o
     hM                     @  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 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 e	rd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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'e'Z(d(S ))a  
.. dialect:: mysql+asyncmy
    :name: asyncmy
    :dbapi: asyncmy
    :connectstring: mysql+asyncmy://user:password@host:port/dbname[?key=value&key=value...]
    :url: https://github.com/long2ice/asyncmy

Using a special asyncio mediation layer, the asyncmy 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+asyncmy://user:pass@hostname/dbname?charset=utf8mb4"
    )

    )annotations)
ModuleType)Any)NoReturn)Optional)TYPE_CHECKING)Union   )MySQLDialect_pymysql   )pool)util)AsyncAdapt_dbapi_connection)AsyncAdapt_dbapi_cursor)AsyncAdapt_dbapi_module)AsyncAdapt_dbapi_ss_cursor)await_fallback)
await_only)AsyncIODBAPIConnection)AsyncIODBAPICursor)ConnectArgsType)DBAPIConnection)DBAPICursor)DBAPIModule)PoolProxiedConnection)URLc                   @  s   e Zd ZdZdS )AsyncAdapt_asyncmy_cursor N)__name__
__module____qualname__	__slots__r   r   r   T/var/www/html/venv/lib/python3.10/site-packages/sqlalchemy/dialects/mysql/asyncmy.pyr   ;   s    r   c                   @  s   e Zd ZdZd	ddZdS )
AsyncAdapt_asyncmy_ss_cursorr   
connectionr   returnr   c                 C  s   | | jjjjjS N)cursor_adapt_connectiondbapiasyncmycursorsSSCursorselfr$   r   r   r"   _make_new_cursorD   s   z-AsyncAdapt_asyncmy_ss_cursor._make_new_cursorN)r$   r   r%   r   )r   r   r    r!   r/   r   r   r   r"   r#   ?   s    r#   c                   @  s^   e Zd ZdZeZeZdddZdddZ	dddZ
dddZdddZdddZdddZdS ) AsyncAdapt_asyncmy_connectionr   error	Exceptionr%   r   c                 C  s   t |tr| jd|)Nz7network operation failed due to asyncmy attribute error)
isinstanceAttributeErrorr)   InternalErrorr.   r1   r   r   r"   _handle_exceptionR   s
   
z/AsyncAdapt_asyncmy_connection._handle_exception	reconnectboolNonec                 C  s   |rJ |  |  S r&   )await__do_ping)r.   r8   r   r   r"   pingZ   s   z"AsyncAdapt_asyncmy_connection.pingc              
     s   z+| j 4 I d H  | jdI d H  W d   I d H  W d S 1 I d H s%w   Y  W d S  tyD } z| | W Y d }~d S d }~ww )NF)_execute_mutex_connectionr=   r2   r7   r6   r   r   r"   r<   ^   s   2z&AsyncAdapt_asyncmy_connection._do_pingOptional[str]c                 C  s
   | j  S r&   )r?   character_set_namer.   r   r   r"   rA   e   s   
z0AsyncAdapt_asyncmy_connection.character_set_namevaluer   c                 C  s   |  | j| d S r&   )r;   r?   
autocommit)r.   rC   r   r   r"   rD   h   s   z(AsyncAdapt_asyncmy_connection.autocommitc                 C  s   | j   d S r&   )r?   closerB   r   r   r"   	terminatek   s   z'AsyncAdapt_asyncmy_connection.terminatec                 C  s   |  | j  d S r&   )r;   r?   ensure_closedrB   r   r   r"   rE   o   s   z#AsyncAdapt_asyncmy_connection.closeN)r1   r2   r%   r   )r8   r9   r%   r:   r%   r:   )r%   r@   )rC   r   r%   r:   )r   r   r    r!   r   _cursor_clsr#   _ss_cursor_clsr7   r=   r<   rA   rD   rF   rE   r   r   r   r"   r0   L   s    





