404             self._segmentfile.filename = new_index_file

   404             self._segmentfile.filename = new_index_file

   405 

   405 

   406     def __len__(self):

   406     def __len__(self):

   407         return len(self.index)

   407         return len(self.index)

   408 

   408 

   409     # Derived from index values.

   414     # Derived from index values.

   410 

   415 

   411     def start(self, rev):

   416     def start(self, rev):

   412         """the offset of the data chunk for this revision"""

   417         """the offset of the data chunk for this revision"""

   413         return int(self.index[rev][0] >> 16)

   418         return int(self.index[rev][0] >> 16)

  1805             else:

  1810             else:

  1806                 nodemaputil.setup_persistent_nodemap(transaction, self)

  1811                 nodemaputil.setup_persistent_nodemap(transaction, self)

  1807 

  1812 

  1808     def clearcaches(self):

  1813     def clearcaches(self):

  1809         """Clear in-memory caches"""

  1814         """Clear in-memory caches"""

  1811         self._chainbasecache.clear()

  1815         self._chainbasecache.clear()

  1814         self._pcache = {}

  1817         self._pcache = {}

  1815         self._nodemap_docket = None

  1818         self._nodemap_docket = None

  1816         self.index.clearcaches()

  1819         self.index.clearcaches()

  1817         # The python code is the one responsible for validating the docket, we

  1820         # The python code is the one responsible for validating the docket, we

  1818         # end up having to refresh it here.

  1821         # end up having to refresh it here.

  3500             self._docket.data_end = data_end

  3503             self._docket.data_end = data_end

  3501             self._docket.sidedata_end = sidedata_end

  3504             self._docket.sidedata_end = sidedata_end

  3502             self._docket.write(transaction, stripping=True)

  3505             self._docket.write(transaction, stripping=True)

  3503 

  3506 

  3504         # then reset internal state in memory to forget those revisions

  3507         # then reset internal state in memory to forget those revisions

  3506         self._chaininfocache = util.lrucachedict(500)

  3508         self._chaininfocache = util.lrucachedict(500)

  3509 

  3510 

  3510         del self.index[rev:-1]

  3511         del self.index[rev:-1]

  3511 

  3512 

  3512     def checksize(self):

  3513     def checksize(self):

  3513         """Check size of index and data files

  3514         """Check size of index and data files