[open-ils-commits] r8402 - trunk/Open-ILS/src/python/oils

[svn at svn.open-ils.org]

Author: erickson
Date: 2008-01-17 12:57:34 -0500 (Thu, 17 Jan 2008)
New Revision: 8402

Modified:
   trunk/Open-ILS/src/python/oils/event.py
Log:
added a to_ex method to turn the event into an exception and a runtime raise_and_parse method for 1-line event handling

Modified: trunk/Open-ILS/src/python/oils/event.py
===================================================================
--- trunk/Open-ILS/src/python/oils/event.py	2008-01-17 17:56:49 UTC (rev 8401)
+++ trunk/Open-ILS/src/python/oils/event.py	2008-01-17 17:57:34 UTC (rev 8402)
@@ -1,3 +1,4 @@
+import osrf.ex
 
 class Event(object):
     ''' Generic ILS event object '''
@@ -2,2 +3,3 @@
 
+
     def __init__(self, evt_hash={}):
@@ -20,6 +22,10 @@
 
     # XXX eventually, add events file parsing...
 
+    def to_ex(self):
+        return EventException(unicode(self))
+        
+
     @staticmethod
     def parse_event(evt=None):
         ''' If the provided evt object is a dictionary object that looks
@@ -30,3 +36,17 @@
             return Event(evt)
 
         return None
+
+    @staticmethod
+    def parse_and_raise(evt=None):
+        ''' Parses with parse_event.  If the resulting event is a non-success
+            event, it is converted to an exception and raised '''
+        evt = Event.parse_event(evt)
+        if evt and not evt.success:
+            raise evt.to_ex()
+
+
+class EventException(osrf.ex.OSRFException):
+    ''' A throw-able exception wrapper for events '''
+    pass
+