1 files changed, 107 insertions, 0 deletions
diff --git a/plugins/python/welcome/version.py b/plugins/python/welcome/version.py
new file mode 100644
index 0000000..37ba001
--- /dev/null
+++ b/plugins/python/welcome/version.py
@@ -0,0 +1,107 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+from welcome.board import SmallBoard
+from gi.repository import Gtk
+import pychrysalide
+
+try:
+    import urllib3
+    has_urllib3 = True
+except:
+    has_urllib3 = False
+
+
+class VersionChecker(SmallBoard):
+    """Affichage des versions courante et disponible, ainsi que des conclusions associées."""
+
+
+    def __init__(self):
+        """Construit le panneau avec son contenu."""
+
+        super(VersionChecker, self).__init__()
+
+        current = pychrysalide.revision()
+
+        if has_urllib3:
+
+            lastest = self.get_lastest_version('community')            
+            up2date = self.get_update_status(current, lastest)
+
+            if lastest != None and up2date != None:
+
+                msg = '''Your version is: <b>%s</b>
+
+Lastest version is: <b>%s</b>'''
+
+                caption = msg % (current, lastest if lastest != None else 'unknown')
+
+                if up2date:
+                    caption = caption + '''
+
+Your software is <span color='green'><b>up-to-date</b></span>.'''
+                else:
+                    caption = caption + '''
+
+Your software is <b><span color='red'>outdated</span></b>.'''
+
+            else:
+
+                msg = '''Your version is: <b>%s</b>
+            
+An error occurred while dealing with revision numbers.'''
+
+                caption = msg % current
+
+        else:
+
+            msg = '''Your version is: <b>%s</b>
+
+To display the lastest available version, please install the <b>urllib3</b> package for Python.'''
+
+            caption = msg % current
+
+        desc = Gtk.Label(caption, use_markup=True, wrap=True)
+        desc.set_track_visited_links(False)
+        self.add(desc)
+
+
+    def get_lastest_version(self, category):
+        """Retrouve la dernière version disponible à partir du site officiel."""
+
+        lastest = None
+
+        http = urllib3.PoolManager()
+        request = http.request('GET', 'http://localhost/mediawiki/data/versions')
+
+        html = request.data.decode('utf-8')
+
+        request.release_conn()
+
+        available = html.split('\n')
+
+        for a in available:
+            desc = a.split('=')
+            if desc[0] == category:
+                lastest = desc[1]
+                break
+
+        return lastest
+
+
+    def get_update_status(self, current, lastest):
+        """Détermine le degré de mise à jour du système."""
+
+        if current[0] != 'r' or lastest[0] != 'r':
+            return None
+
+        cur_rev = int(current[1:])
+        last_rev = int(lastest[1:])
+
+        return (cur_rev >= last_rev)
+
+
+    def get_location(self):
+        """Fournit la localisation souhaitée pour la plache."""
+
+        return [ 2, 0, 1, 1 ]