Notes using Python subprocesses

    def _transrate(trans_opt):
        """
translation
        """
        # import locale
        # enc = locale.getpreferredencoding()
        # env['PYTHONIOENCODING'] = enc
        command0 = '/usr/bin/pbpaste'
        command1 = '/usr/local/bin/trans' + trans_opt
        command2 = '/usr/bin/pbcopy'
        env = os.environ.copy()
        env["PATH"] = "/usr/bin:/usr/local/bin/:" + env['PATH']
        # command0
        process0 = subprocess.Popen(shlex.split(
            command0), stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
        process0.wait()  # wait()Is a simple implementation
        # command1
        process1 = subprocess.Popen(shlex.split(
            command1), stdin=process0.stdout, stdout=subprocess.PIPE, env=env)
        process1.wait()  # wait()Is a simple implementation
        # Allow ps_process to receive a SIGPIPE if grep_process exits.
        process0.stdout.close()
        # command2
        process2 = subprocess.Popen(shlex.split(
            command2), stdin=process1.stdout, stdout=subprocess.PIPE, env=env)
        process2.wait()  # wait()Is a simple implementation
        # Allow ps_process to receive a SIGPIPE if grep_process exits.
        process1.stdout.close()
        # Allow ps_process to receive a SIGPIPE if grep_process exits.
        process2.stdout.close()

        """
notification
        """
        process0 = subprocess.Popen(shlex.split(
            command0), stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
        process0.wait()  # wait()Is a simple implementation
        output = process0.communicate()[0].decode('utf-8')
        process0.stdout.close()
        command3 = '/usr/bin/osascript -e \'display notification "'+output+'" with title "translation"\''
        subprocess.Popen(shlex.split(command3), env=env)

    def transrate_j2e():
        """
translation
        """
        _transrate(' -b ja:en')
    def transrate_e2j():
        """
translation
        """
        _transrate(' -b en:ja')

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