code: def commit(self):
          "Commit data to the storage."
          if self._meta.path:
              with open(self._meta.path, 'wb') as fd:
                  raw = deepcopy(self.raw)
                  # LAZY INDEX PROCESSING
                  # Save indexes only if not lazy
                  lazy_indexes = self.lazy_indexes  # Keep this list safe
                  if not self._meta.lazy_indexes:
                      # Remove indexes if needed
                      for idx_name in lazy_indexes:
                          del raw['indexes'][idx_name]
                      for index_name, values in raw['indexes'].items():
                          for value, keys in values.items():
                              raw['indexes'][index_name][value] = list(keys)
                  # don't store indexes if not needed
                  if not raw['indexes'] or self._meta.lazy_indexes:
                      del raw['indexes']
                  try:
                      fd.write(six.u(self.serialize(raw)))
                  except TypeError:
                      fd.write(six.b(self.serialize(raw))f commit(self):
          "Commit data to the storage."
          if self._meta.path:
              with open(self._meta.path, 'wb') as fd:
                  raw = deepcopy(self.raw)
                  # LAZY INDEX PROCESSING
                  # Save indexes only if not lazy
                  lazy_indexes = self.lazy_indexes  # Keep this list safe
                  if not self._meta.lazy_indexes:
                      # Remove indexes if needed
                      for idx_name in lazy_indexes:
                          del raw['indexes'][idx_name]
                      for index_name, values in raw['indexes'].items():
                          for value, keys in values.items():
                              raw['indexes'][index_name][value] = list(keys)
                  # don't store indexes if not needed
                  if not raw['indexes'] or self._meta.lazy_indexes:
                      del raw['indexes']
                  try:
                      fd.write(six.u(self.serialize(raw)))
                  except TypeError:
                      fd.write(six.b(self.serialize(raw)))
docs: Commit data to the storage.