W  sy       !11FGG !$%%K 	7 	7 	7 	7 	7 	7      0  0	 	 	 
 
 
 
 _

 5 5 _5( ( ( ( (    ,
 
 
% % % % %
 
 
 
 
 
 
 
 
rG   r+   c                   z     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                     dS )Nr,   rF   rp   s    rH   rH  zDurationField.get_internal_type  r]  rG   c                     ||S t          |t          j                  r|S 	 t          |          }||S n# t          $ r Y nw xY wt          j        | j        d         dd|i          r  )r   r  r)  r   r   r   r.  rf   rq   r   rB  s      rH   r!  zDurationField.to_python  s    =LeX/00 	L	#E**F ! "  	 	 	D	 (	*U#
 
 
 	
s   6 
AAc                 D    |j         j        r|S |d S t          |          S rM   )r   has_native_duration_fieldr   r  s       rH   r  zDurationField.get_db_prep_value  s-    8 	L=4$U+++rG   c                     g }|j         j        s|                    |j        j                   |t                                          |          z   S rM   )r   r  r   rB  convert_durationfield_valuer   r_  )rq   r   
convertersrV   s      rH   r_  zDurationField.get_db_converters   sM    
"< 	JjnHIIIEGG55jAAAArG   c                 R    |                      |          }|dnt          |          S rO  )r  r   rR  s      rH   r  zDurationField.value_to_string&  s+    $$S))[rroc&:&::rG   c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r,   r  s     rH   r  zDurationField.formfield*  rq  rG   r  )rC   rD   rE   r  r  ro   r#  r  rH  r!  r  r_  r  r  r  r  s   @rH   r,   r,     s          "111
 
 !J--K  
 
 
&, , , ,B B B B B; ; ;
 
 
 
 
 
 
 
 
rG   r,   c                   X     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                 f    |                     dd            t                      j        |i | d S )Nrx      
setdefaultr   r   rq   r   r   rV   s      rH   r   zEmailField.__init__7  s;    ,,,,$)&)))))rG   c                 Z    t                                                      \  }}}}||||fS rM   r   r   r	  s        rH   r   zEmailField.deconstruct<  s2    #(77#6#6#8#8 dD& T4''rG   c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r-   r  s     rH   r  zEmailField.formfieldB  s?     !uww  
 
e.
 
 	
rG   )rC   rD   rE   r   validate_emailr*  ro   r  r   r   r  r  r  s   @rH   r-   r-   3  s        $34!O$$K* * * * *
( ( ( ( (
 
 
 
 
 
 
 
 
rG   r-   c                   x     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 )r0   z	File pathNrK   FTc                     |||c| _         | _        | _        ||c| _        | _        |                    dd            t                      j        ||fi | d S )Nrx   d   )r   match	recursiveallow_filesallow_foldersr  r   r   )
rq   rl   ru   r   r  r  r  r  r   rV   s
            rH   r   zFilePathField.__init__P  sj     15eY-	4:t~/:M,$,,,,,t66v66666rG   c                 T    g  t                      j        di | | j        di |S r   )r   r    _check_allowing_files_or_foldersr  s     rH   r   zFilePathField.check`  sF    
UWW]$$V$$
2T2<<V<<
 	
rG   c                 R    | j         s| j        st          j        d| d          gS g S )NzMFilePathFields must have either 'allow_files' or 'allow_folders' set to True.zfields.E140r   )r  r  r
   r   r   s     rH   r  z.FilePathField._check_allowing_files_or_foldersf  sG     	(: 	#$	    	rG   c                 P   t                                                      \  }}}}| j        dk    r
| j        |d<   | j        
| j        |d<   | j        dur
| j        |d<   | j        dur
| j        |d<   | j        dur
| j        |d<   |                    d	          d
k    r|d	= ||||fS )NrK   r   r  Fr  Tr  r  rx   r  )r   r   r   r  r  r  r  r   r	  s        rH   r   zFilePathField.deconstructr  s    #(77#6#6#8#8 dD&9??!YF6N:!"jF7O>&&"&.F;4''$($4F=!U**&*&8F?#::l##s**|$T4''rG   c                 l    t                                          |          }|d S t          |          S rM   r   r  r   r  s     rH   r  zFilePathField.get_prep_value  0    &&u--=45zzrG   c                      t                      j        di t          | j                  r|                                 n| j        | j        | j        t          j        | j        | j	        d|S )N)r   r  r  r  r  r  rF   )
r   r  r   r   r  r  r   r0   r  r  r  s     rH   r  zFilePathField.formfield  sx     uww  

