import paramiko, time

client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect('192.168.100.2', username='mi4', password='m14', look_for_keys=False, allow_agent=False)

# Simple test
simple_code = ':put "hello world" ; :local x 5 ; :put $x'
escaped = simple_code.replace('"', '\\"').replace('$', '\\$').replace('\\', '\\\\')
print(f"Original: {simple_code}")
print(f"Escaped:  {escaped}")

chan = client.invoke_shell()
chan.settimeout(5)
time.sleep(1.5)

out = b''
while chan.recv_ready(): out += chan.recv(65535)

# Create test script
chan.send(f'/system script add name=test_esc source="{escaped}"\n')
time.sleep(2)
out = b''
while chan.recv_ready(): out += chan.recv(65535)
print(f"\nCreate result: {out.decode(errors='replace')[:200]}")

# Read it back
stdin, stdout, stderr = client.exec_command(':put [/system script get test_esc source]')
time.sleep(0.5)
result = stdout.read().decode().strip()
print(f"\nStored source: {result}")

# Cleanup
chan.send('/system script remove test_esc\n')
time.sleep(1)
chan.close()
client.close()