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Get all CPAN distributions using scroll API for MetaCPAN #2817

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Get all CPAN distributions using scroll API for MetaCPAN #2817

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Get all CPAN distributions using scroll API for MetaCPAN
zmughal May 18, 2021
aece71c
Revert "Remove CPAN from missing task"
zmughal May 18, 2021
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16 changes: 10 additions & 6 deletions app/models/package_manager/cpan.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -13,16 +13,20 @@ def self.package_link(project, _version = nil)
end

def self.project_names
page = 1
projects = []
size = 5000
time = '1m'
scroll_start_r = get("https://fastapi.metacpan.org/v1/release/_search?scroll=#{time}&size=#{size}&q=status:latest&fields=distribution")
projects += scroll_start_r["hits"]["hits"]
scroll_id = scroll_start_r['_scroll_id']
loop do
r = get("https://fastapi.metacpan.org/v1/release/_search?q=status:latest&fields=distribution&sort=date:desc&size=5000&from=#{page * 5000}")["hits"]["hits"]
break if r == []
r = get("https://fastapi.metacpan.org/v1/_search/scroll?scroll=#{time}&scroll_id=#{scroll_id}")
break if r["hits"]["hits"] == []

projects += r
page += 1
projects += r["hits"]["hits"]
scroll_id = r['_scroll_id']
end
projects.map { |project| project["fields"]["distribution"] }.uniq
projects.map { |project| project["fields"]["distribution"] }.flatten.uniq
end

def self.recent_names
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2 changes: 1 addition & 1 deletion lib/tasks/projects.rake
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Expand Up @@ -85,7 +85,7 @@ namespace :projects do
desc 'Download missing packages'
task download_missing: :environment do
exit if ENV['READ_ONLY'].present?
['Alcatraz', 'Bower', 'Cargo', 'Clojars', 'CocoaPods', 'CRAN',
['Alcatraz', 'Bower', 'Cargo', 'Clojars', 'CocoaPods', 'CPAN', 'CRAN',
'Dub', 'Elm', 'Hackage', 'Haxelib', 'Hex', 'Homebrew', 'Inqlude',
'Julia', 'NPM', 'Packagist', 'Pypi', 'Rubygems'].each do |platform|
"PackageManager::#{platform}".constantize.import_new_async rescue nil
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