import argparse
import paramiko

host = '192.168.1.66'
user = 'pi'
passw = 'raspberry'
port = 22

def create_argparse():
    p = argparse.ArgumentParser(description='Remote control Raspberry Pi')
    p.add_argument('--host', action='store', dest='host', default=host, help='host')
    p.add_argument('--user', action='store', dest='user', default=user, help='username')
    p.add_argument('--passw', action='store', dest='passw', default=passw, help='password')
    return p

def get_args():
    parser = create_argparse()
    return parser.parse_args()

args = get_args()

try:
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname=args.host, username=args.user, password=args.passw, port=port)
    stdin, stdout, stderr = client.exec_command('ls -l')
    print(stdout.read())
finally:
    client.close()

# Exec SSH command
# stdin, stdout, stderr = client.exec_command('pidof CompassNew')
# ans = stdout.read()
# if ans:
#     pid = int(ans.decode())
#     print(pid)
#     stdin, stdout, stderr = client.exec_command('kill -9 {0}'.format(pid))
#     print(stdout.read())
# print(stdout.read().decode().split('\n'))
# client.close()