Clear session metadata cache on startup

plexpy/__init__.py

@@ -15,6 +15,7 @@
 
 import os
 from Queue import Queue
+import shutil
 import sqlite3
 import sys
 import subprocess
@@ -156,6 +157,16 @@ def initialize(config_file):
             except OSError as e:
                 logger.error(u"Could not create cache dir '%s': %s" % (CONFIG.CACHE_DIR, e))
 
+        if CONFIG.CACHE_DIR:
+            session_metadata_folder = os.path.join(CONFIG.CACHE_DIR, 'session_metadata')
+            try:
+                shutil.rmtree(session_metadata_folder, ignore_errors=True)
+            except OSError as e:
+                pass
+
+            if not os.path.exists(session_metadata_folder):
+                os.mkdir(session_metadata_folder)
+
         # Initialize the database
         logger.info(u"Checking if the database upgrades are required...")
         try: