criteo_reader.py

#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# 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 __future__ import print_function
import numpy as np
import paddle
from paddle.io import Dataset


class RecDataset(Dataset):
    def __init__(self, file_list, config):
        super(RecDataset, self).__init__()
        for file in file_list:
            if file.endswith('x.txt'):
                self.x = np.loadtxt(file, dtype=np.int64)
            elif file.endswith('y.txt'):
                self.y = np.loadtxt(file, dtype=np.int64)

    def __getitem__(self, item):
        return self.x[item], self.y[item]

    def __len__(self):
        return len(self.x)