Author: Ronan Lamy <[email protected]>
Branch: py3.5
Changeset: r88324:3ccfd8d8c12b
Date: 2016-11-11 18:26 +0000
http://bitbucket.org/pypy/pypy/changeset/3ccfd8d8c12b/

Log:    Copy attributes when calling memoryview(<memoryview>)

diff --git a/pypy/objspace/std/memoryobject.py 
b/pypy/objspace/std/memoryobject.py
--- a/pypy/objspace/std/memoryobject.py
+++ b/pypy/objspace/std/memoryobject.py
@@ -80,6 +80,9 @@
 
     @staticmethod
     def descr_new_memoryview(space, w_subtype, w_object):
+        if isinstance(w_object, W_MemoryView):
+            w_object._check_released(space)
+            return W_MemoryView.copy(w_object)
         return W_MemoryView(*space.buffer_w_ex(w_object, space.BUF_FULL_RO))
 
     def _make_descr__cmp(name):
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