U
    eW                     @   s  d dl Z d dlZd dlmZ d dlmZmZ d dlmZ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mZmZ d d	lmZ d d
lmZ ddlmZ ddlmZ dgZG dd deeZ dOddZ!G dd deeZ"G dd deeZ#G dd deZ$G dd de$Z%G dd de$Z&G dd de&Z'G dd  d e%Z(G d!d" d"Z)G d#d$ d$ej*Z+G d%d& d&e)ej,Z-e .e" e .e# e .e% e .e& e .e' e .e+ e .e- G d'd( d(eZ/G d)d* d*e/Z0e0j1Z2G d+d, d,Z3G d-d. d.ej4Z5G d/d0 d0ej6Z7G d1d2 d2e+Z8G d3d4 d4e)e3ej9Z:G d5d6 d6e)e3ej,Z;G d7d8 d8e3ej<Z=G d9d: d:e)e3ej>Z?G d;d< d<e3ej@ZAG d=d> d>e)e3ejBZCG d?d@ d@e3ejDZEG dAdB dBe)e3ejFZGG dCdD dDZHG dEdF dFeHejIZJG dGdH dHeHejKZLG dIdJ dJeHejMZNG dKdL dLeHejOZPe/.e7 e/.e8 e/.e: e/.e5 e/.e; e/.e= e/.e? e/.eA e/.eC e/.eE e/.eG e/.eJ e/.eL e/.eN e/.eP G dMdN dNZQdS )P    N)forms)checks
exceptions)NotSupportedErrorconnectionsrouter)expressionslookups)
LOOKUP_SEP)	TextField)FieldGetDbPrepValueMixinPostgresOperatorLookup	Transform)RemovedInDjango51Warning)gettext_lazy   )Field)CheckFieldDefaultMixin	JSONFieldc                       s   e Zd ZdZedZdediZdZd fdd	Z fd	d
Z	dd Z
 fddZdd Zdd Zd ddZdd Z fddZ fddZdd Z fddZ  ZS )!r   FzA JSON objectinvalidzValue must be valid JSON.)dictz{}Nc                    sJ   |rt |std|r(t |s(td|| _|| _t j||f| d S )Nz0The encoder parameter must be a callable object.z0The decoder parameter must be a callable object.)callable
ValueErrorencoderdecodersuper__init__)selfZverbose_namenamer   r   kwargs	__class__ @/tmp/pip-unpacked-wheel-lctamlir/django/db/models/fields/json.pyr       s    zJSONField.__init__c                    s0   t  jf |}|dpg }|| | |S )N	databases)r   checkgetextend_check_supported)r   r   errorsr$   r    r"   r#   r%   0   s    zJSONField.checkc                 C   sz   g }|D ]l}t || jsqt| }| jjjr@| jjj|jkr@qd| jjjks|jj	s|
tjd|j | jdd q|S )Nsupports_json_fieldz%s does not support JSONFields.zfields.E180)objid)r   Zallow_migrate_modelmodelr   Z_metaZrequired_db_vendorvendorZrequired_db_featuresfeaturesr*   appendr   ErrorZdisplay_name)r   r$   r)   db
connectionr"   r"   r#   r(   6   s,    zJSONField._check_supportedc                    sF   t   \}}}}| jd k	r&| j|d< | jd k	r:| j|d< ||||fS )Nr   r   )r   deconstructr   r   )r   r   pathargsr   r    r"   r#   r4   N   s    



zJSONField.deconstructc                 C   sV   |d kr|S t |tr$t |ts$|S ztj|| jdW S  tjk
rP   | Y S X d S )Ncls)
isinstanceKeyTransformstrjsonloadsr   JSONDecodeError)r   valueZ
expressionr3   r"   r"   r#   from_db_valueV   s    zJSONField.from_db_valuec                 C   s   dS )Nr   r"   r   r"   r"   r#   get_internal_typeb   s    zJSONField.get_internal_typec                 C   s   |s|  |}t|tjrt|jtr~t|jts~ztj	|j| j
d}W n tjk
rd   |j}Y qX tjd|dtd qt|jtr|j}q|S nt|dr|S |j|| jS )Nr7   zFProviding an encoded JSON string via Value() is deprecated. Use Value(z$, output_field=JSONField()) instead.)categoryas_sql)Zget_prep_valuer9   r   Valuer?   r;   output_fieldr   r<   r=   r   r>   warningswarnr   hasattropsZadapt_json_valuer   )r   r?   r3   preparedr"   r"   r#   get_db_prep_valuee   s*    
 

