open-webui/backend/open_webui/utils/payload.py
2024-09-08 17:52:58 +02:00

89 lines
2.4 KiB
Python

from open_webui.utils.task import prompt_template
from open_webui.utils.misc import (
add_or_update_system_message,
)
from typing import Callable, Optional
# inplace function: form_data is modified
def apply_model_system_prompt_to_body(params: dict, form_data: dict, user) -> dict:
system = params.get("system", None)
if not system:
return form_data
if user:
template_params = {
"user_name": user.name,
"user_location": user.info.get("location") if user.info else None,
}
else:
template_params = {}
system = prompt_template(system, **template_params)
form_data["messages"] = add_or_update_system_message(
system, form_data.get("messages", [])
)
return form_data
# inplace function: form_data is modified
def apply_model_params_to_body(
params: dict, form_data: dict, mappings: dict[str, Callable]
) -> dict:
if not params:
return form_data
for key, cast_func in mappings.items():
if (value := params.get(key)) is not None:
form_data[key] = cast_func(value)
return form_data
# inplace function: form_data is modified
def apply_model_params_to_body_openai(params: dict, form_data: dict) -> dict:
mappings = {
"temperature": float,
"top_p": float,
"max_tokens": int,
"frequency_penalty": float,
"seed": lambda x: x,
"stop": lambda x: [bytes(s, "utf-8").decode("unicode_escape") for s in x],
}
return apply_model_params_to_body(params, form_data, mappings)
def apply_model_params_to_body_ollama(params: dict, form_data: dict) -> dict:
opts = [
"temperature",
"top_p",
"seed",
"mirostat",
"mirostat_eta",
"mirostat_tau",
"num_ctx",
"num_batch",
"num_keep",
"repeat_last_n",
"tfs_z",
"top_k",
"min_p",
"use_mmap",
"use_mlock",
"num_thread",
"num_gpu",
]
mappings = {i: lambda x: x for i in opts}
form_data = apply_model_params_to_body(params, form_data, mappings)
name_differences = {
"max_tokens": "num_predict",
"frequency_penalty": "repeat_penalty",
}
for key, value in name_differences.items():
if (param := params.get(key, None)) is not None:
form_data[value] = param
return form_data