UnisMindMap/mineru/cli/common.py

697 lines
26 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

# Copyright (c) Opendatalab. All rights reserved.
import io
import json
import os
import copy
from pathlib import Path
from loguru import logger
import pypdfium2 as pdfium
from mineru.data.data_reader_writer import FileBasedDataWriter
from mineru.utils.draw_bbox import draw_layout_bbox, draw_span_bbox, draw_line_sort_bbox
from mineru.utils.engine_utils import get_vlm_engine
from mineru.utils.enum_class import MakeMode
from mineru.utils.guess_suffix_or_lang import guess_suffix_by_bytes
from mineru.utils.pdf_image_tools import images_bytes_to_pdf_bytes
from mineru.backend.vlm.vlm_middle_json_mkcontent import union_make as vlm_union_make
from mineru.backend.vlm.vlm_analyze import doc_analyze as vlm_doc_analyze
from mineru.backend.vlm.vlm_analyze import aio_doc_analyze as aio_vlm_doc_analyze
from mineru.utils.pdf_page_id import get_end_page_id
if os.getenv("MINERU_LMDEPLOY_DEVICE", "") == "maca":
import torch
torch.backends.cudnn.enabled = False
pdf_suffixes = ["pdf"]
image_suffixes = ["png", "jpeg", "jp2", "webp", "gif", "bmp", "jpg", "tiff"]
word_suffixes = ["docx", "doc"]
os.environ["TOKENIZERS_PARALLELISM"] = "false"
def read_fn(path):
if not isinstance(path, Path):
path = Path(path)
with open(str(path), "rb") as input_file:
file_bytes = input_file.read()
file_suffix = guess_suffix_by_bytes(file_bytes, path)
if file_suffix in image_suffixes:
return images_bytes_to_pdf_bytes(file_bytes)
elif file_suffix in pdf_suffixes:
return file_bytes
elif file_suffix in word_suffixes:
# 处理 Word 文件,转换为 PDF保持原格式
from io import BytesIO
import tempfile
import os
try:
# 方法 1: 使用 LibreOffice 进行高质量转换(推荐)
# 创建临时文件
with tempfile.NamedTemporaryFile(suffix=f'.{file_suffix}', delete=False) as temp_word:
temp_word.write(file_bytes)
temp_word_path = temp_word.name
pdf_fd, pdf_path = tempfile.mkstemp(suffix='.pdf')
os.close(pdf_fd)
try:
# 使用 LibreOffice 进行转换(保持原格式,包括图片、表格等)
import subprocess
result = subprocess.run(
[
'libreoffice', '--headless', '--convert-to', 'pdf',
'--outdir', os.path.dirname(pdf_path),
temp_word_path
],
capture_output=True,
timeout=120
)
if result.returncode == 0:
# LibreOffice 会在同目录下生成 PDF
base_name = os.path.basename(temp_word_path).rsplit('.', 1)[0]
generated_pdf = os.path.join(os.path.dirname(temp_word_path), f"{base_name}.pdf")
if os.path.exists(generated_pdf):
with open(generated_pdf, 'rb') as f:
pdf_bytes_result = f.read()
os.remove(generated_pdf)
os.remove(temp_word_path)
return pdf_bytes_result
logger.warning(f"LibreOffice conversion failed: {result.stderr}")
except (subprocess.TimeoutExpired, FileNotFoundError) as libreoffice_error:
logger.warning(f"LibreOffice not available or failed: {libreoffice_error}")
finally:
# 清理临时文件
if os.path.exists(temp_word_path):
os.remove(temp_word_path)
if os.path.exists(pdf_path):
os.remove(pdf_path)
# 方法 2: 如果 LibreOffice 不可用,使用 python-docx + reportlab 作为备选
if file_suffix == "docx":
from docx import Document
from reportlab.lib.pagesizes import letter
from reportlab.pdfgen import canvas
# 读取 Word 文件
doc = Document(BytesIO(file_bytes))
# 创建 PDF简单文本转换不保留复杂格式
output = BytesIO()
