class Gem::Resolver::APISet

The global rubygems pool, available via the rubygems.org API. Returns instances of APISpecification.

Attributes

source[R]

The Gem::Source that gems are fetched from

uri[R]

The corresponding place to fetch gems.

Public Class Methods

new(dep_uri = 'https://rubygems.org/api/v1/dependencies') click to toggle source

Creates a new APISet that will retrieve gems from uri using the RubyGems API URL dep_uri which is described at guides.rubygems.org/rubygems-org-api

Calls superclass method BasicObject.new

# File lib/rubygems/resolver/api_set.rb, line 27
def initialize dep_uri = 'https://rubygems.org/api/v1/dependencies'
  super()

  dep_uri = URI dep_uri unless URI === dep_uri # for ruby 1.8

  @dep_uri = dep_uri
  @uri     = dep_uri + '../..'

  @data   = Hash.new { |h,k| h[k] = [] }
  @source = Gem::Source.new @uri
end

Public Instance Methods

find_all(req) click to toggle source

Return an array of APISpecification objects matching DependencyRequest req.

# File lib/rubygems/resolver/api_set.rb, line 43
def find_all req
  res = []

  return res unless @remote

  versions(req.name).each do |ver|
    if req.dependency.match? req.name, ver[:number]
      res << Gem::Resolver::APISpecification.new(self, ver)
    end
  end

  res
end

prefetch(reqs) click to toggle source

A hint run by the resolver to allow the Set to fetch data for DependencyRequests reqs.

# File lib/rubygems/resolver/api_set.rb, line 61
def prefetch reqs
  return unless @remote
  names = reqs.map { |r| r.dependency.name }
  needed = names - @data.keys

  return if needed.empty?

  uri = @dep_uri + "?gems=#{needed.sort.join ','}"
  str = Gem::RemoteFetcher.fetcher.fetch_path uri

  loaded = []

  Marshal.load(str).each do |ver|
    name = ver[:name]

    @data[name] << ver
    loaded << name
  end

  (needed - loaded).each do |missing|
    @data[missing] = []
  end
end