Add set_endpoint method to api.py

Better than writing to a global variable

api.py

@@ -3,8 +3,11 @@ from urllib.parse import urlencode
 from functools import wraps
 import api
 
-# This will be overwritten by config
+# This must be set to be able to use it on remote hosts
 BASE_URL = "http://localhost:8080/api"
+def set_endpoint(base_url:str):
+    global BASE_URL
+    BASE_URL = base_url
 
 # Exceptions:
 class APIError(Exception): pass

main.py

@@ -18,7 +18,7 @@ def main(config):
 		start_kwargs = {"standalone":config.standalone}
 	
 	# start the webserver:
-	api.BASE_URL = config.api_base
+	api.set_endpoint(config.api_base)
 	start(
 		gui.MyApp,
 		title = "Gregorz",