config loading, data directory, more logging

core/config.py

@@ -1,16 +1,28 @@
 import json
 import os
+import time
+import sys
 
 
 class Config(dict):
-    def __init__(self, name, *args, **kwargs):
-        self.path = os.path.abspath("{}.json".format(name))
+    def __init__(self, name, logger, *args, **kwargs):
+        self.path = os.path.abspath("{}.config.json".format(name))
+        self.logger = logger
         self.update(*args, **kwargs)
 
     def load_config(self):
+        if not os.path.exists(self.path):
+            # if there is no config, show an error and die
+            self.logger.critical("No config file found, bot shutting down!")
+            print "No config file found! Bot shutting down in five seconds."
+            print "Copy 'cloudbot.default.json' to 'cloudbot.config.json' for defaults."
+            print "For help, see http://git.io/cloudbotirc. Thank you for using CloudBot!"
+            time.sleep(5)
+            sys.exit()
+
         with open(self.path) as f:
             self.update(json.load(f))
-
+            self.logger.info("Config reloaded.")
 
     def save_config(self):
-        pass
+        json.dump(self, open(self.path, 'w'), sort_keys=True, indent=2)