r5639 - trunk/gnue-common/src/rpc

[reinhard]

Author: reinhard
Date: 2004-04-05 08:03:09 -0500 (Mon, 05 Apr 2004)
New Revision: 5639

Modified:
   trunk/gnue-common/src/rpc/client.py
Log:
Much imporved DistantError handling.


Modified: trunk/gnue-common/src/rpc/client.py
===================================================================
--- trunk/gnue-common/src/rpc/client.py 2004-04-05 12:32:42 UTC (rev 5638)
+++ trunk/gnue-common/src/rpc/client.py 2004-04-05 13:03:09 UTC (rev 5639)
@@ -95,13 +95,25 @@
   pass
 
 # -----------------------------------------------------------------------------
-# An error which has occured on the server and which is
-# raised again on the server
+# An error which has occured on the server and is raised again on the client
 # -----------------------------------------------------------------------------
 
 class DistantError (Error):
-  pass
+  """
+  Indicates an exception that happened on the server side.
 
+  If e is an exception of this type, then e.message is the message text of the
+  exception that occured on the server side, e.type is a string containing the
+  name of the type of the server side exception, and e.detail is the complete
+  server side traceback.
+  """
+  def __init__ (self, traceback):
+    self.detail = traceback
+    list = string.split (traceback, '\n')
+    info = string.split (list [-2], ': ')
+    self.type = info [0]
+    Error.__init__ (self, info [1])
+
 # =============================================================================
 # Self test code - requires server.py running
 # =============================================================================
@@ -109,6 +121,7 @@
 if __name__ == '__main__':
 
   import traceback
+  from gnue.common.rpc import client # to recogize DistantError
 
   connection = attach ('xmlrpc', {})
 
@@ -129,8 +142,17 @@
   print 'testing exception ...'
   try:
     obj.exceptiontest ()
-  except:
+  except client.DistantError, e:
+    print "-" * 70
+    print "exception message:", e
+    print "-" * 70
+    print "local traceback:"
     traceback.print_exc ()
+    print "-" * 70
+    print "remote exception type:", e.type
+    print "-" * 70
+    print "remote exception detail:", e.detail
+    print "-" * 70
 
   print 'shutting donwn server ...'
   try: