[Python] Fixed some more incompatibilities with Python 2.6

interfaces/cython/cantera/examples/multiphase/adiabatic.py

@@ -81,7 +81,7 @@ with open(csv_file, 'w') as outfile:
     writer.writerow(['phi','T (K)'] + mix.species_names)
     for i in range(npoints):
         writer.writerow([phi[i], tad[i]] + list(xeq[:,i]))
-print('Output written to {}'.format(csv_file))
+print('Output written to {0}'.format(csv_file))
 
 if '--plot' in sys.argv:
     import matplotlib.pyplot as plt

interfaces/cython/cantera/examples/multiphase/plasma_equilibrium.py

@@ -25,7 +25,7 @@ writer.writerow(['T'] + mix.species_names)
 # loop over temperature
 for n in range(100):
     t = 350.0 + 50.0*n
-    print('T = {}'.format(t))
+    print('T = {0}'.format(t))
     mix.T = t
     mix.P = ct.one_atm
     mix.species_moles = "K:1.03, H2:2.12, O2:0.9"

interfaces/cython/cantera/examples/onedim/flame_fixed_T.py

@@ -32,7 +32,7 @@ def getTempData(filename):
         except Exception:
             pass
 
-    print('read {} temperature values.'.format(len(z)))
+    print('read {0} temperature values.'.format(len(z)))
 
     # convert z values into non-dimensional relative positions.
     n = len(z)

interfaces/cython/cantera/examples/onedim/stagnation_flame.py

@@ -86,9 +86,9 @@ if os.path.exists(outfile):
 for m,md in enumerate(mdot):
     sim.inlet.mdot = md
     sim.solve(loglevel,refine_grid)
-    sim.save(outfile, 'mdot{}'.format(m), 'mdot = {} kg/m2/s'.format(md))
+    sim.save(outfile, 'mdot{0}'.format(m), 'mdot = {0} kg/m2/s'.format(md))
 
     # write the velocity, temperature, and mole fractions to a CSV file
-    sim.write_csv('stflame1_{}.csv'.format(m), quiet=False)
+    sim.write_csv('stflame1_{0}.csv'.format(m), quiet=False)
 
 sim.show_stats()

interfaces/cython/cantera/examples/reactors/surf_pfr.py

@@ -155,4 +155,4 @@ for n in range(NReactors):
                     list(gas.X) + list(surf.coverages))
 
 outfile.close()
-print("Results saved to '{}'".format(output_filename))
+print("Results saved to '{0}'".format(output_filename))

interfaces/cython/cantera/examples/surface_chemistry/sofc.py

@@ -45,7 +45,7 @@ TPB_length_per_area = 1.0e7  # TPB length per unit area [1/m]
 
 def show_coverages(s):
     """Print the coverages for surface s."""
-    print('\n{}\n'.format(s.name))
+    print('\n{0}\n'.format(s.name))
     cov = s.coverages
     names = s.species_names
     for n in range(s.n_species):

interfaces/cython/cantera/examples/thermo/rankine.py

@@ -39,7 +39,7 @@ def expand(fluid, p_final, eta):
 
 
 def printState(n, fluid):
-    print('\n***************** State {} ******************'.format(n))
+    print('\n***************** State {0} ******************'.format(n))
     print(fluid.report())
 
 

interfaces/cython/cantera/test/utilities.py

@@ -14,7 +14,7 @@ class CanteraTest(unittest.TestCase):
 
     def assertArrayNear(self, A, B, rtol=1e-8, atol=1e-12, msg=None):
         if len(A) != len(B):
-            self.fail("Arrays are of different lengths ({}, {})".format(len(A), len(B)))
+            self.fail("Arrays are of different lengths ({0}, {1})".format(len(A), len(B)))
         A = np.asarray(A)
         B = np.asarray(B)
 

test/python/testConvert.py

@@ -46,7 +46,7 @@ class chemkinConverterTest(utilities.CanteraTest):
             ref_s = ref.entropies_R()
             gas_s = gas.entropies_R()
             for i in range(gas.nSpecies()):
-                message = ' for species {} at T = {}'.format(i, T)
+                message = ' for species {0} at T = {1}'.format(i, T)
                 self.assertNear(ref_cp[i], gas_cp[i], 1e-7, msg='cp'+message)
                 self.assertNear(ref_h[i], gas_h[i], 1e-7, msg='h'+message)
                 self.assertNear(ref_s[i], gas_s[i], 1e-7, msg='s'+message)