U
    ui                     @  s   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gZi ZddddZdd Zdd Zdd ZG dd dZG dd dZG dd dZdd Zdd ZdS )     )annotationsN   )config)
exclusions   )event)schema)types)mapped_column)OrderedDictTableColumnzschema.Table)returnc                    s,    fddt  D } t tj|  S )z8A schema.Table wrapper/hook for dialect-specific tweaks.c                   s"   i | ]}| d r| |qS Ztest_
startswithpop.0kkw S/home/lhs5088/backend/venv/lib/python3.8/site-packages/sqlalchemy/testing/schema.py
<dictcomp>   s     
  zTable.<locals>.<dictcomp>)listupdatetable_optionsr   r   )argsr   _r   r   r   r      s    
c                  O  s   t t| |S )z>An orm.mapped_column wrapper/hook for dialect-specific tweaks.)_schema_column_orm_mapped_columnr   r   r   r   r   r
   %   s    r
   c                  O  s   t tj| |S )z9A schema.Column wrapper/hook for dialect-specific tweaks.)r    r   r   r"   r   r   r   r   +   s    c                   s    fddt  D }tjjts2dd |D }| | }| tjkrL|}n|j}|ddr ddr|j	d kr|j
d krd|_d|jd< ttjd	rd
d }tj|d|dd |S )Nc                   s"   i | ]}| d r| |qS r   r   r   r   r   r   r   2   s     
  z"_schema_column.<locals>.<dictcomp>c                 S  s   g | ]}t |tjs|qS r   )
isinstancer   Z
ForeignKey)r   argr   r   r   
<listcomp>5   s      z"_schema_column.<locals>.<listcomp>Ztest_needs_autoincrementFZprimary_keyToraclec                 S  s2   |  tjttjj|jd | j d dd d S )Nr   Z_seqT)optional)Z_init_itemsr   Sequence_truncate_namer   dbdialectname)cZtblr   r   r   add_seqK   s     z_schema_column.<locals>.add_seqZafter_parent_attach)	propagate)r   r   requirementsZforeign_key_ddlZenabled_for_configr   r   columngetdefaultZserver_defaultZautoincrementinfor   Zagainst_currentr   listen)factoryr   r   Z	test_optsZ	constructcolr.   r   r   r   r    1   s$    

 

r    c                   @  s(   e Zd ZdZdd Zdd Zdd ZdS )	eq_type_affinitya  Helper to compare types inside of datastructures based on affinity.

    E.g.::

        eq_(
            inspect(connection).get_columns("foo"),
            [
                {
                    "name": "id",
                    "type": testing.eq_type_affinity(sqltypes.INTEGER),
                    "nullable": False,
                    "default": None,
                    "autoincrement": False,
                },
                {
                    "name": "data",
                    "type": testing.eq_type_affinity(sqltypes.NullType),
                    "nullable": True,
                    "default": None,
                    "autoincrement": False,
                },
            ],
        )

    c                 C  s   t || _d S N)sqltypesZto_instancetargetselfr<   r   r   r   __init__t   s    zeq_type_affinity.__init__c                 C  s   | j j|jkS r:   r<   Z_type_affinityr>   otherr   r   r   __eq__w   s    zeq_type_affinity.__eq__c                 C  s   | j j|jk	S r:   r@   rA   r   r   r   __ne__z   s    zeq_type_affinity.__ne__N__name__
__module____qualname____doc__r?   rC   rD   r   r   r   r   r9   Y   s   r9   c                   @  s(   e Zd ZdZdd Zdd Zdd ZdS )	eq_compile_typez,similar to eq_type_affinity but uses compilec                 C  s
   || _ d S r:   r<   r=   r   r   r   r?      s    zeq_compile_type.__init__c                 C  s   | j | kS r:   r<   compilerA   r   r   r   rC      s    zeq_compile_type.__eq__c                 C  s   | j | kS r:   rL   rA   r   r   r   rD      s    zeq_compile_type.__ne__NrE   r   r   r   r   rJ   ~   s   rJ   c                   @  s(   e Zd ZdZdd Zdd Zdd ZdS )	eq_clause_elementz3Helper to compare SQL structures based on compare()c                 C  s
   || _ d S r:   rK   r=   r   r   r   r?      s    zeq_clause_element.__init__c                 C  s   | j |S r:   r<   comparerA   r   r   r   rC      s    zeq_clause_element.__eq__c                 C  s   | j | S r:   rO   rA   r   r   r   rD      s    zeq_clause_element.__ne__NrE   r   r   r   r   rN      s   rN   c                 C  sJ   t || jkrB|dt| jd d d tt|d dd   S |S d S )Nr      r   @   r   )lenZmax_identifier_lengthmaxhexhash)r+   r,   r   r   r   r)      s    r)   c              	     s   t  }d	 fdd	}i  t fdd}t| tf|||d}ztdjdd}W n tt	fk
rn   Y nX |d k	r~||_
|S )
Nc                   sL   || _ || _| | j|< |  |< t| j||  |rH| | j|< t| j||  d S r:   )r,   value__members__setattr	__class__)r>   r,   rW   aliasZvalue_to_memberr   r   r?      s    

zpep435_enum.<locals>.__init__c                   s    | S r:   r   )clsrW   r\   r   r   r2      s    zpep435_enum.<locals>.get)rX   r?   r2   r   rF   __main__)N)r   classmethodtypeobjectsys	_getframe	f_globalsr2   AttributeError
ValueErrorrG   )r,   rX   r?   r2   Zsomeenummoduler   r\   r   pep435_enum   s"    

rh   )
__future__r   rb    r   r   r   r   r	   r;   Zormr
   r!   utilr   __all__r   r   r   r    r9   rJ   rN   r)   rh   r   r   r   r   <module>	   s&   (%