o
    g'                     @   s   d 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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ZeZdS )a  
.. dialect:: mysql+aiomysql
    :name: aiomysql
    :dbapi: aiomysql
    :connectstring: mysql+aiomysql://user:password@host:port/dbname[?key=value&key=value...]
    :url: https://github.com/aio-libs/aiomysql

The aiomysql dialect is SQLAlchemy's second Python asyncio dialect.

Using a special asyncio mediation layer, the aiomysql dialect is usable
as the backend for the :ref:`SQLAlchemy asyncio <asyncio_toplevel>`
extension package.

This dialect should normally be used only with the
:func:`_asyncio.create_async_engine` engine creation function::

    from sqlalchemy.ext.asyncio import create_async_engine
    engine = create_async_engine("mysql+aiomysql://user:pass@hostname/dbname?charset=utf8mb4")


    )deque   )MySQLDialect_pymysql   )pool)util)AdaptedConnection)asyncio)await_fallback)
await_onlyc                   @   s   e Zd ZdZdZdd Zedd Zedd Zed	d
 Z	e	j
dd
 Z	e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 Zd#dd Zd!d" ZdS )$AsyncAdapt_aiomysql_cursorF)_adapt_connection_connectionawait__cursor_rowsc                 C   sB   || _ |j| _|j| _| j|jj}| | | _t | _	d S N)
r   r   r   cursordbapiCursor
__aenter__r   r   r   selfZadapt_connectionr    r   i/home/www/bk.finsightngr.online/venv20/lib/python3.10/site-packages/sqlalchemy/dialects/mysql/aiomysql.py__init__5   s   z#AsyncAdapt_aiomysql_cursor.__init__c                 C      | j jS r   )r   descriptionr   r   r   r   r   @      z&AsyncAdapt_aiomysql_cursor.descriptionc                 C   r   r   )r   rowcountr   r   r   r   r    D   r   z#AsyncAdapt_aiomysql_cursor.rowcountc                 C   r   r   r   	arraysizer   r   r   r   r"   H   r   z$AsyncAdapt_aiomysql_cursor.arraysizec                 C   s   || j _d S r   r!   r   valuer   r   r   r"   L   s   c                 C   r   r   )r   	lastrowidr   r   r   r   r%   P   r   z$AsyncAdapt_aiomysql_cursor.lastrowidc                 C      | j   d S r   )r   clearr   r   r   r   closeT   s   z AsyncAdapt_aiomysql_cursor.closeNc                 C      |  | ||S r   )r   _execute_async)r   	operation
parametersr   r   r   execute^      z"AsyncAdapt_aiomysql_cursor.executec                 C   r)   r   )r   _executemany_asyncr   r+   Zseq_of_parametersr   r   r   executemanya   s   
z&AsyncAdapt_aiomysql_cursor.executemanyc              	      sv   | j j4 I d H % | j||I d H }| js"t| j I d H | _|W  d   I d H  S 1 I d H s4w   Y  d S r   )r   _execute_mutexr   r-   server_sider   fetchallr   )r   r+   r,   resultr   r   r   r*   f   s   0z)AsyncAdapt_aiomysql_cursor._execute_asyncc              	      sV   | j j4 I d H  | j||I d H W  d   I d H  S 1 I d H s$w   Y  d S r   )r   r2   r   r1   r0   r   r   r   r/   r   s   0z-AsyncAdapt_aiomysql_cursor._executemany_asyncc                 G   s   d S r   r   )r   Z
inputsizesr   r   r   setinputsizesv   s   z(AsyncAdapt_aiomysql_cursor.setinputsizesc                 c   s"    | j r| j  V  | j sd S d S r   r   popleftr   r   r   r   __iter__y   s   z#AsyncAdapt_aiomysql_cursor.__iter__c                 C   s   | j r| j  S d S r   r7   r   r   r   r   fetchone}   s   
z#AsyncAdapt_aiomysql_cursor.fetchonec                    s4   |d u r| j }| j  fddtt|t D S )Nc                    s   g | ]}   qS r   )r8   ).0_rrr   r   
<listcomp>   s    z8AsyncAdapt_aiomysql_cursor.fetchmany.<locals>.<listcomp>)r"   r   rangeminlenr   sizer   r=   r   	fetchmany   s    z$AsyncAdapt_aiomysql_cursor.fetchmanyc                 C   s   t | j}| j  |S r   )listr   r'   )r   retvalr   r   r   r4      s   

