127 lines
4.8 KiB
Python
127 lines
4.8 KiB
Python
import subprocess
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import locale
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import re
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import tkinter as tk
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from tkinter import scrolledtext, messagebox
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import logging
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class NetworkManager:
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"""获取本地网卡详细信息（含 DNS、DHCP）"""
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def __init__(self, result_box: scrolledtext.ScrolledText):
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self.result_box = result_box
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def get_network_info(self):
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# 自动获取系统编码（例如 'cp936' 中文Windows）
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system_encoding = locale.getpreferredencoding(False)
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# 调用 ipconfig /all
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result = subprocess.run(
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"ipconfig /all",
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shell=True,
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capture_output=True,
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text=True,
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encoding=system_encoding, # 自动根据系统语言选择
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errors="ignore" # 忽略解码错误
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)
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output = result.stdout
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if not output:
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raise RuntimeError("无法获取 ipconfig 输出，请检查系统命令执行权限。")
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# 按块拆分
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import re
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adapter_blocks = re.split(r"\r?\n(?=\S.*?:)", output)
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adapters = []
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for block in adapter_blocks:
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if not re.search(r"适配器", block):
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continue
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info = {}
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match = re.match(r"(.+?):", block)
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if match:
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info["name"] = match.group(1).strip()
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match = re.search(r"描述.*?:\s*(.+)", block)
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if match:
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info["description"] = match.group(1).strip()
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match = re.search(r"物理地址.*?:\s*(.+)", block)
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if match:
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info["mac"] = match.group(1).strip()
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match = re.search(r"DHCP 已启用.*?:\s*(.+)", block)
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if match:
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value = match.group(1).strip()
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info["dhcp_enabled"] = "是" if value == "是" else "否"
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match = re.search(r"IPv4 地址.*?:\s*([0-9.]+)", block)
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if match:
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info["ipv4"] = match.group(1)
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match = re.search(r"子网掩码.*?:\s*([0-9.]+)", block)
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if match:
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info["netmask"] = match.group(1)
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gateway = ""
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# 先找出 "默认网关" 所在行及后续可能的下一行
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gw_match = re.search(r"默认网关[.\s:]*([^\r\n]*)\r?\n(?:\s*([^\r\n]+))?", block)
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if gw_match:
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# 合并两行文本
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gw_text = " ".join(gw_match.groups(default=""))
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# 提取 IPv4 地址
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ipv4_match = re.search(r"\b\d{1,3}(?:\.\d{1,3}){3}\b", gw_text)
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if ipv4_match:
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gateway = ipv4_match.group(0)
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info["gateway"] = gateway
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# --- DNS 服务器提取（支持多行 + IPv4优先）---
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dns1 = dns2 = ""
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# 找出 “DNS 服务器” 开始的位置
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dns_match = re.search(r"DNS 服务器[.\s:]*([^\r\n]*)((?:\r?\n\s+[^\r\n]+)*)", block)
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if dns_match:
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# 合并所有行
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dns_text = dns_match.group(1) + dns_match.group(2)
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# 提取所有 IPv4 地址（优先），如果没有，再取 IPv6
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dns_ipv4 = re.findall(r"\b\d{1,3}(?:\.\d{1,3}){3}\b", dns_text)
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if dns_ipv4:
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dns1 = dns_ipv4[0]
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if len(dns_ipv4) > 1:
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dns2 = dns_ipv4[1]
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else:
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# 没有 IPv4，则尝试 IPv6
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dns_ipv6 = re.findall(r"[a-fA-F0-9:]+(?:%[0-9]+)?", dns_text)
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if dns_ipv6:
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dns1 = dns_ipv6[0]
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if len(dns_ipv6) > 1:
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dns2 = dns_ipv6[1]
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info["dns1"] = dns1
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info["dns2"] = dns2
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adapters.append(info)
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return adapters
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def set_network_info(self, settings):
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"""设置指定网卡的网络配置"""
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try:
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self.result_box.insert(tk.END, f"尝试将网卡配置修改为：\n")
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for key, value in settings.items():
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self.result_box.insert(tk.END, f" {key}: {value}\n")
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if settings['dhcp_enabled']:
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# 启用 DHCP 自动获取 IP 地址
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subprocess.run(
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f'netsh interface ip set address name="{settings['name']}" source=dhcp',
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shell=True, check=True
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)
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else:
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subprocess.run(
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f'netsh interface ip set address name="{settings['name']}" source=static addr={settings['ipv4']} mask={settings['netmask']} gateway={settings['gateway']}',
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shell=True, check=True)
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self.result_box.insert(tk.END, f"网络配置设置完成\n")
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except subprocess.CalledProcessError as e:
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self.result_box.insert(tk.END, f"设置{settings['name']}网络配置失败: {e}\n")
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self.result_box.see(tk.END) |