r25112 - /trunk/pipe_control/value.py -- August 20, 2014 - 19:16

Author: tlinnet
Date: Wed Aug 20 19:16:07 2014
New Revision: 25112

URL: http://svn.gna.org/viewcvs/relax?rev=25112&view=rev
Log:
Implemented to the back_end of the value.copy, a "force" flag to overwrite 
destination value.

Modified:
    trunk/pipe_control/value.py

Modified: trunk/pipe_control/value.py
URL: 
http://svn.gna.org/viewcvs/relax/trunk/pipe_control/value.py?rev=25112&r1=25111&r2=25112&view=diff
==============================================================================
--- trunk/pipe_control/value.py (original)
+++ trunk/pipe_control/value.py Wed Aug 20 19:16:07 2014
@@ -38,7 +38,7 @@
 from status import Status; status = Status()
 
 
-def copy(pipe_from=None, pipe_to=None, param=None):
+def copy(pipe_from=None, pipe_to=None, param=None, force=False):
     """Copy spin specific data values from pipe_from to pipe_to.
 
     @param pipe_from:   The data pipe to copy the value from.  This defaults 
to the current data
@@ -48,6 +48,8 @@
     @type pipe_to:      str
     @param param:       The name of the parameter to copy the values of.
     @type param:        str
+    @keyword force:     A flag forcing the overwriting of current values.
+    @type force:        bool
     """
 
     # The current data pipe.
@@ -72,13 +74,14 @@
     api = return_api(pipe_name=pipe_from)
 
     # Test if the data exists for pipe_to.
-    for spin in spin_loop(pipe=pipe_to):
-        # Get the value and error for pipe_to.
-        value, error = api.return_value(spin, param)
-
-        # Data exists.
-        if value != None or error != None:
-            raise RelaxValueError(param, pipe_to)
+    if force == False:
+        for spin in spin_loop(pipe=pipe_to):
+            # Get the value and error for pipe_to.
+            value, error = api.return_value(spin, param)
+
+            # Data exists.
+            if value != None or error != None:
+                raise RelaxValueError(param, pipe_to)
 
     # Switch to the data pipe to copy values to.
     pipes.switch(pipe_to)
@@ -90,9 +93,9 @@
 
         # Set the values of pipe_to.
         if value != None:
-            set(spin_id=spin_id, val=value, param=param, pipe=pipe_to)
+            set(spin_id=spin_id, val=value, param=param, pipe=pipe_to, 
force=force)
         if error != None:
-            set(spin_id=spin_id, val=error, param=param, pipe=pipe_to, 
error=True)
+            set(spin_id=spin_id, val=error, param=param, pipe=pipe_to, 
error=True, force=force)
 
     # Reset all minimisation statistics.
     minimise.reset_min_stats(pipe_to)