o
    e `                     @   s  d dl Z d dlZd dlmZ d dlmZmZmZmZm	Z	 d dl
mZmZmZ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 G d	d
 d
eZG dd deeZG dd deZG dd dZG dd deZG dd deZejG dd deeZ ejG dd deZ!ejG dd deeZ"ejG dd deeZ#ejG dd deeZ$ejG dd  d eeZ%G d!d" d"Z&ejG d#d$ d$e&e#Z'ejG d%d& d&e&e$Z(ejG d'd( d(eeZ)G d)d* d*eZ*ejG d+d, d,e*Z+ejG d-d. d.e+Z,ejG d/d0 d0e*Z-ejG d1d2 d2e-Z.ejG d3d4 d4e*Z/ejG d5d6 d6e/Z0ejG d7d8 d8eeZ1ejG d9d: d:eZ2ejG d;d< d<eZ3ejG d=d> d>e3Z4G d?d@ d@eZ5G dAdB dBe5e Z6G dCdD dDe5e"Z7G dEdF dFe5e#Z8G dGdH dHe5e$Z9G dIdJ dJe5e%Z:G dKdL dLZ;ejG dMdN dNe;e!Z<ejG dOdP dPe;e+Z=ejG dQdR dRe;e,Z>ejG dSdT dTe;e-Z?ejG dUdV dVe;e.Z@ejG dWdX dXe;e/ZAejG dYdZ dZe;e0ZBdS )[    N)EmptyResultSet)Case
ExpressionFuncValueWhen)BooleanField	CharFieldDateTimeFieldFieldIntegerField	UUIDField)RegisterLookupMixin)
OrderedSet)cached_property)make_hashablec                   @   s   e Zd ZdZdZdZdd Zdd Zdd	 Zd,d
dZ	dd Z
dd Zdd Zdd Zdd Zd,ddZdd Zdd Zdd Zdd Zed d! Zed"d# Zd$d% Zd&d' Z	d-d(d)Zd*d+ ZdS ).LookupNTFc                 C   sj   ||| _ | _|  | _|  | _ t| j dr| j  }ng }|r0ddlm} t||r0t	d|| _
d S )Nget_bilateral_transformsr   QueryzBBilateral transformations on nested querysets are not implemented.)lhsrhsget_prep_lookupget_prep_lhshasattrr   django.db.models.sql.queryr   
isinstanceNotImplementedErrorbilateral_transforms)selfr   r   r   r    r    HD:\Projects\ConvertPro\env\Lib\site-packages\django/db/models/lookups.py__init__   s   



zLookup.__init__c                 C   s   | j D ]}||}q|S N)r   )r   valueZ	transformr    r    r!   apply_bilateral_transforms,   s   

z!Lookup.apply_bilateral_transformsc                 C   s   | j j d| jd| jdS )N(, ))	__class____name__r   r   r   r    r    r!   __repr__1   s   zLookup.__repr__c                 C   s   |d u r| j }| jr<g g }}|D ]&}t|| jjd}| |}||j}||\}}	|	| |
|	 q||fS | ||\}
}dgt| |}}||fS )Noutput_field%s)r   r   r   r   r.   r%   resolve_expressionquerycompileappendextendget_db_prep_lookuplen)r   compiler
connectionr   sqlssqls_paramspr$   sqlZ
sql_params_paramsr    r    r!   batch_process_rhs4   s   


zLookup.batch_process_rhsc                 C   s   |   r| jgS | j| jgS r#   )rhs_is_direct_valuer   r   r+   r    r    r!   get_source_expressionsE   s   zLookup.get_source_expressionsc                 C   s*   t |dkr|d | _d S |\| _| _d S )N   r   )r6   r   r   )r   Z	new_exprsr    r    r!   set_source_expressionsJ   s   zLookup.set_source_expressionsc                 C   s`   | j r	t| jdr| jS t| jdr$t| jjdr!| jj| jS | jS |  r-t| jS | jS )Nr0   r.   get_prep_value)prepare_rhsr   r   r   r.   rD   r@   r   r+   r    r    r!   r   P   s   
zLookup.get_prep_lookupc                 C   s   t | jdr	| jS t| jS Nr0   )r   r   r   r+   r    r    r!   r   Z   s   
zLookup.get_prep_lhsc                 C   s
   d|gfS )Nr/   r    )r   r$   r8   r    r    r!   r5   _   s   
zLookup.get_db_prep_lookupc                 C   sL   |p| j }t|dr||j}||\}}t|tr"d| d}||fS )Nr0   r&   r(   )r   r   r0   r1   r2   r   r   )r   r7   r8   r   r<   r>   r    r    r!   process_lhsb   s   


