255 lines
7.8 KiB
Python
255 lines
7.8 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# mysqlred.py
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#
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# Copyright 2015 GOLDERWEB – Jonathan Golder <jonathan@golderweb.de>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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#
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"""
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Provides interface classes for communication of redundances bot with mysql-db
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"""
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# Prefere using oursql then MySQLdb
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try:
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import oursql as mysqldb
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except ImportError:
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import MySQLdb as mysqldb
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from pywikibot import config
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class MysqlRed:
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"""
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Basic interface class, containing opening of connection
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Specific querys should be defined in descendant classes per data type
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"""
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# Save mysqldb-connection as class attribute to use only one
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# in descendant classes
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connection = False
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db_hostname = config.db_hostname
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db_username = config.db_username
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db_password = config.db_password
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db_name = config.db_username + '__bot'
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def __init__( self ):
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"""
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Opens a connection to MySQL-DB
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@returns mysql-stream MySQL Connection
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"""
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# Connect to mysqldb only once
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if not type( self ).connection:
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type( self ).connection = mysqldb.connect(
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host=type( self ).db_hostname,
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user=type( self ).db_username,
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passwd=type( self ).db_password,
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db=type( self ).db_name )
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def __del__( self ):
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"""
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Before deleting class, close connection to MySQL-DB
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"""
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type( self ).connection.close()
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class MysqlRedPage( MysqlRed ):
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"""
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MySQL-db Interface for handling querys for RedPages
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"""
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def __init__( self, page_id ):
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"""
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Creates a new instance, runs __init__ of parent class
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"""
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super().__init__( )
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self.__page_id = int( page_id )
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self.data = self.get_page()
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def __del__( self ):
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pass
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def get_page( self ):
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"""
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Retrieves a red page row from MySQL-Database for given page_id
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@param int page_id MediaWiki page_id for page to retrieve
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@returns tuple Tuple with data for given page_id
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bool FALSE if none found
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"""
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cursor = type( self ).connection.cursor(mysqldb.DictCursor)
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cursor.execute( 'SELECT * FROM `red_pages` WHERE `page_id` = ?;',
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( self.__page_id, ) )
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res = cursor.fetchone()
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if res:
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return res
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else:
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return False
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def add_page( self, page_title, rev_id, status=0 ):
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"""
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Inserts a red page row in MySQL-Database for given page_id
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@param int rev_id MediaWiki current rev_id
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@param str page_title MediaWiki new page_title
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@param int status Page parsing status
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"""
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cursor = type( self ).connection.cursor()
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if not page_title:
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page_title = self.data[ 'page_title' ]
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if not rev_id:
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rev_id = self.data[ 'rev_id' ]
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query = 'INSERT INTO `red_pages` \
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( page_id, page_title, rev_id, status ) \
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VALUES ( ?, ?, ?, ? );'
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data = ( self.__page_id, page_title, rev_id, status )
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cursor.execute( query, data)
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type( self ).connection.commit()
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self.data = self.get_page()
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def update_page( self, rev_id=None, page_title=None, status=0 ):
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"""
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Updates the red page row in MySQL-Database for given page_id
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@param int rev_id MediaWiki current rev_id
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@param str page_title MediaWiki new page_title
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@param int status Page parsing status
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"""
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cursor = type( self ).connection.cursor()
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if not page_title:
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page_title = self.data[ 'page_title' ]
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if not rev_id:
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rev_id = self.data[ 'rev_id' ]
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query = 'UPDATE `red_pages` \
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SET `page_title` = ?, `rev_id` = ?, `status`= ? \
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WHERE `page_id` = ?;'
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data = ( page_title, rev_id, status, self.__page_id )
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cursor.execute( query, data)
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type( self ).connection.commit()
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class MysqlRedFam( MysqlRed ):
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"""
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MySQL-db Interface for handling querys for RedFams
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"""
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def __init__( self, fam_hash ):
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"""
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Creates a new instance, runs __init__ of parent class
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"""
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super().__init__( )
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self.__fam_hash = fam_hash
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self.data = self.get_fam()
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def __del__( self ):
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pass
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def get_fam( self ):
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"""
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Retrieves a red family row from MySQL-Database for given fam_hash
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@returns dict Dictionairy with data for given fam hash
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False if none found
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"""
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cursor = type( self ).connection.cursor( mysqldb.DictCursor )
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cursor.execute( 'SELECT * FROM `red_families` WHERE `fam_hash` = ?;',
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( self.__fam_hash, ) )
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res = cursor.fetchone()
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if res:
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return res
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else:
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return False
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def add_fam( self, articlesList, heading, red_page_id,
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beginning, ending=None, status=0 ):
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cursor = type( self ).connection.cursor()
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query = 'INSERT INTO `red_families` \
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( fam_hash, red_page_id, beginning, ending, status, heading, \
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article0, article1, article2, article3, \
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article4, article5, article6, article7 ) \
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VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? );'
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data = [ self.__fam_hash, red_page_id, beginning, ending,
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status, heading ]
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for article in articlesList:
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data.append( str( article ) )
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while len( data ) < 14:
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data.append( None )
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data = tuple( data )
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cursor.execute( query, data)
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type( self ).connection.commit()
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self.data = self.get_fam()
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def update_fam( self, red_page_id, heading, beginning, ending, status ):
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"""
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Updates the red fam row in MySQL-Database for given fam_hash
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@param int red_page_id MediaWiki page_id
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@param datetime beginning Timestamp of beginning
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qparam datetime ending Timestamp of ending of
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@param int status red_fam status
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"""
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cursor = type( self ).connection.cursor()
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query = 'UPDATE `red_families` \
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SET `red_page_id` = ?, `heading` = ?, `beginning` = ?, \
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`ending` = ?, `status`= ? WHERE `fam_hash` = ?;'
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data = ( red_page_id, heading, beginning,
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ending, status, self.__fam_hash )
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cursor.execute( query, data)
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type( self ).connection.commit()
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