 

'/	':':I			!^#1#/!%!3  

 

 
	
rG   c                     dS )Nr0   rF   rp   s    rH   rH  zFilePathField.get_internal_type  r]  rG   )NNrK   NFTF)rC   rD   rE   ro   r  r   r   r  r   r  r  rH  r  r  s   @rH   r0   r0   M  s        !K..K 7 7 7 7 7 7 
 
 
 
 

 
 
( ( ( ( (     
 
 
 
 
      rG   r0   c                   h     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 )	r1   Fr  u&   “%(value)s” value must be a float.zFloating point numberc                     t                                          |          }|d S 	 t          |          S # t          t          f$ r'}|                    d| j        d|d          |d }~ww xY wNzField 'z' expected a number but got r   )r   r  r  r   r   rV   ru   rq   r   r2  rV   s      rH   r  zFloatField.get_prep_value  s    &&u--=4	<<:& 	 	 	+++>BiiiO 	   7 A/"A**A/c                     dS )Nr1   rF   rp   s    rH   rH  zFloatField.get_internal_type  s    |rG   c                     ||S 	 t          |          S # t          t          f$ r% t          j        | j        d         dd|i          w xY wr  )r  r   r   r   r.  rf   r   s     rH   r!  zFloatField.to_python  sm    =L	<<:& 	 	 	,#I.'   		    6Ac                 R     t                      j        di dt          j        i|S rV  )r   r  r   r1   r  s     rH   r  zFloatField.formfield  s=     uww  
 
e.
 
 	
rG   )rC   rD   rE   r  ro   r#  r  r  rH  r!  r  r  r  s   @rH   r1   r1     s        !11=>> !+,,K	 	 	 	 	  
 
 

 
 
 
 
 
 
 
 
rG   r1   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 )r4   Fr  u)   “%(value)s” value must be an integer.Integerc                 b    g  t                      j        di ||                                 S r   )r   r   _check_max_length_warningr  s     rH   r   zIntegerField.check  s?    
UWW]$$V$$
++--
 	
rG   c                 `    | j         &t          j        d| j        j        z  d| d          gS g S )Nz*'max_length' is ignored when used with %s.zRemove 'max_length' from fieldzfields.W122r   )rx   r
   r   rV   rC   rp   s    rH   r  z&IntegerField._check_max_length_warning  sH    ?&@n-.9$    	rG   c                    t                      j        }|                                 }t          j                            |          \  Bt          fd|D                       s'|                    t          j                             Bt          fd|D                       s'|                    t          j	                             |S )Nc              3      K   | ]Q}t          |t          j                  o2t          |j                  r|                                n|j        k    V  Rd S rM   )r   r   MinValueValidatorr   limit_value)r   r   	min_values     rH   r   z*IntegerField.validators.<locals>.<genexpr>         -
 -
  9j&BCC   	 566/I))+++".-
 -
 -
 -
 -
 -
rG   c              3      K   | ]Q}t          |t          j                  o2t          |j                  r|                                n|j        k    V  Rd S rM   )r   r   MaxValueValidatorr   r  )r   r   	max_values     rH   r   z*IntegerField.validators.<locals>.<genexpr>  r  rG   )
r   r   rH  r   rB  integer_field_ranger  r   r  r  )rq   validators_internal_typer  r  rV   s      @@rH   r   zIntegerField.validators  s     gg(..00)~AA-PP	9  -
 -
 -
 -
 )-
 -
 -
 *
 *
  z;IFFGGG  -
 -
 -
 -
 )-
 -
 -
 *
 *
  z;IFFGGGrG   c                     t                                          |          }|d S 	 t          |          S # t          t          f$ r'}|                    d| j        d|d          |d }~ww xY wr  )r   r  r  r   r   rV   ru   r  s      rH   r  zIntegerField.get_prep_value   s    &&u--=4	u:::& 	 	 	+++>BiiiO 	r  c                     t                                          |||          }|j                            ||                                           S rM   )r   r  rB  adapt_integerfield_valuerH  rq   r   r   r  rV   s       rH   r  zIntegerField.get_db_prep_value  sB    ))%XFF~66ud>T>T>V>VWWWrG   c                     dS )Nr4   rF   rp   s    rH   rH  zIntegerField.get_internal_type  r  rG   c                     ||S 	 t          |          S # t          t          f$ r% t          j        | j        d         dd|i          w xY wr  )r  r   r   r   r.  rf   r   s     rH   r!  zIntegerField.to_python  sm    =L	u:::& 	 	 	,#I.'   	r  c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r4   r  s     rH   r  zIntegerField.formfield  s=     uww  
 
e0
 
 	
rG   r  )rC   rD   rE   r  ro   r#  r  r   r  r   r   r  r  rH  r!  r  r  r  s   @rH   r4   r4     s       !11@AA !I,,K
 
