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Perl5 Package Manager
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Shoichi Kaji
August 26, 2018
Technology
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Perl5 Package Manager
Learn Languages 2018 in ODC (LL2018), 2018/08/26
Shoichi Kaji
August 26, 2018
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Transcript
Perl5ͷ ύοέʔδϚωʔδϟ Shoichi Kaji
Me • Shoichi Kaji • CPAN, github: skaji • the
author of cpm (a Perl5 module installer)
͜ͷൃදͷత • Perl5Λීஈ͋·Γ৮͍ͬͯͳ͍ਓΛରʹ • ࠓޙɺPerl5Λ৮Ζ͏ͱͨ͠ͱ͖ͷͨΊʹ • moduleͷΠϯετʔϧཧͷΓํΛ ఏࣔ͢Δ
Contents • moduleͷΠϯετʔϧ - cpanm • ґଘmoduleͷએݴ - cpanfile •
ґଘmoduleͷversionอଘɺ࠶ݱ - carton • ·ͱΊ • ࠓޙͷಈ͖
moduleͷΠϯετʔϧ › perl monitor.pl Can't locate Capture/Tiny.pm in @INC (you
may need to install the Capture::Tiny module)… ͨͱ͑Perl5Ͱॻ͔ΕͨࢹεΫϦϓτmonitor.pl͕ ͋Δͱ͢ΔɻͦΕΛ࣮ߦ͢Δͱ... Capture::Tiny͕ೖͬͯͳ͍
moduleͷΠϯετʔϧ moduleͷΠϯετʔϧʹcpanmΛ͏ cpanmࣗͷΠϯετʔϧํ๏ # case1. globalʹೖΕΔ › curl https://cpanmin.us |
perl - -n App::cpanminus # ͠perl͕system perlͷ߹ɺͪΖΜsudo͕ඞཁ › curl https://cpanmin.us | perl - -n --sudo App::cpanminus # case2. ڥΛԚͨ͘͠ͳ͍߹ΧϨϯτσΟϨΫτϦʹऔͬͯ͘ΕΑ͍ › curl -o cpanm https://cpanmin.us › perl ./cpanm --version
moduleͷΠϯετʔϧ # Capture::TinyΛΠϯετʔϧ › cpanm -n Capture::Tiny Successfully installed Capture-Tiny-0.48
› perl monitor.pl # WORkS!
moduleͷΠϯετʔϧ # σϑΥϧτͰ୯ମςετΛΒ͔ͤͯΒΠϯετʔϧ͢Δ # -n ͰͦΕΛεΩοϓͰ͖Δ › cpanm -n Amon2
# σϑΥϧτͰɺglobalͳσΟϨΫτϦʹmoduleΛΠϯετʔϧ͢Δ # ڥΛԚͨ͘͠ͳ͍߹ɺ-L ΛͬͯΠϯετʔϧઌΛมߋ͢Δ › cpanm -L ./local Mojolicious # ࣮ߦ࣌ -I ͰͦͷσΟϨΫτϦΛsearch pathʹՃ͢Δ › perl -I ./local/lib/perl5 script.pl ͍͔ͭ͘ͷcpanmͷtips
ґଘmoduleͷએݴ • ࣗͰPerl5ͷεΫϦϓτΛॻ͍ͨͱ͠Α͏ • ͍͔ͭ͘ґଘmodule͕͋Δ͚ΕͲɺ ͦΕΛͲ͏Ϣʔβʹ͑Ε͍͍ͷ͔ • cpanfileΛ͓͏
ґଘmoduleͷએݴ cpanfile - ґଘmoduleΛએݴ͢ΔϑΝΠϧ › cat cpanfile requires 'Plack', '1.0';
# 1.0 or newer requires 'JSON', '>= 2.00, < 2.80'; # ୯ମςετ࣌ͷΈඞཁͳmodule on test => sub { requires 'Test::More', '== 1.302140'; recommends 'Test::TCP', '1.12'; };
ґଘmoduleͷએݴ # cpanfile͕͋ΔσΟϨΫτϦͰcpanmΛ--installdepsͱͱʹ # ࣮ߦ͢ΕґଘmoduleΛΠϯετʔϧͰ͖Δ › capnm -n --installdeps .
