#!/usr/bin/env/ python
"""
/proc/cpuinfo as a Python dict
"""
from __future__ import print_function
from collections import OrderedDict
import pprint
def cpuinfo():
''' Return the information in /proc/cpuinfo
as a dictionary in the following format:
cpu_info['proc0']={...}
cpu_info['proc1']={...}
'''
cpuinfo=OrderedDict()
procinfo=OrderedDict()
nprocs = 0
with open('/proc/cpuinfo') as f:
for line in f:
if not line.strip():
# end of one processor
cpuinfo['proc%s' % nprocs] = procinfo
nprocs=nprocs+1
# Reset
procinfo=OrderedDict()
else:
if len(line.split(':')) == 2:
procinfo[line.split(':')[0].strip()] = line.split(':')[1].strip()
else:
procinfo[line.split(':')[0].strip()] = ''
return cpuinfo
if __name__=='__main__':
cpuinfo = cpuinfo()
for processor in cpuinfo.keys():
print(cpuinfo[processor]['model name'])
这段代码中使用了OrderedDict(有序字典)而不是常规的字典，能够使用键值有序的存储在文件里。所以，第一个处理器单元的数据之后就是第二个处理器单元的数据，以此类推。你可以使用过滤器来过滤你所查找的信息（如同在if __name__ == '__main__'块中演示的那样）。上面的程序每次执行后都会打印每个处理器单元的模型名（如通过cpuinfo[processor]['model name']语句表明的那样）
Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
