Create service

#!/usr/bin/python2
# coding:utf-8
import subprocess
import os

class ServiceFile(object):
    def __init__(self):
        self._path = '/etc/systemd/system'
        self.fn = 'cpugovernor.service'
        self.lines = ['[Unit]\n', 'Description=CPU Performance\n', '\n'
                      '[Service]\n', 'Type=oneshot\n', 'ExecStart=/usr/bin/set-perf\n', '\n',
                      '[Install]\n', 'WantedBy=multi-user.target\n']

    def create_executable(self):
        current_path = os.path.join(os.getcwd(), 'set-perf')
        r = subprocess.Popen(['sudo', 'ln', '-s', current_path, '/usr/bin/set-perf', '2>&1'], stdout=subprocess.PIPE).communicate()[0]

    def create_file(self):
        self.create_executable()
        with open(os.path.join(self._path, self.fn), 'w') as f:
            for line in self.lines:
                f.write(line)

    def enable_service(self):
        subprocess.Popen(['sudo', 'systemctl', 'start', self.fn])
        subprocess.Popen(['sudo', 'systemctl', 'enable', self.fn], stdout=subprocess.PIPE)
        subprocess.Popen(['sudo', 'systemctl', 'daemon-reload'])
        r = subprocess.Popen(['sudo', 'systemctl', 'status', os.path.join(self._path, self.fn)], stdout=subprocess.PIPE).communicate()[0]
        r = r[r.find('Loaded'):]
        if not 'not loaded' in r:
            return True
        else:
            return False

if __name__ == '__main__':
    if os.getuid() != 1000:
        service = ServiceFile()
        service.create_file()
        print('Serviço está rodando: {}'.format(service.enable_service()))
    else:
        print('Script rodando sob nível usuário. Por-favor execute novamente como superusuário.')
        exit(1)