fix(gradio): make gradio to project and remove app.py in root dir

app.py

-# Copyright (c) Opendatalab. All rights reserved.
-
-import base64
-import os
-import time
-import zipfile
-from pathlib import Path
-import re
-
-from loguru import logger
-
-from magic_pdf.libs.hash_utils import compute_sha256
-from magic_pdf.rw.AbsReaderWriter import AbsReaderWriter
-from magic_pdf.rw.DiskReaderWriter import DiskReaderWriter
-from magic_pdf.tools.common import do_parse, prepare_env
-
-os.system("pip install gradio")
-os.system("pip install gradio-pdf")
-import gradio as gr
-from gradio_pdf import PDF
-
-
-def read_fn(path):
-    disk_rw = DiskReaderWriter(os.path.dirname(path))
-    return disk_rw.read(os.path.basename(path), AbsReaderWriter.MODE_BIN)
-
-
-def parse_pdf(doc_path, output_dir, end_page_id):
-    os.makedirs(output_dir, exist_ok=True)
-
-    try:
-        file_name = f"{str(Path(doc_path).stem)}_{time.time()}"
-        pdf_data = read_fn(doc_path)
-        parse_method = "auto"
-        local_image_dir, local_md_dir = prepare_env(output_dir, file_name, parse_method)
-        do_parse(
-            output_dir,
-            file_name,
-            pdf_data,
-            [],
-            parse_method,
-            False,
-            end_page_id=end_page_id,
-        )
-        return local_md_dir, file_name
-    except Exception as e:
-        logger.exception(e)
-
-
-def compress_directory_to_zip(directory_path, output_zip_path):
-    """
-    压缩指定目录到一个 ZIP 文件。
-
-    :param directory_path: 要压缩的目录路径
-    :param output_zip_path: 输出的 ZIP 文件路径
-    """
-    try:
-        with zipfile.ZipFile(output_zip_path, 'w', zipfile.ZIP_DEFLATED) as zipf:
-
-            # 遍历目录中的所有文件和子目录
-            for root, dirs, files in os.walk(directory_path):
-                for file in files:
-                    # 构建完整的文件路径
-                    file_path = os.path.join(root, file)
-                    # 计算相对路径
-                    arcname = os.path.relpath(file_path, directory_path)
-                    # 添加文件到 ZIP 文件
-                    zipf.write(file_path, arcname)
-        return 0
-    except Exception as e:
-        logger.exception(e)
-        return -1
-
-
-def image_to_base64(image_path):
-    with open(image_path, "rb") as image_file:
-        return base64.b64encode(image_file.read()).decode('utf-8')
-
-
-def replace_image_with_base64(markdown_text, image_dir_path):
-    # 匹配Markdown中的图片标签
-    pattern = r'\!\[(?:[^\]]*)\]\(([^)]+)\)'
-
-    # 替换图片链接
-    def replace(match):
-        relative_path = match.group(1)
-        full_path = os.path.join(image_dir_path, relative_path)
-        base64_image = image_to_base64(full_path)
-        return f"![{relative_path}](data:image/jpeg;base64,{base64_image})"
-
-    # 应用替换
-    return re.sub(pattern, replace, markdown_text)
-
-
-def to_markdown(file_path, end_pages):
-    # 获取识别的md文件以及压缩包文件路径
-    local_md_dir, file_name = parse_pdf(file_path, './output', end_pages - 1)
-    archive_zip_path = os.path.join("./output", compute_sha256(local_md_dir) + ".zip")
-    zip_archive_success = compress_directory_to_zip(local_md_dir, archive_zip_path)
-    if zip_archive_success == 0:
-        logger.info("压缩成功")
-    else:
-        logger.error("压缩失败")
-    md_path = os.path.join(local_md_dir, file_name + ".md")
-    with open(md_path, 'r', encoding='utf-8') as f:
-        txt_content = f.read()
-    md_content = replace_image_with_base64(txt_content, local_md_dir)
-    # 返回转换后的PDF路径
-    new_pdf_path = os.path.join(local_md_dir, file_name + "_layout.pdf")
-
-    return md_content, txt_content, archive_zip_path, new_pdf_path
-
-
-# def show_pdf(file_path):
-#     with open(file_path, "rb") as f:
-#         base64_pdf = base64.b64encode(f.read()).decode('utf-8')
-#     pdf_display = f'<embed src="data:application/pdf;base64,{base64_pdf}" ' \
-#                   f'width="100%" height="1000" type="application/pdf">'
-#     return pdf_display
-
-
-latex_delimiters = [{"left": "$$", "right": "$$", "display": True},
-                    {"left": '$', "right": '$', "display": False}]
-
-
-def init_model():
-    from magic_pdf.model.doc_analyze_by_custom_model import ModelSingleton
-    try:
-        model_manager = ModelSingleton()
-        txt_model = model_manager.get_model(False, False)
-        logger.info(f"txt_model init final")
-        ocr_model = model_manager.get_model(True, False)
-        logger.info(f"ocr_model init final")
-        return 0
-    except Exception as e:
-        logger.exception(e)
-        return -1
-
-
-model_init = init_model()
-logger.info(f"model_init: {model_init}")
-
-
-if __name__ == "__main__":
-    with gr.Blocks() as demo:
-        with gr.Row():
-            with gr.Column(variant='panel', scale=5):
-                pdf_show = gr.Markdown()
-                max_pages = gr.Slider(1, 10, 5, step=1, label="Max convert pages")
-                with gr.Row() as bu_flow:
-                    change_bu = gr.Button("Convert")
-                    clear_bu = gr.ClearButton([pdf_show], value="Clear")
-                pdf_show = PDF(label="Please upload pdf", interactive=True, height=800)
-
-            with gr.Column(variant='panel', scale=5):
-                output_file = gr.File(label="convert result", interactive=False)
-                with gr.Tabs():
-                    with gr.Tab("Markdown rendering"):
-                        md = gr.Markdown(label="Markdown rendering", height=900, show_copy_button=True,
-                                         latex_delimiters=latex_delimiters, line_breaks=True)
-                    with gr.Tab("Markdown text"):
-                        md_text = gr.TextArea(lines=45, show_copy_button=True)
-        change_bu.click(fn=to_markdown, inputs=[pdf_show, max_pages], outputs=[md, md_text, output_file, pdf_show])
-        clear_bu.add([md, pdf_show, md_text, output_file])
-
-    demo.launch()
-