cpanfile - Speaker Deck

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cpanfile Tatsuhiko Miyagawa London Perl Workshop 2011 Tuesday, November 15, 2011

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Hey, cpanminus is so Hot! Tuesday, November 15, 2011

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Hey, cpanminus is so Hot! Tuesday, November 15, 2011

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Making a Perl module that depends on CPAN modules Tuesday, November 15, 2011

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= Making a CPAN distribution Tuesday, November 15, 2011

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Declaring CPAN Dependencies Tuesday, November 15, 2011

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Makefile.PL Build.PL Tuesday, November 15, 2011

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use ExtUtils::MakeMaker; WriteMakefile( NAME => ‘MyModule’, VERSION => ‘1.22’, PREREQ_PM => { ‘JSON’ => 0, ‘Hash::MultiValue’ => ‘0.11’, }, ); Tuesday, November 15, 2011

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use Module::Build; my $build = Module::Build-‐>new( module_name => ‘MyModule’, requires => { ‘JSON’ => ‘2.00’, ‘Hash::MultiValie’ => ‘0.20’, }, ); $build-‐>create_build_script; Tuesday, November 15, 2011

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use inc::Module::Install; name ‘MyApp’; all_from ‘lib/MyApp.pm’; requires ‘JSON’, ‘2.00’; requires ‘Hash::MultiValue’ => 0.10; WriteAll; Tuesday, November 15, 2011

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Or use Dist::Zilla. Tuesday, November 15, 2011

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Making a Perl application that depends on CPAN modules Tuesday, November 15, 2011

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≠ Making a CPAN distribution Tuesday, November 15, 2011

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Declaring CPAN Dependencies Tuesday, November 15, 2011

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? Tuesday, November 15, 2011

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Makefile.PL Build.PL Tuesday, November 15, 2011

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Problems with Makeﬁle.PL/Build.PL Tuesday, November 15, 2011

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Lots of boilerplate Tuesday, November 15, 2011

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use ExtUtils::MakeMaker; WriteMakefile( NAME => ‘MyModule’, VERSION => ‘1.22’, PREREQ_PM => { ‘JSON’ => 0, ‘Hash::MultiValue’ => ‘0.11’, }, ); Tuesday, November 15, 2011

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use inc::Module::Install; name ‘MyApp’; all_from ‘lib/MyApp.pm’; requires ‘JSON’, ‘2.00’; requires ‘Hash::MultiValue’ => 0.10; WriteAll; Tuesday, November 15, 2011

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dzil has no boilerplate ... but it’s not a distribution! Tuesday, November 15, 2011

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Can have deps conﬁgure_requires, META.yml inc/Module/Install.pm Tuesday, November 15, 2011

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Makefile.PL Build.PL Tuesday, November 15, 2011

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conﬁgure build test install Tuesday, November 15, 2011

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conﬁgure build test install ✔ Tuesday, November 15, 2011

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My application is not meant to be installed! e.g. dotcloud push Tuesday, November 15, 2011

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Great for dists. Not-so for apps. Tuesday, November 15, 2011

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By the way... Tuesday, November 15, 2011

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I <3 Module::Install’s DSL Tuesday, November 15, 2011

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CPAN Meta Spec v2 Awesome stuff. Tuesday, November 15, 2011

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Tuesday, November 15, 2011

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Marrying them together? Tuesday, November 15, 2011

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A Proposal Tuesday, November 15, 2011

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cpanfile Tuesday, November 15, 2011

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requires ‘Plack’, 0.9980; requires ‘Catalyst’, ‘>= 5.8, < 5.9’; conflicts ‘MooseX::Foo’, ‘< 0.10’; on ‘test’ => sub { requires ‘Test::More’, 0.80; }; on ‘develop’ => sub { requires ‘Devel::NYTProf’; }; Tuesday, November 15, 2011

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inspired by: gemﬁle(5) Tuesday, November 15, 2011

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Backward compatible to: Module::Install(::DSL) Tuesday, November 15, 2011

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Convertible to: CPAN::Meta::Prereqs Tuesday, November 15, 2011

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CPAN::Meta::Prereqs-‐>new({ runtime => { requires => { ‘Plack’ => 0.9980, ‘Catalyst’ => ‘>= 5.8, < 5.9’, }, conflicts => { ‘MooseX::Foo’ => ‘< 0.10’, }, }, test => { requires => { ‘Test::More’ => 0.80, }, }, develop => { requires => { ‘Devel::NYTProf’ => 0, }, } }); Tuesday, November 15, 2011

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Will be supported by: cpanm 1.6, carton 1.0 Tuesday, November 15, 2011

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Carton github.com/miyagawa/carton Tuesday, November 15, 2011

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Apps ﬁrst, Dists later. Tuesday, November 15, 2011

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Turing Complete? PPI, B::*, Safe Validated by authoring tools Tuesday, November 15, 2011