Everything:速度最快的文件名搜索工具(Linux版本) 转  

 1 #/usr/bin/python
 2 #-*-<coding=UTF-8>-*-
 3 
 4 """
 5 本例为windows下everything程序的linux版本.后端基于locate实现.
 6 """
 7 
 8 import wx
 9 import os
10 import subprocess
11 
12 class GuiMainFrame(wx.Frame):
13     
14     def __init__(self):
15         wx.Frame.__init__(self,parent=None,id=-1,title="",pos=wx.DefaultPosition,size=wx.DefaultSize)
16         
17         #添加面板.
18         panel = wx.Panel(self)
19         
20         #创建菜单栏
21         menubar = wx.MenuBar()
22         
23         #File menu
24         fileMenu = wx.Menu()
25         fileMenu.Append(-1,"&Open","")
26         menubar.Append(fileMenu,"&File")
27 
28         #Edit menu
29         editMenu = wx.Menu()
30         editMenu.Append(-1,"&Copy","")
31         menubar.Append(editMenu,"&Edit")
32 
33         #Help/About menu
34         helpMenu = wx.Menu()
35         helpMenu.Append(-1,"About","")
36         menubar.Append(helpMenu,"&Help")
37         
38         #调用SetMenuBar，使其在框架中显示出来
39         self.SetMenuBar(menubar)
40         
41         #在面板中添加查找输入框
42         #filterInput = wx.TextCtrl(panel,-1,"")
43         self.filter = wx.SearchCtrl(panel,style=wx.TE_PROCESS_ENTER)
44         self.filter.Bind(wx.EVT_TEXT_ENTER,self.DoSearch)
45         #self.filter.Bind(wx.EVT_TEXT,self.DoSearch)　　#这个会导致程序长时间无响应,所以还在找更有效率的方法.
46         
47         #在面板中添加类型选择框
48         typeList=["all:*.*","document:*.doc,*.xls,*.ppt","audio:*.mp3","vedio:*.rmvb,*.mkv","application:*.exe"]
49         fileType = wx.ComboBox(panel,-1,"",choices=typeList)
50 
51         #在面板中添加输出结果显示框
52         self.multiText = wx.TextCtrl(panel,-1,"",style=wx.TE_MULTILINE|wx.TE_PROCESS_ENTER)
53         self.multiText.SetMinSize((800,600))
54 
55         #添加状态栏,是否要加入到sizer中管理.
56         statusbar = self.CreateStatusBar()
57     
58         #管理布局.创建两个sizer,主sizer管理filterSizer,结果显示框两个控件
59         #filterSizer管理查找输入框和类型选择框
60         mainSizer = wx.BoxSizer(wx.VERTICAL)
61         
62         filterSizer = wx.GridSizer(rows=1,cols=2)
63         filterSizer.Add(self.filter,0,wx.EXPAND)
64         filterSizer.Add(fileType,0,wx.EXPAND)
65 
66         #这句话导致文本框显示有空隙. 为什么不能这样用? menubar是否不需要添加进mainSizer
67         #mainSizer.Add(menubar)
68         mainSizer.Add(filterSizer,0,wx.EXPAND)
69         mainSizer.Add(self.multiText,2,wx.EXPAND|wx.ALL)
70         #frame中创建的statusbar,不需要添加到sizer中进行管理.
71         #mainSizer.Add(statusbar,0,wx.EXPAND)
72         
73         #这个是关键之处，将sizer与frame关联起来.
74         panel.SetSizer(mainSizer)
75         mainSizer.Fit(self)
76 
77     def DoSearch(self,event):
78         pattern = self.filter.GetValue()
79         print pattern
80         cmd = "/usr/bin/locate"
81         arg1 = "-i"
82         arg2 = "-d"
83         arg3 = "/var/lib/mlocate/mlocate.db"
84         arg4 = pattern
85 
86         p1=subprocess.Popen([cmd,arg1,arg2,arg3,arg4],shell=False,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
87         (stdoutdata,stderrdata) = p1.communicate()
88         #stdoutdata = "Just test"
89         self.multiText.SetValue(stdoutdata)
90 
91 if __name__ == "__main__":
92     app = wx.PySimpleApp()
93     frame = GuiMainFrame()
94     frame.Show()
95     app.MainLoop()