zJSONField.get_db_prep_valuec                 C   s   |d kr|S |  ||S N)rL   )r   r?   r3   r"   r"   r#   get_db_prep_save   s    zJSONField.get_db_prep_savec                    s   t  |}|r|S t|S rM   )r   get_transformKeyTransformFactory)r   r   	transformr    r"   r#   rO      s    zJSONField.get_transformc                    sV   t  || ztj|| jd W n. tk
rP   tj| jd dd|idY nX d S )Nr7   r   r?   )codeparams)	r   validater<   dumpsr   	TypeErrorr   ZValidationErrorZerror_messages)r   r?   Zmodel_instancer    r"   r#   rT      s    zJSONField.validatec                 C   s
   |  |S rM   )Zvalue_from_object)r   r+   r"   r"   r#   value_to_string   s    zJSONField.value_to_stringc                    s    t  jf tj| j| jd|S )N)Z
form_classr   r   )r   	formfieldr   r   r   r   )r   r   r    r"   r#   rX      s    zJSONField.formfield)NNNN)F)__name__
__module____qualname__Zempty_strings_allowed_descriptionZdefault_error_messagesZ_default_hintr   r%   r(   r4   r@   rB   rL   rN   rO   rT   rW   rX   __classcell__r"   r"   r    r#   r      s,        
 Tc              	   C   sl   |r
dgng }| D ]N}zt |}W n. tk
rP   |d |t| Y qX |d|  qd|S )N$.z[%s] )intr   r0   r<   rU   join)key_transformsinclude_rootr5   key_transformnumr"   r"   r#   compile_json_path   s    
rh   c                   @   s   e Zd ZdZdZdd ZdS )DataContainscontainsz@>c                 C   sP   |j jstd| ||\}}| ||\}}t|t| }d||f |fS )Nz:contains lookup is not supported on this database backend.JSON_CONTAINS(%s, %s)r/   Zsupports_json_field_containsr   process_lhsprocess_rhstupler   compilerr3   lhs
lhs_paramsrhs
rhs_paramsrS   r"   r"   r#   rD      s    zDataContains.as_sqlNrY   rZ   r[   lookup_namepostgres_operatorrD   r"   r"   r"   r#   ri      s   ri   c                   @   s   e Zd ZdZdZdd ZdS )ContainedByZcontained_byz<@c                 C   sP   |j jstd| ||\}}| ||\}}t|t| }d||f |fS )Nz>contained_by lookup is not supported on this database backend.rk   rl   rp   r"   r"   r#   rD      s    zContainedBy.as_sqlNrv   r"   r"   r"   r#   ry      s   ry   c                       sJ   e Zd ZdZdd ZdddZdd Zdd	 Z fd
dZdd Z	  Z
S )HasKeyLookupNc                 C   s   dt | S )Nz.%s)r<   rU   r   rf   r"   r"   r#   compile_json_path_final_key   s    z(HasKeyLookup.compile_json_path_final_keyc                 C   s   t | jtr*| j||\}}}t|}n| ||\}}d}|| }| j}	g }
t |	ttfsd|	g}	|	D ]Z}t |tr|||^ }}n|g}|^ }}t|dd}|| 	|7 }|

||  qh| jrd| j|gt|
  }|t|t|
 fS )Nr_   Fre   z(%s))r9   rr   r:   preprocess_lhsrh   rm   rt   listro   r|   r0   logical_operatorrc   len)r   rq   r3   templaterr   rs   Zlhs_key_transformsZlhs_json_pathsqlrt   ru   keyr\   rhs_key_transformsZ	final_keyZrhs_json_pathr"   r"   r#   rD      s0     