 
 
 
           _ D	 	 	 	 	X X X X X X  
 
 

 
 
 
 
 
 
 
 
rG   r4   c                   >     e Zd Z ed          ZdZd Z fdZ xZS )r$   zBig (8 byte) integerl    c                     dS )Nr$   rF   rp   s    rH   rH  z!BigIntegerField.get_internal_type+  s      rG   c                 p     t                      j        di t          j         dz
  t          j        d|S )Nrt   )r  r  rF   )r   r  r$   
MAX_BIGINTr  s     rH   r  zBigIntegerField.formfield.  sP     uww  
 
-881<,7  
 
 	
rG   )	rC   rD   rE   ro   r  r  rH  r  r  r  s   @rH   r$   r$   '  s\        !*++K$J! ! !
 
 
 
 
 
 
 
 
rG   r$   c                   *    e Zd Z ed          Zd ZdS )r<   zSmall integerc                     dS )Nr<   rF   rp   s    rH   rH  z#SmallIntegerField.get_internal_type;  s    ""rG   N)rC   rD   rE   ro   r  rH  rF   rG   rH   r<   r<   8  s2        !O$$K# # # # #rG   r<   c                   ^     e Zd ZdZ ed          ZddddZ fdZ fdZ fd	Z	d
 Z
 xZS )r3   FzIPv4 addresszLIPAddressField has been removed except for support in historical migrations.z"Use GenericIPAddressField instead.zfields.E900r  c                 D    d|d<    t                      j        |i | d S )N   rx   r   r   r  s      rH   r   zIPAddressField.__init__K  s/    !|$)&)))))rG   c                 `    t                                                      \  }}}}|d= ||||fS Nrx   r  r	  s        rH   r   zIPAddressField.deconstructO  8    #(77#6#6#8#8 dD&< T4''rG   c                 l    t                                          |          }|d S t          |          S rM   r  r  s     rH   r  zIPAddressField.get_prep_valueT  r  rG   c                     dS )Nr3   rF   rp   s    rH   rH  z IPAddressField.get_internal_typeZ      rG   )rC   rD   rE   r  ro   r  r   r   r   r  rH  r  r  s   @rH   r3   r3   ?  s        !!N##K% 5$ $ * * * * *( ( ( ( (
                 rG   r3   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 )r2   Fz
IP addressNbothc                     || _         || _        t          j        ||          \  | _        }|| j        d<   d|d<    t                      j        ||g|R i | d S )Nr  '   rx   )unpack_ipv4protocolr   ip_address_validatorsr*  r#  r   r   )	rq   rl   ru   r  r  r   r   invalid_error_messagerV   s	           rH   r   zGenericIPAddressField.__init__c  sz     '  ,X{CC	
#!1F#I.!|t=d===f=====rG   c                 T    g  t                      j        di | | j        di |S r   )r   r   _check_blank_and_null_valuesr  s     rH   r   zGenericIPAddressField.checkv  sF    
UWW]$$V$$
.T.8888
 	
rG   c                 z    t          | dd          s)t          | dd          rt          j        d| d          gS g S )Nr_   Fr`   zaGenericIPAddressFields cannot have blank=True if null=False, as blank values are stored as nulls.zfields.E150r   )r   r
   r   r   s     rH   r  z2GenericIPAddressField._check_blank_and_null_values|  sY    tVU++ 	gu0M0M 	;$	    	rG   c                     t                                                      \  }}}}| j        dur
| j        |d<   | j        dk    r
| j        |d<   |                    d          dk    r|d= ||||fS )NFr  r  r  rx   r  )r   r   r  r  r   r	  s        rH   r   z!GenericIPAddressField.deconstruct  s    #(77#6#6#8#8 dD&5(($($4F=!=F""!%F:::l##r))|$T4''rG   c                     dS )Nr2   rF   rp   s    rH   rH  z'GenericIPAddressField.get_internal_type  s    &&rG   c                     |d S t          |t                    st          |          }|                                }d|v r!t          || j        | j        d                   S |S )N:r  )r   r   stripr   r  rf   r   s     rH   r!  zGenericIPAddressField.to_python  sj    =4%%% 	JJE%<<%t')<Y)G   rG   c                 d    |s|                      |          }|j                            |          S rM   )r  rB  adapt_ipaddressfield_valuer  s       rH   r  z'GenericIPAddressField.get_db_prep_value  s3     	/''..E~88???rG   c                     t                                          |          }|d S |r/d|v r+	 t          || j                  S # t          j        $ r Y nw xY wt          |          S )Nr  )r   r  r   r  r   r.  r   r  s     rH   r  z$GenericIPAddressField.get_prep_value  s{    &&u--=4 	SE\\)%1ABBB-   5zzs   A AAc                 ^     t                      j        di | j        t          j        d|S )N)r  r  rF   )r   r  r  r   r2   r  s     rH   r  zGenericIPAddressField.formfield  sG     uww  
 
