Don't generate wrappers for cimported enums.

Cython/Compiler/ModuleNode.py

@@ -2377,7 +2377,9 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
 
     def generate_wrapped_entries_code(self, env, code):
         for name, entry in env.entries.items():
-            if entry.create_wrapper and not entry.is_type:
+            if (entry.create_wrapper
+                    and not entry.is_type
+                    and entry.scope is env):
                 if not entry.type.create_to_py_utility_code(env):
                     error(entry.pos, "Cannot convert '%s' to Python object" % entry.type)
                 code.putln("{")

tests/run/cpdef_enums_import.srctree

+PYTHON setup.py build_ext --inplace
+PYTHON -c "import import_enums_test"
+
+######## setup.py ########
+
+from Cython.Build.Dependencies import cythonize
+
+from distutils.core import setup
+
+setup(
+  ext_modules = cythonize(["enums.pyx", "no_enums.pyx"]),
+)
+
+######## enums.pyx ########
+
+cpdef enum:
+    BAR
+
+cpdef foo(): pass
+
+######## enums.pxd ########
+
+cpdef enum:
+    FOO
+
+cpdef foo()
+
+######## no_enums.pyx ########
+
+from enums cimport *
+
+######## import_enums_test.py ########
+
+# We can import enums with a star import.
+from enums import *
+
+print dir()
+assert 'BAR' in dir() and 'FOO' in dir()
+
+# enums not generated in the wrong module
+import no_enums
+print dir(no_enums)
+assert 'FOO' not in dir(no_enums)
+assert 'foo' not in dir(no_enums)
+