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+# Copyright 2021 Google LLC
+#
+# 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.
+"""Ops for creating TaskEligibilityInfo results."""
+
+import tensorflow as tf
+
+# Ops implemented in C++
+from fcp.tensorflow import gen_task_eligibility_info_ops
+
+_task_eligibility_info_ops_so = tf.load_op_library(
+ tf.compat.v1.resource_loader.get_path_to_datafile(
+ "./_task_eligibility_info_ops.so"))
+
+
+def create_task_eligibility_info(version, task_names, task_weights):
+ """Outputs a serialized `TaskEligibilityInfo` proto based on the given inputs.
+
+ This op is used to generate `TaskEligibilityInfo` protos from a model at
+ runtime, since TF Mobile does not support the standard TensorFlow ops for
+ encoding/decoding protos.
+
+ See the `TaskEligibilityInfo` and `TaskWeight` proto message documentation for
+ more information.
+
+ Args:
+ version: an int64 value to place in the `TaskEligibilityInfo.version` field.
+ task_names: a rank-1 string tensor containing the task names to assign
+ weights to. Each entry in this tensor will be combined with the
+ corresponding entry into the `task_weights` tensor at the same index, to
+ form a `TaskWeight` message.
+ task_weights: a rank-1 float tensor containing the task weight for each task
+ (see `task_names`). Note: this tensor must have the same number of
+ elements as `task_names`.
+
+ Returns:
+ a string tensor containing the serialized proto.
+ """
+ # Convert the inputs to tensors, as a convenience to callers. This ensures
+ # that they can easily pass regular Python or numpy types in addition to
+ # actual tensors.
+ version = tf.convert_to_tensor(version, dtype=tf.int64, name="version")
+ task_names = tf.convert_to_tensor(
+ task_names, dtype=tf.string, name="task_names")
+ task_weights = tf.convert_to_tensor(
+ task_weights, dtype=tf.float32, name="task_weights")
+ return gen_task_eligibility_info_ops.create_task_eligibility_info(
+ version=version, task_names=task_names, task_weights=task_weights)