Ruby: Parse yaml without converting time-strings to objects

yaml_parse_no_times.rb

require 'psych'

class WorseScanner < Psych::ScalarScanner
  def parse_time(s)
    s
  end
end

s = "---\nf: 2001-02-29T01:02:03-03:00" # Note this day doesn't exist.

ast = Psych.parse(s)
class_loader = Psych::ClassLoader.new
visitor = Psych::Visitors::ToRuby.new(WorseScanner.new(class_loader), class_loader)
result = visitor.accept(ast)

puts result

----

$ ruby yaml_parse_no_times.rb
{"f"=>"2001-02-29T01:02:03-03:00"}