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t j d | � St d | d f � � d S( Ni sF Encoding %d is less than 0 - no representation in LengthEncodedIntegeri� i i s �s <Hi s �s <Ii i@ s �s <QsI Encoding %x is larger than %x - no representation in LengthEncodedIntegeri i l l ( R: R RQ RS ( R> ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt
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t MysqlPacketc B s e Z d Z d Z d � Z d � Z d � Z d � Z d � Z d d � Z d
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d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( sr Representation of a MySQL response packet.
Provides an interface for reading/parsing the packet results.
t _positiont _datac C s d | _ | | _ d S( Ni ( Rz R{ ( R[ R* t encoding( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR\ � s c C s | j S( N( R{ ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt get_all_data� s c C s� | j | j | j | !} t | � | k r� d | t | � | j t | j � f } t rq t | � | j � n t | � � n | j | 7_ | S( sC Read the first 'size' bytes in packet and advance cursor past them.s\ Result length not requested length:
Expected=%s. Actual=%s. Position: %s. Data Length: %s( R{ Rz R3 RC R2 t dumpt AssertionError( R[ t sizeRN t error( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read� s %
c C s | j | j } d | _ | S( s` Read all remaining data in the packet.
(Subsequent read() will return errors.)
N( R{ Rz t None( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_all� s c C sT | j | } | d k s. | t | j � k rG t d | | f � � n | | _ d S( s1 Advance the cursor in data buffer 'length' bytes.i s4 Invalid advance amount (%s) for cursor. Position=%sN( Rz R3 R{ t Exception( R[ RV t new_position( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt advance� s
!i c C sA | d k s! | t | j � k r4 t d | � � n | | _ d S( s9 Set the position of the data buffer cursor to 'position'.i s) Invalid position to rewind cursor to: %s.N( R3 R{ R� Rz ( R[ t position( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt rewind s !i c C s | j | | | !S( s> Get 'length' bytes starting at 'position'.
Position is start of payload (first four packet header bytes are not
included) starting at index '0'.
No error checking is done. If requesting outside end of buffer
an empty string (or string shorter than 'length') may be returned!
( R{ ( R[ R� RV ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt get_bytes s c C s) t | j | j � } | j d 7_ | S( Ni ( t ordR{ Rz ( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt
read_uint8 s c C s# | j | j } | j d 7_ | S( Ni ( R{ Rz ( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� s c C s2 t j d | j | j � d } | j d 7_ | S( Ns <Hi i ( RQ t unpack_fromR{ Rz ( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_uint16" s c C s< t j d | j | j � \ } } | j d 7_ | | d >S( Ns <HBi i ( RQ R� R{ Rz ( R[ t lowt high( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_uint24' s !c C s2 t j d | j | j � d } | j d 7_ | S( Ns <Ii i ( RQ R� R{ Rz ( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_uint32, s c C s2 t j d | j | j � d } | j d 7_ | S( Ns <Qi i ( RQ R� R{ Rz ( R[ RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_uint641 s c C sL | j j d | j � } | d k r( d S| j | j | !} | d | _ | S( Ns i i ( R{ t findRz R� ( R[ t end_posRN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_string6 s
c C sr | j � } | t k r d S| t k r, | S| t k rB | j � S| t k rX | j � S| t k rn | j � Sd S( s� Read a 'Length Coded Binary' number from the data buffer.
Length coded numbers can be anywhere from 1 to 9 bytes depending
on the value of the first byte.
N(
R� t NULL_COLUMNR� t UNSIGNED_CHAR_COLUMNt UNSIGNED_SHORT_COLUMNR� t UNSIGNED_INT24_COLUMNR� t UNSIGNED_INT64_COLUMNR� ( R[ Ro ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_length_encoded_integer> s
c C s) | j � } | d k r d S| j | � S( s Read a 'Length Coded String' from the data buffer.
A 'Length Coded String' consists first of a length coded
(unsigned, positive) integer represented in 1-9 bytes followed by
that many bytes of binary data. (For example "cat" would be "3cat".)
