lib/pycall/init.rb in pycall-0.1.0.alpha.20170502 vs lib/pycall/init.rb in pycall-0.1.0.alpha.20170711

@@ -9,13 +9,23 @@
       argv.write_pointer(FFI::MemoryPointer.from_string(""))
       PyCall::LibPython.PySys_SetArgvEx(0, argv, 0)
     end
 
     @builtin = LibPython.PyImport_ImportModule(PYTHON_VERSION < '3.0.0' ? '__builtin__' : 'builtins').to_ruby
+
+    begin
+      import_module('stackless')
+      @has_stackless_extension = true
+    rescue PyError
+      @has_stackless_extension = false
+    end
+
+    __initialize_ruby_wrapper__
   end
 
   class << self
     attr_reader :builtin
+    attr_reader :has_stackless_extension
   end
 
   __initialize_pycall__
 end