zHasKeyLookup.as_sqlc                 C   s   | j ||ddS )Nz"JSON_CONTAINS_PATH(%s, 'one', %%s)r   rD   r   rq   r3   r"   r"   r#   as_mysql   s
      zHasKeyLookup.as_mysqlc                 C   s$   | j ||dd\}}|t| g fS )NzJSON_EXISTS(%s, '%%s')r   )rD   ro   )r   rq   r3   r   rS   r"   r"   r#   	as_oracle   s      
zHasKeyLookup.as_oraclec                    sX   t | jtrJ| j||^ }}|d d D ]}t|| j| _q,|d | _t ||S )N)r9   rt   r:   r~   rr   r   as_postgresql)r   rq   r3   r\   r   r   r    r"   r#   r     s    
zHasKeyLookup.as_postgresqlc                 C   s   | j ||ddS )NJSON_TYPE(%s, %%s) IS NOT NULLr   r   r   r"   r"   r#   	as_sqlite  s
      zHasKeyLookup.as_sqlite)N)rY   rZ   r[   r   r|   rD   r   r   r   r   r^   r"   r"   r    r#   rz      s   
rz   c                   @   s   e Zd ZdZdZdZdS )HasKeyZhas_key?FN)rY   rZ   r[   rw   rx   Zprepare_rhsr"   r"   r"   r#   r     s   r   c                   @   s    e Zd ZdZdZdZdd ZdS )HasKeysZhas_keysz?&z AND c                 C   s   dd | j D S )Nc                 S   s   g | ]}t |qS r"   )r;   ).0itemr"   r"   r#   
<listcomp>   s     z+HasKeys.get_prep_lookup.<locals>.<listcomp>)rt   rA   r"   r"   r#   get_prep_lookup  s    zHasKeys.get_prep_lookupN)rY   rZ   r[   rw   rx   r   r   r"   r"   r"   r#   r     s   r   c                   @   s   e Zd ZdZdZdZdS )
HasAnyKeysZhas_any_keysz?|z OR N)rY   rZ   r[   rw   rx   r   r"   r"   r"   r#   r   #  s   r   c                   @   s   e Zd Zdd ZdS )HasKeyOrArrayIndexc                 C   s   t |gddS )NFr}   )rh   r{   r"   r"   r#   r|   *  s    z.HasKeyOrArrayIndex.compile_json_path_final_keyN)rY   rZ   r[   r|   r"   r"   r"   r#   r   )  s   r   c                       s,   e Zd ZdZ fddZ fddZ  ZS )CaseInsensitiveMixinz
    Mixin to allow case-insensitive comparison of JSON values on MySQL.
    MySQL handles strings used in JSON context using the utf8mb4_bin collation.
    Because utf8mb4_bin is a binary collation, comparison of JSON values is
    case-sensitive.
    c                    s0   t  ||\}}|jdkr(d| |fS ||fS Nmysqlz	LOWER(%s))r   rm   r.   )r   rq   r3   rr   rs   r    r"   r#   rm   6  s    
z CaseInsensitiveMixin.process_lhsc                    s0   t  ||\}}|jdkr(d| |fS ||fS r   )r   rn   r.   r   rq   r3   rt   ru   r    r"   r#   rn   <  s    
z CaseInsensitiveMixin.process_rhs)rY   rZ   r[   __doc__rm   rn   r^   r"   r"   r    r#   r   .  s   r   c                       s    e Zd ZdZ fddZ  ZS )	JSONExactTc                    sV   t  ||\}}|dkr*|d gkr*dg}|jdkrNdgt| }|t|; }||fS )N%snullr   JSON_EXTRACT(%s, '$'))r   rn   r.   r   ro   )r   rq   r3   rt   ru   funcr    r"   r#   rn   F  s    
zJSONExact.process_rhs)rY   rZ   r[   Zcan_use_none_as_rhsrn   r^   r"   r"   r    r#   r   C  s   r   c                   @   s   e Zd ZdS )JSONIContainsNrY   rZ   r[   r"   r"   r"   r#   r   Q  s   r   c                       sL   e Zd ZdZdZ fddZdd Zdd Zd	d
 Zdd Z	dd Z
  ZS )r:   z->z#>c                    s   t  j|| t|| _d S rM   )r   r   r;   key_name)r   r   r6   r   r    r"   r#   r   b  s    zKeyTransform.__init__c                 C   s^   | j g}| j}t|tr.|d|j  |j}q||\}}|jdkrTdd |D }|||fS )Nr   oraclec                 S   s   g | ]}| d dqS )%z%%)replace)r   r   r"   r"   r#   r   o  s     z/KeyTransform.preprocess_lhs.<locals>.<listcomp>)r   rr   r9   r:   insertcompiler.   )r   rq   r3   rd   previousrr   rS   r"   r"   r#   r~   f  s    

zKeyTransform.preprocess_lhsc                 C   s0   |  ||\}}}t|}d| t||f fS )NzJSON_EXTRACT(%s, %%s)r~   rh   ro   r   rq   r3   rr   rS   rd   	json_pathr"   r"   r#   r   r  s    zKeyTransform.as_mysqlc                 C   s6   |  ||\}}}t|}d||fd  t|d fS )Nz4COALESCE(JSON_QUERY(%s, '%s'), JSON_VALUE(%s, '%s'))   r   r   r"   r"   r#   r   w  s    

