mirror of
https://github.com/KoboldAI/KoboldAI-Client.git
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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
import os
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from typing import Optional
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from transformers import AutoConfig
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import utils
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from logger import logger
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from modeling.inference_model import InferenceModel
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class HFInferenceModel(InferenceModel):
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def __init__(self) -> None:
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super().__init__()
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self.model_config = None
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def get_local_model_path(
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self, legacy: bool = False, ignore_existance: bool = False
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) -> Optional[str]:
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"""
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Returns a string of the model's path locally, or None if it is not downloaded.
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If ignore_existance is true, it will always return a path.
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"""
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basename = utils.koboldai_vars.model.replace("/", "_")
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if legacy:
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ret = basename
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else:
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ret = os.path.join("models", basename)
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if os.path.isdir(ret) or ignore_existance:
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return ret
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return None
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def init_model_config(self) -> None:
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# Get the model_type from the config or assume a model type if it isn't present
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try:
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self.model_config = AutoConfig.from_pretrained(
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self.get_local_model_path() or utils.koboldai_vars.model,
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revision=utils.koboldai_vars.revision,
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cache_dir="cache",
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)
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utils.koboldai_vars.model_type = self.model_config.model_type
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except ValueError:
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utils.koboldai_vars.model_type = {
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"NeoCustom": "gpt_neo",
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"GPT2Custom": "gpt2",
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}.get(utils.koboldai_vars.model)
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if not utils.koboldai_vars.model_type:
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logger.warning(
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"No model type detected, assuming Neo (If this is a GPT2 model use the other menu option or --model GPT2Custom)"
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)
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utils.koboldai_vars.model_type = "gpt_neo"
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