From 41a9e0f1792271445e2f9a5b069732470be52b15 Mon Sep 17 00:00:00 2001
From: Thiago Franco de Moraes <totonixsame@gmail.com>
Date: Fri, 12 May 2017 11:49:32 -0300
Subject: [PATCH] Better version comparison

---
 invesalius/utils.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/invesalius/utils.py b/invesalius/utils.py
index a865b82..f675788 100644
--- a/invesalius/utils.py
+++ b/invesalius/utils.py
@@ -23,6 +23,8 @@ import re
 import locale
 import math
 
+from distutils.version import LooseVersion
+
 import numpy as np
 
 def format_time(value):
@@ -416,7 +418,14 @@ def UpdateCheck():
             return
         last = response.readline().rstrip()
         url = response.readline().rstrip()
-        if (last!=const.INVESALIUS_VERSION):
+
+        try:
+            last_ver = LooseVersion(last)
+            actual_ver = LooseVersion(const.INVESALIUS_VERSION)
+        except (ValueError, AttributeError):
+            return
+
+        if last_ver > actual_ver:
             print "  ...New update found!!! -> version:", last #, ", url=",url
             wx.CallAfter(wx.CallLater, 1000, _show_update_info)
 
--
libgit2 0.21.2