using our own abspath function

os.path.abspath might fail during shutdown
see https://bugs.python.org/msg315588

Author: AndreasGocht

scorep/_instrumenters/utils.py

@@ -1,9 +1,9 @@
-import os
+from scorep._bindings import abspath
 
 
 def get_module_name(frame):
     """Get the name of the module the given frame resides in"""
-    modulename = frame.f_globals.get('__name__', None)
+    modulename = frame.f_globals.get("__name__", None)
     if modulename is None:
         # this is a NUMPY special situation, see NEP-18, and Score-P Issue
         # issues #63
@@ -18,7 +18,7 @@ def get_file_name(frame):
     """Get the full path to the file the given frame resides in"""
     file_name = frame.f_code.co_filename
     if file_name is not None:
-        full_file_name = os.path.abspath(file_name)
+        full_file_name = abspath(file_name)
     else:
         full_file_name = "None"
     return full_file_name

src/methods.cpp

@@ -1,5 +1,6 @@
 #include "methods.hpp"
 #include "scorepy/events.hpp"
+#include "scorepy/pathUtils.hpp"
 #include <Python.h>
 #include <cstdint>
 #include <scorep/SCOREP_User_Functions.h>
@@ -180,6 +181,16 @@ extern "C"
         return PyUnicode_FromString(SCOREP_GetExperimentDirName());
     }
 
+    static PyObject* abspath(PyObject* self, PyObject* args)
+    {
+        const char* path;
+
+        if (!PyArg_ParseTuple(args, "s", &path))
+            return NULL;
+
+        return PyUnicode_FromString(scorepy::abspath(path).c_str());
+    }
+
     static PyMethodDef ScorePMethods[] = {
         { "region_begin", region_begin, METH_VARARGS, "enter a region." },
         { "region_end", region_end, METH_VARARGS, "exit a region." },
@@ -194,6 +205,7 @@ extern "C"
         { "parameter_string", parameter_string, METH_VARARGS, "User parameter string." },
         { "get_experiment_dir_name", get_experiment_dir_name, METH_VARARGS,
           "Get the Score-P experiment dir." },
+        { "abspath", abspath, METH_VARARGS, "Estimates the absolute Path." },
         { NULL, NULL, 0, NULL } /* Sentinel */
     };
 }