fix another segfault on exit

modules/gui/src/python_shell/python_interpreter_worker.cc

@@ -53,8 +53,12 @@ PythonInterpreterWorker::PythonInterpreterWorker():
 
 PythonInterpreterWorker::~PythonInterpreterWorker()
 {
-  // we have to manually run the exit functions because we cannot use Py_Finalize due to some problems in boost python
-  run_command_(std::pair<unsigned int, QString>(0,"import atexit\natexit._run_exitfuncs()\n"));
+  // we have to manually run the exit functions because we cannot use 
+  // Py_Finalize due to some problems in boost python.
+  run_command_(std::pair<unsigned int, QString>(0,
+               "import atexit\n"
+               "atexit._run_exitfuncs()\n"));
+  //Py_Finalize();
 }
 
 void PythonInterpreterWorker::Wake()

modules/io/pymod/export_pdb_io.cc

@@ -34,7 +34,7 @@ void (PDBWriter::*write_a)(const mol::EntityHandle&)=&PDBWriter::Write;
 void (PDBWriter::*write_b)(const mol::EntityView&)=&PDBWriter::Write;
 
 void remove_profiles() {
-  IOProfileRegistry::Instance().RemoveProfiles();
+  IOProfileRegistry::RemoveProfiles();
 }
 
 void export_pdb_io()

modules/io/src/mol/io_profile.cc

@@ -2,6 +2,7 @@
 
 namespace ost { namespace io {
 
+bool IOProfileRegistry::alive = false;
 IOProfileRegistry& IOProfileRegistry::Instance()
 {
   static IOProfileRegistry reg;
@@ -11,6 +12,7 @@ IOProfileRegistry& IOProfileRegistry::Instance()
 IOProfileRegistry::IOProfileRegistry():
   profiles_()
 {
+  IOProfileRegistry::alive = true;
   profiles_["DEFAULT"]=IOProfile();
 }
 

modules/io/src/mol/io_profile.hh

@@ -85,12 +85,18 @@ public:
   }
   
   IOProfile& GetDefault() { return profiles_["DEFAULT"]; }
-  void RemoveProfiles() {
-    profiles_.clear();
+  static void RemoveProfiles() {
+    if (IOProfileRegistry::alive) {
+      IOProfileRegistry::Instance().profiles_.clear();
+    }
+  }
+  ~IOProfileRegistry() {
+    alive = false;
   }
 private:
   IOProfileRegistry();
   std::map<String, IOProfile> profiles_;
+  static bool alive;
 };
 
 }}