zLookup.process_lhsc                 C   s~   | j }| jr|  rt|| jjd}| |}||j}t	|dr9|
|\}}|r5|d dkr5d| }||fS | ||S )Nr-   as_sqlr   r&   z(%s))r   r   r@   r   r   r.   r%   r0   r1   r   r2   r5   )r   r7   r8   r$   r<   r>   r    r    r!   process_rhsl   s   

zLookup.process_rhsc                 C   s   t | jd S NrH   )r   r   r+   r    r    r!   r@         zLookup.rhs_is_direct_valuec                 C   s$   g }|   D ]	}||  q|S r#   )rA   r4   get_group_by_cols)r   colssourcer    r    r!   rL      s   zLookup.get_group_by_colsc                 C   sh   d}g }| j | jfD ]}|j|rtt|dddd}d}|| q
|r,t| | n| }|||S )NFT)Zthen)default)	r   r   ops0conditional_expression_supported_in_where_clauser   r   r3   typerH   )r   r7   r8   wrappedexprsexprlookupr    r    r!   	as_oracle   s   zLookup.as_oraclec                 C   s   t  S r#   )r   r+   r    r    r!   r.      s   zLookup.output_fieldc                 C   s   | j | j| jfS r#   )r)   r   r   r+   r    r    r!   identity   s   zLookup.identityc                 C   s   t |tstS | j|jkS r#   )r   r   NotImplementedrX   )r   otherr    r    r!   __eq__   s   
zLookup.__eq__c                 C   s   t t| jS r#   )hashr   rX   r+   r    r    r!   __hash__   rK   zLookup.__hash__c                 C   sJ   |   }||_| j||||||_t| jdr#| j||||||_|S rF   )copyZ
is_summaryr   r0   r   r   )r   r1   Zallow_joinsZreuseZ	summarizeZfor_savecr    r    r!   r0      s   

zLookup.resolve_expressionc                 C   s   |j jjsd| d}||fS )Nz
CASE WHEN z THEN 1 ELSE 0 END)r8   featuresZ&supports_boolean_expr_in_select_clause)r   r7   r<   r>   r    r    r!   select_format   s   
zLookup.select_formatr#   )NTNFF)r*   
__module____qualname__lookup_namerE   Zcan_use_none_as_rhsr"   r%   r,   r?   rA   rC   r   r   r5   rG   rI   r@   rL   rW   r   r.   propertyrX   r[   r]   r0   ra   r    r    r    r!   r      s6    






r   c                   @   s,   e Zd ZdZdZdZedd Zdd ZdS )		Transformz
    RegisterLookupMixin() is first so that get_lookup() and get_transform()
    first examine self and then check output_field.
    FrB   c                 C   s   |   d S Nr   )rA   r+   r    r    r!   r      s   zTransform.lhsc                 C   s2   t | jdr| j }ng }| jr|| j |S )Nr   )r   r   r   	bilateralr3   r)   )r   r   r    r    r!   r      s   z"Transform.get_bilateral_transformsN)	r*   rb   rc   __doc__rh   arityre   r   r   r    r    r    r!   rf      s    
rf   c                       s.   e Zd Zd fdd	Zdd Zdd Z  ZS )	BuiltinLookupNc                    sb   t  |||\}}| jj }| jjj|d}|j||| }|j| j	|| }|t
|fS )N)r8   )superrG   r   r.   Zget_internal_typedb_typerP   Zfield_cast_sqlZlookup_castrd   list)r   r7   r8   r   lhs_sqlr>   Zfield_internal_typerm   r)   r    r!   rG      s   zBuiltinLookup.process_lhsc                 C   sF   |  ||\}}| ||\}}|| | ||}d||f |fS Nz%s %s)rG   rI   r4   
get_rhs_op)r   r7   r8   ro   r>   rhs_sql
rhs_paramsr    r    r!   rH      s
   
