r5486 - /1.3/data/mol_res_spin.py -- April 09, 2008 - 11:19

Author: bugman
Date: Wed Apr  9 11:19:37 2008
New Revision: 5486

URL: http://svn.gna.org/viewcvs/relax?rev=5486&view=rev
Log:
Created the MoleculeList.is_empty() method.


Modified:
    1.3/data/mol_res_spin.py

Modified: 1.3/data/mol_res_spin.py
URL: 
http://svn.gna.org/viewcvs/relax/1.3/data/mol_res_spin.py?rev=5486&r1=5485&r2=5486&view=diff
==============================================================================
--- 1.3/data/mol_res_spin.py (original)
+++ 1.3/data/mol_res_spin.py Wed Apr  9 11:19:37 2008
@@ -455,3 +455,19 @@
         # Otherwise append an empty MoleculeContainer.
         else:
             self.append(MoleculeContainer(mol_name, select))
+
+
+    def is_empty(self):
+        """Method for testing if this MoleculeList object is empty.
+
+        @return:    True if this list only has one MoleculeContainer and the 
molecule name has not
+                    been set, False otherwise.
+        @rtype:     bool
+        """
+
+        # There is only one MoleculeContainer and it is empty.
+        if len(self) == 1 and self[0].is_empty():
+            return True
+
+        # Otherwise.
+        return False