Don't change the host's environment, just append our Python Directory

directly to the one in sys.

llvm-svn: 138693

1 files changed, 21 insertions, 27 deletions

diff --git a/lldb/source/Interpreter/ScriptInterpreterPython.cpp b/lldb/source/Interpreter/ScriptInterpreterPython.cpp
index fe1fe2302ad..0f508de7c5d 100644
--- a/lldb/source/Interpreter/ScriptInterpreterPython.cpp
+++ b/lldb/source/Interpreter/ScriptInterpreterPython.cpp
@@ -2033,59 +2033,53 @@ ScriptInterpreterPython::InitializePrivate ()
     TerminalState stdin_tty_state;
     stdin_tty_state.Save(STDIN_FILENO, false);
 
+    PyEval_InitThreads ();
+    Py_InitializeEx (0);
+
+    // Initialize SWIG after setting up python
+    assert (g_swig_init_callback != NULL);
+    g_swig_init_callback ();
+
+    // Update the path python uses to search for modules to include the current directory.
+
+    PyRun_SimpleString ("import sys");
+    PyRun_SimpleString ("sys.path.append ('.')");
+
     // Find the module that owns this code and use that path we get to
-    // set the PYTHONPATH appropriately.
+    // set the sys.path appropriately.
 
     FileSpec file_spec;
     char python_dir_path[PATH_MAX];
     if (Host::GetLLDBPath (ePathTypePythonDir, file_spec))
     {
-        std::string python_path;
-        const char *curr_python_path = ::getenv ("PYTHONPATH");
-        if (curr_python_path)
-        {
-            // We have a current value for PYTHONPATH, so lets append to it
-            python_path.append (curr_python_path);
-        }
-
+        std::string python_path("sys.path.insert(0,\"");
+        size_t orig_len = python_path.length();
         if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path)))
         {
-            if (!python_path.empty())
-                python_path.append (1, ':');
             python_path.append (python_dir_path);
+            python_path.append ("\")");
+            PyRun_SimpleString (python_path.c_str());
+            python_path.resize (orig_len);
         }
         
         if (Host::GetLLDBPath (ePathTypeLLDBShlibDir, file_spec))
         {
             if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path)))
             {
-                if (!python_path.empty())
-                    python_path.append (1, ':');
                 python_path.append (python_dir_path);
+                python_path.append ("\")");
+                PyRun_SimpleString (python_path.c_str());
+                python_path.resize (orig_len);
             }
         }
-        const char *pathon_path_env_cstr = python_path.c_str();
-        ::setenv ("PYTHONPATH", pathon_path_env_cstr, 1);
     }
 
-    PyEval_InitThreads ();
-    Py_InitializeEx (0);
-
-    // Initialize SWIG after setting up python
-    assert (g_swig_init_callback != NULL);
-    g_swig_init_callback ();
-
-    // Update the path python uses to search for modules to include the current directory.
-
-    PyRun_SimpleString ("import sys");
-    PyRun_SimpleString ("sys.path.append ('.')");
     PyRun_SimpleString ("sys.dont_write_bytecode = 1");
 
     PyRun_SimpleString ("import embedded_interpreter");
     
     PyRun_SimpleString ("from embedded_interpreter import run_python_interpreter");
     PyRun_SimpleString ("from embedded_interpreter import run_one_line");
-    PyRun_SimpleString ("import sys");
     PyRun_SimpleString ("from termios import *");
 
     stdin_tty_state.Restore();