zBuiltinLookup.as_sqlc                 C      |j | j | S r#   	operatorsrd   r   r8   r   r    r    r!   rr         zBuiltinLookup.get_rhs_opr#   )r*   rb   rc   rG   rH   rr   __classcell__r    r    rp   r!   rk      s    
rk   c                   @      e Zd ZdZdZdd ZdS )FieldGetDbPrepValueMixinzZ
    Some lookups require Field.get_db_prep_value() to be called on their
    inputs.
    Fc                    sV   t | jjdd }t |dd p| jjjd| jr" fdd|D fS | ddgfS )NZtarget_fieldget_db_prep_valuer/   c                    s   g | ]	}| d dqS )Tpreparedr    ).0vr8   r}   r    r!   
<listcomp>   s    z?FieldGetDbPrepValueMixin.get_db_prep_lookup.<locals>.<listcomp>Tr~   )getattrr   r.   r}   $get_db_prep_lookup_value_is_iterable)r   r$   r8   fieldr    r   r!   r5      s   z+FieldGetDbPrepValueMixin.get_db_prep_lookupN)r*   rb   rc   ri   r   r5   r    r    r    r!   r|      s    r|   c                       sB   e Zd ZdZdZdd Z fddZdd Zd fd
d	Z  Z	S ) FieldGetDbPrepValueIterableMixinzg
    Some lookups require Field.get_db_prep_value() to be called on each value
    in an iterable.
    Tc                 C   s^   t | jdr	| jS g }| jD ]}t |drn| jr't | jjdr'| jj|}|| q|S )Nr0   rD   )r   r   rE   r   r.   rD   r3   )r   Zprepared_values	rhs_valuer    r    r!   r   
  s   

z0FieldGetDbPrepValueIterableMixin.get_prep_lookupc                    s"   |   r
| ||S t ||S r#   )r@   r?   rl   rI   )r   r7   r8   rp   r    r!   rI     s   z,FieldGetDbPrepValueIterableMixin.process_rhsc                 C   s<   |g}t |dr||j}t |dr||\}}||fS )Nr0   rH   )r   r0   r1   r2   )r   r7   r8   r<   paramr>   r    r    r!   resolve_expression_parameter   s   

z=FieldGetDbPrepValueIterableMixin.resolve_expression_parameterNc                    sJ   t   |}t fddt| D  \}}tj|}|t|fS )Nc                 3   s$    | ]\}}  ||V  qd S r#   )r   )r   r<   r   r7   r8   r   r    r!   	<genexpr>/  s
    
zEFieldGetDbPrepValueIterableMixin.batch_process_rhs.<locals>.<genexpr>)rl   r?   zip	itertoolschainfrom_iterabletuple)r   r7   r8   r   Zpre_processedr<   r>   rp   r   r!   r?   (  s   z2FieldGetDbPrepValueIterableMixin.batch_process_rhsr#   )
r*   rb   rc   ri   r   r   rI   r   r?   rz   r    r    rp   r!   r     s    r   c                   @   s   e Zd ZdZdZdd ZdS )PostgresOperatorLookupz*Lookup defined by operators on PostgreSQL.Nc                 C   sD   |  ||\}}| ||\}}t|t| }d|| j|f |fS )Nz%s %s %s)rG   rI   r   postgres_operator)r   r7   r8   r   
lhs_paramsr   rt   r>   r    r    r!   as_postgresql=  s   z$PostgresOperatorLookup.as_postgresql)r*   rb   rc   ri   r   r   r    r    r    r!   r   8  s    r   c                       s,   e Zd ZdZ fddZ fddZ  ZS )Exactexactc                    sV   ddl m} t| j|r&| j r"| jjs!| j  | jdg ntdt	 
 S )Nr   r   pkzSThe QuerySet value for an exact lookup must be limited to one result using slicing.)r   r   r   r   Zhas_limit_onehas_select_fieldsclear_select_clause
add_fields
ValueErrorrl   r   r   r   rp   r    r!   r   H  s   


zExact.get_prep_lookupc                    s`   t | jtr)t| jddr)|j| jr)| ||\}}| jr!dnd}|| |fS t 	||S )NZconditionalFr/   zNOT %s)
r   r   boolr   r   rP   rQ   rG   rl   rH   )r   r7   r8   ro   r>   templaterp   r    r!   rH   W  s   
zExact.as_sql)r*   rb   rc   rd   r   rH   rz   r    r    rp   r!   r   D  s    r   c                       $   e Zd ZdZdZ fddZ  ZS )IExactZiexactFc                    s2   t  ||\}}|r|j|d |d< ||fS rg   )rl   rI   rP   Zprep_for_iexact_queryr   qnr8   r   r>   rp   r    r!   rI   m  s   zIExact.process_rhs)r*   rb   rc   rd   rE   rI   rz   r    r    rp   r!   r   h      r   c                   @      e Zd ZdZdS )GreaterThangtNr*   rb   rc   rd   r    r    r    r!   r   t      r   c                   @   r   )GreaterThanOrEqualZgteNr   r    r    r    r!   r   y  r   r   c                   @   r   )LessThanltNr   r    r    r    r!   r   ~  r   r   c                   @   r   )LessThanOrEqualZlteNr   r    r    r    r!   r     r   r   c                           e Zd ZdZ fddZ  ZS )IntegerFieldFloatRoundingz
    Allow floats to work as query values for IntegerField. Without this, the
    decimal portion of the float would always be discarded.
    c                    s$   t | jtrt| j| _t  S r#   )r   r   floatmathceilrl   r   r+   rp   r    r!   r     s   
z)IntegerFieldFloatRounding.get_prep_lookup)r*   rb   rc   ri   r   rz   r    r    rp   r!   r         r   c                   @      e Zd ZdS )IntegerGreaterThanOrEqualNr*   rb   rc   r    r    r    r!   r         r   c                   @   r   )IntegerLessThanNr   r    r    r    r!   r     r   r   c                       sH   e Zd ZdZ fddZ fddZdd Z fdd	Zd
d Z  Z	S )Ininc                    sP   ddl m} t| j|r#| jjdd | jjs#| j  | jdg t 	 S )Nr   r   T)Zclear_defaultr   )
r   r   r   r   Zclear_orderingr   r   r   rl   r   r   rp   r    r!   r     s   

