CPAN Index on ModPerl::MethodLookup

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Imacat - 04 Sep 2008 19:08 GMT

Dear all,

Hi. This is imacat from Taiwan. I found a strange recorded in
02packages.details.txt.gz:

imacat@rinse ~ % gunzip -c 02packages.details.txt.gz | grep
ModPerl::MethodLookup
ModPerl::MethodLookup 0.009 G/GO/GOZER/mod_perl-2.0.4.tar.gz
imacat@rinse ~ % perl -mModPerl::MethodLookup -e 'print
$ModPerl::MethodLookup::VERSION;'; echo
2.000004
imacat@rinse ~ % echo r | cpan | grep ModPerl::MethodLookup
ModPerl::MethodLookup undef 0.009 GOZER/mod_perl-2.0.4.tar.gz
imacat@rinse ~ % grep '$VERSION' /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi-ld/ModPerl/MethodLookup.pm
our $VERSION = $mod_perl2::VERSION;
imacat@rinse ~ %

The version of ModPerl::MethodLookup in GOZER/mod_perl-2.0.4.tar.gz
is the same as mod_perl, which is 2.000004 but unparsable. It's OK to
show "undef". But 0.009? Where did this number come from?

(I found this when I'm doing regular, weekly CPAN modules update.)

--
Best regards,
imacat ^_*' <imacat@mail.imacat.idv.tw>
PGP Key: http://www.imacat.idv.tw/me/pgpkey.asc

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Andreas J. Koenig - 04 Sep 2008 21:15 GMT

> The version of ModPerl::MethodLookup in GOZER/mod_perl-2.0.4.tar.gz
> is the same as mod_perl, which is 2.000004 but unparsable. It's OK to
> show "undef". But 0.009? Where did this number come from?

I fear this comes from lib/ModPerl/DummyVersions.pm which I do not understand.

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andreas

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Imacat - 07 Sep 2008 18:06 GMT

> > The version of ModPerl::MethodLookup in GOZER/mod_perl-2.0.4.tar.gz
> > is the same as mod_perl, which is 2.000004 but unparsable. It's OK to
> > show "undef". But 0.009? Where did this number come from?
> I fear this comes from lib/ModPerl/DummyVersions.pm which I do not understand.

I see. But $ModPerl::MethodLookup::VERSION is 2.000004, which is
still not the same as 0.009 in 02packages.details.txt.gz.

imacat@rinse ~ % grep '$ModPerl::MethodLookup::VERSION'
lib/ModPerl/DummyVersions.pm
$ModPerl::MethodLookup::VERSION = 2.000004;
imacat@rinse ~ % gunzip -c 02packages.details.txt.gz | grep
ModPerl::MethodLookup
ModPerl::MethodLookup 0.009 G/GO/GOZER/mod_perl-2.0.4.tar.gz
imacat@rinse ~ %

What happened? Why is CPAN indexed 0.009 as the version number of
ModPerl::MethodLookup?

--
Best regards,
imacat ^_*' <imacat@mail.imacat.idv.tw>
PGP Key: http://www.imacat.idv.tw/me/pgpkey.asc

<<Woman's Voice>> News: http://www.wov.idv.tw/
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Andreas J. Koenig - 08 Sep 2008 20:54 GMT

> I see. But $ModPerl::MethodLookup::VERSION is 2.000004, which is
> still not the same as 0.009 in 02packages.details.txt.gz.

> imacat@rinse ~ % grep '$ModPerl::MethodLookup::VERSION'
> lib/ModPerl/DummyVersions.pm
> $ModPerl::MethodLookup::VERSION = 2.000004;
> imacat@rinse ~ % gunzip -c 02packages.details.txt.gz | grep
> ModPerl::MethodLookup
> ModPerl::MethodLookup 0.009 G/GO/GOZER/mod_perl-2.0.4.tar.gz
> imacat@rinse ~ %

> What happened? Why is CPAN indexed 0.009 as the version number of
> ModPerl::MethodLookup?

In this chapter:

http://www.cpan.org/modules/04pause.html#conventions

it is explained that the PAUSE indexer uses such a piece of code:

% perl -MExtUtils::MakeMaker -le 'print MM->parse_version(shift)' lib/ModPerl/DummyVersions.pm
0.009

I think that the only way out for complex distribution architectures
like this one is that the architects write their own META.yml and take
the duty from the indexer.

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andreas

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Webmaster Forum / Perl / Modules / September 2008

CPAN Index on ModPerl::MethodLookup