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œZe d¡Zdd„ ZG dd„ dejƒZdS )a  
This module implements connections for MySQLdb. Presently there is
only one class: Connection. Others are unlikely. However, you might
want to make your own subclasses. In most cases, you will probably
override Connection.default_cursor with a non-standard Cursor class.
é    Né   )ÚcursorsÚ_mysql)
ÚWarningÚErrorÚInterfaceErrorÚ	DataErrorÚDatabaseErrorÚOperationalErrorÚIntegrityErrorÚInternalErrorÚNotSupportedErrorÚProgrammingErrorÚutf8Úcp1252Úkoi8_rÚkoi8_u)Zutf8mb4Úutf8mb3Úlatin1Zkoi8rZkoi8uz^(\d+)c                 C   s    t  | ¡}|rt| d¡ƒS dS )zšReturns the leading numeric part of a string.

    >>> numeric_part("20-alpha")
    20
    >>> numeric_part("foo")
    >>> numeric_part("16b")
    16
    r   N)Úre_numeric_partÚmatchÚintÚgroup)ÚsÚm© r   úQ/var/www/html/IITS/school/venv/lib/python3.8/site-packages/MySQLdb/connections.pyÚnumeric_part#   s    

r   c                       sÀ   e Zd ZdZejZ‡ fdd„Zd!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„ Zdd„ Zd#‡ fdd„	Zdd„ Zdd „ ZeZeZeZeZeZeZeZeZeZeZ‡  ZS )$Ú
Connectionz MySQL Database Connection Objectc                    sJ  ddl m}m} ddlm}m} | ¡ }d|kr>| d¡|d< d|krT| d¡|d< d|krf|d }n|}i }	| ¡ D ]6\}
}t	|
t
ƒr¤t	|tƒr¤|d	d	… |	|
< qv||	|
< qv|	|d< | d
| j¡}| dd¡}| dd¡}| dd¡}| dd¡}| dd¡| _| dd¡}||jO }| dd¡}|�r4||jO }||d< | dd¡}| j||Ž tƒ j||Ž || _dd„ | ¡ D ƒ| _tdd„ |  ¡  d¡d	d… D ƒƒ| _d| _|�s¶|  ¡ }|  ||¡ |�rÒ|  |¡ |�r|j|j|j |j!|j"|j#|j$fD ]}|| j%|< �qøt&| j%|j'< | j(|j)@ | _*| j*�r@|d	k	�r@|  +|¡ g | _,d	S )aZ  
        Create a connection to the database. It is strongly recommended
        that you only use keyword parameters. Consult the MySQL C API
        documentation for more information.

        :param str host:        host to connect
        :param str user:        user to connect as
        :param str password:    password to use
        :param str passwd:      alias of password (deprecated)
        :param str database:    database to use
        :param str db:          alias of database (deprecated)
        :param int port:        TCP/IP port to connect to
        :param str unix_socket: location of unix_socket to use
        :param dict conv:       conversion dictionary, see MySQLdb.converters
        :param int connect_timeout:
            number of seconds to wait before the connection attempt fails.

        :param bool compress:   if set, compression is enabled
        :param str named_pipe:  if set, a named pipe is used to connect (Windows only)
        :param str init_command:
            command which is run once the connection is created

        :param str read_default_file:
            file from which default client values are read

        :param str read_default_group:
            configuration group to use from the default file

        :param type cursorclass:
            class object, used to create cursors (keyword only)

        :param bool use_unicode:
            If True, text-like columns are returned as unicode objects
            using the connection's character set. Otherwise, text-like
            columns are returned as bytes. Unicode objects will always
            be encoded to the connection's character set regardless of
            this setting.
            Default to True.

        :param str charset:
            If supplied, the connection character set will be changed
            to this character set.

        :param str collation:
            If ``charset`` and ``collation`` are both supplied, the
            character set and collation for the current connection
            will be set.

            If omitted, empty string, or None, the default collation
            for the ``charset`` is implied.

        :param str auth_plugin:
            If supplied, the connection default authentication plugin will be
            changed to this value. Example values:
            `mysql_native_password` or `caching_sha2_password`

        :param str sql_mode:
            If supplied, the session SQL mode will be changed to this
            setting.
            For more details and legal values, see the MySQL documentation.