zKeyTransform.as_oraclec                 C   s   |  ||\}}}t|dkr>d|| jf }|t||f fS zt| j}W n tk
rf   | j}Y nX d|| jf t||f fS )Nr   z(%s %s %%s))r~   r   postgres_nested_operatorro   rb   r   r   rx   )r   rq   r3   rr   rS   rd   r   lookupr"   r"   r#   r     s    zKeyTransform.as_postgresqlc                 C   sT   |  ||\}}}t|}ddd |jjD }d||||f t||f d fS )N,c                 S   s   g | ]}t |qS r"   )repr)r   datatyper"   r"   r#   r     s     z*KeyTransform.as_sqlite.<locals>.<listcomp>z](CASE WHEN JSON_TYPE(%s, %%s) IN (%s) THEN JSON_TYPE(%s, %%s) ELSE JSON_EXTRACT(%s, %%s) END)   )r~   rh   rc   rJ   jsonfield_datatype_valuesro   )r   rq   r3   rr   rS   rd   r   Zdatatype_valuesr"   r"   r#   r     s    
zKeyTransform.as_sqlite)rY   rZ   r[   rx   r   r   r~   r   r   r   r   r^   r"   r"   r    r#   r:   ^  s   r:   c                       s6   e Zd ZdZdZe Z fddZedd Z	  Z
S )KeyTextTransformz->>z#>>c                    sX   |j r$t ||\}}d| |fS | ||\}}}t|}d| t||f fS d S )NJSON_UNQUOTE(%s)z(%s ->> %%s))mysql_is_mariadbr   r   r~   rh   ro   )r   rq   r3   r   rS   rr   rd   r   r    r"   r#   r     s    zKeyTextTransform.as_mysqlc                 C   s2   | t^}}|std|D ]}| ||}q|S )Nz,Lookup must contain key or index transforms.)splitr
   r   )r8   r   rQ   keysr   r"   r"   r#   from_lookup  s    zKeyTextTransform.from_lookup)rY   rZ   r[   rx   r   r   rF   r   classmethodr   r^   r"   r"   r    r#   r     s   
r   c                       s    e Zd ZdZ fddZ  ZS )KeyTransformTextLookupMixinz
    Mixin for combining with a lookup expecting a text lhs from a JSONField
    key lookup. On PostgreSQL, make use of the ->> operator instead of casting
    key values to text and performing the lookup on the resulting
    representation.
    c                    s@   t |tstdt|jf|j|j}t j|f|| d S )NzLTransform should be an instance of KeyTransform in order to use this lookup.)	r9   r:   rV   r   r   Zsource_expressionsextrar   r   )r   rf   r6   r   Zkey_text_transformr    r"   r#   r     s    
z$KeyTransformTextLookupMixin.__init__)rY   rZ   r[   r   r   r^   r"   r"   r    r#   r     s   r   c                   @   s   e Zd Zdd Zdd ZdS )KeyTransformIsNullc                 C   s\   t | jj| jj||\}}| js,||fS | j||\}}}d||f t|t| fS )Nz(NOT %s OR %s IS NULL))r   rr   r   r   rt   r~   ro   )r   rq   r3   r   rS   rr   rs   r\   r"   r"   r#   r     s     zKeyTransformIsNull.as_oraclec                 C   s,   d}| j sd}t| jj| jjj|||dS )NzJSON_TYPE(%s, %%s) IS NULLr   r   )rt   r   rr   r   rD   )r   rq   r3   r   r"   r"   r#   r     s    zKeyTransformIsNull.as_sqliteN)rY   rZ   r[   r   r   r"   r"   r"   r#   r     s   r   c                       s   e Zd Z fddZ  ZS )KeyTransformInc                    s   t  ||||\}}t|ds|jjs|jdkrbt|}d}t|t	t
frX|d; }q|d; }n(|jdks|jdkr|d |jjkrd	}|jdkr|jrd
| }||fS )NrD   r   9%s(JSON_OBJECT('value' VALUE %%s FORMAT JSON), '$.value')
JSON_QUERY
JSON_VALUEr   sqliter   r   r   )r   resolve_expression_parameterrI   r/   has_native_json_fieldr.   r<   r=   r9   r   r   rJ   r   r   )r   rq   r3   r   paramrS   r?   r    r"   r#   r     s2    




