Add initialisation of working dir

euroexange/euroexange.py

@@ -26,14 +26,39 @@ import jogobot
 
 class EuroExangeBot( pywikibot.bot.BaseBot ):
 
+    working_dir = os.path.dirname(os.path.realpath(__file__)) + "/../wdir"
+
     def __init__( self, genFactory, **kwargs ):
 
+        self.init_wdir()
+
         super().__init__(*kwargs)
 
     def run(self):
 
         pass
 
+    def init_wdir(self):
+        """
+        Make sure, the working directory exists
+        """
+
+        #Normalize working dir
+        self.wdir = os.path.realpath(type(self).working_dir)
+
+        if os.path.exists(self.wdir):
+
+            if os.path.isdir(self.wdir):
+                return
+            else:
+                raise OSError("Working directory at {} already exists, but is no directory".format(
+                self.wdir))
+
+        else:
+            os.makedirs( self.wdir )
+            jogobot.output( "Create empty working directory at {}".format(
+                self.wdir))
+
 
 def main(*args):
     """