Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #93612

Re: module dependencies issues

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: module dependencies issues
Date 2015-07-10 00:33 +0300
Organization A noiseless patient Spider
Message-ID <87k2u96mo3.fsf@elektro.pacujo.net> (permalink)
References (3 earlier) <mailman.370.1436472009.3674.python-list@python.org> <87wpy96pbd.fsf@elektro.pacujo.net> <mailman.372.1436474856.3674.python-list@python.org> <87oajl6nol.fsf@elektro.pacujo.net> <mailman.373.1436476819.3674.python-list@python.org>

Show all headers | View raw

Chris Angelico <rosuav@gmail.com>:
> On Fri, Jul 10, 2015 at 7:11 AM, Marko Rauhamaa <marko@pacujo.net> wrote:
>> Whoever creates B-1.1 ought to make it backward-compatible, but he
>> should also say so. The majority of developers are careless about
>> backward-compatibility; having the component system make wishful
>> assumptions will lead to catastrophic consequences.
>
> I strongly disagree. All your idea would do is create a massive
> compatibility matrix, which would itself become utterly
> unmaintainable.

Well, it's working and very much maintainable.

> It's all very well to ask for a declaration that 1.1 is compatible
> with 1.0, but what happens when you add in 1.2 and 1.3, and then add
> some point releases on all of them?

The compatibility statement accepts ranges and can be open-ended.

> And just how compatible does it have to be to get a tick?

It must be a safe binary replacement of the earlier version. Bug fixes
and new features are ok, but none of the old functionality can be
obsoleted.


Marko

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Re: module dependencies issues Chris Angelico <rosuav@gmail.com> - 2015-07-10 05:59 +1000
  Re: module dependencies issues Marko Rauhamaa <marko@pacujo.net> - 2015-07-09 23:36 +0300
    Re: module dependencies issues Chris Angelico <rosuav@gmail.com> - 2015-07-10 06:47 +1000
      Re: module dependencies issues Marko Rauhamaa <marko@pacujo.net> - 2015-07-10 00:11 +0300
        Re: module dependencies issues Chris Angelico <rosuav@gmail.com> - 2015-07-10 07:20 +1000
          Re: module dependencies issues Marko Rauhamaa <marko@pacujo.net> - 2015-07-10 00:33 +0300
            Re: module dependencies issues Chris Angelico <rosuav@gmail.com> - 2015-07-10 07:45 +1000
              Re: module dependencies issues Marko Rauhamaa <marko@pacujo.net> - 2015-07-10 03:04 +0300
                Re: module dependencies issues Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-07-10 01:24 +0100

csiph-web