Issue #5506: BytesIO objects now have a getbuffer() method exporting a
view of their contents without duplicating them. The view is both readable
and writable.
diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 12ae4b6..6b25640 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -785,6 +785,11 @@
raise ValueError("getvalue on closed file")
return bytes(self._buffer)
+ def getbuffer(self):
+ """Return a readable and writable view of the buffer.
+ """
+ return memoryview(self._buffer)
+
def read(self, n=None):
if self.closed:
raise ValueError("read from closed file")