python获取磁盘剩余空间的方法

#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
@author: YangPC
@time:2021/06/17


"""
import ctypes
import os
import platform


# 磁盘内存检查
def get_free_space_mb(folder):
    if platform.system() == 'Windows':
        free_bytes = ctypes.c_ulonglong(0)
        ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(folder), None, None, ctypes.pointer(free_bytes))
        return free_bytes.value / 1024 / 1024 / 1024
    else:
        st = os.statvfs(folder)
        return st.f_bavail * st.f_frsize / 1024 / 1024


if __name__ == '__main__':
    print(get_free_space_mb("D:"), 'GB')