Python获取本机所有网卡ip,掩码和广播地址
发布时间:2017-09-09 11:07:21
Python获取本机所有网卡ip,掩码和广播地址 搜了一天,竟然没找到一段合适的代码来获取机器中所有网卡的ip,站群软件,掩码和广播地址,大部分都是用socket,但是socket通常返回的要不就是内网地址,要不就是公网地址,不能够找到所有地址,真的太忧桑了,决定自己通过ifconfig或ipconfig的返回信息,一步步地过滤了。这次的代码主要用到了正则表达式和subprocess模块,而且为了兼容所有平台(win,linux和mac),也用到了platform来判断系统类型,不说太多,代码如下: import subprocess import re import platform def find_all_ip(platform): ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}' if platform == "Darwin" or platform == "Linux": ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE) output = ipconfig_process.stdout.read() ip_pattern = re.compile('(inet %s)' % ipstr) if platform == "Linux": ip_pattern = re.compile('(inet addr:%s)' % ipstr) pattern = re.compile(ipstr) iplist = [] for ipaddr in re.finditer(ip_pattern, str(output)): ip = pattern.search(ipaddr.group()) if ip.group() != "127.0.0.1": iplist.append(ip.group()) return iplist elif platform == "Windows": ipconfig_process = subprocess.Popen("ipconfig", stdout=subprocess.PIPE) output = ipconfig_process.stdout.read() ip_pattern = re.compile("IPv4 Address(\. )*: %s" % ipstr) pattern = re.compile(ipstr) iplist = [] for ipaddr in re.finditer(ip_pattern, str(output)): ip = pattern.search(ipaddr.group()) if ip.group() != "127.0.0.1": iplist.append(ip.group()) return iplist def find_all_mask(platform): ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}' maskstr = '0x([0-9a-f]{8})' if platform == "Darwin" or platform == "Linux": ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE) output = ipconfig_process.stdout.read() mask_pattern = re.compile('(netmask %s)' % maskstr) pattern = re.compile(maskstr) if platform == "Linux": mask_pattern = re.compile(r'Mask:%s' % ipstr) pattern = re.compile(ipstr) masklist = [] for maskaddr in mask_pattern.finditer(str(output)): mask = pattern.search(maskaddr.group()) if mask.group() != '0xff000000' and mask.group() != '255.0.0.0': masklist.append(mask.group()) return masklist elif platform == "Windows": ipconfig_process = subprocess.Popen("ipconfig", stdout=subprocess.PIPE) output = ipconfig_process.stdout.read() mask_pattern = re.compile(r"Subnet Mask (\. )*: %s" % ipstr) pattern = re.compile(ipstr) masklist = [] for maskaddr in mask_pattern.finditer(str(output)): mask = pattern.search(maskaddr.group()) if mask.group() != '255.0.0.0': masklist.append(mask.group()) return masklist def get_broad_addr(ipstr, maskstr): iptokens = map(int, ipstr.split(".")) masktokens = map(int, maskstr.split(".")) broadlist = [] for i in range(len(iptokens)): ip = iptokens[i] mask = masktokens[i] broad = ip & mask | (~mask & 255) broadlist.append(broad) return '.'.join(map(str, broadlist)) def find_all_broad(platform): ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}' if platform == "Darwin" or platform == "Linux": ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE) output = (ipconfig_process.stdout.read()) broad_pattern = re.compile('(broadcast %s)' % ipstr) if platform == "Linux": broad_pattern = re.compile(r'Bcast:%s' % ipstr) pattern = re.compile(ipstr) broadlist = [] for broadaddr in broad_pattern.finditer(str(output)): broad = pattern.search(broadaddr.group()) broadlist.append(broad.group()) return broadlist elif platform == "Windows": iplist = find_all_ip(platform) masklist = find_all_mask(platform) broadlist = [] for i in range(len(iplist)): broadlist.append(get_broad_addr(iplist[i], masklist[i])) return broadlist system = platform.system() print(find_all_ip(system)) print(find_all_mask(system)) print(find_all_broad(system))

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