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class method

Gem::Specification.from_yaml

from_yaml(input)

lib/rubygems/specification.rb View on GitHub ↗

# File tmp/rubies/ruby-3.0.5/lib/rubygems/specification.rb, line 1064
def self.from_yaml(input)
  Gem.load_yaml

  input = normalize_yaml_input input
  spec = Gem::SafeYAML.safe_load input

  if spec && spec.class == FalseClass
    raise Gem::EndOfYAMLException
  end

  unless Gem::Specification === spec
    raise Gem::Exception, "YAML data doesn't evaluate to gem specification"
  end

  spec.specification_version ||= NONEXISTENT_SPECIFICATION_VERSION
  spec.reset_nil_attributes_to_default

  spec
end

Special loader for YAML files. When a Specification object is loaded from a YAML file, it bypasses the normal Ruby object initialization routine (initialize). This method makes up for that and deals with gems of different ages.

input can be anything that YAML.load() accepts: String or IO.

See also .find_in_unresolved_tree .gemspec_stubs_in .find_in_unresolved .installed_stubs also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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