 M#9  
 
 	
rG   )NNr  Fr  )rC   rD   rE   r  ro   r  r#  r   r   r  r   rH  r!  r  r  r  r  r  s   @rH   r2   r2   ^  s       !!L//K > > > > > >&
 
 
 
 

 
 
( ( ( ( (' ' '
 
 
@ @ @ @
	 	 	 	 	
 
 
 
 
 
 
 
 
rG   r2   c                   x     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 )
r6   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                 N    d|d<   d|d<    t                      j        |i | d S )NTr_   r`   r  r  s      rH   r   zNullBooleanField.__init__  s7    vw$)&)))))rG   c                 f    t                                                      \  }}}}|d= |d= ||||fS )Nr_   r`   r  r	  s        rH   r   zNullBooleanField.deconstruct  s>    #(77#6#6#8#8 dD&6N7OT4''rG   )
rC   rD   rE   ro   r#  r  r   r   r   r  r  s   @rH   r6   r6     s        1PQQAYZZ  !:;;K 7$ $ * * * * *
( ( ( ( ( ( ( ( (rG   r6   c                   $     e Zd Z fdZd Z xZS )PositiveIntegerRelDbTypeMixinc                      t                      j        di | t          | d          s.t          d | j        dd          D             d           | _        d S d S )Ninteger_field_classc              3   D   K   | ]}t          |t                    |V  d S rM   )
issubclassr4   )r   parents     rH   r   zBPositiveIntegerRelDbTypeMixin.__init_subclass__.<locals>.<genexpr>  sF        !&,77     rG   rt   rF   )r   __init_subclass__r   nextr%  r  )r   r   rV   s     rH   r	  z/PositiveIntegerRelDbTypeMixin.__init_subclass__  s    !!++F+++s122 	&* "%+abb/  
 ' 'C###	 	rG   c                     |j         j        r|                     |          S |                                                     |          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_typerO  r  rD  s     rH   rQ  z)PositiveIntegerRelDbTypeMixin.rel_db_type  sH     8 	M<<
+++++--555LLLrG   )rC   rD   rE   r	  rQ  r  r  s   @rH   r  r    sN        
 
 
 
 
M M M M M M MrG   r  c                   :     e Zd Z ed          Zd Z fdZ xZS )r7   zPositive big integerc                     dS )Nr7   rF   rp   s    rH   rH  z)PositiveBigIntegerField.get_internal_type  s    ((rG   c                 >     t                      j        di ddi|S Nr  r   rF   r   r  r  s     rH   r  z!PositiveBigIntegerField.formfield  :     uww  
 
Q
 
 	
rG   rC   rD   rE   ro   r  rH  r  r  r  s   @rH   r7   r7     sW        !*++K) ) )
 
 
 
 
 
 
 
 
rG   r7   c                   :     e Zd Z ed          Zd Z fdZ xZS )r8   zPositive integerc                     dS )Nr8   rF   rp   s    rH   rH  z&PositiveIntegerField.get_internal_type	  s    %%rG   c                 >     t                      j        di ddi|S r  r  r  s     rH   r  zPositiveIntegerField.formfield	  r  rG   r  r  s   @rH   r8   r8   	  sW        !&''K& & &
 
 
 
 
 
 
 
 
rG   r8   c                   :     e Zd Z ed          Zd Z fdZ xZS )r9   zPositive small integerc                     dS )Nr9   rF   rp   s    rH   rH  z+PositiveSmallIntegerField.get_internal_type	  s    **rG   c                 >     t                      j        di ddi|S r  r  r  s     rH   r  z#PositiveSmallIntegerField.formfield	  r  rG   r  r  s   @rH   r9   r9   	  sW        !,--K+ + +
 
