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| 1 | +# Copyright 2021 Alibaba Group Holding Limited. All Rights Reserved. |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | +# ============================================================================= |
| 15 | +from __future__ import absolute_import |
| 16 | +from __future__ import division |
| 17 | +from __future__ import print_function |
| 18 | + |
| 19 | +import argparse |
| 20 | +import datetime |
| 21 | +import json |
| 22 | +import os |
| 23 | +import sys |
| 24 | + |
| 25 | +import numpy as np |
| 26 | +try: |
| 27 | + # https://www.tensorflow.org/guide/migrate |
| 28 | + import tensorflow.compat.v1 as tf |
| 29 | + tf.disable_v2_behavior() |
| 30 | +except ImportError: |
| 31 | + import tensorflow as tf |
| 32 | + |
| 33 | +import graphlearn as gl |
| 34 | +import graphlearn.python.nn.tf as tfg |
| 35 | +from graphlearn.python.utils import parse_nbrs_num |
| 36 | + |
| 37 | +class EgoData: |
| 38 | + def __init__(self, graph, model, nbrs_num=None, sampler='random', |
| 39 | + train_batch_size=128, test_batch_size=128, val_batch_size=128): |
| 40 | + self.graph = graph |
| 41 | + self.model = model |
| 42 | + self.nbrs_num = parse_nbrs_num(nbrs_num) |
| 43 | + self.train_batch_size = train_batch_size |
| 44 | + self.test_batch_size = test_batch_size |
| 45 | + self.val_batch_size = val_batch_size |
| 46 | + self.sampler = sampler |
| 47 | + |
| 48 | + # train |
| 49 | + tfg.conf.training = True |
| 50 | + self.query_train = self.query(self.graph, gl.Mask.TRAIN) |
| 51 | + self.dataset_train = tfg.Dataset(self.query_train, window=10) |
| 52 | + self.train_iterator = self.dataset_train.iterator |
| 53 | + self.train_dict = self.dataset_train.get_data_dict() |
| 54 | + self.train_embedding = self.model.forward( |
| 55 | + self.reformat_node_feature( |
| 56 | + self.train_dict, |
| 57 | + self.query_train.list_alias(), |
| 58 | + tfg.FeatureHandler('feature_handler', self.query_train.get_node("train").decoder.feature_spec), |
| 59 | + ), |
| 60 | + self.nbrs_num |
| 61 | + ) |
| 62 | + |
| 63 | + # test |
| 64 | + tfg.conf.training = False |
| 65 | + self.query_test = self.query(self.graph, gl.Mask.TEST) |
| 66 | + self.dataset_test = tfg.Dataset(self.query_test, window=10) |
| 67 | + self.test_iterator = self.dataset_test.iterator |
| 68 | + self.test_dict = self.dataset_test.get_data_dict() |
| 69 | + self.test_embedding = self.model.forward( |
| 70 | + self.reformat_node_feature( |
| 71 | + self.test_dict, |
| 72 | + self.query_test.list_alias(), |
| 73 | + tfg.FeatureHandler('feature_handler', self.query_test.get_node("test").decoder.feature_spec), |
| 74 | + ), |
| 75 | + self.nbrs_num |
| 76 | + ) |
| 77 | + |
| 78 | + # val |
| 79 | + tfg.conf.training = False |
| 80 | + self.query_val = self.query(self.graph, gl.Mask.VAL) |
| 81 | + self.dataset_val = tfg.Dataset(self.query_val, window=10) |
| 82 | + self.val_iterator = self.dataset_val.iterator |
| 83 | + self.val_dict = self.dataset_val.get_data_dict() |
| 84 | + self.val_embedding = self.model.forward( |
| 85 | + self.reformat_node_feature( |
| 86 | + self.val_dict, |
| 87 | + self.query_val.list_alias(), |
| 88 | + tfg.FeatureHandler('feature_handler', self.query_val.get_node("val").decoder.feature_spec), |
| 89 | + ), |
| 90 | + self.nbrs_num |
| 91 | + ) |
| 92 | + |
| 93 | + def query(self, graph, mask=gl.Mask.TRAIN): |
| 94 | + """ |
| 95 | + """ |
| 96 | + |
| 97 | + def reformat_node_feature(self, data_dict, alias_list, feature_handler): |
| 98 | + """ |
| 99 | + """ |
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