text: # Copyright 1999-2020 Alibaba Group Holding Ltd.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from ... import opcodes as OperandDef
  from ...config import options
  from .core import DataFrameCumReductionOperand, DataFrameCumReductionMixin
  
  
  class DataFrameCummax(DataFrameCumReductionOperand, DataFrameCumReductionMixin):
      _op_type_ = OperandDef.CUMMAX
      _func_name = 'cummax'
  
  
  def cummax(df, axis=None, skipna=True):
      use_inf_as_na = options.dataframe.mode.use_inf_as_na
      op = DataFrameCummax(axis=axis, skipna=skipna, object_type=df.op.object_type,
                           use_inf_as_na=use_inf_as_na)
      return op(df)
  