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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. | |
| import json | |
| import os | |
| from typing import TYPE_CHECKING, Any, Dict, List, Tuple | |
| from ...extras.constants import DATA_CONFIG | |
| from ...extras.packages import is_gradio_available | |
| if is_gradio_available(): | |
| import gradio as gr | |
| if TYPE_CHECKING: | |
| from gradio.components import Component | |
| PAGE_SIZE = 2 | |
| def prev_page(page_index: int) -> int: | |
| return page_index - 1 if page_index > 0 else page_index | |
| def next_page(page_index: int, total_num: int) -> int: | |
| return page_index + 1 if (page_index + 1) * PAGE_SIZE < total_num else page_index | |
| def can_preview(dataset_dir: str, dataset: list) -> "gr.Button": | |
| try: | |
| with open(os.path.join(dataset_dir, DATA_CONFIG), "r", encoding="utf-8") as f: | |
| dataset_info = json.load(f) | |
| except Exception: | |
| return gr.Button(interactive=False) | |
| if len(dataset) == 0 or "file_name" not in dataset_info[dataset[0]]: | |
| return gr.Button(interactive=False) | |
| data_path = os.path.join(dataset_dir, dataset_info[dataset[0]]["file_name"]) | |
| if os.path.isfile(data_path) or (os.path.isdir(data_path) and os.listdir(data_path)): | |
| return gr.Button(interactive=True) | |
| else: | |
| return gr.Button(interactive=False) | |
| def _load_data_file(file_path: str) -> List[Any]: | |
| with open(file_path, "r", encoding="utf-8") as f: | |
| if file_path.endswith(".json"): | |
| return json.load(f) | |
| elif file_path.endswith(".jsonl"): | |
| return [json.loads(line) for line in f] | |
| else: | |
| return list(f) | |
| def get_preview(dataset_dir: str, dataset: list, page_index: int) -> Tuple[int, list, "gr.Column"]: | |
| with open(os.path.join(dataset_dir, DATA_CONFIG), "r", encoding="utf-8") as f: | |
| dataset_info = json.load(f) | |
| data_path = os.path.join(dataset_dir, dataset_info[dataset[0]]["file_name"]) | |
| if os.path.isfile(data_path): | |
| data = _load_data_file(data_path) | |
| else: | |
| data = [] | |
| for file_name in os.listdir(data_path): | |
| data.extend(_load_data_file(os.path.join(data_path, file_name))) | |
| return len(data), data[PAGE_SIZE * page_index : PAGE_SIZE * (page_index + 1)], gr.Column(visible=True) | |
| def create_preview_box(dataset_dir: "gr.Textbox", dataset: "gr.Dropdown") -> Dict[str, "Component"]: | |
| data_preview_btn = gr.Button(interactive=False, scale=1) | |
| with gr.Column(visible=False, elem_classes="modal-box") as preview_box: | |
| with gr.Row(): | |
| preview_count = gr.Number(value=0, interactive=False, precision=0) | |
| page_index = gr.Number(value=0, interactive=False, precision=0) | |
| with gr.Row(): | |
| prev_btn = gr.Button() | |
| next_btn = gr.Button() | |
| close_btn = gr.Button() | |
| with gr.Row(): | |
| preview_samples = gr.JSON() | |
| dataset.change(can_preview, [dataset_dir, dataset], [data_preview_btn], queue=False).then( | |
| lambda: 0, outputs=[page_index], queue=False | |
| ) | |
| data_preview_btn.click( | |
| get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False | |
| ) | |
| prev_btn.click(prev_page, [page_index], [page_index], queue=False).then( | |
| get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False | |
| ) | |
| next_btn.click(next_page, [page_index, preview_count], [page_index], queue=False).then( | |
| get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False | |
| ) | |
| close_btn.click(lambda: gr.Column(visible=False), outputs=[preview_box], queue=False) | |
| return dict( | |
| data_preview_btn=data_preview_btn, | |
| preview_count=preview_count, | |
| page_index=page_index, | |
| prev_btn=prev_btn, | |
| next_btn=next_btn, | |
| close_btn=close_btn, | |
| preview_samples=preview_samples, | |
| ) | |