Better error for an Arbitrary story that fetches no content

leech.py

@@ -111,10 +111,10 @@ def open_story(site, url, session, login, options):
     try:
         story = handler.extract(url)
     except sites.SiteException as e:
-        logger.error(e.args)
+        logger.error(e)
         return
     if not story:
-        raise Exception("Couldn't extract story")
+        logger.error("Couldn't extract story")
     return story
 
 

sites/arbitrary.py

@@ -6,7 +6,7 @@ import datetime
 import json
 import re
 import os.path
-from . import register, Site, Section, Chapter
+from . import register, Site, Section, Chapter, SiteException
 
 logger = logging.getLogger(__name__)
 
@@ -94,6 +94,9 @@ class Arbitrary(Site):
                 else:
                     content_url = False
 
+        if not story:
+            raise SiteException("No story content found; check the content selectors")
+
         return story
 
     def _chapter(self, url, definition, title=False):