fix esmm

models/multitask/esmm/esmm_infer_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
-
-from collections import defaultdict
-
-from paddlerec.core.reader import Reader
-
-
-class EvaluateReader(Reader):
-    def init(self):
-        all_field_id = [
-            '101', '109_14', '110_14', '127_14', '150_14', '121', '122', '124',
-            '125', '126', '127', '128', '129', '205', '206', '207', '210',
-            '216', '508', '509', '702', '853', '301'
-        ]
-        self.all_field_id_dict = defaultdict(int)
-        for i, field_id in enumerate(all_field_id):
-            self.all_field_id_dict[field_id] = [False, i]
-
-    def generate_sample(self, line):
-        """
-        Read the data line by line and process it as a dictionary
-        """
-
-        def reader():
-            """
-            This function needs to be implemented by the user, based on data format
-            """
-            features = line.strip().split(',')
-            ctr = int(features[1])
-            cvr = int(features[2])
-
-            padding = 0
-            output = [(field_id, []) for field_id in self.all_field_id_dict]
-
-            for elem in features[4:]:
-                field_id, feat_id = elem.strip().split(':')
-                if field_id not in self.all_field_id_dict:
-                    continue
-                self.all_field_id_dict[field_id][0] = True
-                index = self.all_field_id_dict[field_id][1]
-                output[index][1].append(int(feat_id))
-
-            for field_id in self.all_field_id_dict:
-                visited, index = self.all_field_id_dict[field_id]
-                if visited:
-                    self.all_field_id_dict[field_id][0] = False
-                else:
-                    output[index][1].append(padding)
-            output.append(('ctr', [ctr]))
-            output.append(('cvr', [cvr]))
-            yield output
-
-        return reader