Changeset 2386

Timestamp:

Feb 22, 2010 1:14:30 AM (11 years ago)

Author:

wehart

Message:

Adding a work-around when FDT fails.

File:

• coopr.fdt/trunk/coopr/fdt/FDT.py (modified) (2 diffs)

coopr.fdt/trunk/coopr/fdt/FDT.py

@@ -3 +3 @@
 import copy
 from pyutilib.misc import Container, Options
-import bidict
+try:
+    import bidict
+    using_bidict=True
+except:
+    using_bidict=False
 from pyutilib.component.core import implements
 from coopr.pyomo import *
@@ -219 +223 @@
                 var.fixed = True
         reduced_instance = apply_transformation('eliminate_fixed_vars', instance)
-        varmap=bidict.bidict()
+        if using_bidict:
+            varmap=bidict.bidict()
+        else:
+            varmap={}
         for i in xsequence(len(reduced_instance.variables())):
             varmap[ reduced_instance.variable(i).id ] = reduced_instance.variable(i)._old_id