c5cb3ab82e
* init * update xpu to cpu * update * update readme * update example * update * add refer * add guide to train different datasets * update readme * update
81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
#
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# Copyright 2016 The BigDL Authors.
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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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#
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# Some parts of this file is adapted from
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# https://github.com/tloen/alpaca-lora/blob/main/utils/prompter.py
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#
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# Copyright 2023 Rohan Taori, Ishaan Gulrajani, Tianyi Zhang, Yann Dubois, Xuechen Li
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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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import json
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import os.path as osp
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from typing import Union
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from bigdl.llm.utils.common import invalidInputError
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class Prompter(object):
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__slots__ = ("template", "_verbose")
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def __init__(self, template_name: str = "", verbose: bool = False):
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self._verbose = verbose
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if not template_name:
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# Enforce the default here, so the constructor can be called with '' and will not break.
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template_name = "alpaca"
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file_name = osp.join("templates", f"{template_name}.json")
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if not osp.exists(file_name):
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invalidInputError(False, f"Can't read {file_name}")
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with open(file_name) as fp:
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self.template = json.load(fp)
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if self._verbose:
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print(
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f"Using prompt template {template_name}: {self.template['description']}"
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)
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def generate_prompt(
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self,
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instruction: str,
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input: Union[None, str]=None,
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label: Union[None, str]=None,
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) -> str:
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# returns the full prompt from instruction and optional input
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# if a label (=response, =output) is provided, it's also appended.
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if input:
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res = self.template["prompt_input"].format(
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instruction=instruction, input=input
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)
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else:
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res = self.template["prompt_no_input"].format(
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instruction=instruction
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)
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if label:
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res = f"{res}{label}"
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if self._verbose:
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print(res)
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return res
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def get_response(self, output: str) -> str:
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return output.split(self.template["response_split"])[1].strip()
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