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Source code for transformers.models.pegasus.modeling_tf_pegasus
# coding=utf-8
# Copyright 2020 The Facebook AI Research Team Authors and The HuggingFace Inc. team.
#
# 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.
"""TF Pegasus model, ported from the fairseq repo."""
from ...file_utils import add_start_docstrings
from ...utils import logging
from ..bart.modeling_tf_bart import BART_START_DOCSTRING, TFBartForConditionalGeneration
from .configuration_pegasus import PegasusConfig
_CONFIG_FOR_DOC = "PegasusConfig"
START_DOCSTRING = BART_START_DOCSTRING.replace(
"inherits from :class:`~transformers.TFPreTrainedModel`",
"inherits from :class:`~transformers.TFBartForConditionalGeneration`",
).replace("BartConfig", _CONFIG_FOR_DOC)
logger = logging.get_logger(__name__)
[docs]@add_start_docstrings("Pegasus model for summarization", START_DOCSTRING)
class TFPegasusForConditionalGeneration(TFBartForConditionalGeneration):
_keys_to_ignore_on_load_missing = [
r"final_logits_bias",
r"model.encoder.embed_positions.weight",
r"model.decoder.embed_positions.weight",
]
config_class = PegasusConfig
# All the code is in src/transformers/models/bart/modeling_tf_bart.py