def open(self):
''' Creates the neccessary data structures and opens the
underlying database. To tune the underlying options for the
database read the following:
http://docs.basho.com/riak/1.0.0/tutorials/choosing-a-backend/LevelDB/
:throws DatabaseException: If an error has occurred
'''
options = self.get_open_options()
try:
error = new_native_string()
self.database = LDB.leveldb_open(options, self.filename, get_reference_to(error))
self.handle_error(error)
finally:
LDB.leveldb_options_destroy(options)
