1 files changed, 23 insertions, 0 deletions
diff --git a/gui/helper.py b/gui/helper.py
new file mode 100644
index 0000000..615c87a
--- /dev/null
+++ b/gui/helper.py
@@ -0,0 +1,23 @@
+from PyQt5.QtWidgets import QMessageBox
+
+
+def append_file_extension(file_name, extension):
+        if not file_name.endswith('.' + extension):
+            return '{}.{}'.format(file_name, extension)
+        return file_name
+
+
+def error(errors):
+    message = '\n'.join(errors)
+    QMessageBox.critical(QMessageBox(), 'Error', message, QMessageBox.Close, QMessageBox.Escape)
+
+
+def warning(warnings):
+    message = '\n'.join(warnings)
+    QMessageBox.warning(QMessageBox(), 'Warning', message, QMessageBox.Close, QMessageBox.Escape)
+
+
+def check_errors(errors):
+    if errors:
+        error(errors)
+        raise SyntaxError