mirror of
https://github.com/ParisNeo/lollms-webui.git
synced 2024-12-19 04:17:52 +00:00
88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
######
|
|
# Project : GPT4ALL-UI
|
|
# File : backend.py
|
|
# Author : ParisNeo with the help of the community
|
|
# Supported by Nomic-AI
|
|
# license : Apache 2.0
|
|
# Description :
|
|
# This is an interface class for GPT4All-ui backends.
|
|
######
|
|
from pathlib import Path
|
|
from typing import Callable
|
|
import inspect
|
|
import yaml
|
|
import sys
|
|
|
|
__author__ = "parisneo"
|
|
__github__ = "https://github.com/nomic-ai/gpt4all-ui"
|
|
__copyright__ = "Copyright 2023, "
|
|
__license__ = "Apache 2.0"
|
|
|
|
|
|
class LLMBackend:
|
|
file_extension='*.bin'
|
|
backend_path = Path(__file__).parent
|
|
def __init__(self, config:dict, inline:bool) -> None:
|
|
self.config = config
|
|
self.inline = inline
|
|
|
|
|
|
def generate(self,
|
|
prompt:str,
|
|
n_predict: int = 128,
|
|
new_text_callback: Callable[[str], None] = None,
|
|
verbose: bool = False,
|
|
**gpt_params ):
|
|
"""Generates text out of a prompt
|
|
This should ber implemented by child class
|
|
|
|
Args:
|
|
prompt (str): The prompt to use for generation
|
|
n_predict (int, optional): Number of tokens to prodict. Defaults to 128.
|
|
new_text_callback (Callable[[str], None], optional): A callback function that is called everytime a new text element is generated. Defaults to None.
|
|
verbose (bool, optional): If true, the code will spit many informations about the generation process. Defaults to False.
|
|
"""
|
|
pass
|
|
def tokenize(self, prompt):
|
|
"""
|
|
Tokenizes the given prompt using the model's tokenizer.
|
|
|
|
Args:
|
|
prompt (str): The input prompt to be tokenized.
|
|
|
|
Returns:
|
|
list: A list of tokens representing the tokenized prompt.
|
|
"""
|
|
pass
|
|
|
|
def detokenize(self, tokens_list):
|
|
"""
|
|
Detokenizes the given list of tokens using the model's tokenizer.
|
|
|
|
Args:
|
|
tokens_list (list): A list of tokens to be detokenized.
|
|
|
|
Returns:
|
|
str: The detokenized text as a string.
|
|
"""
|
|
pass
|
|
|
|
@staticmethod
|
|
def list_models(config:dict):
|
|
"""Lists the models for this backend
|
|
"""
|
|
models_dir = Path('./models')/config["backend"] # replace with the actual path to the models folder
|
|
return [f.name for f in models_dir.glob(LLMBackend.file_extension)]
|
|
|
|
@staticmethod
|
|
def get_available_models():
|
|
# Create the file path relative to the child class's directory
|
|
backend_path = Path(__file__).parent
|
|
file_path = backend_path/"models.yaml"
|
|
|
|
with open(file_path, 'r') as file:
|
|
yaml_data = yaml.safe_load(file)
|
|
|
|
return yaml_data
|
|
|