        :param int client_flag:
            flags to use or 0 (see MySQL docs or constants/CLIENTS.py)

        :param bool multi_statements:
            If True, enable multi statements for clients >= 4.1.
            Defaults to True.

        :param str ssl_mode:
            specify the security settings for connection to the server;
            see the MySQL documentation for more details
            (mysql_option(), MYSQL_OPT_SSL_MODE).
            Only one of 'DISABLED', 'PREFERRED', 'REQUIRED',
            'VERIFY_CA', 'VERIFY_IDENTITY' can be specified.

        :param dict ssl:
            dictionary or mapping contains SSL connection parameters;
            see the MySQL documentation for more details
            (mysql_ssl_set()).  If this is set, and the client does not
            support SSL, NotSupportedError will be raised.
            Since mysqlclient 2.2.4, ssl=True is alias of ssl_mode=REQUIRED
            for better compatibility with PyMySQL and MariaDB.

        :param str server_public_key_path:
            specify the path to a file RSA public key file for caching_sha2_password.
            See https://dev.mysql.com/doc/refman/9.0/en/caching-sha2-pluggable-authentication.html

        :param bool local_infile:
            enables LOAD LOCAL INFILE; zero disables

        :param bool autocommit:
            If False (default), autocommit is disabled.
            If True, autocommit is enabled.
            If None, autocommit isn't set and server default is used.

        :param bool binary_prefix:
            If set, the '_binary' prefix will be used for raw byte query
            arguments (e.g. Binary). This is disabled by default.

        There are a number of undocumented, non-standard methods. See the
        documentation for the MySQL C API for some hints on what they do.
        r   )ÚCLIENTÚ
FIELD_TYPE)ÚconversionsÚ_bytes_or_strÚdbÚdatabaseÚpasswdÚpasswordÚconvNÚcursorclassÚcharsetÚ Ú	collationÚuse_unicodeTÚsql_modeZbinary_prefixFÚclient_flagÚmulti_statementsÚ
autocommitc                 S   s"   i | ]\}}t |ƒtk	r||“qS r   )Útyper   )Ú.0ÚkÚvr   r   r   Ú
<dictcomp>Ë   s   þ z'Connection.__init__.<locals>.<dictcomp>c                 S   s   g | ]}t |ƒ‘qS r   )r   )r2   Únr   r   r   Ú
<listcomp>Ñ   s     z'Connection.__init__.<locals>.<listcomp>Ú.é   Úascii)-ÚMySQLdb.constantsr   r    ÚMySQLdb.convertersr!   r"   ÚcopyÚpopÚitemsÚ
isinstancer   ÚlistÚdefault_cursorÚgetÚ_binary_prefixÚMULTI_RESULTSÚMULTI_STATEMENTSÚ_set_attributesÚsuperÚ__init__r(   ÚencodersÚtupleÚget_server_infoÚsplitÚ_server_versionÚencodingÚcharacter_set_nameÚset_character_setÚset_sql_modeÚSTRINGÚ
VAR_STRINGÚVARCHARÚ	TINY_BLOBÚMEDIUM_BLOBÚ	LONG_BLOBÚBLOBÚ	converterÚstrÚJSONÚserver_capabilitiesÚTRANSACTIONSZ_transactionalr0   Úmessages)ÚselfÚargsÚkwargsr   r    r!   r"   Zkwargs2r'   Zconv2r3   r4   r(   r)   r+   r,   r-   r.   r/   r0   Út©Ú	__class__r   r   rI   8   sx    g



