import paramiko
import sys
sys.stdout.reconfigure(encoding="utf-8", errors="replace")
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("192.168.8.21", username="root", password="woaini88", timeout=15)
for cmd in [
    "ls -la /opt/qihuo/market_sessions.py",
    "head -5 /opt/qihuo/market_sessions.py",
    "cd /opt/qihuo && /opt/qihuo/venv/bin/python -c \"import market_sessions; print(market_sessions.is_night_trading_session())\"",
]:
    _, o, e = c.exec_command(cmd)
    print(">>>", cmd)
    print(o.read().decode())
    print(e.read().decode())
c.close()