Mailman 3 September 2011 - Python-ideas

Re: [Python-ideas] IP addressing library, aka reviving PEP 3144 (Re: Add from __experimental__ import bla)
by Nick Coghlan Sept. 2, 2011

Sept. 2, 2011

On Fri, Sep 2, 2011 at 8:03 AM, Peter Moody <pmoody(a)google.com> wrote: > I'll make an implementation with these changes this weekend. Great to hear! > It sounds like it's going to be clunky, but that's definitely with a grain or two of bias. Hopefully it won't be too inconvenient - in theory, it just means that when you derive the network details from a host address and masking information you can't throw the original host address information away any more (since IPNetwork own'… [View More]

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Re: [Python-ideas] Create a StringBuilder class and use it everywhere
by k_bx Sept. 2, 2011

Sept. 2, 2011

> This doesn't seem nicer to read and write to me than the list form. I > also do not see any reason to believe it will stop people from doing > it the quadratic way if the ubiquitous make-a-list-then-join idiom > does not. The whole point is that people don't write u''.join idiom just because they don't know it is slow. And when they see StringBuilder -- they can ask themselves "why is he using that". I don't mind using u''.join, but it just doesn't make people think about speed … [View More]

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Add from __experimental__ import bla [was: Should we move to replace re with regex?]
by Dj Gilcrease Sept. 1, 2011

Sept. 1, 2011

In the thread about replacing re with regex someone mentioned adding to __future__ which isnt a great idea as future APIs are already solidified, they just live there to give developer time to adapt their code. The idea of a __experimental__ area is good for any pep's or stliib additions that are somewhat controversial (API isnt agreed on, code may take a while to integrate properly, developer wants some time to hash out any edge case bugs or API clarifications that may come up in large scale … [View More]

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Re: [Python-ideas] aliasing
by Christopher King Sept. 1, 2011

Sept. 1, 2011

Wrong list again On Thu, Sep 1, 2011 at 4:10 PM, Christopher King <g.nius.ck(a)gmail.com>wrote: > ------------------------ >> >>> list = [3,] >> >>> a = list >> >>> list[0] = 6 >> >>> a[0] >> 3 >> ------------------------- >> > Slight error in my code. It should be. > ------------------------ > >>> list = [3,] > >>> a = list > >>> list[0] = 6 > >>> a[0] … [View More]

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