z#AsyncAdapt_aiomysql_cursor.fetchallr   )__name__
__module____qualname__r3   	__slots__r   propertyr   r    r"   setterr%   r(   r-   r1   r*   r/   r6   r9   r:   rE   r4   r   r   r   r   r   )   s0    







r   c                   @   s>   e Zd ZdZdZdd Zdd Zdd Zdd
dZdd Z	d	S )AsyncAdapt_aiomysql_ss_cursorr   Tc                 C   s:   || _ |j| _|j| _| j|jj}| | | _d S r   )r   r   r   r   r   SSCursorr   r   r   r   r   r   r      s
   z&AsyncAdapt_aiomysql_ss_cursor.__init__c                 C   s(   | j d ur| | j   d | _ d S d S r   )r   r   r(   r   r   r   r   r(      s   

z#AsyncAdapt_aiomysql_ss_cursor.closec                 C      |  | j S r   )r   r   r:   r   r   r   r   r:         z&AsyncAdapt_aiomysql_ss_cursor.fetchoneNc                 C   s   |  | jj|dS )N)rD   )r   r   rE   rC   r   r   r   rE         z'AsyncAdapt_aiomysql_ss_cursor.fetchmanyc                 C   rP   r   )r   r   r4   r   r   r   r   r4      rQ   z&AsyncAdapt_aiomysql_ss_cursor.fetchallr   )
rH   rI   rJ   rK   r3   r   r(   r:   rE   r4   r   r   r   r   rN      s    	
rN   c                   @   sd   e Zd ZeeZ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dZdS )AsyncAdapt_aiomysql_connection)r   r2   c                 C   s   || _ || _t | _d S r   )r   r   r	   Lockr2   )r   r   
connectionr   r   r   r      s   z'AsyncAdapt_aiomysql_connection.__init__c                 C   s   |  | j|S r   )r   r   ping)r   Z	reconnectr   r   r   rV      r.   z#AsyncAdapt_aiomysql_connection.pingc                 C   s
   | j  S r   )r   character_set_namer   r   r   r   rW      s   
z1AsyncAdapt_aiomysql_connection.character_set_namec                 C   s   |  | j| d S r   )r   r   
autocommitr#   r   r   r   rX      s   z)AsyncAdapt_aiomysql_connection.autocommitFc                 C   s   |rt | S t| S r   )rN   r   )r   r3   r   r   r   r      s   z%AsyncAdapt_aiomysql_connection.cursorc                 C      |  | j  d S r   )r   r   rollbackr   r   r   r   rZ      rR   z'AsyncAdapt_aiomysql_connection.rollbackc                 C   rY   r   )r   r   commitr   r   r   r   r[      rR   z%AsyncAdapt_aiomysql_connection.commitc                 C   r&   r   )r   r(   r   r   r   r   	terminate   s   z(AsyncAdapt_aiomysql_connection.terminatereturnNc                 C   rY   r   )r   r   Zensure_closedr   r   r   r   r(      rR   z$AsyncAdapt_aiomysql_connection.close)Fr]   N)rH   rI   rJ   staticmethodr   r   rK   r   rV   rW   rX   r   rZ   r[   r\   r(   r   r   r   r   rS      s    
rS   c                   @   s   e Zd ZdZeeZdS )&AsyncAdaptFallback_aiomysql_connectionr   N)rH   rI   rJ   rK   r_   r
   r   r   r   r   r   r`      s    r`   c                   @   s,   e Zd Zdd Zdd Zdd Zdd Zd	S )
AsyncAdapt_aiomysql_dbapic                 C   s.   || _ || _d| _|   |  \| _| _d S )Nformat)aiomysqlpymysqlZ
paramstyle_init_dbapi_attributes_init_cursors_subclassesr   rO   )r   rc   rd   r   r   r   r      s
