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peft_types.py
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peft_types.py
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# flake8: noqa
# There's no way to ignore "F401 '...' imported but unused" warnings in this
# module, but to preserve other warnings. So, don't check this module at all
# coding=utf-8
# Copyright 2023-present 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.
import enum
class PeftType(str, enum.Enum):
"""
Enum class for the different types of adapters in PEFT.
Supported PEFT types:
- PROMPT_TUNING
- MULTITASK_PROMPT_TUNING
- P_TUNING
- PREFIX_TUNING
- LORA
- ADALORA
- BOFT
- ADAPTION_PROMPT
- IA3
- LOHA
- LOKR
- OFT
- XLORA
- POLY
- LN_TUNING
- VERA
- FOURIERFT
- HRA
"""
PROMPT_TUNING = "PROMPT_TUNING"
MULTITASK_PROMPT_TUNING = "MULTITASK_PROMPT_TUNING"
P_TUNING = "P_TUNING"
PREFIX_TUNING = "PREFIX_TUNING"
LORA = "LORA"
ADALORA = "ADALORA"
BOFT = "BOFT"
ADAPTION_PROMPT = "ADAPTION_PROMPT"
IA3 = "IA3"
LOHA = "LOHA"
LOKR = "LOKR"
OFT = "OFT"
POLY = "POLY"
LN_TUNING = "LN_TUNING"
VERA = "VERA"
FOURIERFT = "FOURIERFT"
XLORA = "XLORA"
HRA = "HRA"
VBLORA = "VBLORA"
class TaskType(str, enum.Enum):
"""
Enum class for the different types of tasks supported by PEFT.
Overview of the supported task types:
- SEQ_CLS: Text classification.
- SEQ_2_SEQ_LM: Sequence-to-sequence language modeling.
- CAUSAL_LM: Causal language modeling.
- TOKEN_CLS: Token classification.
- QUESTION_ANS: Question answering.
- FEATURE_EXTRACTION: Feature extraction. Provides the hidden states which can be used as embeddings or features
for downstream tasks.
"""
SEQ_CLS = "SEQ_CLS"
SEQ_2_SEQ_LM = "SEQ_2_SEQ_LM"
CAUSAL_LM = "CAUSAL_LM"
TOKEN_CLS = "TOKEN_CLS"
QUESTION_ANS = "QUESTION_ANS"
FEATURE_EXTRACTION = "FEATURE_EXTRACTION"