# File lib/mechanize/http/agent.rb, line 1093 def set_proxy addr, port, user = nil, pass = nil unless addr and port then @http.proxy = nil return end unless Integer === port then begin port = Socket.getservbyname port rescue SocketError begin port = Integer port rescue ArgumentError raise ArgumentError, "invalid value for port: #{port.inspect}" end end end proxy_uri = URI "http://#{addr}" proxy_uri.port = port proxy_uri.user = user if user proxy_uri.password = pass if pass @http.proxy = proxy_uri end