try:
	import oursql as mysqldb
except ImportError:
	import MySQLdb as mysqldb

class MYSQL_RED:
	
	#Save mysqldb-connection as class attribute to use only one in descendant classes
	connection = False
	
	def __init__( self, db_hostname, db_username, db_password, db_name ):
		"""
		Opens a connection to MySQL-DB
		
		@returns 	mysql-stream	MySQL Connection
		"""
		
		# Connect to mysqldb only once
		if( type( self ).connection == False ):
			
			type( self ).connection = mysqldb.connect( host=db_hostname, user=db_username, passwd=db_password, db=db_name )
		
	def __del__( self ):
		"""
		Before deleting class, close connection to MySQL-DB
		"""
		
		type( self ).connection.close()

class MYSQL_RED_PAGE( MYSQL_RED ):
	
	def __init__( self, db_hostname, db_username, db_password, db_name ):
		"""
		Creates a new instance, runs __init__ of parent class
		"""
		super().__init__( db_hostname, db_username, db_password, db_name )
	
	
	def get_page( self, page_id ):
		"""
		Retrieves a red page row from MySQL-Database for given page_id
		
		@param		int		page_id		MediaWiki page_id for page to retrieve
		
		@returns	tuple				Tuple with data for given page_id otherwise if none found
					bool	FALSE
		"""
		cursor = type( self ).connection.cursor(mysqldb.DictCursor)
		
		cursor.execute( 'SELECT * FROM `red_pages` WHERE `page_id` = ?;', ( page_id, ) )
		res = cursor.fetchone()
		
		if res:
			return res
		else:
			return False

class MYSQL_RED_FAM( MYSQL_RED ):
	
	def __init__( self, db_hostname, db_username, db_password, db_name ):
		"""
		Creates a new instance, runs __init__ of parent class
		"""
		super().__init__( db_hostname, db_username, db_password, db_name )