wxPython hosts文件编辑器

Love The Way You Lie 2023-01-01 10:58 74阅读 0赞

import wx
    
    class MyFrame(wx.Frame):
        def __init__(self,hostsPath):
            wx.Frame.__init__(self,None,-1,title='host文件修改GUI',size=(540,600))
            self.panel = wx.Panel(self)
            self.hostsPath = hostsPath
            self.loadHostContent()
            self.initPanel()
            self.highlightText()
    
        def loadHostContent(self):
            '''读取hosts文件，并加载'''
            with open(self.hostsPath, 'r') as f:
                self.content = f.read()
    
        def initPanel(self):
            '''初始化UI'''
            refreshBtn = wx.Button(self.panel, -1, '刷新', (100, 10), (100, 30))
            refreshBtn.Bind(wx.EVT_BUTTON, self.refreshEvent)
            saveBtn = wx.Button(self.panel,-1,'保存',(300,10),(100,30))
            saveBtn.Bind(wx.EVT_BUTTON,self.saveEvent)
            self.textArea = wx.TextCtrl(self.panel, pos=(10, 50), size=(500, 500),style=wx.TE_MULTILINE|wx.TE_RICH2)
            self.textArea.SetValue(self.content)
    
        def highlightText(self):
            '''高亮显示文字'''
            count = 0
            for i in self.content.split('\n'):
                length = len(i) + 1
                if i.startswith('#'):
                    # #开头的是注释部分
                    self.textArea.SetStyle(count, count + length, wx.TextAttr("grey", "white"))
                else:
                    self.textArea.SetStyle(count, count + length, wx.TextAttr("blue", "white"))
                count += length
    
    
        def saveEvent(self,e):
            '''保存文件内容'''
            content = self.textArea.GetValue()
            try:
                with open(self.hostsPath,'w') as f:
                    f.write(content)
                wx.MessageBox('保存成功')
            except PermissionError as e:
                # 有可能会出现权限不足的错误
                wx.MessageBox(e.strerror)
    
        def refreshEvent(self,e):
            '''刷新功能，防止外部修改导致内容不同步'''
            self.loadHostContent()
            self.textArea.SetValue(self.content)
            self.highlightText()
    
    if __name__ == '__main__':
        app = wx.App()
        # hosts文件路径
        hostsPath = 'C:\Windows\System32\drivers\etc\hosts'
        frame = MyFrame(hostsPath)
        frame.Show()
        app.MainLoop()

效果图  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70]  
如果遇到Permission Denied  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70 1]

可以用Pyinstaller打个包，然后用管理员身份运行  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70]: /images/20221120/de8e36536ba94e2593d569cc655e8a79.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70 1]: /images/20221120/3b97b3bc1fd14fb4b0123be051561b4b.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzA2OTg3NQ_size_16_color_FFFFFF_t_70 2]: /images/20221120/d57972acaa9845b38834dd8a86b9127d.png