[issue30977] reduce uuid.UUID() memory footprint

[wouter bolsterlee]

wouter bolsterlee added the comment:

i consider uuids as low level data types, not as fancy containers, similar to how i view datetime objects. given the native support in e.g. postgresql and many other systems, it's common to deal with uuids.

of course you can convert to/from strings or numbers, but that is cumbersome in many cases. for comparison, one would typically not convert unicode text from/into utf-8 encoded byte strings either, even though the latter will save memory in many cases.

from experience: converting can lead to nasty bugs, e.g. because you forgot about a conversion, and then a uuid string does not compare equal to a uuid.UUID instance, leaving you puzzled.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30977>
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