Store current job in bot object

For not having to provide it for each dependend method as param

euroexange/euroexange.py

@@ -203,15 +203,20 @@ class EuroExangeBot( pywikibot.bot.BaseBot ):
         @type job: EuroExangeBotJob
         """
 
+        # Store reference to current job in Bot obj
+        self.current_job = job
+
         # Log job
         jogobot.output( "Work on Job {}".format(job.image) )
 
         # Get file page
-        filepage = pywikibot.page.FilePage(pywikibot.Site(), job.image)
+        self.current_job.filepage = pywikibot.page.FilePage(
+            pywikibot.Site(), job.image)
 
         # Stop if file not jet exists
-        if not filepage.exists():
-            jogobot.output( "Work on Job {}".format(job.image), "ERROR" )
+        if not self.current_job.filepage.exists():
+            jogobot.output( "Work on Job {}".format( self.current_job.image),
+                                                     "ERROR" )
             raise pywikibot.NoPage( filepage )
 
         self.call_gnuplot( job )