python调用shell 或cmd命令。
from subprocess import Popen, PIPE
def call_python_cmd(cmd):
    """调用执行python cmd"""
    print(cmd)
    try:
        p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
        p.wait()
        if p.returncode != 0:
            print(f"p_returncode:{p.returncode}")
            for line in p.stderr.readlines():
                print(line)
            return False
        for line in p.stdout.readlines():
            print(line)
    except Exception as e:
        print(e)
        return False
    return True