U
    ovg!                     @   s   d 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ZG dd dejej 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+mariadbconnector
    :name: MariaDB Connector/Python
    :dbapi: mariadb
    :connectstring: mariadb+mariadbconnector://<user>:<password>@<host>[:<port>]/<dbname>
    :url: https://pypi.org/project/mariadb/

Driver Status
-------------

MariaDB Connector/Python enables Python programs to access MariaDB and MySQL
databases using an API which is compliant with the Python DB API 2.0 (PEP-249).
It is written in C and uses MariaDB Connector/C client library for client server
communication.

Note that the default driver for a ``mariadb://`` connection URI continues to
be ``mysqldb``. ``mariadb+mariadbconnector://`` is required to use this driver.

.. mariadb: https://github.com/mariadb-corporation/mariadb-connector-python

    N)UUID   )MySQLCompiler)MySQLDialect)MySQLExecutionContext   )sql)util)sqltypes)r   r   r   c                   @   s   e Zd Zdd ZdS )_MariaDBUUIDc                 C   s"   | j rdd }|S dd }|S d S )Nc                 S   s(   | d k	r$t | dr| d} t| } | S Ndecodeascii)hasattrr   _python_UUIDvalue r   N/tmp/pip-unpacked-wheel-uqd9otp_/sqlalchemy/dialects/mysql/mariadbconnector.pyprocess5   s
    

z._MariaDBUUID.result_processor.<locals>.processc                 S   s,   | d k	r(t | dr| d} tt| } | S r   )r   r   strr   r   r   r   r   r   ?   s
    

)Zas_uuid)selfdialectZcoltyper   r   r   r   result_processor2   s
    z_MariaDBUUID.result_processorN)__name__
__module____qualname__r   r   r   r   r   r   .   s   r   c                       s8   e Zd ZdZdd Zdd Z fddZdd	 Z  ZS )
&MySQLExecutionContext_mariadbconnectorNc                 C   s   | j jddS )NFZbufferedZ_dbapi_connectioncursorr   r   r   r   create_server_side_cursorL   s    z@MySQLExecutionContext_mariadbconnector.create_server_side_cursorc                 C   s   | j jddS )NTr   r   r!   r   r   r   create_default_cursorO   s    z<MySQLExecutionContext_mariadbconnector.create_default_cursorc                    s0   t    | jj| _| jr,| jjr,| jj| _	d S N)
super	post_execr    ZrowcountZ	_rowcountZisinsertZcompiledZpostfetch_lastrowidZ	lastrowid
_lastrowidr!   	__class__r   r   r&   R   s    

z0MySQLExecutionContext_mariadbconnector.post_execc                 C   s   | j S r$   )r'   r!   r   r   r   get_lastrowidZ   s    z4MySQLExecutionContext_mariadbconnector.get_lastrowid)	r   r   r   r'   r"   r#   r&   r*   __classcell__r   r   r(   r   r   I   s
   r   c                   @   s   e Zd ZdS )MySQLCompiler_mariadbconnectorN)r   r   r   r   r   r   r   r,   ^   s   r,   c                       s   e Zd ZdZdZdZdZdZdZdZ	dZ
dZeZeZdZeejejeiZejdd Z fddZed	d
 Z fddZdd Zdd Zdd Z dd Z! fddZ"dd Z#dd Z$d ddZ%d!ddZ&  Z'S )"MySQLDialect_mariadbconnectorZmariadbconnectorTutf8mb4qmarkc                 C   s8   | j r0t| j dr0tdd td| j jD S dS d S )N__version__c                 S   s   g | ]}t |qS r   )int.0xr   r   r   
<listcomp>   s   z@MySQLDialect_mariadbconnector._dbapi_version.<locals>.<listcomp>z(\d+)(?:[-\.]?|$))c   r6   r6   )dbapir   tuplerefindallr0   r!   r   r   r   _dbapi_version   s     	z,MySQLDialect_mariadbconnector._dbapi_versionc                    sH   t  jf | d| _| jd k	rD| jtk rDtdddd tD  d S )Nr/   z?The minimum required version for MariaDB Connector/Python is %s.c                 s   s   | ]}t |V  qd S r$   )r   r2   r   r   r   	<genexpr>   s     z9MySQLDialect_mariadbconnector.__init__.<locals>.<genexpr>)r%   __init__Z
paramstyler7   r;   mariadb_cpy_minimum_versionNotImplementedErrorjoin)r   kwargsr(   r   r   r>      s    

