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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Problem with psycopg2, bytea, and memoryview
Date: Wed, 31 Jul 2013 13:59:20 -0400
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On 7/31/2013 9:07 AM, Antoine Pitrou wrote:
> Frank Millman <frank <at> chagford.com> writes:
>>
>> Thanks for that, Antoine. It is an improvement over tobytes(), but i am
>> afraid it is still not ideal for my purposes.
>
> I would suggest asking the psycopg2 project why they made this choice, and
> if they would reconsider. Returning a memoryview doesn't make much sense IMHO.

I agree.
"memoryview objects allow Python code to access the internal data of an 
object that supports the buffer protocol without copying."
Example: the binary image data of an image object.
They are not intended to be a standalone objects when there is an 
obvious alternative (in this case, bytes).

-- 
Terry Jan Reedy