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Re: enhancement request: make py3 read/write py2 pickle format

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From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: enhancement request: make py3 read/write py2 pickle format
Date Thu, 11 Jun 2015 07:08:46 +0300
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Devin Jeanpierre <jeanpierreda@gmail.com>:

> For example, one can also imagine testing that a serialized structure
> is identical across version changes, so that it's guaranteed to be
> forwards/backwards compatible. It is not enough to test that the
> deserialized form is, because it might differ substantially, as long
> as the communicated serialized structure is the same.

There are merits to canonical serialization formats, but that approach
to testing is far too simplistic. A test case should accept all observed
behavior that is correct.


Marko

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Re: enhancement request: make py3 read/write py2 pickle format Chris Angelico <rosuav@gmail.com> - 2015-06-10 09:06 +1000
  Re: enhancement request: make py3 read/write py2 pickle format Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2015-06-10 02:17 +0200
    Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-09 17:47 -0700
      Re: enhancement request: make py3 read/write py2 pickle format Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-06-10 13:52 +1000
        Re: enhancement request: make py3 read/write py2 pickle format random832@fastmail.us - 2015-06-09 23:57 -0400
          Re: enhancement request: make py3 read/write py2 pickle format Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-06-10 15:43 +1000
        Re: enhancement request: make py3 read/write py2 pickle format Chris Angelico <rosuav@gmail.com> - 2015-06-10 14:00 +1000
        Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-09 21:48 -0700
          Re: enhancement request: make py3 read/write py2 pickle format Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-06-10 19:36 +1000
            Re: enhancement request: make py3 read/write py2 pickle format Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2015-06-10 19:34 +0200
            Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-10 15:10 -0700
              Re: enhancement request: make py3 read/write py2 pickle format Steven D'Aprano <steve@pearwood.info> - 2015-06-11 13:21 +1000
                Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-10 22:39 -0700
                Re: enhancement request: make py3 read/write py2 pickle format Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-06-11 19:20 +1000
            Re: enhancement request: make py3 read/write py2 pickle format Terry Reedy <tjreedy@udel.edu> - 2015-06-10 19:25 -0400
            Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-10 16:39 -0700
            Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-10 16:48 -0700
            Re: enhancement request: make py3 read/write py2 pickle format Terry Reedy <tjreedy@udel.edu> - 2015-06-10 19:46 -0400
            Re: enhancement request: make py3 read/write py2 pickle format Chris Angelico <rosuav@gmail.com> - 2015-06-11 09:58 +1000
            Re: enhancement request: make py3 read/write py2 pickle format Devin Jeanpierre <jeanpierreda@gmail.com> - 2015-06-10 17:02 -0700
              Re: enhancement request: make py3 read/write py2 pickle format Marko Rauhamaa <marko@pacujo.net> - 2015-06-11 07:08 +0300
            Re: enhancement request: make py3 read/write py2 pickle format Serhiy Storchaka <storchaka@gmail.com> - 2015-06-11 14:11 +0300
    Re: enhancement request: make py3 read/write py2 pickle format Chris Angelico <rosuav@gmail.com> - 2015-06-10 11:03 +1000

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