N( R� R� R� ( R[ RV ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_length_coded_stringP s c C s= t j | � } | j | j | j � } | j | j 7_ | S( N( RQ t StructR� R{ Rz R� ( R[ t fmtR RN ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt read_struct\ s c C s) | j d d !d k o( t | j � d k S( Ni i s i ( R{ R3 ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt is_ok_packetb s c C s) | j d d !d k o( t | j � d k S( Ni i s �i ( R{ R3 ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt
is_eof_packetf s c C s | j d d !d k S( Ni i s �( R{ ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt is_auth_switch_requestl s c C s. t | j d d !� } d | k o+ d k SS( Ni i i� ( R� R{ ( R[ t field_count( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt is_resultset_packetp s c C s | j d d !d k S( Ni i s �( R{ ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt is_load_local_packett s c C s | j d d !d k S( Ni i s �( R{ ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt is_error_packetw s c C s\ | j � rX | j � | j d � | j � } t rE t d | � n t j | j � n d S( Ni s errno =( R� R� R� R� RC R2 R t raise_mysql_exceptionR{ ( R[ t errno( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt check_errorz s
c C s t | j � d S( N( RB R{ ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR~ � s ( Rz R{ ( R_ R` t __doc__t __slots__R\ R} R� R� R� R� R� R R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R~ ( ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyRy � s8 t FieldDescriptorPacketc B s; e Z d Z d � Z d � Z d � Z d � Z d � Z RS( s� A MysqlPacket that represents a specific column's metadata in the result.
Parsing is automatically done and the results are exported via public
attributes on the class such as: db, table_name, name, length, type_code.
c C s$ t j | | | � | j | � d S( N( Ry R\ t _parse_field_descriptor( R[ R* R| ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR\ � s c C s� | j � | _ | j � | _ | j � j | � | _ | j � j | � | _ | j � j | � | _ | j � j | � | _ | j d � \ | _ | _
| _ | _ | _
d S( s� Parse the 'Field Descriptor' (Metadata) packet.
This is compatible with MySQL 4.1+ (not compatible with MySQL 4.0).
s <xHIBHBxxN( R� t catalogt dbR t
table_namet org_tablet namet org_nameR� t charsetnrRV t type_codet flagst scale( R[ R| ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s c C s; | j | j d | j � | j � | j | j d d k f S( sB Provides a 7-item tuple compatible with the Python PEP249 DB Spec.i i N( R� R� R� t get_column_lengthR� R� ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt description� s c C s9 | j t j k r2 t j | j d � } | j | S| j S( Ni ( R� R t
VAR_STRINGR t getR� RV ( R[ t mblen( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s c C s, d | j | j | j | j | j | j f S( Ns %s %r.%r.%r, type=%s, flags=%x( t __class__R� R� R� R� R� ( R[ ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt __str__� s ( R_ R` R� R\ R� R� R� R� ( ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s t OKPacketWrapperc B s e Z d Z d � Z d � Z RS( s�
OK Packet Wrapper. It uses an existing packet object, and wraps
around it, exposing useful variables while still providing access
to the original packet objects variables and methods.
c C s� | j � s/ t d t | j j � d � � n | | _ | j j d � | j j � | _ | j j � | _ | j
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� | _ | j t j @| _ d S( Ns Cannot create s object from invalid packet typei s <HH( R� R: RD R� R_ t packetR� R� t
affected_rowst insert_idR� t
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warning_countR� RK R t SERVER_MORE_RESULTS_EXISTSt has_next( R[ t from_packet( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR\ � s
c C s t | j | � S( N( t getattrR� ( R[ t key( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyt __getattr__� s ( R_ R` R� R\ R� ( ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s t EOFPacketWrapperc B s e Z d Z d � Z d � Z RS( s�
EOF Packet Wrapper. It uses an existing packet object, and wraps
around it, exposing useful variables while still providing access
to the original packet objects variables and methods.
c C s~ | j � s' t d j | j � � � n | | _ | j j d � \ | _ | _ t rg t d | j � n | j t
j @| _ d S( Ns3 Cannot create '{0}' object from invalid packet types <xhhs server_status=(
R� R: R. R� R� R� R� R� RC R2 R R� R� ( R[ R� ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR\ � s c C s t | j | � S( N( R� R� ( R[ R� ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s ( R_ R` R� R\ R� ( ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s t LoadLocalPacketWrapperc B s e Z d Z d � Z d � Z RS( s�
Load Local Packet Wrapper. It uses an existing packet object, and wraps
around it, exposing useful variables while still providing access
to the original packet objects variables and methods.