þÿ
ù	

zConnection.__init__Nr*   éê  c                 K   s(   |r|sd}|| _ || _|| _|| _dS )zset some attributes for otelÚ	localhostN)ÚhostÚuserr$   r#   )r`   rh   ri   r&   r$   ÚportÚunix_socketrb   r   r   r   rG   ñ   s    zConnection._set_attributesc                 C   s   | S ©Nr   ©r`   r   r   r   Ú	__enter__   s    zConnection.__enter__c                 C   s   |   ¡  d S rl   )Úclose)r`   Úexc_typeÚ	exc_valueÚ	tracebackr   r   r   Ú__exit__  s    zConnection.__exit__c                 C   s&   t |ƒ}|  ¡ |kr"tj | |¡ d S rl   )ÚboolÚget_autocommitr   Ú
connectionr0   )r`   Úonr   r   r   r0     s    zConnection.autocommitc                 C   s   |p| j | ƒS )zÒ
        Create a cursor on which queries may be performed. The
        optional cursorclass parameter is used to create the
        Cursor. By default, self.cursorclass=cursors.Cursor is
        used.
        )r(   )r`   r(   r   r   r   Úcursor  s    zConnection.cursorc                 C   s$   t |tƒrt|ƒ}tj | |¡ d S rl   )r@   Ú	bytearrayÚbytesr   rv   Úquery)r`   r{   r   r   r   r{     s    
zConnection.queryc                 C   s.   t |ttfƒst‚|  |¡}| jr*d| S |S )Ns   _binary)r@   rz   ry   ÚAssertionErrorÚstring_literalrD   )r`   ÚbsÚxr   r   r   Ú_bytes_literal  s
    
zConnection._bytes_literalc                 C   s   dd  t| j|ƒ¡ S )Ns   (%s)ó   ,)ÚjoinÚmapÚliteral)r`   rc   r   r   r   Ú_tuple_literal!  s    zConnection._tuple_literalc                 C   sš   t |tƒr|  | | j¡¡}njt |tƒr4|  |¡}nTt |tƒrJ|  |¡}n>t |tt	fƒrd|  
|¡}n$|  || j¡}t |tƒrˆ| | j¡}t |tƒs–t‚|S )a  If o is a single object, returns an SQL literal as a string.
        If o is a non-string sequence, the items of the sequence are
        converted and returned as a sequence.

        Non-standard. For internal use; do not use this in your
        applications.
        )r@   r[   r}   ÚencoderO   ry   r€   rz   rK   rA   r…   ÚescaperJ   r|   )r`   Úor   r   r   r   r„   $  s    



zConnection.literalc                 C   s   |   d¡ dS )ziExplicitly begin a connection.

        This method is not used when autocommit=False (default).
        s   BEGINN)r{   rm   r   r   r   Úbegin;  s    zConnection.beginc                    s@   t ƒ  |¡ t ||¡| _|r<|  d|› d|› �¡ |  ¡  dS )z,Set the connection character set to charset.z
SET NAMES z	 COLLATE N)rH   rQ   Ú_charset_to_encodingrC   rO   r{   Ústore_result)r`   r)   r+   rd   r   r   rQ   B  s
    zConnection.set_character_setc                 C   s,   | j dk rtdƒ‚|  d| ¡ |  ¡  dS )zNSet the connection sql_mode. See MySQL documentation for
        legal values.©é   r   z!server is too old to set sql_modezSET SESSION sql_mode='%s'N)rN   r   r{   r‹   )r`   r-   r   r   r   rR   J  s    
zConnection.set_sql_modec                 C   s.   | j dk rdS |  d¡ |  ¡ }| d¡}|S )zæReturn detailed information about warnings as a
        sequence of tuples of (Level, Code, Message). This
        is only supported in MySQL-4.1 and up. If your server
        is an earlier version, an empty sequence is returned.rŒ   r   zSHOW WARNINGSr   )rN   r{   r‹   Ú	fetch_row)r`   ÚrÚwarningsr   r   r   Úshow_warningsR  s    


zConnection.show_warnings)NNNr*   rf   N)N)N) Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   ÚCursorrB   rI   rG   rn   rs   r0   rx   r{   r€   r…   r„   r‰   rQ   rR   r‘   r   r   r   r	   r   r
   r   r   r   r   Ú__classcell__r   r   rd   r   r   3   s:    :  ÿ

	r   )r•   Úrer*   r   r   Ú_exceptionsr   r   r   r   r	   r
   r   r   r   r   rŠ   Úcompiler   r   rv   r   r   r   r   r   Ú<module>   s   0û
