#!/usr/bin/python3
# _*_coding: utf-8_*_

import paramiko


class OP_test():
    def __init__(self, hostname,
                 username='root',
                 password=None,
                 port=22):
        self.username = username
        self.hostname = hostname
        self.password = password
        self.port = port
        self.Tran = paramiko.Transport((self.hostname, self.port))
        self.Tran.connect(username=self.username, password=self.password)

    def ssh(self, cmd):
        try:
            self.ssh_obj = paramiko.SSHClient()
            self.ssh_obj._transport = self.Tran
            __stdin, stdout, stderr = self.ssh_obj.exec_command(cmd)
            if stdout.read():
                return str(stdout.read(), encoding='utf-8')
            else:
                return str(stderr.read(), encoding='utf-8')
        except Exception as e:
            print(e)
        finally:
            self.Tran.close()

    def sftp(self, src, dst, mode='get'):
        try:
            self.sftp_obj = paramiko.SFTPClient.from_transport(self.Tran)
            if mode == 'get':
                self.sftp_obj.get(dst, src)
                return True
            elif mode == 'put':
                self.sftp_obj.put(src, dst)
                return True
        except Exception as e:
            print(e)
        finally:
            self.Tran.close()


ssh_test = OP_test(hostname='10.20.154.108', username='root', password='123123', port=22)
print(ssh_test.ssh('ls /tt'))
#result  = ssh_test.sftp('/Users/mingwang/Desktop/test.py','/tmp/test.py.77',mode='put')
#result = ssh_test.sftp('/etc','Users/mingwang/Desktop/test',mode='get')