[pypy-svn] r47838 - pypy/dist/pypy/rpython/lltypesystem

[arigo at codespeak.net]

Author: arigo
Date: Wed Oct 24 17:41:51 2007
New Revision: 47838

Modified:
   pypy/dist/pypy/rpython/lltypesystem/ll2ctypes.py
Log:
A more explicit error message than "NameError: standard_c_lib".


Modified: pypy/dist/pypy/rpython/lltypesystem/ll2ctypes.py
==============================================================================
--- pypy/dist/pypy/rpython/lltypesystem/ll2ctypes.py	(original)
+++ pypy/dist/pypy/rpython/lltypesystem/ll2ctypes.py	Wed Oct 24 17:41:51 2007
@@ -513,6 +513,9 @@
 # ____________________________________________
 
 def get_ctypes_callable(funcptr, calling_conv):
+    if not ctypes:
+        raise ImportError("ctypes is needed to use ll2ctypes")
+
     def get_on_lib(lib, elem):
         """ Wrapper to always use lib[func] instead of lib.func
         """