From f0978d26e2c6f7cedcc8966ad8686589cbc9c67c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?GOLDERWEB=20=E2=80=93=20Jonathan=20Golder?=
 <jonathan@golderweb.de>
Date: Sat, 7 Nov 2015 21:11:43 +0100
Subject: [PATCH] Automatic year change detection

---
 charts.py | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/charts.py b/charts.py
index 60a8d0a..20e8c8a 100644
--- a/charts.py
+++ b/charts.py
@@ -186,7 +186,6 @@ entry %s'
         """
         Handles the parsing process of ref list
         """
-
         # Create Page-Object for Chartslist
         ref_list_page = pywikibot.Page( self.site, ref_list_link.title )
 
@@ -194,8 +193,10 @@ entry %s'
         if( ref_list_page.latest_revision_id ==  ref_list_revid ):
             return False
 
-        # We need the year related to ref_list_link
-        year = int(ref_list_page.title()[-5:-1])
+        # Try to find list related year
+        year = datetime.now().year
+        if str( year ) not in ref_list_page.title():
+            year = year - 1
 
         # Parse charts list with mwparser
         wikicode = mwparser.parse( ref_list_page.text )
@@ -275,7 +276,21 @@ entry %s'
         """
         """
         # Get mwparser.wikilink object
-        return next( entry.get("Liste").value.ifilter_wikilinks() )
+        link = next( entry.get("Liste").value.ifilter_wikilinks() )
+
+        year = datetime.now().year
+
+        old_link_title = link.title
+
+        # If year in link is lower then current year replace it
+        link.title = str(link.title).replace( str( year-1 ), str( year ) )
+
+        if ( pywikibot.Page( self.site, link.title).exists() ):
+            return link
+        else:
+            link.title = old_link_title
+            return link
+
 
     def calculate_chartein( self, entry, data ):
         """