dmidecode收集系统信息
[root@133 systeminformation]# vim dmidecode_1.py #!/usr/bin/env python from subprocess import Popen,PIPE p = Popen(['dmidecode'],stdout=PIPE) data=p.stdout line_s = [] ＃定义一个空列表 dmi = {} ＃定义一个空字典 a = True ＃设置标志位 a = True while a: line = data.readline() if line.startswith('System Information'): ＃判断以System Information开头的段， while True: line = data.readline() if line == '\n': ＃取该段落，直到有空行 a = False break else: line_s.append(line) dmi_dic = dict([i.strip().split(':') for i in line_s]) ＃把空格和换行符删除 dmi['Manufacturer'] = dmi_dic['Manufacturer'].strip() ＃打印key＝ Manufacturer的键值对 print dmi print {'\n'*20} for k,v in dmi_dic.items(): ＃打印以System Information开头的段，以key、value打印出来 dmi[k] = v.strip() print dmi [root@133 systeminformation]# python dmidecode_1.py {'Manufacturer': 'Dell Inc.'} set(['\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n']) {'SKU Number': 'Not Specified', 'UUID': '4C4C4544-0048-4210-8044-B4C04F543258', 'Family': 'Not Specified', 'Serial Number': '4HBDT2X', 'Version': 'Not Specified', 'Product Name': 'PowerEdge R710', 'Wake-up Type': 'Power Switch', 'Manufacturer': 'Dell Inc.'}注意：在Python里，以下这些对象相当于布尔值的False
空列表([] )
空元组(() )
空字典({} )
空字符串('' )
零值(0 )
特殊对象None
对象False
[root@133 systeminformation]# cat dmidecode_2.py #!/usr/bin/env python from subprocess import Popen,PIPE def getDmi(): p = Popen(['dmidecode'], stdout = PIPE) data = p.stdout.read() return data def parseDmi(data): lines = [] line_in = False dmi_list = [i for i in data.split('\n') if i] for line in dmi_list: if line.startswith('System Information'): line_in = True continue if line_in: if not line[0].strip(): lines.append(line) else: break return lines def dmiDic(): dmi_dic = {} data = getDmi() lines = parseDmi(data) dic = dict ([i.strip().split(':')for i in lines]) dmi_dic['vendor'] = dic['Manufacturer'] return dmi_dic if __name__ == '__main__': print dmiDic() [root@133 systeminformation]# python dmidecode_2.py {'vendor': ' Dell Inc.'} In [1]: a='' #a的值是null，not a = True In [2]: not a Out[2]: True In [3]: a=' '#a的值是空格或者\t, a!=null, not a = False In [4]: not a Out[4]: False In [5]: a='\t' In [6]: a Out[6]: '\t' In [7]: not a Out[7]: False In [8]: a='\t' In [9]: a Out[9]: '\t' In [10]: a.strip() Out[10]: '' In [11]: not a.strip() Out[11]: True In [12]: a=' ' In [13]: not a Out[13]: False In [14]: a.strip() Out[14]: '' In [15]: not a.strip() Out[15]: True免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
