'''
Use this python file to copy the command of wall output to clipboard. The sender needs to login into remote system and send the output he intends the receiver to receive
in the wall command. The receiver needs to run this script, please input the credentials of the same server in which the sender has logged in, whenever the script receives the output it gets copied into clipboard
of the PC of the receiver.
'''
from paramiko import SSHClient, AutoAddPolicy
import pyperclip
ssh = SSHClient()
ssh.set_missing_host_key_policy(AutoAddPolicy())
ssh.connect('IP_Adress', username='username', password='password', key_filename='path_to_key')
outdata, errdata = '', ''
ssh_transp = ssh.get_transport()
chan = ssh_transp.open_session()
chan.setblocking(1)
chan.get_pty()
chan.exec_command('wall -n')
def copy_to_clip(string_to_copy):
    list_of_strings = string_to_copy.split('\n')
    list_of_strings = list_of_strings[3:]
    string_to_copy = '\n'.join(list_of_strings)
    pyperclip.copy(string_to_copy)
    # if you want to receive constantly then comment the below line
    quit()
while True:  # monitoring process
    # Reading from output streams
    while chan.recv_ready():
        outdata += chan.recv(1000)
        print(copy_to_clip(outdata.decode('ascii')))
        #   print stdout.readlines()
    while chan.recv_stderr_ready():
        errdata += chan.recv_stderr(1000)
        print(errdata)
    if chan.exit_status_ready():  # If completed
        break
ssh_transp.close()