zIn.get_prep_lookupc                    s   t | jdd }|d ur||jkrtd|  rPzt| j}|d  W n ty5   dd | jD }Y nw |s:t| 	|||\}}dd
| d }||fS t ||S )N_dbzvSubqueries aren't allowed across different databases. Force the inner query to be evaluated using `list(inner_query)`.c                 S   s   g | ]}|d ur|qS r#   r    )r   rr    r    r!   r     s    z"In.process_rhs.<locals>.<listcomp>r&   r'   r(   )r   r   aliasr   r@   r   discard	TypeErrorr   r?   joinrl   rI   )r   r7   r8   Zdb_rhsr   r9   r:   placeholderrp   r    r!   rI     s$   
zIn.process_rhsc                 C   s   d| S )NzIN %sr    rx   r    r    r!   rr        zIn.get_rhs_opc                    s>   |j  }|  r|rt| j|kr| ||S t ||S r#   )rP   max_in_list_sizer@   r6   r   split_parameter_list_as_sqlrl   rH   )r   r7   r8   r   rp   r    r!   rH     s   
z	In.as_sqlc                 C   s   |j  }| ||\}}| ||\}}dg}g }	tdt||D ];}
|
dkr-|d |d|  |	| ||
|
|  }||
|
|  }d|}|| |d |	| q"|d d||	fS )Nr&   r   z OR z%s IN (r'   r(    )	rP   r   rG   r?   ranger6   r3   r4   r   )r   r7   r8   r   r   r   r   rt   Zin_clause_elementsr>   offsetr9   r:   Zparam_groupr    r    r!   r     s$   






zIn.split_parameter_list_as_sql)
r*   rb   rc   rd   r   rI   rr   rH   r   rz   r    r    rp   r!   r     s    

r   c                       s0   e Zd ZdZdZ fddZ fddZ  ZS )PatternLookupz%%%s%%Fc                    s>   t | jds	| jr|j| j |j}||S t ||S rJ   )	r   r   r   Zpattern_opsrd   formatZpattern_escrl   rr   )r   r8   r   patternrp   r    r!   rr     s   

zPatternLookup.get_rhs_opc                    sF   t  ||\}}|  r|r| js| j|j|d  |d< ||fS rg   )rl   rI   r@   r   param_patternrP   Zprep_for_like_queryr   rp   r    r!   rI      s   