c C sc | j � s' t d j | j � � � n | | _ | j j � d | _ t r_ t d | j � n d S( Ns3 Cannot create '{0}' object from invalid packet typei s filename=( R� R: R. R� R� R} t filenameRC R2 ( R[ R� ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR\ � s c C s t | j | � S( N( R� R� ( R[ R� ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s ( R_ R` R� R\ R� ( ( ( s7 /usr/lib/python2.7/site-packages/pymysql/connections.pyR� � s
t
Connectionc B s~ e Z d Z d1 Z d Z e Z d1 d1 d d1 d d1 d d1 d1 d1 d1 d e d1 d d1 d1 d1 d1 d1 e d1 d1 e d3 e i d1 d1 d1 e d � Z d � Z
d � Z e d � � Z
d
� Z e Z d � Z d � Z d
� Z d � Z d � Z d � Z d � Z d � Z d � Z d1 d � Z d � Z d � Z d � Z d1 d � Z d � Z d � Z e d � Z e d � Z! d � Z" d � Z# e$ d � Z% d � Z& d1 d! � Z' d" � Z( e) d# � Z* d$ � Z+ d% � Z, e d& � Z- d' � Z. d( � Z/ d) � Z0 d* � Z1 d+ � Z2 d, � Z3 d- � Z4 d. � Z5 d/ � Z6 d0 � Z7 e8 j9 Z9 e8 j: Z: e8 j; Z; e8 j< Z< e8 j= Z= e8 j> Z> e8 j? Z? e8 j@ Z@ e8 jA ZA e8 jB ZB RS(4 s
Representation of a socket with a mysql server.
The proper way to get an instance of this class is to call
connect().
Establish a connection to the MySQL database. Accepts several
arguments:
:param host: Host where the database server is located
:param user: Username to log in as
:param password: Password to use.
:param database: Database to use, None to not use a particular one.
:param port: MySQL port to use, default is usually OK. (default: 3306)
:param bind_address: When the client has multiple network interfaces, specify
the interface from which to connect to the host. Argument can be
a hostname or an IP address.
:param unix_socket: Optionally, you can use a unix socket rather than TCP/IP.
:param charset: Charset you want to use.
:param sql_mode: Default SQL_MODE to use.
:param read_default_file:
Specifies my.cnf file to read these parameters from under the [client] section.
:param conv:
Conversion dictionary to use instead of the default one.
This is used to provide custom marshalling and unmarshaling of types.
See converters.
:param use_unicode:
Whether or not to default to unicode strings.
This option defaults to true for Py3k.
:param client_flag: Custom flags to send to MySQL. Find potential values in constants.CLIENT.
:param cursorclass: Custom cursor class to use.
:param init_command: Initial SQL statement to run when connection is established.
:param connect_timeout: Timeout before throwing an exception when connecting.
(default: 10, min: 1, max: 31536000)
:param ssl:
A dict of arguments similar to mysql_ssl_set()'s parameters.
For now the capath and cipher arguments are not supported.
:param read_default_group: Group to read from in the configuration file.
:param compress: Not supported
:param named_pipe: Not supported
:param autocommit: Autocommit mode. None means use server default. (default: False)
:param local_infile: Boolean to enable the use of LOAD DATA LOCAL command. (default: False)
:param max_allowed_packet: Max size of packet sent to server in bytes. (default: 16MB)
Only used to limit size of "LOAD LOCAL INFILE" data packet smaller than default (16KB).
:param defer_connect: Don't explicitly connect on contruction - wait for connect call.
(default: False)
:param auth_plugin_map: A dict of plugin names to a class that processes that plugin.
The class will take the Connection object as the argument to the constructor.
The class needs an authenticate method taking an authentication packet as
an argument. For the dialog plugin, a prompt(echo, prompt) method can be used
(if no authenticate method) for returning a string from the user. (experimental)
:param db: Alias for database. (for compatibility to MySQLdb)
:param passwd: Alias for password. (for compatibility to MySQLdb)
:param binary_prefix: Add _binary prefix on bytes and bytearray. (default: False)
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