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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  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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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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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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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

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github.com/miyagawa/cpanfile Tuesday, November 15, 2011

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Thanks! http://speakerdeck.com/u/miyagawa Tuesday, November 15, 2011