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<H1>[Mageia-dev] [soft-commits] [3012] Add ability to increase the version number of a given package</H1>
<B>Thierry Vignaud</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20%5Bsoft-commits%5D%20%5B3012%5D%20Add%20ability%20to%20increase%20the%0A%20version%20number%20of%20a%20given%20package&In-Reply-To=%3CCAONrEtZecXBnuS2Dk_N9pRkhAG6N%2BrDmwzP0-gsEjv6Y%2BJzNww%40mail.gmail.com%3E"
TITLE="[Mageia-dev] [soft-commits] [3012] Add ability to increase the version number of a given package">thierry.vignaud at gmail.com
</A><BR>
<I>Wed Feb 22 18:13:12 CET 2012</I>
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<PRE>On 22 February 2012 17:06, <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">root at mageia.org</A>> wrote:
><i> Revision 3012 Author ovitters Date 2012-02-22 17:06:51 +0100 (Wed, 22 Feb
</I>><i> 2012)
</I>><i>
</I>><i> Log Message
</I>><i>
</I>><i> Add ability to increase the version number of a given package
</I>><i>
</I>><i> Command tries to be careful and does various checks (patches still apply,
</I>><i> etc)
</I>
Too sad it doesn't support this:
%define rel 3
%define release %mkrel %rel
(which is hard anyway and should be rare though it does exist among
mga packages)
><i> +def version_cmp(a, b):
</I>><i> + """Compares two versions
</I>><i> +
</I>><i> + Returns
</I>><i> + -1 if a < b
</I>><i> + 0 if a == b
</I>><i> + 1 if a > b
</I>><i> +
</I>><i> + Logic from Bugzilla::Install::Util::vers_cmp"""
</I>><i> + A = re_version.findall(a.lstrip('0'))
</I>><i> + B = re_version.findall(b.lstrip('0'))
</I>><i> +
</I>><i> + while A and B:
</I>><i> + a = A.pop(0)
</I>><i> + b = B.pop(0)
</I>><i> +
</I>><i> + if a == b:
</I>><i> + continue
</I>><i> + elif a == '-':
</I>><i> + return -1
</I>><i> + elif b == '-':
</I>><i> + return 1
</I>><i> + elif a == '.':
</I>><i> + return -1
</I>><i> + elif b == '.':
</I>><i> + return 1
</I>><i> + elif a.isdigit() and b.isdigit():
</I>><i> + c = cmp(a, b) if (a.startswith('0') or b.startswith('0')) else
</I>><i> cmp(int(a, 10), int(b, 10))
</I>><i> + if c:
</I>><i> + return c
</I>><i> + else:
</I>><i> + c = cmp(a.upper(), b.upper())
</I>><i> + if c:
</I>><i> + return c
</I>><i> +
</I>><i> + return cmp(len(A), len(B))
</I>
Please do not reinvent the whell and do sg like this instead:
import rpm
def compare(t1, t2):
# t1 and t2 are tuples of (version, release)
v1, r1 = t1
v2, r2 = t2
return rpm.labelCompare(('1', v1, r1), ('1', v2, r2))
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