# -L ͱΈ߹ΘͤΕɺΧϨϯτσΟϨΫτϦʹ # ґଘmoduleΛΠϯετʔϧͰ͖Δ › cpanm -n -L ./local --installdeps . › perl -I ./local/lib/perl5 script.pl cpanfileʹґଘmoduleΛએݴ͢Ε cpanmͰ؆୯ʹΠϯετʔϧͰ͖Δ
ґଘmoduleͷversionอଘɺ࠶ݱ • Perl5ͰຊࠊΛೖΕͯΞϓϦέʔγϣϯΛॻ͍͍ͯ͘ ͱɺґଘmodule͙͢ʹ100Λ͑Δ • ͢Δͱґଘmoduleͷversionʹහײʹͳͬͯ͘Δ • ։ൃڥͰςετΛpassͨ͠ͱ͖ͷґଘmoduleͷ versionΛͯ͢อଘ͠ɺͦΕΛຊ൪Ͱ࠶ݱ͍ͨ͠ •
cartonΛ͓͏
ґଘmoduleͷversionอଘɺ࠶ݱ # CartonࣗͷΠϯετʔϧ › cpanm -n Carton # cpanfileͰએݴ͞ΕͨґଘmoduleΛ./localʹΠϯετʔϧ͢Δ ›
carton install Complete! Modules were installed into …/local # Πϯετʔϧͨ͠moduleͷversioncpanfile.snapshotʹอଘ͞ΕΔ › ls cpanfile cpanfile.snapshot local # carton execͰ./localΛsearch pathʹೖΕͯperlΛىಈͰ͖Δ # (ͪΖΜɺcarton execΛΘͣࣗͰ-IΛࢦఆͯ͠Α͍) › carton exec perl script.pl cartonΛ༻͍ͨ։ൃϑϩʔ(1)
ґଘmoduleͷversionอଘɺ࠶ݱ # ͦͷޙɺผͷڥͰ--deploymentΛ͚ͭͯΠϯετʔϧ͢Δ͜ͱͰ # snapshotʹهड़͞ΕͨversionΛ࠶ݱͰ͖Δ › carton install --deployment Installing
modules using …/cpanfile (deployment mode) Complete! Modules were installed into …/local cartonΛ༻͍ͨ։ൃϑϩʔ(2)
·ͱΊ • moduleͷΠϯετʔϧʹcpanmΛ͏ • ґଘmoduleͷએݴʹcpanfileΛ͏ • ґଘmoduleͷversionอଘɺ࠶ݱʹ cartonΛ͏
ࠓޙͷಈ͖ (πʔϧ) • moduleΠϯετʔϥͱͯ͠cpanmҎ֎ʹ CPAN.pm, CPANPLUS, cpmͳͲ͕͋Δ • cartonͷޙܧͱͯ͠carmel͕։ൃ͞Ε͍ͯΔ
ࠓޙͷಈ͖ (Έ) • Perl5ͰGNU Autotoolsͱಉ͡Α͏ʹϢʔβαΠυͰεΫϦϓτΛ࣮ߦͤ͞ɺΠ ϯετʔϧ࣌ͷڍಈΛಈతʹมԽͤ͞Δͷ͕ৗͰ͋ͬͨɻ Ұํɺେͷ߹͜ΕoverkillͰ͋Γɺ੩తղੳͱ૬ੑ͕ѱ͍ɻ ͜Εʹର͠ɺࡢࠓɺͬͱγϯϓϧͳstatic installͱ͍͏ΠϯετʔϧͷΈ͕ ఏҊ͞Ε͍ͯΔɻ
• Perl5Ͱී௨ɺͯ͢ͷmoduleͨͪΛ͋ΔҰͭͷσΟϨΫτϦʹ·ͱΊͯΠϯ ετʔϧ͍ͯ͠Δɻ ͔͠͠ɺͦ͏ͯ͠͠·͏ͱɺͲͷmodule͕Ͳͷdistributionʹଐ͢Δͷ͔Θ͔Β ͳ͘ͳΓɺཧ͕͠ʹ͘͘ͳΔɻ ͜Εʹର͠ɺʮdistribuitonΛผʑʹཧ͠ɺ࣮ߦ࣌ʹͦΕΒΛదʹsearch pathʹஔ͠Α͏ʯͱ͍͏ΞΠσΞ͕͋Γ carmel·͞ʹͦΕΛ࣮͍ͯ͠Δɻ