 
 
 
 
 
 
 
rG   r9   c                   h     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)rx   r   allow_unicodec                    || _         | j         rt          j        g| _         t	                      j        |||d| d S )N)rx   r   )r  r   validate_unicode_slugr*  r   r   )rq   rx   r   r  r   r   rV   s         rH   r   zSlugField.__init__#	  sP     + 	I'1'G&HD#$:SSFSSSSSrG   c                     t                                                      \  }}}}|                    d          dk    r|d= | j        du rd|d<   n|d= | j        dur
| j        |d<   ||||fS )Nrx   r  Fr   r  )r   r   r   r   r  r	  s        rH   r   zSlugField.deconstruct+	  s    #(77#6#6#8#8 dD&::l##r))|$=E!!!&F:z"U**&*&8F?#T4''rG   c                     dS )Nr:   rF   rp   s    rH   rH  zSlugField.get_internal_type7	  r  rG   c                 ^     t                      j        di t          j        | j        d|S )N)r  r  rF   )r   r  r   r:   r  r  s     rH   r  zSlugField.formfield:	  sG     uww  
 
#o!%!3  
 
 	
rG   )rC   rD   rE   r   validate_slugr*  ro   r  r   r   rH  r  r  r  s   @rH   r:   r:   	  s        $23!122K !#TT T T T T T T
( 
( 
( 
( 
(  
 
 
 
 
 
 
 
 
rG   r:   c                   ~     e Zd Z ed          Zdd fd
Z fdZd Z fdZd Z	d	 Z
 fd
Z fdZ fdZ xZS )r=   TextNr  c                H     t                      j        |i | || _        d S rM   )r   r   r  r  s       rH   r   zTextField.__init__G	  s-    $)&)))(rG   c                     |                     d          pg }g  t                      j        di ||                     |          S r  )r   r   r   r  r  s      rH   r   zTextField.checkK	  sW    JJ{++1r	
UWW]$$V$$
%%i00
 	
rG   c                    g }|D ]}t          j        || j                  st          |         }| j        Qd| j        j        j        v s>|j        j        s2|	                    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  rO   r   r   r)  r   r
   r   r   r  s        rH   r  zTextField._check_db_collationR	  r  rG   c                 ^    t                                          |          }| j        |d<   |S r  r  r  s      rH   rY  zTextField.db_parametersh	  r  rG   c                     dS )Nr=   rF   rp   s    rH   rH  zTextField.get_internal_typem	  r  rG   c                 R    t          |t                    s||S t          |          S rM   r  r   s     rH   r!  zTextField.to_pythonp	  r  rG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zTextField.get_prep_valueu	  r  rG   c                 v     t                      j        di d| j        i| j        i ndt          j        i|S )Nrx   r  rF   )r   r  rx   rc   r   Textarear  s     rH   r  zTextField.formfieldy	  sZ     !uww  
 
do122%.7Q 
 
 	
rG   c                 |    t                                                      \  }}}}| j        r
| j        |d<   ||||fS r  r  r	  s        rH   r   zTextField.deconstruct	  r
  rG   )rC   rD   rE   ro   r  r   r   r  rY  rH  r!  r  r  r   r  r  s   @rH   r=   r=   D	  s        !F))K+/ ) ) ) ) ) ) )
 
 
 
 
  ,    
    
% % % % %

 

 

 

 

( ( ( ( ( ( ( ( (rG   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TimeNc                 x    ||c| _         | _        |s|r
d|d<   d|d<    t                      j        ||fi | d S r3  r4  r5  s         rH   r   zTimeField.__init__	  r6  rG   c                 ^   |                                  sg S | j        }t          |t          j                  rd}n]t          |t          j                  rAt                      }t          j                            |                                |          }ng S |                     ||          S )r9  N)r  )	r  r|   r   r  timer  combiner*  r.  )rq   r   r  s      rH   r  z"TimeField._check_fix_default_value	  s    
 !! 	IeX.// 		CCx}-- 	 ""C %--chhjj%@@EE I))%S)999rG   c                     t                                                      \  }}}}| j        dur
| j        |d<   | j        dur
| j        |d<   | j        s| j        r|d= |d= ||||fS )NFr!  r   r`   re   r;  r	  s        rH   r   zTimeField.deconstruct	  s    #(77#6#6#8#8 dD&=%%!%F:E))%)%6F>"= 	#D- 	#wz"T4''rG   c                     dS )Nr>   rF   rp   s    rH   rH  zTimeField.get_internal_type	  r  rG   c                 t   |d S t          |t          j                  r|S t          |t          j                  r|                                S 	 t          |          }||S n2# t          $ r% t          j        | j        d         dd|i          w xY wt          j        | j        d         dd|i          )Nr2  r   r5  r  )r   r  r6  r   r   r   r.  rf   r  s      rH   r!  zTimeField.to_python	  s    =4eX]++ 	LeX.// 	  ::<<		&&F! " 	 	 	,#N3#'   	 (	*U#
 
