Update controllers and modules to fix error.message.

controllers/publications.py

@@ -45,7 +45,7 @@ def update():
 
     # operation can be rejected by the database
     except Exception as dbe:
-        return json.dumps(dict(success=False, msg=dbe.message))
+        return json.dumps(dict(success=False, msg=str(dbe)))
 
     # operation can be reject by callbacks table._before_update
     if not rep:

controllers/wizards.py

@@ -404,7 +404,7 @@ def harvester():
 
     # operation is rejected by the database
     except Exception as dbe:
-        raise HTTP(500, dbe.message)
+        raise HTTP(500, str(dbe))
 
     # operation is rejected by the callback
     # NOTE in the else branch to avoid recursive exception generation

modules/harvest_tools/automaton.py

@@ -177,7 +177,7 @@ class Automaton(object):
 
         # operation can be rejected by the database
         except Exception as dbe:
-            self.logs[-1].reject(dbe.message, log_year)
+            self.logs[-1].reject(str(dbe), log_year)
             return 0
 
     def _is_record_in_db(self, title, host=None, rec_id=None, oai_url=None):