python: add colored parity support to postproc and translate

* python/spot/impl.i: Bind is_colored().
* python/spot/__init__.py: Add Colored support to postproc.
* tests/python/parity.py: Add a test case.

python/spot/__init__.py

@@ -490,6 +490,7 @@ def _postproc_translate_options(obj, default_type, *args):
     comp_ = 0
     unam_ = 0
     sbac_ = 0
+    colo_ = 0
 
     def type_set(val):
         nonlocal type_
@@ -551,8 +552,10 @@ def _postproc_translate_options(obj, default_type, *args):
             optm_ = postprocessor.Low
 
     def misc_set(val):
-        nonlocal comp_, unam_, sbac_
-        if val == 'complete':
+        nonlocal comp_, unam_, sbac_, colo_
+        if val == 'colored':
+            colo_ = postprocessor.Colored
+        elif val == 'complete':
             comp_ = postprocessor.Complete
         elif val == 'sbacc' or val == 'state-based-acceptance':
             sbac_ = postprocessor.SBAcc
@@ -564,6 +567,7 @@ def _postproc_translate_options(obj, default_type, *args):
         'any': pref_set,
         'ba': type_set,
         'complete': misc_set,
+        'colored': misc_set,
         'deterministic': pref_set,
         'generic': type_set,
         'high': optm_set,
@@ -617,7 +621,7 @@ def _postproc_translate_options(obj, default_type, *args):
         optm_ = postprocessor.High
 
     obj.set_type(type_)
-    obj.set_pref(pref_ | comp_ | unam_ | sbac_)
+    obj.set_pref(pref_ | comp_ | unam_ | sbac_ | colo_)
     obj.set_level(optm_)
 
 
@@ -636,8 +640,9 @@ def translate(formula, *args, dict=_bdd_dict):
       (preferred characteristics of the produced automaton)
     - at most one in 'Low', 'Medium', 'High'
       (optimization level)
-    - any combination of 'Complete', 'Unambiguous', and
-      'StateBasedAcceptance' (or 'SBAcc' for short)
+    - any combination of 'Complete', 'Unambiguous',
+      'StateBasedAcceptance' (or 'SBAcc' for short), and
+      'Colored' (only for parity acceptance)
 
     The default corresponds to 'tgba', 'small' and 'high'.
     """
@@ -668,8 +673,9 @@ def postprocess(automaton, *args, formula=None):
       (preferred characteristics of the produced automaton)
     - at most one in 'Low', 'Medium', 'High'
       (optimization level)
-    - any combination of 'Complete' and 'StateBasedAcceptance'
-      (or 'SBAcc' for short)
+    - any combination of 'Complete', 'StateBasedAcceptance'
+      (or 'SBAcc' for short), and 'Colored (only for parity
+      acceptance)
 
     The default corresponds to 'generic', 'small' and 'high'.
 

python/spot/impl.i

 // -*- coding: utf-8 -*-
-// Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
-// Laboratoire de Recherche et Développement de l'Epita (LRDE).
-// Copyright (C) 2003, 2004, 2005, 2006  Laboratoire d'Informatique
-// de Paris 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
-// Université Pierre et Marie Curie.
+// Copyright (C) 2009-2018 Laboratoire de Recherche et Développement
+// de l'Epita (LRDE).
+// Copyright (C) 2003-2006 Laboratoire d'Informatique de Paris 6
+// (LIP6), département Systèmes Répartis Coopératifs (SRC), Université
+// Pierre et Marie Curie.
 //
 // This file is part of Spot, a model checking library.
 //
@@ -599,6 +599,7 @@ def state_is_accepting(self, src) -> "bool":
 %include <spot/twaalgos/sccfilter.hh>
 %include <spot/twaalgos/stats.hh>
 %include <spot/twaalgos/isdet.hh>
+%include <spot/twaalgos/iscolored.hh>
 %include <spot/twaalgos/isunamb.hh>
 %include <spot/twaalgos/isweakscc.hh>
 %include <spot/twaalgos/simulation.hh>

tests/python/parity.py

@@ -26,8 +26,9 @@ for f in ('FGa', 'GFa & GFb & FGc', 'XXX(a U b)'):
     assert a1.acc().is_parity()
     a2 = spot.translate(f).postprocess('parity')
     assert a2.acc().is_parity()
-    a3 = spot.translate(f, 'det').postprocess('parity')
+    a3 = spot.translate(f, 'det').postprocess('parity', 'colored')
     assert a3.acc().is_parity()
+    assert spot.is_colored(a3)
 
 a = spot.translate('GFa & GFb')
 try: