add output_flag (#736)

coin-or · Mar 4, 2024 · cfb8a0f · cfb8a0f
1 parent cfc898e
commit cfb8a0f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/pulp/apis/highs_api.py b/pulp/apis/highs_api.py
@@ -325,13 +325,16 @@ def callSolver(self, lp):
         def createAndConfigureSolver(self, lp):
             lp.solverModel = highspy.Highs()
 
-            if self.msg or self.callbackTuple:
+            if self.msg and self.callbackTuple:
                 callbackTuple = self.callbackTuple or (
                     HiGHS.DEFAULT_CALLBACK,
                     HiGHS.DEFAULT_CALLBACK_VALUE,
                 )
                 lp.solverModel.setLogCallback(*callbackTuple)
 
+            if not self.msg:
+                lp.solverModel.setOptionValue("output_flag", False)
+
             if self.gapRel is not None:
                 lp.solverModel.setOptionValue("mip_rel_gap", self.gapRel)