436         else:

   436         else:

   437             self._lenbuf += len(data)

   437             self._lenbuf += len(data)

   438             self._buffer.append(data)

   438             self._buffer.append(data)

   439 

   439 

   440         return data

   440         return data

   441 

   445 

   442 

   446 

   443 def mmapread(fp, size=None, pre_populate=True):

   447 def mmapread(fp, size=None, pre_populate=True):

   444     """Read a file content using mmap

   448     """Read a file content using mmap

   445 

   449