 
 	
s   A$ $/Bc                     | j         s	| j        rJ|rHt          j                                                                        }t          || j        |           |S t                                          ||          S rM   )	r!  r   r  r  r6  ro  rh  r   r}  rE  s       rH   r}  zTimeField.pre_save	  sq    = 	9T. 	93 	9%))++0022ENDL%888L77##NC888rG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zTimeField.get_prep_value	  r  rG   c                 d    |s|                      |          }|j                            |          S rM   )r  rB  adapt_timefield_valuer  s       rH   r  zTimeField.get_db_prep_value	  rM  rG   c                 \    |                      |          }|dn|                                S rO  rP  rR  s      rH   r  zTimeField.value_to_string	  rT  rG   c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r>   r  s     rH   r  zTimeField.formfield	  rW  rG   rX  r  )rC   rD   rE   r  ro   r#  r  r   r  r   rH  r!  r}  r  r  r  r  r  r  s   @rH   r>   r>   	  sD       !1*
 
 ?
 
	 	 !F))K JO7 7 7 7 7 7: : :,	( 	( 	( 	( 	(  
 
 
89 9 9 9 9% % % % %; ; ; ;6 6 6
 
 
 
 
 
 
 
 
rG   r>   c                   j     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?   URLNc                 j    |                     dd            t                      j        ||fi | d S Nrx      r  )rq   rl   ru   r   rV   s       rH   r   zURLField.__init__
  s@    ,,,,t66v66666rG   c                     t                                                      \  }}}}|                    d          dk    r|d= ||||fS rD  )r   r   r   r	  s        rH   r   zURLField.deconstruct

  sO    #(77#6#6#8#8 dD&::l##s**|$T4''rG   c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r?   r  s     rH   r  zURLField.formfield
  s>     !uww  
 
en
 
 	
rG   r  )rC   rD   rE   r   URLValidatorr*  ro   r  r   r   r  r  r  s   @rH   r?   r?   
  s        1*1334!E((K7 7 7 7 7 7( ( ( ( (
 
 
 
 
 
 
 
 
rG   r?   c                        e Zd Z ed          ZddgZ fdZ fdZd Z fdZ	d Z
d	 Z fd
Zd fd	Zd Zd Z xZS )r%   zRaw binary dataNrG   c                     |                     dd            t                      j        |i | | j        3| j                            t	          j        | j                             d S d S )Nre   F)r  r   r   rx   r   r   r  r  s      rH   r   zBinaryField.__init__
  sn    *e,,,$)&)))?&O"":#@#Q#QRRRRR '&rG   c                 b    g  t                      j        di ||                                 S r   )r   r   _check_str_default_valuer  s     rH   r   zBinaryField.check%
  s5    K((((K4+H+H+J+JKKrG   c                     |                                  r2t          | 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   rp   s    rH   rL  z$BinaryField._check_str_default_value(
  sY     	*T\3"?"? 	'$	    	rG   c                 z    t                                                      \  }}}}| j        rd|d<   n|d= ||||fS )NTre   )r   r   re   r	  s        rH   r   zBinaryField.deconstruct4
  sO    #(77#6#6#8#8 dD&= 	#!%F:z"T4''rG   c                     dS )Nr%   rF   rp   s    rH   rH  zBinaryField.get_internal_type<
  s    }rG   c                 6    |j                             |          S rM   )rB  binary_placeholder_sql)rq   r   r   r   s       rH   get_placeholderzBinaryField.get_placeholder?
  s    ~44U;;;rG   c                     |                                  rt          | j                  s| j        S t                                                      }|dk    rdS |S )NrK   rG   )r  r   r|   r   r  )rq   r|   rV   s     rH   r  zBinaryField.get_defaultB
  sX     	 ht|&<&< 	 <''%%''b==3rG   Fc                     t                                          |||          }||j                            |          S |S rM   )r   r  DatabaseBinaryr  s       rH   r  zBinaryField.get_db_prep_valueJ
  s@    ))%XFF&--e444rG   c                 l    t          |                     |                                        d          S )z#Binary data is serialized as base64ascii)r   r  decoder  s     rH   r  zBinaryField.value_to_stringP
  s,    //4455<<WEEErG   c                     t          |t                    r/t          t          |                    d                              S |S )NrX  )r   r   
memoryviewr   encoder   s     rH   r!  zBinaryField.to_pythonT
  s<    eS!! 	@iW(=(=>>???rG   r  )rC   rD   rE   ro   r  r-  r   r   rL  r   rH  rR  r  r  r  r!  r  r  s   @rH   r%   r%   
  s       !%&&K#;LS S S S SL L L L L
 
