About: Update about window and add VERSION file.

src/View/About/Window.py

@@ -1,8 +1,28 @@
 # -*- coding: utf-8 -*-
 
+import os
+import logging
+
 from View.ASubWindow import ASubWindow
 
+logger = logging.getLogger()
+
 class AboutWindow(ASubWindow):
     def __init__(self, title="About", parent=None):
         super(AboutWindow, self).__init__(name=title, ui="about", parent=parent)
         self.ui.setWindowTitle(title)
+
+        with open(
+                os.path.abspath(
+                    os.path.join(
+                        os.path.dirname(__file__),
+                        "..", "..", "VERSION"
+                    )
+                ), "r"
+        ) as f:
+            version = f.readline()
+            logger.info(version)
+
+            label = self.get_label_text("label_version")
+            label = label.replace("@version", version.strip())
+            self.set_label_text("label_version", label)