!! python3 psutil 

使い方
https://pypi.org/project/psutil/

ディスクの使用率
 import psutil
 
 rdsk = psutil.disk_usage('/')
 print(rdsk.percent)
 # print(dsk.total) # 総量
 # print(dsk.free) # 空き容量
 
 hdsk = psutil.disk_usage('/usr/home')
 print(hdsk.percent)

メモリ
 >>> psutil.virtual_memory()
 svmem(total=10367352832, available=6472179712, percent=37.6, used=8186245120, free=2181107712, active=4748992512, inactive=2758115328, buffers=790724608, cached=3500347392, shared=787554304)
 >>> psutil.swap_memory()
 sswap(total=2097147904, used=296128512, free=1801019392, percent=14.1, sin=304193536, sout=677842944)
 >>>