 
( ( ( ( (  < < <         F F F      rG   r%   c                        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 )r@   r  u$   “%(value)s” is not a valid UUID.zUniversally unique identifierFNc                 F    d|d<    t                      j        |fi | d S )N    rx   r  )rq   rl   r   rV   s      rH   r   zUUIDField.__init__b
  s2    !|0000000rG   c                 `    t                                                      \  }}}}|d= ||||fS r  r  r	  s        rH   r   zUUIDField.deconstructf
  r  rG   c                     dS )Nr@   rF   rp   s    rH   rH  zUUIDField.get_internal_typek
  r  rG   c                 p    t                                          |          }|                     |          S rM   r  r  s     rH   r  zUUIDField.get_prep_valuen
  r  rG   c                     |d S t          |t          j                  s|                     |          }|j        j        r|S |j        S rM   )r   uuidUUIDr!  r   has_native_uuid_fieldhexr  s       rH   r  zUUIDField.get_db_prep_valuer
  sL    =4%++ 	*NN5))E4 	LyrG   c                 
   |t          |t          j                  sft          |t                    rdnd}	 t          j        di ||iS # t          t
          f$ r% t          j        | j        d         dd|i          w xY w|S )Nr  rg  r  r   r5  rF   )	r   rd  re  r  rl  r   r   r.  rf   )rq   r   
input_forms      rH   r!  zUUIDField.to_python|
  s    Zty%A%A",UC"8"8CeJy77J#6777"J/    0'	2"#U+    s   A
 
6B c                 R     t                      j        di dt          j        i|S rV  )r   r  r   r@   r  s     rH   r  zUUIDField.formfield
  rW  rG   rM   r  )rC   rD   rE   ro   r#  r  r  r   r   rH  r  r  r!  r  r  r  s   @rH   r@   r@   [
  s        11;<< !344K!1 1 1 1 1 1( ( ( ( (
  % % % % %     
 
 
 
 
 
 
 
 
rG   r@   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|d<    t                      j        |i | d S )NTr`   r  r  s      rH   r   zAutoFieldMixin.__init__
  s.    w$)&)))))rG   c                 b    g  t                      j        di ||                                 S r   )r   r   _check_primary_keyr  s     rH   r   zAutoFieldMixin.check
  s?    
UWW]$$V$$
$$&&
 	
rG   c                 D    | j         st          j        d| d          gS g S )Nz%AutoFields must set primary_key=True.zfields.E100r   )rw   r
   r   rp   s    rH   ro  z!AutoFieldMixin._check_primary_key
  s;     		;$    IrG   c                 j    t                                                      \  }}}}|d= d|d<   ||||fS )Nr`   Trw   r  r	  s        rH   r   zAutoFieldMixin.deconstruct
  sA    #(77#6#6#8#8 dD&7O $}T4''rG   c                     d S rM   rF   r>  s      rH   r<  zAutoFieldMixin.validate
  s    rG   Fc                 h    |s/|                      |          }|j                            |          }|S rM   )r  rB  validate_autopk_valuer  s       rH   r  z AutoFieldMixin.get_db_prep_value
  s8     	@''..EN88??ErG   c                     |j         j        rt          d|j         j        z             t	                      j        ||fi | | |j         _        d S )Nz7Model %s can't have more than one auto-generated field.)rO   
auto_fieldr   r   r   rs  rI  s       rH   rs  z"AutoFieldMixin.contribute_to_class
  sd    9 	I)/"   	$#C88888#	rG   c                     d S rM   rF   r   s     rH   r  zAutoFieldMixin.formfield
  s    trG   r  )rC   rD   rE   rd  r   r   ro  r   r<  r  rs  r  r  r  s   @rH   rl  rl  
  s        L* * * * *
 
 
 
 

 
 
