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46 lines
1.5 KiB
46 lines
1.5 KiB
1 year ago
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#encoding: utf-8
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import mysql.connector
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import logging
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logging.basicConfig( format='%(asctime)-15s [%(levelname)s] %(funcName)s: %(message)s', level=logging.DEBUG)
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class DBConnection():
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def __init__(self):
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self.dbconnection = None
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#Verbindung zur Datenbank mit den übergebenen Werten herstellen.
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def connect(self, host, user, password, database):
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self.connection= mysql.connector.connect(host=host, user=user,password=password,database=database)
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# Verbindung trennen
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def disconnect(self):
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if self.connection is not None:
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self.connection.close()
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self.connection = None
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# Schüler-Record in die Tabelle einfügen.
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def insertSchueler(self,schueler):
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self.execute_query('insert into schueler (name,vorname) values(%s,%s)', (schueler['name'],schueler['vorname']))
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# Liefert True, wenn die Verbindung zur DB besteht, sonst False
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def isConnected(self):
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if self.connection is not None:
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return self.connection.is_connected()
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return False
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# Wenn DB-Verbindung besteht, wird der Cursor geliefert, sonst None
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def cursor(self):
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if self.isConnected():
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return self.connection.cursor()
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return None
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# Datenbank Kommando ausführen. Das params-Tupel wird in die Query eingesetzt.
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# Liefert ein Resultset zurück.
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def execute_query(self, query, params = None):
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if self.isConnected():
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cursor = self.cursor()
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if cursor is not None:
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cursor.execute(query,params) #Kommdo ausführen
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return cursor.fetchall() # Ergebnis zurückliefern.
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