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Save mysqldb-connection as class atribute to make it usable for all decandant classes of MYSQL_RED

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Jonathan Golder
2015-09-05 17:09:01 +02:00
parent 71b9d3301d
commit 597df69275
1 changed files with 10 additions and 4 deletions
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14
mysql_red.py
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@@ -6,6 +6,9 @@ except ImportError:
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
@@ -13,11 +16,14 @@ class MYSQL_RED:
@returns mysql-stream MySQL Connection
"""
self.__connection = mysqldb.connect( host=db_hostname, user=db_username, passwd=db_password, db=db_name )
# Connect to mysqldb only once
if( type( self ).connection == False ):
def close( self ):
type( self ).connection = mysqldb.connect( host=db_hostname, user=db_username, passwd=db_password, db=db_name )
def __del__( self ):
"""
Before deleting instance, close connection to MySQL-DB
Before deleting class, close connection to MySQL-DB
"""
self.__connection.close()
type( self ).connection.close()