( ( ( ( (     $ $ $ $ $      rG   rl  c                   B     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 rM   )r#   r;   rp   s    rH   _subclasseszAutoFieldMeta._subclasses
  s    n--rG   c                 p    t          || j                  p t                                          |          S rM   )r   r{  r   __instancecheck__)rq   r  rV   s     rH   r}  zAutoFieldMeta.__instancecheck__
  6    (D$455 
9R9R:
 :
 	
rG   c                 p    t          || j                  p t                                          |          S rM   )r  r{  r   __subclasscheck__)rq   subclassrV   s     rH   r  zAutoFieldMeta.__subclasscheck__
  r~  rG   )	rC   rD   rE   r  r  r{  r}  r  r  r  s   @rH   ry  ry  
  sv           . . X.
 
 
 
 


 
 
 
 
 
 
 
 
rG   ry  c                       e Zd Zd Zd ZdS )r!   c                     dS )Nr!   rF   rp   s    rH   rH  zAutoField.get_internal_type
  r  rG   c                 F    t                                          |          S Nr  )r4   rO  rD  s     rH   rQ  zAutoField.rel_db_type
  s    ~~%%%<<<rG   NrC   rD   rE   rH  rQ  rF   rG   rH   r!   r!   
  s2          = = = = =rG   r!   )	metaclassc                       e Zd Zd Zd ZdS )r#   c                     dS )Nr#   rF   rp   s    rH   rH  zBigAutoField.get_internal_type
  r  rG   c                 F    t                                          |          S r  )r$   rO  rD  s     rH   rQ  zBigAutoField.rel_db_type
  s      ((J(???rG   Nr  rF   rG   rH   r#   r#   
  s7          @ @ @ @ @rG   r#   c                       e Zd Zd Zd ZdS )r;   c                     dS )Nr;   rF   rp   s    rH   rH  z SmallAutoField.get_internal_type
  r  rG   c                 F    t                                          |          S r  )r<   rO  rD  s     rH   rQ  zSmallAutoField.rel_db_type
  s     ""**j*AAArG   Nr  rF   rG   rH   r;   r;   
  s7             B B B B BrG   r;   )dcollections.abcr   r  r  r  r  rd  re  base64r   r   	functoolsr   r   djangor   django.appsr   django.confr	   django.corer
   r   r   	django.dbr   r   r   django.db.models.constantsr   django.db.models.query_utilsr   r   django.utilsr   django.utils.datastructuresr   django.utils.dateparser   r   r   r   django.utils.durationr   r   django.utils.functionalr   r   django.utils.ipv6r   django.utils.itercompatr   django.utils.textr   django.utils.translationr    ro   __all__r.   r5   r"   rT   rY   r[   r/   r&   r'   r(   r  r  r  r)   r*   r+   r,   r-   r0   r1   r4   r$   r<   r3   r2   r6   r  r7   r8   r9   r:   r=   r>   r?   r%   r@   rl  rV  ry  r!   r#   r;   rF   rG   rH   <module>r     s             ' ' ' ' ' ' ' ' 3 3 3 3 3 3 3 3                         6 6 6 6 6 6 6 6 6 6 5 5 5 5 5 5 5 5 5 5 1 1 1 1 1 1 O O O O O O O O ! ! ! ! ! ! 3 3 3 3 3 3            I H H H H H H H < < < < < < < < 0 0 0 0 0 0 / / / / / / & & & & & & 6 6 6 6 6 6! ! !H	 	 	 	 	 	 	 		 	 	 	 	 	 	 	 '' M M M(     O* O* O* O* O* O* O* O*d+; +; +; +; +;5 +; +; +;\o( o( o( o( o( o( o( o(d          % % %F F F F F F F FRD
 D
 D
 D
 D
"E D
 D
 D
NG
 G
 G
 G
 G
I G
 G
 G
TX
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5 X
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v>
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 >
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B
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 
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 
4I I I I IE I I IX'
 '
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Ta
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H
 
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l 
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 
"# # # # # # # #         U      >Z
 Z
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E Z
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 Z
z( ( ( ( (| ( ( (6M M M M M M M M8
 
 
 
 
;_ 
 
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
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8, 
 
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
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 =?P 
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"
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JE( E( E( E( E( E( E( E(Ps
 s
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l
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y 
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2= = = = =% = = =@4
 4
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 4
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n2 2 2 2 2 2 2 2j
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@= = = = = = = = =@ @ @ @ @>? @ @ @B B B B B^%6 B B B B BrG   