c = canvas.Canvas(output, pagesize=letter)
width, height = letter
y = height - 50
for para in doc.paragraphs:
text = para.text
if text:
# 处理长文本自动换行
max_width = width - 100
words = text.split(' ')
line = ''
for word in words:
test_line = f"{line} {word}".strip()
if c.stringWidth(test_line, 'Helvetica', 12) < max_width:
line = test_line
else:
if y < 50:
c.showPage()
y = height - 50
c.drawString(50, y, line)
y -= 15
line = word
# 写入最后一行
if y < 50:
c.showPage()
y = height - 50
c.drawString(50, y, line)
y -= 15
c.save()
output.seek(0)
return output.read()
raise Exception("Word to PDF conversion failed with all methods")
except Exception as e:
logger.exception(f"Error converting Word file to PDF: {e}")
raise Exception(f"Failed to convert Word file to PDF: {str(e)}. Please install LibreOffice for better conversion: sudo apt-get install libreoffice")
else:
raise Exception(f"Unknown file suffix: {file_suffix}")
def prepare_env(output_dir, pdf_file_name, parse_method):
local_md_dir = str(os.path.join(output_dir, pdf_file_name, parse_method))
local_image_dir = os.path.join(str(local_md_dir), "images")
os.makedirs(local_image_dir, exist_ok=True)
os.makedirs(local_md_dir, exist_ok=True)
return local_image_dir, local_md_dir
def convert_pdf_bytes_to_bytes_by_pypdfium2(pdf_bytes, start_page_id=0, end_page_id=None):
pdf = pdfium.PdfDocument(pdf_bytes)
output_pdf = pdfium.PdfDocument.new()
try:
end_page_id = get_end_page_id(end_page_id, len(pdf))
# 逐页导入,失败则跳过
output_index = 0
for page_index in range(start_page_id, end_page_id + 1):
try:
output_pdf.import_pages(pdf, pages=[page_index])
output_index += 1
except Exception as page_error:
output_pdf.del_page(output_index)
logger.warning(f"Failed to import page {page_index}: {page_error}, skipping this page.")
continue
# 将新PDF保存到内存缓冲区
output_buffer = io.BytesIO()
output_pdf.save(output_buffer)
# 获取字节数据
output_bytes = output_buffer.getvalue()
except Exception as e:
logger.warning(f"Error in converting PDF bytes: {e}, Using original PDF bytes.")
output_bytes = pdf_bytes
pdf.close()
output_pdf.close()
return output_bytes
def _prepare_pdf_bytes(pdf_bytes_list, start_page_id, end_page_id):
"""准备处理PDF字节数据"""
result = []
for pdf_bytes in pdf_bytes_list:
new_pdf_bytes = convert_pdf_bytes_to_bytes_by_pypdfium2(pdf_bytes, start_page_id, end_page_id)
result.append(new_pdf_bytes)
return result
def _process_output(
pdf_info,
pdf_bytes,
pdf_file_name,
local_md_dir,
local_image_dir,
md_writer,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_orig_pdf,
f_dump_md,
f_dump_content_list,
f_dump_middle_json,
f_dump_model_output,
f_make_md_mode,
middle_json,
model_output=None,
is_pipeline=True
):
f_draw_line_sort_bbox = False
from mineru.backend.pipeline.pipeline_middle_json_mkcontent import union_make as pipeline_union_make
"""处理输出文件"""
if f_draw_layout_bbox:
draw_layout_bbox(pdf_info, pdf_bytes, local_md_dir, f"{pdf_file_name}_layout.pdf")
if f_draw_span_bbox:
draw_span_bbox(pdf_info, pdf_bytes, local_md_dir, f"{pdf_file_name}_span.pdf")
if f_dump_orig_pdf:
md_writer.write(
f"{pdf_file_name}_origin.pdf",
pdf_bytes,
)
if f_draw_line_sort_bbox:
