BUG: core: fix wrong method flags for scalartypes.c.src:gentype_copy

JianMeng · Aug 25, 2017 · 526a128 · 526a128
1 parent cf618a5
commit 526a128
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/numpy/core/src/multiarray/scalartypes.c.src b/numpy/core/src/multiarray/scalartypes.c.src
@@ -1914,7 +1914,7 @@ static PyMethodDef gentype_methods[] = {
     /* for the copy module */
     {"__copy__",
         (PyCFunction)gentype_copy,
-        METH_VARARGS, NULL},
+        METH_VARARGS | METH_KEYWORDS, NULL},
     {"__deepcopy__",
         (PyCFunction)gentype___deepcopy__,
         METH_VARARGS, NULL},

diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py
@@ -2247,5 +2247,18 @@ def test_correct_hash_dict(self):
             else:
                 assert_(t.__hash__ != None)
 
+    def test_scalar_copy(self):
+        scalar_types = set(np.sctypeDict.values())
+        values = {
+            np.void: b"a",
+            np.bytes_: b"a",
+            np.unicode_: "a",
+            np.datetime64: "2017-08-25",
+        }
+        for sctype in scalar_types:
+            item = sctype(values.get(sctype, 1))
+            item2 = copy.copy(item)
+            assert_equal(item, item2)
+
 if __name__ == "__main__":
     run_module_suite()