YAMLSaver saves and loads cookies in the YAML format. It can load a YAML file saved by Mechanize, but the saving format is not compatible with older versions of Mechanize (< 2.7).
# File lib/http/cookie_jar/yaml_saver.rb, line 22 def load(io, jar) begin data = YAML.load(io) rescue ArgumentError => e case e.message when %{\Aundefined class/module Mechanize::} # backward compatibility with Mechanize::Cookie begin io.rewind # hopefully yaml = io.read # a gross hack yaml.gsub!(%{^( [^ ].*:) !ruby/object:Mechanize::Cookie$}, "\\1") data = YAML.load(yaml) rescue Errno::ESPIPE @logger.warn "could not rewind the stream for conversion" if @logger rescue ArgumentError end end end case data when Array data.each { |cookie| jar.add(cookie) } when Hash # backward compatibility with Mechanize::Cookie data.each { |domain, paths| paths.each { |path, names| names.each { |cookie_name, cookie_hash| if cookie_hash.respond_to?(:ivars) # YAML::Object of Syck cookie_hash = cookie_hash.ivars end cookie = HTTP::Cookie.new({}.tap { |hash| cookie_hash.each_pair { |key, value| hash[key.to_sym] = value } }) jar.add(cookie) } } } else @logger.warn "incompatible YAML cookie data discarded" if @logger return end end
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