r0   c                   @  s   e Zd ZdZeeZdS )%AsyncAdaptFallback_asyncmy_connectionr   N)r   r   r    r!   staticmethodr   r;   r   r   r   r"   rK   s   s    rK   c                   @  sd   e Zd ZdddZdddZed	Zed
ZedZ	edZ
edZeeZdddZdS )AsyncAdapt_asyncmy_dbapir*   r   c                 C  s   || _ d| _|   d S )Nformat)r*   
paramstyle_init_dbapi_attributes)r.   r*   r   r   r"   __init__z   s   z!AsyncAdapt_asyncmy_dbapi.__init__r%   r:   c                 C  s$   dD ]}t | |t| jj| qd S )N)WarningErrorInterfaceError	DataErrorDatabaseErrorOperationalErrorrT   IntegrityErrorProgrammingErrorr5   NotSupportedError)setattrgetattrr*   errors)r.   namer   r   r"   rP      s   z/AsyncAdapt_asyncmy_dbapi._init_dbapi_attributesSTRINGNUMBERBINARYDATETIME	TIMESTAMPargr   kwr0   c                 O  sV   | dd}| d| jj}t|rt| t||i |S t| t||i |S )Nasync_fallbackFasync_creator_fn)	popr*   connectr   asboolrK   r   r0   r   )r.   rd   re   rf   
creator_fnr   r   r"   ri      s   
z AsyncAdapt_asyncmy_dbapi.connectN)r*   r   rH   )rd   r   re   r   r%   r0   )r   r   r    rQ   rP   r   symbolr_   r`   ra   rb   rc   rL   bytesBinaryri   r   r   r   r"   rM   y   s    






rM   c                      s~   e Zd ZdZdZdZeZdZdZ	e
d#ddZe
d$d
dZd%ddZd& fddZd' fddZd(ddZd)d!d"Z  ZS )*MySQLDialect_asyncmyr*   Tr%   r   c                 C  s   t tdS )Nr*   )rM   
__import__)clsr   r   r"   import_dbapi   s   z!MySQLDialect_asyncmy.import_dbapiurlr   typec                 C  s$   |j dd}t|rtjS tjS )Nrf   F)querygetr   rj   r   FallbackAsyncAdaptedQueuePoolAsyncAdaptedQueuePool)rq   rs   rf   r   r   r"   get_pool_class   s   
z#MySQLDialect_asyncmy.get_pool_classdbapi_connectionr   r:   c                 C  s   |   d S r&   )rF   )r.   rz   r   r   r"   do_terminate   s   z!MySQLDialect_asyncmy.do_terminater   c                   s   t  j|tddddS )Nuserdb)usernamedatabase)_translate_args)supercreate_connect_argsdict)r.   rs   	__class__r   r"   r      s   z(MySQLDialect_asyncmy.create_connect_argseDBAPIModule.Errorr$   7Optional[Union[PoolProxiedConnection, DBAPIConnection]]r'   Optional[DBAPICursor]r9   c                   s0   t  |||r
dS t| }d|v pd|v S )NTznot connectedznetwork operation failed)r   is_disconnectstrlower)r.   r   r$   r'   str_er   r   r"   r      s
   z"MySQLDialect_asyncmy.is_disconnectintc                 C  s   ddl m} |jS )Nr   )CLIENT)asyncmy.constantsr   
FOUND_ROWS)r.   r   r   r   r"   _found_rows_client_flag   s   z,MySQLDialect_asyncmy._found_rows_client_flagr   c                 C  s   |j S r&   )r?   r-   r   r   r"   get_driver_connection   s   z*MySQLDialect_asyncmy.get_driver_connection)r%   r   )rs   r   r%   rt   )rz   r   r%   r:   )rs   r   r%   r   )r   r   r$   r   r'   r   r%   r9   )r%   r   )r$   r   r%   r   )r   r   r    driversupports_statement_cachesupports_server_side_cursorsr#   	_sscursoris_asynchas_terminateclassmethodrr   ry   r{   r   r   r   r   __classcell__r   r   r   r"   ro      s     

ro   N))__doc__
__future__r   typesr   typingr   r   r   r   r   pymysqlr
    r   r   connectors.asyncior   r   r   r   util.concurrencyr   r   r   r   engine.interfacesr   r   r   r   r   
engine.urlr   r   r#   r0   rK   rM   ro   dialectr   r   r   r"   <module>   sF   
'-8