Finally use the string_names attribute to identify module names instead of some fucked up path calculation.

jedi/inference/value/module.py

@@ -118,20 +118,7 @@ class ModuleMixin(SubModuleDictMixin):
     @property
     @inference_state_method_cache()
     def name(self):
-        return self._module_name_class(self, self._string_name)
-
-    @property
-    def _string_name(self):
-        """ This is used for the goto functions. """
-        # TODO It's ugly that we even use this, the name is usually well known
-        # ahead so just pass it when create a ModuleValue.
-        if self._path is None:
-            return ''  # no path -> empty name
-        else:
-            sep = (re.escape(os.path.sep),) * 2
-            r = re.search(r'([^%s]*?)(%s__init__)?(\.pyi?|\.so)?$' % sep, self._path)
-            # Remove PEP 3149 names
-            return re.sub(r'\.[a-z]+-\d{2}[mud]{0,3}$', '', r.group(1))
+        return self._module_name_class(self, self.string_names[-1])
 
     @inference_state_method_cache()
     def _module_attributes_dict(self):
@@ -267,7 +254,7 @@ class ModuleValue(ModuleMixin, TreeValue):
 
     def __repr__(self):
         return "<%s: %s@%s-%s is_stub=%s>" % (
-            self.__class__.__name__, self._string_name,
+            self.__class__.__name__, self.py__name__(),
             self.tree_node.start_pos[0], self.tree_node.end_pos[0],
             self.is_stub()
         )