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# Copyright (c) Opendatalab. All rights reserved. | |
import base64 | |
import os | |
import time | |
import zipfile | |
from pathlib import Path | |
import re | |
os.system('pip install -r requirements.txt') | |
os.system('pip install -U magic_pdf-0.8.0a3-py3-none-any.whl') | |
os.system('python -m pip install paddlepaddle-gpu==3.0.0b1 -i https://www.paddlepaddle.org.cn/packages/stable/cu118/') | |
from huggingface_hub import snapshot_download | |
model_dir = snapshot_download('opendatalab/PDF-Extract-Kit') | |
os.system('wget https://github.com/opendatalab/MinerU/raw/master/magic-pdf.template.json') | |
os.system('cp magic-pdf.template.json ~/magic-pdf.json') | |
os.system(f"sed -i 's|/tmp/models|{model_dir}/models|g' /home/user/magic-pdf.json") | |
os.system("sed -i 's|cpu|cuda|g' /home/user/magic-pdf.json") | |
os.system('cp -r paddleocr /home/user/.paddleocr') | |
os.system("pip install gradio-pdf") | |
from gradio_pdf import PDF | |
import gradio as gr | |
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 | |
import spaces | |
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, show_pdf(new_pdf_path) | |
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 | |
def show_pdf(file): | |
return file | |
latex_delimiters = [{"left": "$$", "right": "$$", "display": True}, | |
{"left": '$', "right": '$', "display": False}] | |
from magic_pdf.model.doc_analyze_by_custom_model import ModelSingleton | |
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): | |
# file = gr.File(label="Please upload pdf", file_types=[".pdf"]) | |
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 = gr.HTML(label="PDF preview") | |
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) | |
# file.upload(fn=show_pdf, inputs=file, outputs=pdf_show) | |
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() | |