Python复制文件操作实例详解

import os 
import os.path 
import shutil 
import time, datetime

def copyFiles(sourceDir, targetDir): 
   if sourceDir.find(".svn") > 0: 
     return 
   for file in os.listdir(sourceDir): 
     sourceFile = os.path.join(sourceDir, file) 
     targetFile = os.path.join(targetDir, file) 
     if os.path.isfile(sourceFile): 
       if not os.path.exists(targetDir): 
         os.makedirs(targetDir) 
       if not os.path.exists(targetFile) or(os.path.exists(targetFile) and (os.path.getsize(targetFile) != os.path.getsize(sourceFile))): 
           open(targetFile, "wb").write(open(sourceFile, "rb").read()) 
     if os.path.isdir(sourceFile): 
       First_Directory = False 
       copyFiles(sourceFile, targetFile)

def removeFileInFirstDir(targetDir): 
   for file in os.listdir(targetDir): 
     targetFile = os.path.join(targetDir, file) 
     if os.path.isfile(targetFile): 
       os.remove(targetFile)

def coverFiles(sourceDir, targetDir): 
     for file in os.listdir(sourceDir): 
       sourceFile = os.path.join(sourceDir, file) 
       targetFile = os.path.join(targetDir, file) 
       #cover the files 
       if os.path.isfile(sourceFile): 
         open(targetFile, "wb").write(open(sourceFile, "rb").read())

def moveFileto(sourceDir, targetDir): 
  shutil.copy(sourceDir, targetDir)

def writeVersionInfo(targetDir): 
  open(targetDir, "wb").write("Revison:")

def getCurTime(): 
   nowTime = time.localtime() 
   year = str(nowTime.tm_year) 
   month = str(nowTime.tm_mon) 
   if len(month) < 2: 
     month = '0' + month 
   day = str(nowTime.tm_yday) 
   if len(day) < 2: 
     day = '0' + day 
   return (year + '-' + month + '-' + day)

if __name__ =="__main__": 
   print "Start(S) or Quilt(Q) \n" 
   flag = True 
   while (flag): 
     answer = raw_input() 
     if 'Q' == answer: 
       flag = False 
     elif 'S'== answer : 
       formatTime = getCurTime() 
       targetFoldername = "Build " + formatTime + "-01" 
       Target_File_Path += targetFoldername
       copyFiles(Debug_File_Path,  Target_File_Path) 
       removeFileInFirstDir(Target_File_Path) 
       coverFiles(Release_File_Path, Target_File_Path) 
       moveFileto(Firebird_File_Path, Target_File_Path) 
       moveFileto(AssistantGui_File_Path, Target_File_Path) 
       writeVersionInfo(Target_File_Path+"\\ReadMe.txt") 
       print "all sucess" 
     else: 
       print "not the correct command"