z+KeyTransformIn.resolve_expression_parameter)rY   rZ   r[   r   r^   r"   r"   r    r#   r     s   r   c                       s(   e Zd Z fddZ fddZ  ZS )KeyTransformExactc                    s   t | jtr ttj| ||S t ||\}}|jdkrg }d}|D ]:}t	|}t |t
tfrt||d  qH||d  qH|t|; }nF|jdkrg }|D ]&}||jjkr|d q|d q|t|; }||fS )Nr   r   r   r   r   r   r   )r9   rt   r:   r   r	   Exactrn   r.   r<   r=   r   r   r0   ro   rJ   r   )r   rq   r3   rt   ru   r   r   r?   r    r"   r#   rn     s(    


zKeyTransformExact.process_rhsc                    s   t  ||\}}|dgkr~t| jj| jj}|||\}}| jd| jd}|||\}	}
d||	f t|t|
 fS t  ||S )Nr   ZisnullTz	%s AND %s)	r   rn   r   rr   r   r   Z
get_lookuprD   ro   )r   rq   r3   rt   ru   Zhas_key_exprZhas_key_sqlZhas_key_paramsZis_null_exprZis_null_sqlZis_null_paramsr    r"   r#   r     s    

zKeyTransformExact.as_oracle)rY   rZ   r[   rn   r   r^   r"   r"   r    r#   r     s   r   c                   @   s   e Zd ZdS )KeyTransformIExactNr   r"   r"   r"   r#   r   %  s   r   c                   @   s   e Zd ZdS )KeyTransformIContainsNr   r"   r"   r"   r#   r   +  s   r   c                   @   s   e Zd ZdS )KeyTransformStartsWithNr   r"   r"   r"   r#   r   1  s   r   c                   @   s   e Zd ZdS )KeyTransformIStartsWithNr   r"   r"   r"   r#   r   5  s   r   c                   @   s   e Zd ZdS )KeyTransformEndsWithNr   r"   r"   r"   r#   r   ;  s   r   c                   @   s   e Zd ZdS )KeyTransformIEndsWithNr   r"   r"   r"   r#   r   ?  s   r   c                   @   s   e Zd ZdS )KeyTransformRegexNr   r"   r"   r"   r#   r   E  s   r   c                   @   s   e Zd ZdS )KeyTransformIRegexNr   r"   r"   r"   r#   r   I  s   r   c                       s   e Zd Z fddZ  ZS )KeyTransformNumericLookupMixinc                    s0   t  ||\}}|jjs(dd |D }||fS )Nc                 S   s   g | ]}t |qS r"   )r<   r=   )r   r?   r"   r"   r#   r   S  s     z>KeyTransformNumericLookupMixin.process_rhs.<locals>.<listcomp>)r   rn   r/   r   r   r    r"   r#   rn   P  s    z*KeyTransformNumericLookupMixin.process_rhs)rY   rZ   r[   rn   r^   r"   r"   r    r#   r   O  s   r   c                   @   s   e Zd ZdS )KeyTransformLtNr   r"   r"   r"   r#   r   W  s   r   c                   @   s   e Zd ZdS )KeyTransformLteNr   r"   r"   r"   r#   r   [  s   r   c                   @   s   e Zd ZdS )KeyTransformGtNr   r"   r"   r"   r#   r   _  s   r   c                   @   s   e Zd ZdS )KeyTransformGteNr   r"   r"   r"   r#   r   c  s   r   c                   @   s   e Zd Zdd Zdd ZdS )rP   c                 C   s
   || _ d S rM   )r   )r   r   r"   r"   r#   r   z  s    zKeyTransformFactory.__init__c                 O   s   t | jf||S rM   )r:   r   )r   r6   r   r"   r"   r#   __call__}  s    zKeyTransformFactory.__call__N)rY   rZ   r[   r   r   r"   r"   r"   r#   rP   y  s   rP   )T)Rr<   rG   Zdjangor   Zdjango.corer   r   Z	django.dbr   r   r   Zdjango.db.modelsr   r	   Zdjango.db.models.constantsr
   Zdjango.db.models.fieldsr   Zdjango.db.models.lookupsr   r   r   Zdjango.utils.deprecationr   Zdjango.utils.translationr   r\   ra   r   Zmixinsr   __all__r   rh   ri   ry   rz   r   r   r   r   r   r   r   Z	IContainsr   Zregister_lookupr:   r   r   KTr   ZIsNullr   ZInr   r   ZIExactr   r   Z
StartsWithr   ZIStartsWithr   ZEndsWithr   Z	IEndsWithr   Regexr   ZIRegexr   r   ZLessThanr   ZLessThanOrEqualr   ZGreaterThanr   ZGreaterThanOrEqualr   rP   r"   r"   r"   r#   <module>   s    
@	






8(
  
  
  
  
  














