solvers: add solution_fn for copt

PyPSA · Jul 9, 2024 · f2a5c3f · f2a5c3f
1 parent ad060ac
commit f2a5c3f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/linopy/solvers.py b/linopy/solvers.py
@@ -1176,6 +1176,12 @@ def run_copt(
         except coptpy.CoptError as err:
             logger.info("No model basis stored. Raised error: %s", err)
 
+    if solution_fn:
+        try:
+            m.write(path_to_string(solution_fn))
+        except coptpy.CoptError as err:
+            logger.info("No model solution stored. Raised error: %s", err)
+
     condition = m.LpStatus if model.type in ["LP", "QP"] else m.MipStatus
     termination_condition = CONDITION_MAP.get(condition, condition)
     status = Status.from_termination_condition(termination_condition)