now added it

lib/DB/AddressDAO.py

@@ -32,9 +32,14 @@ class AddressDAO:
                 print("FINISHED")#
 
     def getAddressData(self, all = True, zipcode = None):
-        if self.__cur:
-            self.__cur.callproc("getAddress", (all, zipcode,))
-            self.__data = self.__cur.fetchall()
-            return self.__data
-        else:
-            return None
+        try:
+            if self.__cur:
+                self.__cur.callproc("getAddress", (all, zipcode,))
+                self.__data = self.__cur.fetchall()
+                return self.__data
+            else:
+                return None
+        except mariadb.Error as e:
+            print(str(e))
+
+

lib/DB/BTypeDAO.py

@@ -10,9 +10,12 @@ class BTypeDAO:
             self.__cur = self.__con.cursor()
 
     def getBType(self):
-        if self.__cur:
-            self.__cur.callproc("getBtype", (None, None, ))
-            data = self.__cur.fetchall()
-            return(data)
-        else:
-            return None
+        try:
+            if self.__cur:
+                self.__cur.callproc("getBtype", (None, None, ))
+                data = self.__cur.fetchall()
+                return(data)
+            else:
+                return None
+        except mariadb.Error as e:
+            print(str(e))

lib/DB/BusinessDAO.py

@@ -17,12 +17,15 @@ class BusinessDAO(QObject):
             self.__cur = self.__con.cursor()
 
     def getBusiness(self, enc_key, criterion = "Alle"):
-        if self.__cur:
-            self.__cur.callproc("getCustomerView", (enc_key, criterion,))
-            self.__all_cols = [desc[0] for desc in self.__cur.description]
-            return  self.__cur.fetchall(), self.__all_cols
-        else:
-            return None, None
+        try:
+            if self.__cur:
+                self.__cur.callproc("getCustomerView", (enc_key, criterion,))
+                self.__all_cols = [desc[0] for desc in self.__cur.description]
+                return  self.__cur.fetchall(), self.__all_cols
+            else:
+                return None, None
+        except mariadb.Error as e:
+            print(str(e))
 
     def addBusiness(self, data, contact_id):
         try:

lib/DB/UserDAO.py

@@ -26,12 +26,14 @@ class UserDAO:
             return user_created
 
     def getUser(self, username):
-        if self.__cur:
-            self.__cur.callproc("getUser", (username,))
-            return self.__cur.fetchone()
-        else:
-            return None
-
+        try:
+            if self.__cur:
+                self.__cur.callproc("getUser", (username,))
+                return self.__cur.fetchone()
+            else:
+                return None
+        except mariadb.Error as e:
+            print(str(e))