FEM: improve output on solver run

src/Mod/Fem/femguiobjects/_ViewProviderFemSolverCalculix.py

@@ -219,10 +219,10 @@ class _TaskPanelFemSolverCalculix:
 
         if out.isEmpty():
             self.femConsoleMessage("CalculiX stdout is empty", "#FF0000")
-            return False 
+            return False
 
         if sys.version_info.major >= 3:
-            # https://forum.freecadweb.org/viewtopic.php?f=18&t=39195 
+            # https://forum.freecadweb.org/viewtopic.php?f=18&t=39195
             # convert QByteArray to a binary string an decode it to "utf-8"
             out = out.data().decode()  # "utf-8" can be omitted
             # print(type(out))
@@ -271,8 +271,8 @@ class _TaskPanelFemSolverCalculix:
         self.femConsoleMessage("CalculiX done without error!", "#00AA00")
 
     def calculixStarted(self):
-        print("calculixStarted()")
-        print(self.Calculix.state())
+        # print("calculixStarted()")
+        FreeCAD.Console.PrintLog("{}".format(self.Calculix.state()))
         self.form.pb_run_ccx.setText("Break CalculiX")
 
     def calculixStateChanged(self, newState):
@@ -284,8 +284,8 @@ class _TaskPanelFemSolverCalculix:
                 self.femConsoleMessage("CalculiX stopped.")
 
     def calculixFinished(self, exitCode):
-        print("calculixFinished() {}".format(exitCode))
-        print(self.Calculix.state())
+        # print("calculixFinished(), exit code: {}".format(exitCode))
+        FreeCAD.Console.PrintLog("{}".format(self.Calculix.state()))
 
         # Restore previous cwd
         QtCore.QDir.setCurrent(self.cwd)
@@ -383,16 +383,16 @@ class _TaskPanelFemSolverCalculix:
                 FemGui.open(self.fea.inp_file_name)
 
     def runCalculix(self):
-        print("runCalculix")
+        # print("runCalculix")
         self.Start = time.time()
 
         self.femConsoleMessage("CalculiX binary: {}".format(self.fea.ccx_binary))
+        self.femConsoleMessage("CalculiX input file: {}".format(self.fea.inp_file_name))
         self.femConsoleMessage("Run CalculiX...")
 
-        # run Calculix
-        print(
+        FreeCAD.Console.PrintMessage(
             "run CalculiX at: {} with: {}"
-            .format(self.fea.ccx_binary, os.path.splitext(self.fea.inp_file_name)[0])
+            .format(self.fea.ccx_binary, self.fea.inp_file_name)
         )
         # change cwd because ccx may crash if directory has no write permission
         # there is also a limit of the length of file names so jump to the document directory

src/Mod/Fem/femsolver/calculix/writer.py

@@ -95,6 +95,10 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
             self.dir_name,
             "{}_inout_nodes.txt".format(self.mesh_object.Name)
         )
+
+    def write_calculix_input_file(self):
+        timestart = time.clock()
+        FreeCAD.Console.PrintMessage("Start writing CalculiX input file\n")
         FreeCAD.Console.PrintLog(
             "writerbaseCcx --> self.dir_name  -->  " + self.dir_name + "\n"
         )
@@ -104,15 +108,12 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
         FreeCAD.Console.PrintMessage(
             "writerbaseCcx --> self.file_name  -->  " + self.file_name + "\n"
         )
-
-    def write_calculix_input_file(self):
-        timestart = time.clock()
         if self.solver_obj.SplitInputWriter is True:
             self.write_calculix_splitted_input_file()
         else:
             self.write_calculix_one_input_file()
         writing_time_string = (
-            "Writing time input file: {} seconds"
+            "Writing time CalculiX input file: {} seconds"
             .format(round((time.clock() - timestart), 2))
         )
         if self.femelement_count_test is True:

src/Mod/Fem/femtools/ccxtools.py

@@ -279,6 +279,7 @@ class FemToolsCcx(QtCore.QRunnable, QtCore.QObject):
         self.transform_constraints = self._get_several_member("Fem::ConstraintTransform")
 
     def check_prerequisites(self):
+        FreeCAD.Console.PrintMessage("Check prerequisites.\n")
         from FreeCAD import Units
         message = ""
         # analysis
@@ -666,10 +667,17 @@ class FemToolsCcx(QtCore.QRunnable, QtCore.QObject):
         elif fem_general_prefs.GetBool("OverwriteSolverWorkingDirectory", True) is False:
             self.working_dir = self.solver.WorkingDir
             if femutils.check_working_dir(self.working_dir) is not True:
-                FreeCAD.Console.PrintError(
-                    "Dir from solver object \'{}\' doesn't exist.\n"
-                    .format(self.working_dir)
-                )
+                if self.working_dir == '':
+                    FreeCAD.Console.PrintError(
+                        "Working Dir is set to be used from solver object "
+                        "but Dir from solver object \'{}\' is empty.\n"
+                        .format(self.working_dir)
+                    )
+                else:
+                    FreeCAD.Console.PrintError(
+                        "Dir from solver object \'{}\' doesn't exist.\n"
+                        .format(self.working_dir)
+                    )
                 self.working_dir = femutils.get_pref_working_dir(self.solver)
                 FreeCAD.Console.PrintMessage(
                     "Dir \'{}\' will be used instead.\n"