lib/pycall/utils.rb in pycall-0.1.0.alpha.20170224 vs lib/pycall/utils.rb in pycall-0.1.0.alpha.20170226

@@ -1,7 +1,13 @@
 module PyCall
   module Utils
+    def dir(pyobj)
+      value = LibPython.PyObject_Dir(pyobj)
+      return value.to_ruby unless value.null?
+      raise PyError.fetch
+    end
+
     def int(pyobj)
       @int ||= PyCall.eval('int')
       @int.(pyobj)
     end
 
@@ -24,9 +30,14 @@
     end
 
     def type(pyobj)
       @type ||= PyCall.eval('type')
       @type.(pyobj)
+    end
+
+    def format_traceback(pyobj)
+      @format_tb ||= import_module('traceback').format_tb
+      @format_tb.(pyobj)
     end
   end
 
   extend Utils
 end