CCAR: import_hook.py was too strict in ensure_list (ImportError raised)

[modules/kernel.git] / src / KERNEL_PY / salome.py

diff --git a/src/KERNEL_PY/salome.py b/src/KERNEL_PY/salome.py
index 9f7b0b1f7e53a37849aac8b12467c79627a535bb..8fca332b5a55680a108dcdd6ff059a56e77dd617 100755 (executable)
--- a/src/KERNEL_PY/salome.py
+++ b/src/KERNEL_PY/salome.py
@@ -1,5 +1,5 @@
 #  -*- coding: iso-8859-1 -*-
-#  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+#  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
 #
 #  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 #  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -20,6 +20,15 @@
 #
 #  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 #
+
+# ================================================================================
+# WARNING: this file is deprecated and should not be used any more. It has been
+# replaced by the file __init__.py of the python package named "salome".
+# To prevent any error, a warning is raised in the case where this file is imported
+raise RuntimeError("WRN - the file salome.py is deprecated. It should NOT be used any more.")
+# ================================================================================
+
+
 #  File   : salome.py
 #  Author : Paul RASCLE, EDF
 #  Module : SALOME
@@ -81,12 +90,47 @@ variables:
 #  \param salome.myStudyId       : active Study Id
 #  \param salome.myStudy         : the active Study (interface SALOMEDS::Study)
 
-
+#
 from salome_kernel import *
 from salome_study import *
 from salome_iapp import *
-import dl, sys
-sys.setdlopenflags(dl.RTLD_NOW | dl.RTLD_GLOBAL)
+
+
+#
+# The next block is workaround for the problem of shared symbols loading for the extension modules (e.g. SWIG-generated)
+# that causes RTTI unavailable in some cases. To solve this problem, sys.setdlopenflags() function is used.
+# Depending on the Python version and platform, the dlopen flags can be defined in the dl, DLFUN or ctypes module.
+# 
+import sys
+flags = None
+if not flags:
+    try:
+        # dl module can be unavailable
+        import dl
+        flags = dl.RTLD_NOW | dl.RTLD_GLOBAL
+    except:
+        pass
+    pass
+if not flags:
+    try:
+        # DLFCN module can be unavailable
+        import DLFCN
+        flags = DLFCN.RTLD_NOW | DLFCN.RTLD_GLOBAL
+    except:
+        pass
+    pass
+if not flags:
+    try:
+        # ctypes module can be unavailable
+        import ctypes
+        flags = ctypes.RTLD_GLOBAL
+    except:
+        pass
+    pass
+    
+if flags:
+    sys.setdlopenflags(flags)
+    pass
 
 orb, lcc, naming_service, cm,sg=None,None,None,None,None
 myStudyManager, myStudyId, myStudy, myStudyName=None,None,None,None