draw_line_sort_bbox(pdf_info, pdf_bytes, local_md_dir, f"{pdf_file_name}_line_sort.pdf")
image_dir = str(os.path.basename(local_image_dir))
if f_dump_md:
make_func = pipeline_union_make if is_pipeline else vlm_union_make
md_content_str = make_func(pdf_info, f_make_md_mode, image_dir)
md_writer.write_string(
f"{pdf_file_name}.md",
md_content_str,
)
if f_dump_content_list:
make_func = pipeline_union_make if is_pipeline else vlm_union_make
content_list = make_func(pdf_info, MakeMode.CONTENT_LIST, image_dir)
md_writer.write_string(
f"{pdf_file_name}_content_list.json",
json.dumps(content_list, ensure_ascii=False, indent=4),
)
if not is_pipeline:
content_list_v2 = make_func(pdf_info, MakeMode.CONTENT_LIST_V2, image_dir)
md_writer.write_string(
f"{pdf_file_name}_content_list_v2.json",
json.dumps(content_list_v2, ensure_ascii=False, indent=4),
)
if f_dump_middle_json:
md_writer.write_string(
f"{pdf_file_name}_middle.json",
json.dumps(middle_json, ensure_ascii=False, indent=4),
)
if f_dump_model_output:
md_writer.write_string(
f"{pdf_file_name}_model.json",
json.dumps(model_output, ensure_ascii=False, indent=4),
)
logger.info(f"local output dir is {local_md_dir}")
def _process_pipeline(
output_dir,
pdf_file_names,
pdf_bytes_list,
p_lang_list,
parse_method,
p_formula_enable,
p_table_enable,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_md,
f_dump_middle_json,
f_dump_model_output,
f_dump_orig_pdf,
f_dump_content_list,
f_make_md_mode,
):
"""处理pipeline后端逻辑"""
from mineru.backend.pipeline.model_json_to_middle_json import result_to_middle_json as pipeline_result_to_middle_json
from mineru.backend.pipeline.pipeline_analyze import doc_analyze as pipeline_doc_analyze
infer_results, all_image_lists, all_pdf_docs, lang_list, ocr_enabled_list = (
pipeline_doc_analyze(
pdf_bytes_list, p_lang_list, parse_method=parse_method,
formula_enable=p_formula_enable, table_enable=p_table_enable
)
)
for idx, model_list in enumerate(infer_results):
model_json = copy.deepcopy(model_list)
pdf_file_name = pdf_file_names[idx]
local_image_dir, local_md_dir = prepare_env(output_dir, pdf_file_name, parse_method)
image_writer, md_writer = FileBasedDataWriter(local_image_dir), FileBasedDataWriter(local_md_dir)
images_list = all_image_lists[idx]
pdf_doc = all_pdf_docs[idx]
_lang = lang_list[idx]
_ocr_enable = ocr_enabled_list[idx]
middle_json = pipeline_result_to_middle_json(
model_list, images_list, pdf_doc, image_writer,
_lang, _ocr_enable, p_formula_enable
)
pdf_info = middle_json["pdf_info"]
pdf_bytes = pdf_bytes_list[idx]
_process_output(
pdf_info, pdf_bytes, pdf_file_name, local_md_dir, local_image_dir,
md_writer, f_draw_layout_bbox, f_draw_span_bbox, f_dump_orig_pdf,
f_dump_md, f_dump_content_list, f_dump_middle_json, f_dump_model_output,
f_make_md_mode, middle_json, model_json, is_pipeline=True
)
async def _async_process_vlm(
output_dir,
pdf_file_names,
pdf_bytes_list,
backend,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_md,
f_dump_middle_json,
f_dump_model_output,
f_dump_orig_pdf,
f_dump_content_list,
f_make_md_mode,
server_url=None,
progress_callback=None,
**kwargs,
):
"""异步处理VLM后端逻辑"""
parse_method = "vlm"
f_draw_span_bbox = False
