class_docstr: The general implementation of InternalWindowProcessFunction. The WindowAssigner should be a
  regular assigner without implement PanedWindowAssigner or MergingWindowAssigner.
class_docstr_tok: ["The","general","implementation","of","InternalWindowProcessFunction",".","The","WindowAssigner","should","be","a","regular","assigner","without","implement","PanedWindowAssigner","or","MergingWindowAssigner","."]
code: def assign_state_namespace(
      self, input_row: List, timestamp: int
  ) -> List[W]:
      element_windows = self._window_assigner.assign_windows(
          input_row, timestamp
      )
      self._reuse_affected_windows = []
      for window in element_windows:
          if not self.is_window_late(window):
              self._reuse_affected_windows.append(window)
      return self._reuse_affected_windows
  
imports: from abc import abstractmethod, ABC
  from typing import Generic, List, Iterable, Dict, Set
  from pyflink.common import Row
  from pyflink.common.constants import MAX_LONG_VALUE
  from pyflink.datastream.state import MapState
  from pyflink.fn_execution.table.window_assigner import WindowAssigner, PanedWindowAssigner, MergingWindowAssigner
  from pyflink.fn_execution.table.window_context import Context, K, W
label_desc: Use image node_id 2 for calling the GeneralWindowProcessFunction obj's underlying member method code with example usage: obj.assign_state_namespace(input_row, timestamp) and returns: self