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# Copyright 2024 the LlamaFactory 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.
from typing import TYPE_CHECKING, Any, Dict
from .chatter import WebChatModel
from .common import load_config
from .locales import LOCALES
from .manager import Manager
from .runner import Runner
from .utils import create_ds_config, get_time
if TYPE_CHECKING:
from gradio.components import Component
class Engine:
def __init__(self, demo_mode: bool = False, pure_chat: bool = False) -> None:
self.demo_mode = demo_mode
self.pure_chat = pure_chat
self.manager = Manager()
self.runner = Runner(self.manager, demo_mode)
self.chatter = WebChatModel(self.manager, demo_mode, lazy_init=(not pure_chat))
if not demo_mode:
create_ds_config()
def _update_component(self, input_dict: Dict[str, Dict[str, Any]]) -> Dict["Component", "Component"]:
r"""
Gets the dict to update the components.
"""
output_dict: Dict["Component", "Component"] = {}
for elem_id, elem_attr in input_dict.items():
elem = self.manager.get_elem_by_id(elem_id)
output_dict[elem] = elem.__class__(**elem_attr)
return output_dict
def resume(self):
user_config = load_config() if not self.demo_mode else {}
lang = user_config.get("lang", None) or "en"
init_dict = {"top.lang": {"value": lang}, "infer.chat_box": {"visible": self.chatter.loaded}}
if not self.pure_chat:
current_time = get_time()
init_dict["train.current_time"] = {"value": current_time}
init_dict["train.output_dir"] = {"value": "train_{}".format(current_time)}
init_dict["train.config_path"] = {"value": "{}.yaml".format(current_time)}
init_dict["eval.output_dir"] = {"value": "eval_{}".format(current_time)}
init_dict["infer.image_box"] = {"visible": False}
if user_config.get("last_model", None):
init_dict["top.model_name"] = {"value": user_config["last_model"]}
yield self._update_component(init_dict)
if self.runner.running and not self.demo_mode and not self.pure_chat:
yield {elem: elem.__class__(value=value) for elem, value in self.runner.running_data.items()}
if self.runner.do_train:
yield self._update_component({"train.resume_btn": {"value": True}})
else:
yield self._update_component({"eval.resume_btn": {"value": True}})
def change_lang(self, lang: str):
return {
elem: elem.__class__(**LOCALES[elem_name][lang])
for elem_name, elem in self.manager.get_elem_iter()
if elem_name in LOCALES
}
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