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Antonio Cuni committed b16d024

add a __dir__ method to Config objects. This way we can tab-complete also the option names

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Files changed (2)

pypy/config/config.py

                                  (self.__class__, name))
         return self._cfgimpl_values[name]
 
+    def __dir__(self):
+        from_type = dir(type(self))
+        from_dict = list(self.__dict__)
+        extras = list(self._cfgimpl_values)
+        return sorted(set(extras + from_type + from_dict))
+
     def __delattr__(self, name):
         # XXX if you use delattr you are responsible for all bad things
         # happening

pypy/config/test/test_config.py

     py.test.raises(ConfigError, 'config.gc.name = "ref"')
     config.gc.name = "framework"
 
+def test___dir__():
+    descr = make_description()
+    config = Config(descr, bool=False)
+    attrs = dir(config)
+    assert '__repr__' in attrs        # from the type
+    assert '_cfgimpl_values' in attrs # from self
+    assert 'gc' in attrs              # custom attribute
+    assert 'objspace' in attrs        # custom attribute
+    #
+    attrs = dir(config.gc)
+    assert 'name' in attrs
+    assert 'dummy' in attrs
+    assert 'float' in attrs
+
 def test_arbitrary_option():
     descr = OptionDescription("top", "", [
         ArbitraryOption("a", "no help", default=None)