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feat: add support for non-PDF file conversion to PDF #777

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Oct 23, 2024
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feat: add support for non-PDF file conversion to PDF #777

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33 changes: 28 additions & 5 deletions projects/gradio_app/app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,12 @@
import base64
import os
import time
import uuid
import zipfile
from pathlib import Path
import re

import pymupdf
from loguru import logger

from magic_pdf.libs.hash_utils import compute_sha256
Expand Down Expand Up @@ -164,12 +166,32 @@ def init_model():
all_lang.extend([*other_lang, *latin_lang, *arabic_lang, *cyrillic_lang, *devanagari_lang])


def to_pdf(file_path):
with pymupdf.open(file_path) as f:
if f.is_pdf:
return file_path
else:
pdf_bytes = f.convert_to_pdf()
# 将pdfbytes 写入到uuid.pdf中
# 生成唯一的文件名
unique_filename = f"{uuid.uuid4()}.pdf"

# 构建完整的文件路径
tmp_file_path = os.path.join(os.path.dirname(file_path), unique_filename)

# 将字节数据写入文件
with open(tmp_file_path, 'wb') as tmp_pdf_file:
tmp_pdf_file.write(pdf_bytes)

return tmp_file_path


if __name__ == "__main__":
with gr.Blocks() as demo:
gr.HTML(header)
with gr.Row():
with gr.Column(variant='panel', scale=5):
pdf_show = gr.Markdown()
file = gr.File(label="Please upload a PDF or image", file_types=[".pdf", ".png", ".jpeg", "jpg"])
max_pages = gr.Slider(1, 10, 5, step=1, label="Max convert pages")
with gr.Row():
layout_mode = gr.Dropdown(["layoutlmv3", "doclayout_yolo"], label="Layout model", value="layoutlmv3")
Expand All @@ -180,14 +202,14 @@ def init_model():
table_enable = gr.Checkbox(label="Enable table recognition(test)", value=False)
with gr.Row():
change_bu = gr.Button("Convert")
clear_bu = gr.ClearButton([pdf_show], value="Clear")
pdf_show = PDF(label="Please upload pdf", interactive=True, height=800)
clear_bu = gr.ClearButton(value="Clear")
pdf_show = PDF(label="PDF preview", interactive=True, height=800)
with gr.Accordion("Examples:"):
example_root = os.path.join(os.path.dirname(__file__), "examples")
gr.Examples(
examples=[os.path.join(example_root, _) for _ in os.listdir(example_root) if
_.endswith("pdf")],
inputs=pdf_show,
inputs=pdf_show
)

with gr.Column(variant='panel', scale=5):
Expand All @@ -198,8 +220,9 @@ def init_model():
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=to_pdf, inputs=file, outputs=pdf_show)
change_bu.click(fn=to_markdown, inputs=[pdf_show, max_pages, is_ocr, layout_mode, formula_enable, table_enable, language],
outputs=[md, md_text, output_file, pdf_show])
clear_bu.add([md, pdf_show, md_text, output_file, is_ocr])
clear_bu.add([file, md, pdf_show, md_text, output_file, is_ocr, table_enable, language])

demo.launch(server_name="0.0.0.0")
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