code: def putmask(
      self, mask, new, align: bool = True, warn: bool = True
  ) -> Self:
      if align:
          align_keys = ["new", "mask"]
      else:
          align_keys = ["mask"]
          new = extract_array(new, extract_numpy=True)
  
      already_warned = None
      if warn_copy_on_write():
          already_warned = _AlreadyWarned()
          if not warn:
              already_warned.warned_already = True
  
      return self.apply_with_block(
          "putmask",
          align_keys=align_keys,
          mask=mask,
          new=new,
          using_cow=using_copy_on_write(),
          already_warned=already_warned,
      )
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Any, Literal, cast, final
  import numpy
  from pandas._config import using_copy_on_write, warn_copy_on_write
  from pandas._libs import algos, lib
  from pandas.errors import AbstractMethodError
  from pandas.util._validators import validate_bool_kwarg
  from pandas.core.dtypes.cast import find_common_type, np_can_hold_element
  from pandas.core.dtypes.dtypes import ExtensionDtype, SparseDtype
  from pandas.core.base import PandasObject
  from pandas.core.construction import extract_array
  from pandas.core.indexes.api import Index, default_index
label_desc: Use image node_id 15 for calling the DataManager obj's underlying member method code with example usage: obj.putmask(mask, new, align, warn) and returns: self