o
    E6÷d¥  ã                
   @  s"  d Z ddlmZ ddlZddlmZ ddlmZ ddlm	Z	 ddl
mZ dd	l
mZ dd
l
mZ ddl
mZ ddl
mZ ddl
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ƒZededededediZdd„ Zdd„ Ze ed¡dd „ ƒZe ed!¡e ed!¡d"d#„ ƒƒZdS )$z5Establish constraint and index naming conventions.


é    )ÚannotationsNé   )Úevents)Ú
_NONE_NAME)Úconv)ÚCheckConstraint)ÚColumn)Ú
Constraint)ÚForeignKeyConstraint)ÚIndex)ÚPrimaryKeyConstraint)ÚTable)ÚUniqueConstrainté   )Úevent)Úexcc                   @  s\   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ Zdd„ Zdd„ Z	dd„ Z
dd„ Zdd„ ZdS )ÚConventionDictc                 C  s*   || _ t|tƒ| _|| _|| _|j| _d S ©N)ÚconstÚ
isinstancer
   Ú_is_fkÚtableÚ
conventionÚnameÚ_const_name)Úselfr   r   r   © r   úlC:\Users\jesus\OneDrive\Desktop\erpjis_fastapi\backend\jisbackend\Lib\site-packages\sqlalchemy/sql/naming.pyÚ__init__"   s
   zConventionDict.__init__c                 C  s   | j jS r   )r   r   ©r   r   r   r   Ú_key_table_name)   s   zConventionDict._key_table_namec                 C  sp   | j rz| jj| }W n
 ty   Y dS w t|j|ƒS t| jjƒ}z|| }W n
 ty2   Y dS w t||ƒS )NÚ )r   r   ÚelementsÚ
IndexErrorÚgetattrÚparentÚlistÚcolumns)r   ÚidxÚattrnameÚfkÚcolsÚcolr   r   r   Ú	_column_X,   s   ÿÿ
zConventionDict._column_Xc                 C  s2   | j d tfv rt d¡‚t| j tƒsd | j_| j S )NzcNaming convention including %(constraint_name)s token requires that constraint is explicitly named.)r   r   r   ZInvalidRequestErrorr   r   r   r   r   r   r   r   Ú_key_constraint_name=   s   ÿz#ConventionDict._key_constraint_namec                 C  ó   |   |d¡S )NÚkey©r-   ©r   r(   r   r   r   Ú_key_column_X_keyH   s   z ConventionDict._key_column_X_keyc                 C  r/   )Nr   r1   r2   r   r   r   Ú_key_column_X_nameN   ó   z!ConventionDict._key_column_X_namec                 C  r/   )NZ
_ddl_labelr1   r2   r   r   r   Ú_key_column_X_labelQ   r5   z"ConventionDict._key_column_X_labelc                 C  s>   | j jd }|j d¡}t|ƒdkr|\}}}|S |\}}|S )Nr   Ú.é   )r   r"   Ztarget_fullnameÚsplitÚlen)r   r*   ÚrefsZ	refschemaZreftableZrefcolr   r   r   Ú_key_referred_table_nameT   s   
ÿz'ConventionDict._key_referred_table_namec                 C  s   | j j| }|jjS r   )r   r"   Úcolumnr   )r   r(   r*   r   r   r   Ú_key_referred_column_X_name]   s   z*ConventionDict._key_referred_column_X_namec           
   	   C  s,  || j v r| j | | j| jƒS t| d| ƒrt| d| ƒƒ S t d|¡}|r’| d¡}| d¡}|rz| jr:| jj	}nt
| jjƒ}g }t|ƒD ]%\}}d| d| d¡ }z| t| |ƒ|ƒ¡ W qF tyk   t|ƒ‚w | d¡rsdnd	}	|	 |¡S d| |d¡ }t|ƒ}t| |ƒr’t| |ƒ|ƒS t|ƒ‚)
Nz_key_%sz.*_?column_(\d+)(_?N)?_.+r   r   Z_key_Ú0ÚXÚ_r!   )r   r   r   Úhasattrr$   ÚreÚmatchÚgroupr   r"   r&   r'   Ú	enumerateÚreplaceÚappendÚAttributeErrorÚKeyErrorÚ
startswithÚjoinÚint)
r   r0   Zcol_templater(   Z	multiplesÚelemsÚtokensÚelemÚattrÚsepr   r   r   Ú__getitem__d   s6   



ÿ

zConventionDict.__getitem__N)Ú__name__Ú
__module__Ú__qualname__r   r    r-   r.   r3   r4   r6   r<   r>   rS   r   r   r   r   r   !   s    	r   ZixÚpkZckZuqr*   c                 C  sH   |j D ]}|tv rt| | v r| t|    S || v r!| |   S qd S r   )Ú__mro__Ú_prefix_dict)Zdict_r0   Zsuper_r   r   r   Ú_get_conventionŽ   s   
ÿrZ   c                 C  s~   |j }t|jt| ƒƒ}t| jtƒr| jS |d ur7t| jtƒs7| jd u s,d|v s,| jtu r7t|t| ||jƒ ƒS |tu r=d S d S )NZconstraint_name)	ÚmetadatarZ   Znaming_conventionÚtyper   r   r   r   r   )r   r   r[   r   r   r   r   Ú_constraint_name_for_table˜   s$   
ÿ

ÿÿÿr]   Z'_sa_event_column_added_to_pk_constraintc                 C  s2   | j r| j}d | _t| |ƒ}|r|| _d S d S d S r   )Z_implicit_generatedr   r   r]   )Zpk_constraintr,   r   Únewnamer   r   r   Ú_column_added_to_pk_constraint¯   s   

÷r_   Úafter_parent_attachc                   sh   t |tƒrt |d‡ fdd„¡ d S t |tƒr0t ˆ jtƒs"ˆ jtu r$d S tˆ |ƒ}|r2|ˆ _d S d S d S )Nr`   c                   s
   t ˆ |ƒS r   )Ú_constraint_name)r,   r   ©r   r   r   Ú<lambda>Ë   s   
 z"_constraint_name.<locals>.<lambda>)	r   r   r   Úlistenr   r   r   r   r]   )r   r   r^   r   rb   r   ra   ¿   s   

ý


úra   )Ú__doc__Ú
__future__r   rC   r!   r   Úbaser   r"   r   Zschemar   r   r	   r
   r   r   r   r   r   r   r   rY   rZ   r]   Zlistens_forr_   ra   r   r   r   r   Ú<module>   s@   eû	
ÿ


