Native gui: implement data lists for all modules

yms/model/dbrecord.py

@@ -18,6 +18,7 @@ class DbRecord:
             raise TypeError("DbRecord subclass must define 'fields'")
 
         self.db = db
+        self.cur = db.cur
         self.dcur = db.dcur
         self.conn = db.conn
         self.last_update = None
@@ -32,9 +33,10 @@ class DbRecord:
             self.clear()
 
     def clear(self):
+        self.data = {} # for old/new checks
         for field in self.fields:
             setattr(self, field, None)
-        self.data = {} # for old/new checks
+            self.data[field] = None
 
     def load(self, record_id=None):
         if record_id is not None:
@@ -47,6 +49,8 @@ class DbRecord:
             self.dcur.execute(sql, (self.pk_value,))
             self.data = self.dcur.fetchone()
         except Exception as e:
+            print(e)
+            print(sql)
             self.db.error = e
             self.clear()
             return False
@@ -83,6 +87,9 @@ class DbRecord:
             try:
                 self.dcur.execute(sql, values)
             except Exception as e:
+                print(e)
+                print(sql)
+                print(values)
                 self.db.error = e
                 return False
         for field in self.fields:
@@ -106,6 +113,9 @@ class DbRecord:
         try:
             self.dcur.execute(sql, values)
         except Exception as e:
+            print(e)
+            print(sql)
+            print(values)
             self.db.error = e
             return False       
         self.pk_value = self.dcur.lastrowid
@@ -120,6 +130,8 @@ class DbRecord:
         try:
             self.dcur.execute(sql, (record_id,))
         except Exception as e:
+            print(e)
+            print(sql)
             self.db.error = e
             return False
         if self.dcur.rowcount != 1: