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Date: Tue, 10 Apr 2007 13:44:43 +0200
To: pgsql-general@postgresql.org
Subject: Re: programmatic way to fetch latest release for a given major.minor
	version
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>> Yeah yeah, but terminology aside, having 2 or three digits in each
>> attribute is just wrong!
>
> Terminology aside, why? The unit is "8.1" not "8" and "1". It makes no=

> sense to say you're on version 8, in the given context, so why should =
the
> XML data pretend there is?
>
> //Magnus

	Just pretend that :

	- version =3D a tuple of integers (a, b, c, ...)
	- major =3D (a, b)
	- minor =3D (c, ...)

	Besides, that is sortable (unlike strings where 15 < 2) :

	latest minor for major :
	major, max(minor) where major =3D what you want

<pgversion><major><int value=3D"8" /><int value=3D"2" /></major><minor><=
int  =

value=3D"3" /></minor></pgversion>

 from BeautifulSoup import BeautifulSoup as Soup
s =3D Soup("""<pgversion><major><int value=3D"8" /><int value=3D"2"  =

/></major><minor><int value=3D"3" /></minor></pgversion>""" )

>>> v =3D s.find('pgversion')
>>> [int(x['value']) for x in v.find('major') ]
[8, 2]
>>> [int(x['value']) for x in v.find('minor') ]
[3]