add config.dbm_supported

Contents/Code/interface/menu.py

@@ -201,7 +201,7 @@ def ValidatePrefs():
     for attr in [
             "app_support_path", "data_path", "data_items_path", "enable_agent",
             "enable_channel", "permissions_ok", "missing_permissions", "fs_encoding", "enforce_encoding",
-            "subtitle_destination_folder"]:
+            "subtitle_destination_folder", "dbm_supported"]:
         Log.Debug("config.%s: %s", attr, getattr(config, attr))
 
     for attr in ["plugin_log_path", "server_log_path"]:

Contents/Code/support/config.py

@@ -52,6 +52,7 @@ class Config(object):
     universal_plex_token = None
     plex_token = None
     is_development = False
+    dbm_supported = False
 
     enable_channel = True
     enable_agent = True
@@ -148,6 +149,7 @@ class Config(object):
         use_fallback_cache = True
         names = ['dbhash', 'gdbm', 'dbm', 'dumbdbm']
         defaultmod = None
+        self.dbm_supported = False
 
         if impawrt:
             for name in names:
@@ -164,6 +166,7 @@ class Config(object):
                                             arguments={'filename': os.path.join(config.data_items_path, 'subzero.dbm'),
                                                        'lock_factory': MutexLock})
                 use_fallback_cache = False
+                self.dbm_supported = True
                 Log.Info("Using file based cache!")
             except:
                 pass