z&MySQLDialect_mariadbconnector.__init__c                 C   s   t dS )NZmariadb)
__import__)clsr   r   r   import_dbapi   s    z*MySQLDialect_mariadbconnector.import_dbapic                    sF   t  |||rdS t|| jjr>t| }d|kp<d|kS dS d S )NTznot connectedzisn't validF)r%   is_disconnect
isinstancer7   Errorr   lower)r   e
connectionr    Zstr_er(   r   r   rF      s    z+MySQLDialect_mariadbconnector.is_disconnectc              	   C   s   |  }||j ddddddg}ddd	d
dg}|D ]}t||t q6|D ]}t||t qN|dd}| jd k	rz"t	| jj
d jj}||jO }W n ttfk
r   d| _Y nX ||d< g |gS )Nconnect_timeoutread_timeoutZwrite_timeoutclient_flagportZ	pool_sizeZlocal_infileZssl_verify_certsslZpool_reset_connectioncompressr   z.constants.CLIENTF)Ztranslate_connect_argsupdatequeryr	   Zcoerce_kw_typer1   boolgetr7   rC   r   	constantsZCLIENTZ
FOUND_ROWSAttributeErrorImportErrorsupports_sane_rowcount)r   urloptsZ
int_paramsZbool_paramskeyrN   ZCLIENT_FLAGSr   r   r   create_connect_args   s<    	

z1MySQLDialect_mariadbconnector.create_connect_argsc                 C   s    z
|j }W n   d}Y nX |S )N)errno)r   	exceptionrcr   r   r   _extract_error_code   s
    

z1MySQLDialect_mariadbconnector._extract_error_codec                 C   s   dS )Nr.   r   )r   rK   r   r   r   _detect_charset   s    z-MySQLDialect_mariadbconnector._detect_charsetc                 C   s   dS )N)ZSERIALIZABLEzREAD UNCOMMITTEDzREAD COMMITTEDzREPEATABLE READ
AUTOCOMMITr   )r   Zdbapi_connectionr   r   r   get_isolation_level_values   s    z8MySQLDialect_mariadbconnector.get_isolation_level_valuesc                    s(   |dkrd|_ nd|_ t || d S )Nrd   TF)Z
autocommitr%   set_isolation_level)r   rK   levelr(   r   r   rf      s    z1MySQLDialect_mariadbconnector.set_isolation_levelc              	   C   s&   | tdtjd|dd d S )NzXA BEGIN :xidxidTZliteral_executeexecuter   text
bindparams	bindparamr   rK   rh   r   r   r   do_begin_twophase   s
    
z/MySQLDialect_mariadbconnector.do_begin_twophasec              	   C   sH   | tdtjd|dd | tdtjd|dd d S )NXA END :xidrh   Tri   zXA PREPARE :xidrj   ro   r   r   r   do_prepare_twophase   s    

z1MySQLDialect_mariadbconnector.do_prepare_twophaseFc              	   C   sL   |s&| tdtjd|dd | tdtjd|dd d S )Nrq   rh   Tri   zXA ROLLBACK :xidrj   r   rK   rh   Zis_preparedZrecoverr   r   r   do_rollback_twophase   s    

z2MySQLDialect_mariadbconnector.do_rollback_twophasec              	   C   s6   |s|  || |tdtjd|dd d S )NzXA COMMIT :xidrh   Tri   )rr   rk   r   rl   rm   rn   rs   r   r   r   do_commit_twophase	  s    
z0MySQLDialect_mariadbconnector.do_commit_twophase)TF)TF)(r   r   r   ZdriverZsupports_statement_cacheZsupports_unicode_statementsencodingZconvert_unicoderY   Zsupports_sane_multi_rowcountZsupports_native_decimalZdefault_paramstyler   Zexecution_ctx_clsr,   Zstatement_compilerZsupports_server_side_cursorsr	   Zupdate_copyr   Zcolspecsr
   ZUuidr   Zmemoized_propertyr;   r>   classmethodrE   rF   r]   rb   rc   re   rf   rp   rr   rt   ru   r+   r   r   r(   r   r-   b   sF    

	'	   
   r-   )__doc__r9   uuidr   r   baser   r   r    r   r	   r
   r?   Z_UUID_RETURNr   r   r,   r-   r   r   r   r   r   <module>
   s    4