__init__.py

from mycroft import MycroftSkill, intent_file_handler
import subprocess
import os
import paramiko


class ProjectorSwitch(MycroftSkill):
    def __init__(self):
        MycroftSkill.__init__(self)
    def run_command(self,cmd):
        ssh=paramiko.SSHClient()
        ssh.load_system_host_keys()
        print('Mycroft is gonna print the settings to connect to your device if the settings are empty and you get an error please got to home.mycroft.ai look to the projector switch skill and change the crentials settings, click on save.)') 
        print('I will connect under the username:') 
        usernm=self.settings.get('username')
        hostnm=self.settings.get('hostname')
        
        passwd=self.settings.get('password', 'and if password is not enough try the generating ssh key via "ssh-keygen", "ssh-copy-id user@hostaddress"')
        print(usernm)
        print('I will connect under hostname:',hostnm)
        print('I will connect under password:',passwd)
        ssh.connect(hostname=hostnm,username=usernm,password=passwd)
        ssh_stdin, ssh_stdout, ssh_stderr = ssh.exec_command(cmd)
        return None

    #@intent_file_handler('start.projector.intent')
    #def handle_switch_projector(self, message):
    #    self.speak_dialog('start.projector')
    @intent_file_handler('start.intent')
    def handle_start(self, message):
        print(subprocess.call('pwd'))
        self.speak_dialog('start')
        start_command= 'echo -ne "* 0 IR 001\r" | tee /dev/ttyUSB0'
        self.run_command(start_command)
        #os.system('echo "* 0 IR 001\r" | tee /dev/ttyUSB0')
        #os.system('ssh root@10.0.0.154 ')
        
        print('Projector should be on now')	

    @intent_file_handler('stop.intent')
    def handle_stop(self,message):
        self.speak_dialog('stop')
        #os.system("echo '* 0 IR 002\r' | tee /dev/ttyUSB0")
        stop_command='echo -ne "* 0 IR 002\r" | tee /dev/ttyUSB0'
        self.run_command(stop_command)
        print('Projector should be stopped now')
        
def create_skill():
    return ProjectorSwitch()