From e4e99aa7891fca96deeef5c6496103bed6a50dbc Mon Sep 17 00:00:00 2001
From: Ladislav Michl <ladis@triops.cz>
Date: Fri, 18 Apr 2025 19:11:17 +0200
Subject: [PATCH] Main: output exception stream directly to stdout

printf is used to output formated stringstream. Not only introductory
information is somewhat repeated, but text can be sent directly to
standard output.
---
 src/Main/MainCmd.cpp | 32 ++++++++++++++------------------
 src/Main/MainPy.cpp  | 10 ++++------
 2 files changed, 18 insertions(+), 24 deletions(-)

diff --git a/src/Main/MainCmd.cpp b/src/Main/MainCmd.cpp
index 515d726845..4f75e013b6 100644
--- a/src/Main/MainCmd.cpp
+++ b/src/Main/MainCmd.cpp
@@ -36,8 +36,7 @@
 #endif  // HAVE_CONFIG_H
 
 #include <cstdio>
-#include <sstream>
-
+#include <ostream>
 #include <QString>
 
 // FreeCAD Base header
@@ -109,31 +108,28 @@ int main(int argc, char** argv)
     }
     catch (const Base::Exception& e) {
         std::string appName = App::Application::Config()["ExeName"];
-        std::stringstream msg;
-        msg << "While initializing " << appName << " the following exception occurred: '"
-            << e.what() << "'\n\n";
-        msg << "Python is searching for its runtime files in the following directories:\n"
-            << Base::Interpreter().getPythonPath() << "\n\n";
-        msg << "Python version information:\n" << Py_GetVersion() << "\n";
+        std::cout << "While initializing " << appName << " the following exception occurred: '"
+                  << e.what() << "'\n\n";
+        std::cout << "Python is searching for its runtime files in the following directories:\n"
+                  << Base::Interpreter().getPythonPath() << "\n\n";
+        std::cout << "Python version information:\n" << Py_GetVersion() << "\n";
         const char* pythonhome = getenv("PYTHONHOME");
         if (pythonhome) {
-            msg << "\nThe environment variable PYTHONHOME is set to '" << pythonhome << "'.";
-            msg << "\nSetting this environment variable might cause Python to fail. Please contact "
-                   "your administrator to unset it on your system.\n\n";
+            std::cout << "\nThe environment variable PYTHONHOME is set to '" << pythonhome << "'.";
+            std::cout << "\nSetting this environment variable might cause Python to fail. "
+                         "Please contact your administrator to unset it on your system.";
         }
         else {
-            msg << "\nPlease contact the application's support team for more information.\n\n";
+            std::cout << "\nPlease contact the application's support team for more information.";
         }
-
-        printf("Initialization of %s failed:\n%s", appName.c_str(), msg.str().c_str());
+        std::cout << std::endl;
         exit(100);
     }
     catch (...) {
         std::string appName = App::Application::Config()["ExeName"];
-        std::stringstream msg;
-        msg << "Unknown runtime error occurred while initializing " << appName << ".\n\n";
-        msg << "Please contact the application's support team for more information.\n\n";
-        printf("Initialization of %s failed:\n%s", appName.c_str(), msg.str().c_str());
+        std::cout << "Unknown runtime error occurred while initializing " << appName << ".\n\n";
+        std::cout << "Please contact the application's support team for more information.";
+        std::cout << std::endl;
         exit(101);
     }
 
diff --git a/src/Main/MainPy.cpp b/src/Main/MainPy.cpp
index a09c20f303..554af37e70 100644
--- a/src/Main/MainPy.cpp
+++ b/src/Main/MainPy.cpp
@@ -45,7 +45,6 @@
 #endif  // HAVE_CONFIG_H
 
 #include <cstdio>
-#include <sstream>
 #include <iostream>
 #include <QByteArray>
 
@@ -176,11 +175,10 @@ PyMOD_INIT_FUNC(FreeCAD)
     }
     catch (const Base::Exception& e) {
         std::string appName = App::Application::Config()["ExeName"];
-        std::stringstream msg;
-        msg << "While initializing " << appName << " the following exception occurred: '"
-            << e.what() << "'\n\n";
-        msg << "\nPlease contact the application's support team for more information.\n\n";
-        printf("Initialization of %s failed:\n%s", appName.c_str(), msg.str().c_str());
+        std::cout << "While initializing " << appName << " the following exception occurred: '"
+                  << e.what() << "'\n\n";
+        std::cout << "Please contact the application's support team for more information."
+                  << std::endl;
     }
 
     Base::EmptySequencer* seq = new Base::EmptySequencer();