if not backend.endswith("client"):
server_url = None
total_files = len(pdf_bytes_list)
for idx, pdf_bytes in enumerate(pdf_bytes_list):
pdf_file_name = pdf_file_names[idx]
local_image_dir, local_md_dir = prepare_env(output_dir, pdf_file_name, parse_method)
image_writer, md_writer = FileBasedDataWriter(local_image_dir), FileBasedDataWriter(local_md_dir)
# 更新进度
if progress_callback:
progress_callback((idx / total_files) * 50, f"处理文件 {idx+1}/{total_files}")
middle_json, infer_result = await aio_vlm_doc_analyze(
pdf_bytes, image_writer=image_writer, backend=backend, server_url=server_url, **kwargs,
)
# 更新进度
if progress_callback:
progress_callback(((idx + 1) / total_files) * 100, f"完成文件 {idx+1}/{total_files}")
pdf_info = middle_json["pdf_info"]
_process_output(
pdf_info, pdf_bytes, pdf_file_name, local_md_dir, local_image_dir,
md_writer, f_draw_layout_bbox, f_draw_span_bbox, f_dump_orig_pdf,
f_dump_md, f_dump_content_list, f_dump_middle_json, f_dump_model_output,
f_make_md_mode, middle_json, infer_result, is_pipeline=False
)
def _process_vlm(
output_dir,
pdf_file_names,
pdf_bytes_list,
backend,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_md,
f_dump_middle_json,
f_dump_model_output,
f_dump_orig_pdf,
f_dump_content_list,
f_make_md_mode,
server_url=None,
**kwargs,
):
"""同步处理VLM后端逻辑"""
parse_method = "vlm"
f_draw_span_bbox = False
if not backend.endswith("client"):
server_url = None
for idx, pdf_bytes in enumerate(pdf_bytes_list):
pdf_file_name = pdf_file_names[idx]
local_image_dir, local_md_dir = prepare_env(output_dir, pdf_file_name, parse_method)
image_writer, md_writer = FileBasedDataWriter(local_image_dir), FileBasedDataWriter(local_md_dir)
middle_json, infer_result = vlm_doc_analyze(
pdf_bytes, image_writer=image_writer, backend=backend, server_url=server_url, **kwargs,
)
pdf_info = middle_json["pdf_info"]
_process_output(
pdf_info, pdf_bytes, pdf_file_name, local_md_dir, local_image_dir,
md_writer, f_draw_layout_bbox, f_draw_span_bbox, f_dump_orig_pdf,
f_dump_md, f_dump_content_list, f_dump_middle_json, f_dump_model_output,
f_make_md_mode, middle_json, infer_result, is_pipeline=False
)
def _process_hybrid(
output_dir,
pdf_file_names,
pdf_bytes_list,
h_lang_list,
parse_method,
inline_formula_enable,
backend,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_md,
f_dump_middle_json,
f_dump_model_output,
f_dump_orig_pdf,
f_dump_content_list,
f_make_md_mode,
server_url=None,
**kwargs,
):
from mineru.backend.hybrid.hybrid_analyze import doc_analyze as hybrid_doc_analyze
"""同步处理hybrid后端逻辑"""
if not backend.endswith("client"):
server_url = None
for idx, (pdf_bytes, lang) in enumerate(zip(pdf_bytes_list, h_lang_list)):
pdf_file_name = pdf_file_names[idx]
local_image_dir, local_md_dir = prepare_env(output_dir, pdf_file_name, f"hybrid_{parse_method}")
image_writer, md_writer = FileBasedDataWriter(local_image_dir), FileBasedDataWriter(local_md_dir)
middle_json, infer_result, _vlm_ocr_enable = hybrid_doc_analyze(
pdf_bytes,
image_writer=image_writer,
backend=backend,
parse_method=parse_method,
language=lang,
inline_formula_enable=inline_formula_enable,
server_url=server_url,
**kwargs,
)
