def __update_next_id(self):
"""Update the bookkeeping structure at the head of the file
with the new next available object ID
Parameters
----------
None
Returns
-------
None"""
self.db_map.seek(0)
bin_str = structs.pack_bookkeeper(self.__next_id)
self.db_map.write(bin_str)
def __setup_new_file(self):
"""Private method that writes the object files bookkeeper structure
at the beginning of the file.
Parameters
----------
None
Returns
-------
None
"""
self.db_map.seek(0)
bin_str = structs.pack_bookkeeper(0)
self.db_map.write(bin_str)