md5计算

记个md5运算的，直接把文件拖到框里。关键就是那个 wx.FileDropTarget（见上1篇那个转载）。
里面有n多乱七八糟的东西，懒的删了，精简化，只有几行。

=====================================================
import wx
import sys,os
import md5

def getmd5(md5file):
    return md5.new(open(md5file,'rb').read()).hexdigest()

class filedrop(wx.FileDropTarget):
    def __init__(self,window):
        wx.FileDropTarget.__init__(self)
        self.window = window
   
    def OnDropFiles(self,x,y,filenames):
        for f in filenames:
            self.window.AppendText('\n%s\t%s\n' %(f,getmd5(f)))

class md5frame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self,None,-1,'MD5 CHECK')
        #print dir(self)
        p = wx.Panel(self)
        #print dir(p)
        menubar = wx.MenuBar()
        menu_file = wx.Menu()
        menubar.Append(menu_file,'File')
        menu_fileopen = menu_file.Append(-1,'Open')
        menu_exit = wx.Menu()
        menubar.Append(menu_exit,'Exit')
        menu_exitexit = menu_exit.Append(-1,'Exit')
        self.SetMenuBar(menubar)
        self.Bind(wx.EVT_MENU,self.openfile,menu_fileopen)
        self.Bind(wx.EVT_MENU,self.Onexit,menu_exitexit)
        self.txtpanel = wx.TextCtrl(p,1,style=wx.TE_MULTILINE,size=p.Size)
        self.dragfiles = filedrop(self.txtpanel)
        self.txtpanel.SetDropTarget(self.dragfiles)       
        self.filesign = 1

    
    def openfile(self,evt):
        dialog = wx.FileDialog(None,'choose a file',os.getcwd(),'','',wx.OPEN)
        #print dir(dialog)
        if dialog.ShowModal() == wx.ID_OK:
            md5file = dialog.GetPath()
        dialog.Destroy()
        if self.filesign == 1:
            self.md5file_1 = md5file
            self.md5_file1 = getmd5(md5file)
            self.txtpanel.AppendText('\n%s\t%s\n' %(self.md5file_1,self.md5_file1)) 
            self.filesign = 2
        elif self.filesign == 2:
            self.md5file_2 = md5file
            self.md5_file2 = getmd5(md5file)
            self.txtpanel.AppendText('\n%s\t%s\n' %(self.md5file_2,self.md5_file2))
            self.filesign = 1
        if self.md5_file1 and self.md5_file2:
            if self.md5_file1 == self.md5_file2:  self.txtpanel.AppendText('%s md5 match %s md5' %(self.md5file_1,self.md5file_2))
            else:  self.txtpanel.AppendText('%s md5 doesnot match %s md5' %(self.md5file_1,self.md5file_2))
           
    def Onexit(self,evt):
        self.Close()
   
    def getmd5(self,md5file):
        return md5.new(open(md5file,'rb').read()).hexdigest()
           
   
if __name__ == '__main__':
    app = wx.PySimpleApp()
    frame = md5frame()

    frame.Show()
    app.MainLoop()
=====================================================