453                 self._delaybuf = []

   453                 self._delaybuf = []

   454                 self.opener = _delayopener(

   454                 self.opener = _delayopener(

   455                     self._realopener, self._indexfile, self._delaybuf

   455                     self._realopener, self._indexfile, self._delaybuf

   456                 )

   456                 )

   457             self._segmentfile.opener = self.opener

   457             self._segmentfile.opener = self.opener

   458         self._delayed = True

   459         self._delayed = True

   459         tr.addpending(b'cl-%i' % id(self), self._writepending)

   460         tr.addpending(b'cl-%i' % id(self), self._writepending)

   460         tr.addfinalize(b'cl-%i' % id(self), self._finalize)

   461         tr.addfinalize(b'cl-%i' % id(self), self._finalize)

   461 

   462 

   462     def _finalize(self, tr):

   463     def _finalize(self, tr):

   463         """finalize index updates"""

   464         """finalize index updates"""

   464         self._delayed = False

   465         self._delayed = False

   465         self.opener = self._realopener

   466         self.opener = self._realopener

   466         self._segmentfile.opener = self.opener

   467         self._segmentfile.opener = self.opener

   467         # move redirected index data back into place

   469         # move redirected index data back into place

   468         if self._docket is not None:

   470         if self._docket is not None:

   469             self._write_docket(tr)

   471             self._write_docket(tr)

   470         elif self._divert:

   472         elif self._divert:

   471             assert not self._delaybuf

   473             assert not self._delaybuf

   502             # switch modes so finalize can simply rename

   504             # switch modes so finalize can simply rename

   503             self._delaybuf = None

   505             self._delaybuf = None

   504             self._divert = True

   506             self._divert = True

   505             self.opener = _divertopener(self._realopener, self._indexfile)

   507             self.opener = _divertopener(self._realopener, self._indexfile)

   506             self._segmentfile.opener = self.opener

   508             self._segmentfile.opener = self.opener

   507 

   510 

   508         if self._divert:

   511         if self._divert:

   509             return True

   512             return True

   510 

   513 

   511         return False

   514         return False