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6ea6dfc489
Explicit inheritance from Protocol enables static type checking at definition time and makes the interface self-documenting. BUG=part of #3256
59 lines
2 KiB
Python
59 lines
2 KiB
Python
# Copyright 2026 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Pruning compression plugin (stub).
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This module provides a placeholder for pruning (sparsity) compression.
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The actual implementation is not yet available.
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Supported tensor types (when implemented): All TFLM tensor types
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"""
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from tflite_micro.tensorflow.lite.micro.compression import compressor
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from tflite_micro.tensorflow.lite.micro.compression import decode
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from tflite_micro.tensorflow.lite.micro.compression import model_editor
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from tflite_micro.tensorflow.lite.micro.compression import spec
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class PruningCompressor(compressor.Compressor):
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"""Pruning compression plugin (stub).
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This stub exists to validate the plugin architecture. The actual pruning
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compression algorithm for sparse tensors is not yet implemented.
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"""
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@property
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def decode_type(self) -> decode.DecodeType:
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"""Returns DecodeType.PRUNING."""
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return decode.DecodeType.PRUNING
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def compress(
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self,
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tensor: model_editor.Tensor,
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method: spec.CompressionMethod,
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) -> compressor.CompressionResult:
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"""Compress a tensor using pruning (sparsity) encoding.
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Args:
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tensor: The tensor to compress.
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method: Must be a PruningCompression instance.
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Returns:
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CompressionResult (not implemented).
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Raises:
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CompressionError: Always, since this is a stub.
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"""
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raise compressor.CompressionError(
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"Pruning compression not yet implemented. "
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"This stub exists to validate the plugin architecture.")
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