python diff

import sys,osimport filecmpdef testdiff(leftdir,rightdir):    rf = filecmp.dircmp(leftdir,rightdir)    _cmpdir(rf)delete_files = []copy_files = []def _cmpdir(r):    global delete_files,copy_files    delete_files += [os.path.join(r.left,l) for l in r.left_only  if not l.startswith('.') ]    copy_files += [os.path.join(r.left,l)+' '+os.path.join(r.right,l )for l in r.right_only if not l.startswith('.')]    copy_files += [os.path.join(r.left,l)+' '+os.path.join(r.right,l) for l in r.diff_files if not l.startswith('.')]    for sd in r.subdirs:        if sd.find(".svn")==-1 :            testdiff(os.path.join(r.left,sd),os.path.join(r.right,sd))            print os.path.join(r.left,sd)            print os.path.join(r.right,sd)        else:            pass    return delete_files,copy_filesdef printcopyfile(copyfile):    global delete_files,copy_files    for log in copy_files:        output(log,"copylist")def output(log,type):    txtlog = log    recordfile = os.path.join(sys.path[0]+'/'+type)    try:        fp = open(recordfile , "a+")print >>fp , txtlogfp.close()    except:        pass def main():    if len(sys.argv)>=3:        testdiff(sys.argv[1],sys.argv[2])    else:        print "argv error"    printcopyfile(copy_files)    print delete_files    print copy_files if __name__ == "__main__":    main()

介绍请看http://blog.csdn.net/csapr1987/article/details/7637933

生成copylist文件，