refactoring for pull/processing abstraction

main.py

@@ -0,0 +1,12 @@
+import os
+import sys
+import time
+import json
+import auth
+import pull
+import process
+import logging
+
+cache = json.load(open(os.path.join(sys.path[0], f'.cache-{auth.username}')))
+if time.time() > cache['expires_at']:
+    pull.main()