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Editing: connections.cpython-310.pyc
o ���]1 � @ s� d Z ddlZddlZddlmZmZ ddlmZmZ ddl m Z m Z m Z m Z mZmZmZmZmZmZ ddddd d �Ze�d �Zd d � ZG dd� dej�ZdS )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. � N)�cursors�_mysql)�unicode�PY2) �Warning�Error�InterfaceError� DataError� DatabaseError�OperationalError�IntegrityError� InternalError�NotSupportedError�ProgrammingError�utf8�cp1252�koi8_r�koi8_u)�utf8mb4�utf8mb3�latin1�koi8r�koi8uz^(\d+)c C s t �| �}|rt|�d��S dS )z�Returns the leading numeric part of a string. >>> numeric_part("20-alpha") 20 >>> numeric_part("foo") >>> numeric_part("16b") 16 � N)�re_numeric_part�match�int�group)�s�m� r �5/usr/lib/python3/dist-packages/MySQLdb/connections.py� numeric_part s r" c s� e Zd ZdZejZ� fdd�Zdd� Zd dd�Z d d � Z d d � Z d d� Z dd� Z dd� Zeejd�s6dd� Z� fdd�Zdd� Zdd� ZeZeZeZeZeZeZe Z e Z e Z e Z � Z S ) � Connectionz MySQL Database Connection Objectc s� ddl m}m} ddlm}m} ddlm} |�� }d|v r%|� d�|d< d|v r0|� d�|d< d |v r9|d } n|} i } | � � D ]\} } t | t �rXt | t �rX| d d � | | < qA| | | < qA| |d < |� d | j�} |�d d �}|srtsud}nd}|� d|�}|� dd �}|� dd�| _|�dd�}tdd� t�� �d�d d� D ��}|dkr�||jO }|dkr�||jO }||d< |� dd�}tt| �j|i |�� | | _t dd� | � � D ��| _ t | j t < td d� | � � �d�d d� D ��| _ d | _!|| �� d � fd d � }|�s| �"� }| �#|� |�r| �$|� |�r4|j%|j&|j'|j(|j)|j*|j+fD ]}|| j,|< �q%t-| j,|j.< || j t-< | j/|j0@ | _1| j1�rN|d u�rN| �2|� g | _3d S )!a� 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, for backward compatibility :param str database: database to use :param str db: alias of database, for backward compatibility :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 False on Python 2 and True on Python 3 so that you can always get python `str` object by default. :param str charset: If supplied, the connection character set will be changed to this character set. On Python 2, this option changes default value of `use_unicode` option from False to True. :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 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. :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 )�CLIENT� FIELD_TYPE)� conversions� _bytes_or_str)�proxy�database�db�password�passwd�convN� cursorclass�charset� TF� use_unicode�sql_mode� binary_prefix� client_flagc S � g | ]}t |��qS r �r" ��.0�nr r r! � <listcomp>� � z'Connection.__init__.<locals>.<listcomp>�.� �� r )� r � autocommitc S s$ g | ]\}}t |�tur||f�qS r )�typer )r8 �k�vr r r! r: � s �c S r5 r r6 r7 r r r! r: � r; �asciic s � � | �� j��S �N)�string_literal�encode�encoding)�u�dummy�r* r r! �unicode_literal� s z,Connection.__init__.<locals>.unicode_literalrF )4�MySQLdb.constantsr$ r% �MySQLdb.convertersr& r' �weakrefr( �copy�pop�items� isinstancer �list�default_cursor�getr �_binary_prefix�tupler �get_client_info�split�MULTI_STATEMENTS� MULTI_RESULTS�superr# �__init__r. �dict�encoders�bytes�get_server_info�_server_versionrI �character_set_name�set_character_set� set_sql_mode�STRING� VAR_STRING�VARCHAR� TINY_BLOB� MEDIUM_BLOB� LONG_BLOB�BLOB� converterr �JSON�server_capabilities� TRANSACTIONS�_transactionalrA �messages)�self�args�kwargsr$ r% r& r' r( �kwargs2r- �conv2rC rD r. r/ r1 r2 r4 �client_versionrA rM �t�� __class__rL r! r_ 2 st Q $ & � zConnection.__init__c C s* t |�}| �� |krtj�| |� d S d S rF )�bool�get_autocommitr � connectionrA )ru �onr r r! rA � s �zConnection.autocommitNc C s |p| j | �S )z� 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. )ru r. r r r! �cursor� s zConnection.cursorc C s$ t |t�r t|�}tj�| |� d S rF )rT � bytearrayrb r r� �query)ru r� r r r! r� � s zConnection.queryc C s. t |ttf�s J �| �|�}| jrd| S |S )Ns _binary)rT rb r� rG rX )ru �bs�xr r r! �_bytes_literal� s zConnection._bytes_literalc C s dd� t| j|�� S )Ns (%s)� ,)�join�map�literal)ru r{ r r r! �_tuple_literal� s zConnection._tuple_literalc C s� t |t�r| �|�| j��}n=t |t�r| �|�}n2t |t�r-tr'| �|�}n%| �|�}n t |t t f�r:| � |�}n| � || j �}t |t�rL|�| j�}t |t�sSJ �|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. )rT r rG rH rI r� r� rb r rY rU r� �escapera )ru �or r r r! r� � s zConnection.literalc C s | � d� dS )ziExplicitly begin a connection. This method is not used when autocommit=False (default). s BEGINN)r� )ru r r r! �begin s zConnection.begin� warning_countc C s | � � }|rt|�� d �S dS )zpReturn the number of warnings generated from the last query. This is derived from the info() method.���r )�infor r[ )ru r� r r r! r� s zConnection.warning_countc sr t �||�}| �� |kr4z tt| ��|� W n ty3 | jdk r&td��| � d| � | � � Y nw || _ dS )z�Set the connection character set to charset. The character set can only be changed in MySQL-4.1 and newer. If you try to change the character set from the current value in an older version, NotSupportedError will be raised.r> z server is too old to set charsetz SET NAMES %sN) �_charset_to_encodingrW re r^ r# rf �AttributeErrorrd r r� � store_resultrI )ru r/ � py_charsetr| r r! rf ' s � z Connection.set_character_setc C s, | j dk r td��| �d| � | �� dS )zNSet the connection sql_mode. See MySQL documentation for legal values.r> z!server is too old to set sql_modezSET SESSION sql_mode='%s'N)rd r r� r� )ru r2 r r r! rg 7 s zConnection.set_sql_modec C s. | j dk rdS | �d� | �� }|�d�}|S )z�Return 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.r> r z SHOW WARNINGSr )rd r� r� � fetch_row)ru �r�warningsr r r! � show_warnings? s zConnection.show_warningsrF )!�__name__� __module__� __qualname__�__doc__r �CursorrV r_ rA r� r� r� r� r� r� �hasattrr r� r� rf rg r� r r r r r r r r r r � __classcell__r r r| r! r# - s6 , r# )r� �re�sys�MySQLdbr r �MySQLdb.compatr r �MySQLdb._exceptionsr r r r r r r r r r r� �compiler r" r� r# r r r r! �<module> s 0�
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