r5483 - /1.3/data/mol_res_spin.py -- April 09, 2008 - 11:19

Author: bugman
Date: Wed Apr  9 11:13:23 2008
New Revision: 5483

URL: http://svn.gna.org/viewcvs/relax?rev=5483&view=rev
Log:
Created the MoleculeContainer.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=5483&r1=5482&r2=5483&view=diff
==============================================================================
--- 1.3/data/mol_res_spin.py (original)
+++ 1.3/data/mol_res_spin.py Wed Apr  9 11:13:23 2008
@@ -377,6 +377,43 @@
         return text
 
 
+    def is_empty(self):
+        """Method for testing if this MoleculeContainer object is empty.
+
+        @return:    True if this container is empty and the molecule name 
has not been set, False
+                    otherwise.
+        @rtype:     bool
+        """
+
+        # The molecule name has been set.
+        if self.name != None:
+            return False
+
+        # An object has been added to the container.
+        for name in dir(self):
+            # Skip the objects initialised in __init__().
+            if name == 'name' or name == 'select' or name == 'res':
+                continue
+
+            # Skip the MoleculeContainer methods.
+            if name == 'is_empty':
+                continue
+
+            # Skip special objects.
+            if match("^__", name):
+                continue
+
+            # An object has been added.
+            return False
+
+        # The residue list is not empty.
+        if not self.res.is_empty():
+            return False
+
+        # The MoleculeContainer is unmodified.
+        return True
+
+
 class MoleculeList(list):
     """List type data container for the molecule specific data."""