I dunno something with colors

lib/qsqlmod.py

@@ -0,0 +1,38 @@
+#modifie the QSqlQueryModel to be editable and sets them to the database
+
+#credits to :
+#https://stackoverflow.com/questions/49752388/editable-qtableview-of-complex-sql-query
+
+
+class SqlQueryModel_editable(QSqlQueryModel):
+    """a subclass of QSqlQueryModel where individual columns can be defined as editable
+    """
+    def __init__(self, editables):
+        """editables should be a dict of format: 
+        {INT editable_column_nr : (STR update query to be performed when changes are made on this column
+                                   INT model's column number for the filter-column (used in the where-clause),
+                                   )} 
+        """
+        super().__init__()
+        self.editables = editables
+
+    def flags(self, index):
+        fl = QSqlQueryModel.flags(self, index)
+        if index.column() in self.editables:
+            fl |= Qt.ItemIsEditable
+        return fl
+
+    def setData(self, index, value, role=Qt.EditRole):
+        if role == Qt.EditRole:
+            mycolumn = index.column()
+            if mycolumn in self.editables:
+                (query, filter_col) = self.editables[mycolumn]
+                filter_value = self.index(index.row(), filter_col).data()
+                q = QSqlQuery(query.format(value, filter_value))
+                result = q.exec_()
+                if result:
+                    self.query().exec_()
+                else:
+                    print(self.query().lastError().text())
+                return result
+        return QSqlQueryModel.setData(self, index, value, role)