[cmd][lib] switch get_shift_step to a proper property

library/cadbiom/models/clause_constraints/mcl/CLUnfolder.py

@@ -582,7 +582,8 @@ class CLUnfolder(object):
         """
         return self.__shift_direction
 
-    def get_shift_step(self):
+    @property
+    def shift_step(self):
         """
         @return: the shift step ss (if n is X_0 code, n+ss is X_1 code)
         """

library/cadbiom/models/clause_constraints/mcl/MCLSolutions.py

@@ -133,7 +133,7 @@ class RawSolution(object):
         """
         self.solution = solution
         self.unfolder = unfolder
-        self.shift_step = unfolder.get_shift_step()
+        self.shift_step = unfolder.shift_step
         self.current_step = unfolder.current_step
         self.shift_direction = unfolder.get_shift_direction()
 

library/cadbiom/models/clause_constraints/mcl/TestCLUnfolder.py

@@ -666,7 +666,7 @@ def init_forward_unfolding_solution_2(mcla):
     # Shift of the system clauses (and syst aux clauses)
     # The maximum value is now 48 since there is 47 literals
     assert unfolder.get_var_number() == 46
-    assert unfolder.get_shift_step() == 47
+    assert unfolder.shift_step == 47
     expected = [
         [[-24, 16], [-24, 4], [-16, -4, 24], [-15, 42], [-12, 42], [15, 12, -42],
         [-42, 41], [-11, 41], [42, 11, -41], [2, -40], [41, -40], [-2, -41, 40],