a
    c	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 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")


   )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$dd Zd!d" ZdS )%AsyncAdapt_aiomysql_cursorF)_adapt_connection_connectionawait__cursor_rowsc                 C   s@   || _ |j| _|j| _| j|jj}| | | _g | _d S N)	r   r   r   cursordbapiCursor
__aenter__r   r   selfZadapt_connectionr    r   e/var/www/html/llm_bihealth/app/venv/lib/python3.9/site-packages/sqlalchemy/dialects/mysql/aiomysql.py__init__1   s    z#AsyncAdapt_aiomysql_cursor.__init__c                 C   s   | j jS r   )r   descriptionr   r   r   r   r   <   s    z&AsyncAdapt_aiomysql_cursor.descriptionc                 C   s   | j jS r   )r   rowcountr   r   r   r   r   @   s    z#AsyncAdapt_aiomysql_cursor.rowcountc                 C   s   | j jS r   r   	arraysizer   r   r   r   r   D   s    z$AsyncAdapt_aiomysql_cursor.arraysizec                 C   s   || j _d S r   r   r   valuer   r   r   r   H   s    c                 C   s   | j jS r   )r   	lastrowidr   r   r   r   r!   L   s    z$AsyncAdapt_aiomysql_cursor.lastrowidc                 C   s   g | j d d < d S r   r   r   r   r   r   closeP   s    z AsyncAdapt_aiomysql_cursor.closeNc                 C   s   |  | ||S r   )r   _execute_async)r   	operation
parametersr   r   r   executeZ   s    z"AsyncAdapt_aiomysql_cursor.executec                 C   s   |  | ||S r   )r   _executemany_asyncr   r%   Zseq_of_parametersr   r   r   executemany]   s    
z&AsyncAdapt_aiomysql_cursor.executemanyc              	      st   | j j4 I d H J | j||I d H }| jsBt| j I d H | _|W  d   I d H  S 1 I d H sf0    Y  d S r   )r   _execute_mutexr   r'   server_sidelistfetchallr   )r   r%   r&   resultr   r   r   r$   b   s
    z)AsyncAdapt_aiomysql_cursor._execute_asyncc              	      sT   | j j4 I d H * | j||I d H W  d   I d H  S 1 I d H sF0    Y  d S r   )r   r+   r   r*   r)   r   r   r   r(   n   s    z-AsyncAdapt_aiomysql_cursor._executemany_asyncc                 G   s   d S r   r   )r   Z
inputsizesr   r   r   setinputsizesr   s    z(AsyncAdapt_aiomysql_cursor.setinputsizesc                 c   s   | j r| j dV  q d S N    r   popr   r   r   r   __iter__u   s    z#AsyncAdapt_aiomysql_cursor.__iter__c                 C   s   | j r| j dS d S d S r1   r3   r   r   r   r   fetchoney   s    z#AsyncAdapt_aiomysql_cursor.fetchonec                 C   s8   |d u r| j }| jd| }| j|d  | jd d < |S r1   )r   r   )r   sizeretvalr   r   r   	fetchmany   s
    z$AsyncAdapt_aiomysql_cursor.fetchmanyc                 C   s    | j d d  }g | j d d < |S r   r"   )r   r8   r   r   r   r.      s    z#AsyncAdapt_aiomysql_cursor.fetchall)N)N)__name__
__module____qualname__r,   	__slots__r   propertyr   r   r   setterr!   r#   r'   r*   r$   r(   r0   r5   r6   r9   r.   r   r   r   r   r
   '   s.   







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 r   )r   r   r#   r   r   r   r   r#      s    
z#AsyncAdapt_aiomysql_ss_cursor.closec                 C   s   |  | j S r   )r   r   r6   r   r   r   r   r6      s    z&AsyncAdapt_aiomysql_ss_cursor.fetchoneNc                 C   s   |  | jj|dS )N)r7   )r   r   r9   )r   r7   r   r   r   r9      s    z'AsyncAdapt_aiomysql_ss_cursor.fetchmanyc                 C   s   |  | j S r   )r   r   r.   r   r   r   r   r.      s    z&AsyncAdapt_aiomysql_ss_cursor.fetchall)N)
r:   r;   r<   r=   r,   r   r#   r6   r9   r.   r   r   r   r   r@      s   	
r@   c                   @   sZ   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S )AsyncAdapt_aiomysql_connection)r   r+   c                 C   s   || _ || _t | _d S r   )r   r   r   Lockr+   )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   rE      s    z#AsyncAdapt_aiomysql_connection.pingc                 C   s
   | j  S r   )r   character_set_namer   r   r   r   rF      s    z1AsyncAdapt_aiomysql_connection.character_set_namec                 C   s   |  | j| d S r   )r   r   
autocommitr   r   r   r   rG      s    z)AsyncAdapt_aiomysql_connection.autocommitFc                 C   s   |rt | S t| S d S r   )r@   r
   )r   r,   r   r   r   r      s    z%AsyncAdapt_aiomysql_connection.cursorc                 C   s   |  | j  d S r   )r   r   rollbackr   r   r   r   rH      s    z'AsyncAdapt_aiomysql_connection.rollbackc                 C   s   |  | j  d S r   )r   r   commitr   r   r   r   rI      s    z%AsyncAdapt_aiomysql_connection.commitc                 C   s   | j   d S r   )r   r#   r   r   r   r   r#      s    z$AsyncAdapt_aiomysql_connection.closeN)F)r:   r;   r<   staticmethodr	   r   r=   r   rE   rF   rG   r   rH   rI   r#   r   r   r   r   rB      s   
rB   c                   @   s   e Zd ZdZeeZdS )&AsyncAdaptFallback_aiomysql_connectionr   N)r:   r;   r<   r=   rJ   r   r   r   r   r   r   rK      s   rK   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   rA   )r   rN   rO   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OperationalErrorrT   ZIntegrityErrorZProgrammingErrorZInternalErrorZNotSupportedError)NUMBERSTRINGZDATETIMEZBINARY	TIMESTAMPBinary)setattrgetattrrN   rO   )r   namer   r   r   rP      s    z0AsyncAdapt_aiomysql_dbapi._init_dbapi_attributesc                 O   sZ   | dd}| d| jj}t|r>t| t||i |S t| t||i |S d S )Nasync_fallbackFZasync_creator_fn)	r4   rN   connectr   asboolrK   r   rB   r	   )r   argkwr\   Z
creator_fnr   r   r   r]      s    
z!AsyncAdapt_aiomysql_dbapi.connectc                 C   s0   G dd d| j j}G dd d| j j}||fS )Nc                   @   s   e Zd Zdd ZdS )zBAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.Cursorc                    s   d S r   r   r   connr   r   r   _show_warnings  s    zQAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.Cursor._show_warningsNr:   r;   r<   rc   r   r   r   r   r     s   r   c                   @   s   e Zd Zdd ZdS )zDAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.SSCursorc                    s   d S r   r   ra   r   r   r   rc   
  s    zSAsyncAdapt_aiomysql_dbapi._init_cursors_subclasses.<locals>.SSCursor._show_warningsNrd   r   r   r   r   rA   	  s   rA   )rN   r   rA   )r   r   rA   r   r   r   rQ     s    z2AsyncAdapt_aiomysql_dbapi._init_cursors_subclassesN)r:   r;   r<   r   rP   r]   rQ   r   r   r   r   rL      s   rL   c                       sd   e Zd ZdZdZdZeZdZe	dd Z
e	dd Z fddZ fd	d
Zdd Zdd Z  ZS )MySQLDialect_aiomysqlrN   Tc                 C   s   t tdtdS )NrN   rO   )rL   
__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 d S )Nr\   F)querygetr   r^   r   ZFallbackAsyncAdaptedQueuePoolZAsyncAdaptedQueuePool)rg   urlr\   r   r   r   get_pool_class  s    
z$MySQLDialect_aiomysql.get_pool_classc                    s   t  j|tddddS )Nuserdb)usernameZdatabase)Z_translate_args)supercreate_connect_argsdict)r   rk   	__class__r   r   rq   (  s    z)MySQLDialect_aiomysql.create_connect_argsc                    s,   t  |||rdS t| }d|v S d S )NTznot connected)rp   is_disconnectstrlower)r   erD   r   Zstr_ers   r   r   ru   -  s    z#MySQLDialect_aiomysql.is_disconnectc                 C   s   ddl m} |jS )Nr2   )CLIENT)Zpymysql.constantsry   Z
FOUND_ROWS)r   ry   r   r   r   _found_rows_client_flag4  s    z-MySQLDialect_aiomysql._found_rows_client_flagc                 C   s   |j S r   )r   )r   rD   r   r   r   get_driver_connection9  s    z+MySQLDialect_aiomysql.get_driver_connection)r:   r;   r<   ZdriverZsupports_statement_cacheZsupports_server_side_cursorsr@   Z	_sscursoris_asyncclassmethodrh   rl   rq   ru   rz   r{   __classcell__r   r   rs   r   re     s   

re   N)__doc__rO   r    r   r   Zenginer   Zutil.concurrencyr   r   r	   r
   r@   rB   rK   rL   re   dialectr   r   r   r   <module>	   s   f#>-