zPatternLookup.process_rhs)r*   rb   rc   r   rE   rr   rI   rz   r    r    rp   r!   r     s
    r   c                   @   r   )ContainscontainsNr   r    r    r    r!   r   	  r   r   c                   @   r   )	IContainsZ	icontainsNr   r    r    r    r!   r     r   r   c                   @      e Zd ZdZdZdS )
StartsWith
startswithz%s%%Nr*   rb   rc   rd   r   r    r    r    r!   r         r   c                   @   r   )IStartsWithZistartswithNr   r    r    r    r!   r     r   r   c                   @   r   )EndsWithendswithz%%%sNr   r    r    r    r!   r     r   r   c                   @   r   )	IEndsWithZ	iendswithNr   r    r    r    r!   r   $  r   r   c                   @   s   e Zd ZdZdd ZdS )Ranger   c                 C   s   d|d |d f S )NBETWEEN %s AND %sr   rB   r    rx   r    r    r!   rr   -  s   zRange.get_rhs_opN)r*   rb   rc   rd   rr   r    r    r    r!   r   )  s    r   c                   @   r{   )IsNullZisnullFc                 C   sB   t | jts
td| ||\}}| jrd| |fS d| |fS )Nz>The QuerySet value for an isnull lookup must be True or False.z
%s IS NULLz%s IS NOT NULL)r   r   r   r   rG   )r   r7   r8   r<   r>   r    r    r!   rH   6  s   zIsNull.as_sqlN)r*   rb   rc   rd   rE   rH   r    r    r    r!   r   1  s    r   c                       r   )RegexregexFc                    s\   | j |jv rt ||S | ||\}}| ||\}}|j| j }|||f || fS r#   )rd   rw   rl   rH   rG   rI   rP   Zregex_lookup)r   r7   r8   r   r   r   rt   Zsql_templaterp   r    r!   rH   G  s   zRegex.as_sql)r*   rb   rc   rd   rE   rH   rz   r    r    rp   r!   r   B  r   r   c                   @   r   )IRegexZiregexNr   r    r    r    r!   r   Q  r   r   c                       s4   e Zd Zdd Z fddZdd Zdd Z  ZS )	
YearLookupc                 C   sT   ddl m} t| j|}| jjj}t|tr |jj||d}|S |jj||d}|S )Nr   )ExtractIsoYear)iso_year)	django.db.models.functionsr   r   r   r.   r
   rP   Z%year_lookup_bounds_for_datetime_fieldZ!year_lookup_bounds_for_date_field)r   r8   yearr   r   r.   Zboundsr    r    r!   year_lookup_boundsW  s   

	zYearLookup.year_lookup_boundsc           	         s|   |   r7| ||| jj\}}| ||\}}| ||}| || j\}}|| || d||f |fS t	 
||S rq   )r@   rG   r   rI   get_direct_rhs_sqlr   r   r4   get_bound_paramsrl   rH   )	r   r7   r8   ro   r>   rs   r=   startfinishrp   r    r!   rH   h  s   zYearLookup.as_sqlc                 C   ru   r#   rv   rx   r    r    r!   r   v  ry   zYearLookup.get_direct_rhs_sqlc                 C   s   t d)NzAsubclasses of YearLookup must provide a get_bound_params() method)r   r   r   r   r    r    r!   r   y  s   zYearLookup.get_bound_params)r*   rb   rc   r   rH   r   r   rz   r    r    rp   r!   r   V  s
    r   c                   @   s   e Zd Zdd Zdd ZdS )	YearExactc                 C   s   dS )Nr   r    rx   r    r    r!   r     s   zYearExact.get_direct_rhs_sqlc                 C   s   ||fS r#   r    r   r    r    r!   r     r   zYearExact.get_bound_paramsN)r*   rb   rc   r   r   r    r    r    r!   r     s    r   c                   @      e Zd Zdd ZdS )YearGtc                 C      |fS r#   r    r   r    r    r!   r        zYearGt.get_bound_paramsNr*   rb   rc   r   r    r    r    r!   r         r   c                   @   r   )YearGtec                 C      |fS r#   r    r   r    r    r!   r     r   zYearGte.get_bound_paramsNr   r    r    r    r!   r     r   r   c                   @   r   )YearLtc                 C   r   r#   r    r   r    r    r!   r     r   zYearLt.get_bound_paramsNr   r    r    r    r!   r     r   r   c                   @   r   )YearLtec                 C   r   r#   r    r   r    r    r!   r     r   zYearLte.get_bound_paramsNr   r    r    r    r!   r     r   r   c                       r   )UUIDTextMixinzs
    Strip hyphens from a value when filtering a UUIDField on backends without
    a native datatype for UUID.
    c                    s`   |j js#ddlm} |  rt| j| _|| jtdtdt d| _t 	||\}}||fS )Nr   )Replace-r   r-   )
r`   Zhas_native_uuid_fieldr   r   r@   r   r   r	   rl   rI   )r   r   r8   r   r   r>   rp   r    r!   rI     s   zUUIDTextMixin.process_rhs)r*   rb   rc   ri   rI   rz   r    r    rp   r!   r     r   r   c                   @   r   )
UUIDIExactNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDContainsNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDIContainsNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDStartsWithNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDIStartsWithNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDEndsWithNr   r    r    r    r!   r     r   r   c                   @   r   )UUIDIEndsWithNr   r    r    r    r!   r     r   r   )Cr   r   Zdjango.core.exceptionsr   Zdjango.db.models.expressionsr   r   r   r   r   Zdjango.db.models.fieldsr   r	   r
   r   r   r   Zdjango.db.models.query_utilsr   Zdjango.utils.datastructuresr   Zdjango.utils.functionalr   Zdjango.utils.hashabler   r   rf   rk   r|   r   r   Zregister_lookupr   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r    r    r    r!   <module>   s      *6#K)