760             ofp.write(chunk)

   760             ofp.write(chunk)

   761         ifp.close()

   761         ifp.close()

   762         ofp.close()

   762         ofp.close()

   763     except:

   763     except:

   764         try: os.unlink(temp)

   764         try: os.unlink(temp)

   766         raise

   766         raise

   767     return temp

   767     return temp

   768 

   768 

   769 class atomictempfile(object):

   769 class atomictempfile(object):

   770     '''writeable file object that atomically updates a file

   770     '''writeable file object that atomically updates a file