(use-modules (guix packages)

             (guix gexp)

             (guix build-system pyproject)

             ((gnu packages hardware) #:prefix guix:)

             (gnu packages messaging)

             (gnu packages python-build))

(define-public python-usbrelay

  (package

    (inherit guix:usbrelay)

    (name "python-usbrelay")

    (build-system pyproject-build-system)

    (inputs (list guix:usbrelay))

    (native-inputs (list python-setuptools python-wheel))

    (propagated-inputs (list python-paho-mqtt))

    (arguments

     (list

      #:phases

      #~(modify-phases %standard-phases

          (add-after 'unpack 'install-daemon

            (lambda _

              (install-file "usbrelayd.8"

                            (string-append #$output "/share/man/man8"))

              (install-file "usbrelayd"

                            (string-append #$output "/sbin"))

              (chmod (string-append #$output "/sbin/usbrelayd") #o555)))

          (add-after 'install-daemon 'chdir

            (lambda _

              (chdir "usbrelay_py"))))))))

               (default '(loopback))))

             (gnu services shepherd)

             (cogd packages hardware))

         (requirement '(mosquitto))

               (default '(loopback)))