1*4882a593Smuzhiyun#!/usr/bin/env python3 2*4882a593Smuzhiyun# https://stackoverflow.com/questions/22102999/get-total-physical-memory-in-python/28161352 3*4882a593Smuzhiyunimport sys 4*4882a593Smuzhiyunmeminfo = dict((i.split()[0].rstrip(':'),int(i.split()[1])) for i in open('/proc/meminfo').readlines()) 5*4882a593Smuzhiyunmem_free = meminfo['MemTotal']/1024./1024. 6*4882a593Smuzhiyunif mem_free < 2.: 7*4882a593Smuzhiyun raise RuntimeError("Insufficient free memory({:.3f}): requires > 2 GB".format(mem_free)) 8*4882a593Smuzhiyun sys.exit(1) 9*4882a593Smuzhiyunelse: 10*4882a593Smuzhiyun print("Free memory: {:.3f} GB".format(mem_free)) 11