Index: PythonAI.cpp
===================================================================
--- PythonAI.cpp	(revision 4441)
+++ PythonAI.cpp	(working copy)
@@ -161,7 +161,12 @@
     FreeOrionPython::SetWrapper<int>::Wrap("IntSet");
     FreeOrionPython::SetWrapper<std::string>::Wrap("StringSet");
 }
-
+
+#if PY_VERSION_HEX >= 0x03000000
+#   define initfreeOrionLogger PyInit_freeOrionLogger
+#   define initfreeOrionAIInterface PyInit_freeOrionAIInterface
+#endif
+
 //////////////////////
 //     PythonAI     //
 //////////////////////
@@ -223,7 +228,7 @@
                                     "    freeOrionLogger.error(stng)\n"
                                     "sys.stdout = debugLogger()\n"
                                     "sys.stderr = errorLogger()\n"
-                                    "print 'Python stdout and stderr redirected'";
+                                    "print ('Python stdout and stderr redirected')";
         object ignored = exec(logger_script.c_str(), s_main_namespace, s_main_namespace);
     } catch (error_already_set err) {
         Logger().errorStream() << "Unable to redirect Python stdout and stderr.";