r15919 - /branches/uf_redesign/generic_fns/pipes.py -- May 03, 2012 - 20:05

Author: bugman
Date: Thu May  3 20:05:09 2012
New Revision: 15919

URL: http://svn.gna.org/viewcvs/relax?rev=15919&view=rev
Log:
Shifted a check from the pipe.create front end to the back end.

Tests do not belong in the front end!  And this is not compatible with the 
new user function design.


Modified:
    branches/uf_redesign/generic_fns/pipes.py

Modified: branches/uf_redesign/generic_fns/pipes.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/uf_redesign/generic_fns/pipes.py?rev=15919&r1=15918&r2=15919&view=diff
==============================================================================
--- branches/uf_redesign/generic_fns/pipes.py (original)
+++ branches/uf_redesign/generic_fns/pipes.py Thu May  3 20:05:09 2012
@@ -68,6 +68,10 @@
     if pipe_to in list(ds.keys()):
         raise RelaxPipeError(pipe_to)
 
+    # Both pipe arguments cannot be None.
+    if pipe_from == None and pipe_to == None:
+        raise RelaxError("The pipe_from and pipe_to arguments cannot both be 
set to None.")
+
     # Acquire the pipe lock (data modifying function), and make sure it is 
finally released.
     status.pipe_lock.acquire(sys._getframe().f_code.co_name)
     try: