[Python] Unnormalized mass/mole fractions do not work with Quantity

Needing to go through the "native" state for the phase does not necessarily preserve unnormalized mass and mole fractions.
Cantera · Jun 29, 2023 · 25fee18 · 25fee18
1 parent d3a545e
commit 25fee18
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diff --git a/interfaces/cython/cantera/composite.py b/interfaces/cython/cantera/composite.py
@@ -391,6 +391,8 @@ def f(self, *args, **kwargs):
 for _attr in dir(Solution):
     if _attr.startswith('_') or _attr in Quantity.__dict__ or _attr == 'state':
         continue
+    if _attr.startswith('set_unnormalized'):
+        continue
     else:
         _orig = getattr(Solution, _attr)
         if hasattr(_orig, "__call__"):

diff --git a/test/python/test_thermo.py b/test/python/test_thermo.py
@@ -1756,6 +1756,12 @@ def test_invalid_setter(self):
         with self.assertRaises(AttributeError):
             q1.HPQ = self.gas.H, self.gas.P, 1
 
+        with pytest.raises(AttributeError):
+            q1.set_unnormalized_mass_fractions(np.ones(q1.n_species))
+
+        with pytest.raises(AttributeError):
+            q1.set_unnormalized_mole_fractions(np.ones(q1.n_species))
+
     def test_incompatible(self):
         gas2 = ct.Solution('h2o2.yaml', transport_model=None)
         q1 = ct.Quantity(self.gas)