   z"AsyncAdapt_aiomysql_dbapi.__init__c                 C   s@   dD ]}t | |t| j| qdD ]}t | |t| j| qd S )N)WarningErrorInterfaceErrorZ	DataErrorZDatabaseErrorZOperationalErrorri   ZIntegrityErrorZProgrammingErrorZInternalErrorZNotSupportedError)NUMBERSTRINGZDATETIMEBINARY	TIMESTAMPBinary)setattrgetattrrc   rd   )r   namer   r   r   re      s
   z0AsyncAdapt_aiomysql_dbapi._init_dbapi_attributesc                 O   sV   | dd}| d| jj}t|rt| t||i |S t| t||i |S )Nasync_fallbackFZasync_creator_fn)	poprc   connectr   asboolr`   r
   rS   r   )r   argkwrr   Z
creator_fnr   r   r   rt      s   
z!AsyncAdapt_aiomysql_dbapi.connectc                 C   s0   G dd d| j j}G dd d| j j}||fS )Nc                   @      e Zd Zdd ZdS )zBAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.Cursorc                       d S r   r   r   connr   r   r   _show_warnings     zQAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.Cursor._show_warningsNrH   rI   rJ   r|   r   r   r   r   r         r   c                   @   rx   )zDAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.SSCursorc                    ry   r   r   rz   r   r   r   r|     r}   zSAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.SSCursor._show_warningsNr~   r   r   r   r   rO     r   rO   )rc   r   rO   )r   r   rO   r   r   r   rf     s   z2AsyncAdapt_aiomysql_dbapi._init_cursors_subclassesN)rH   rI   rJ   r   re   rt   rf   r   r   r   r   ra      s
    ra   c                       sr   e Zd ZdZdZdZeZdZdZ	e
dd Ze
dd Zdd	d
Z fddZ fddZdd Zdd Z  ZS )MySQLDialect_aiomysqlrc   Tc                 C   s   t tdtdS )Nrc   rd   )ra   
__import__)clsr   r   r   import_dbapi&  s   z"MySQLDialect_aiomysql.import_dbapic                 C   s$   |j dd}t|rtjS tjS )Nrr   F)querygetr   ru   r   ZFallbackAsyncAdaptedQueuePoolZAsyncAdaptedQueuePool)r   urlrr   r   r   r   get_pool_class,  s   
z$MySQLDialect_aiomysql.get_pool_classr]   Nc                 C   s   |   d S r   )r\   )r   Zdbapi_connectionr   r   r   do_terminate5  s   z"MySQLDialect_aiomysql.do_terminatec                    s   t  j|tddddS )Nuserdb)usernameZdatabase)Z_translate_args)supercreate_connect_argsdict)r   r   	__class__r   r   r   8  s   z)MySQLDialect_aiomysql.create_connect_argsc                    s(   t  |||r
dS t| }d|v S )NTznot connected)r   is_disconnectstrlower)r   erU   r   Zstr_er   r   r   r   =  s   z#MySQLDialect_aiomysql.is_disconnectc                 C   s   ddl m} |jS )Nr   )CLIENT)Zpymysql.constantsr   Z
FOUND_ROWS)r   r   r   r   r   _found_rows_client_flagD  s   z-MySQLDialect_aiomysql._found_rows_client_flagc                 C   s   |j S r   )r   )r   rU   r   r   r   get_driver_connectionI  s   z+MySQLDialect_aiomysql.get_driver_connectionr^   )rH   rI   rJ   ZdriverZsupports_statement_cacheZsupports_server_side_cursorsrN   Z	_sscursoris_asyncZhas_terminateclassmethodr   r   r   r   r   r   r   __classcell__r   r   r   r   r     s     


r   N)__doc__collectionsr   rd   r    r   r   Zenginer   Zutil.concurrencyr	   r
   r   r   rN   rS   r`   ra   r   dialectr   r   r   r   <module>   s    g(>1