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