python 磁盘空间操作

python对磁盘操作

查看文件夹的大小

查看目录挂载点的 使用情况

Disk_Usage = namedtuple("usage", "total used free percent")

class DiskSpaceUtil(object):
    @staticmethod
    def get_dir_size(dir_path):
        """unit byte"""
        size = 0l
        for root, dirs, file_names in os.walk(dir_path):
            size += sum([os.path.getsize(os.path.join(root, file_name)) for file_name in file_names])
        return size

    @staticmethod
    def get_dir_usage(dir_path):
        """The usage of this dir_path`s mount path"""
        """Return disk usage associated with path."""
        st = os.statvfs(dir_path)
        free = (st.f_bavail * st.f_frsize)
        total = (st.f_blocks * st.f_frsize)
        used = (st.f_blocks - st.f_bfree) * st.f_frsize
        try:
            percent = ret = (float(used) / total) * 100
        except ZeroDivisionError:
            percent = 0

        return Disk_Usage(total, used, free, round(percent, 1))

References:

http://blog.csdn.net/magic_zj00/article/details/7207445