pdf_info = middle_json["pdf_info"]
# f_draw_span_bbox = not _vlm_ocr_enable
f_draw_span_bbox = False
_process_output(
pdf_info, pdf_bytes, pdf_file_name, local_md_dir, local_image_dir,
md_writer, f_draw_layout_bbox, f_draw_span_bbox, f_dump_orig_pdf,
f_dump_md, f_dump_content_list, f_dump_middle_json, f_dump_model_output,
f_make_md_mode, middle_json, infer_result, is_pipeline=False
)
async def _async_process_hybrid(
output_dir,
pdf_file_names,
pdf_bytes_list,
h_lang_list,
parse_method,
inline_formula_enable,
backend,
f_draw_layout_bbox,
f_draw_span_bbox,
f_dump_md,
f_dump_middle_json,
f_dump_model_output,
f_dump_orig_pdf,
f_dump_content_list,
f_make_md_mode,
server_url=None,
progress_callback=None,
**kwargs,
):
from mineru.backend.hybrid.hybrid_analyze import aio_doc_analyze as aio_hybrid_doc_analyze
"""异步处理hybrid后端逻辑"""
if not backend.endswith("client"):
server_url = None
total_files = len(pdf_bytes_list)
for idx, (pdf_bytes, lang) in enumerate(zip(pdf_bytes_list, h_lang_list)):
pdf_file_name = pdf_file_names[idx]
local_image_dir, local_md_dir = prepare_env(output_dir, pdf_file_name, f"hybrid_{parse_method}")
image_writer, md_writer = FileBasedDataWriter(local_image_dir), FileBasedDataWriter(local_md_dir)
# 更新进度
if progress_callback:
progress_callback((idx / total_files) * 50, f"处理文件 {idx+1}/{total_files}")
middle_json, infer_result, _vlm_ocr_enable = await aio_hybrid_doc_analyze(
pdf_bytes,
image_writer=image_writer,
backend=backend,
parse_method=parse_method,
language=lang,
inline_formula_enable=inline_formula_enable,
server_url=server_url,
**kwargs,
)
# 更新进度
if progress_callback:
progress_callback(((idx + 1) / total_files) * 100, f"完成文件 {idx+1}/{total_files}")
pdf_info = middle_json["pdf_info"]
# f_draw_span_bbox = not _vlm_ocr_enable
f_draw_span_bbox = False
_process_output(
pdf_info, pdf_bytes, pdf_file_name, local_md_dir, local_image_dir,
md_writer, f_draw_layout_bbox, f_draw_span_bbox, f_dump_orig_pdf,
f_dump_md, f_dump_content_list, f_dump_middle_json, f_dump_model_output,
f_make_md_mode, middle_json, infer_result, is_pipeline=False
)
def do_parse(
output_dir,
pdf_file_names: list[str],
pdf_bytes_list: list[bytes],
p_lang_list: list[str],
backend="pipeline",
parse_method="auto",
formula_enable=True,
table_enable=True,
server_url=None,
f_draw_layout_bbox=True,
f_draw_span_bbox=True,
f_dump_md=True,
f_dump_middle_json=True,
f_dump_model_output=True,
f_dump_orig_pdf=True,
f_dump_content_list=True,
f_make_md_mode=MakeMode.MM_MD,
start_page_id=0,
end_page_id=None,
**kwargs,
):
# 预处理PDF字节数据
pdf_bytes_list = _prepare_pdf_bytes(pdf_bytes_list, start_page_id, end_page_id)
if backend == "pipeline":
_process_pipeline(
output_dir, pdf_file_names, pdf_bytes_list, p_lang_list,
parse_method, formula_enable, table_enable,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode
)
else:
if backend.startswith("vlm-"):
backend = backend[4:]
if backend == "vllm-async-engine":
raise Exception("vlm-vllm-async-engine backend is not supported in sync mode, please use vlm-vllm-engine backend")
if backend == "auto-engine":
backend = get_vlm_engine(inference_engine='auto', is_async=False)
os.environ['MINERU_VLM_FORMULA_ENABLE'] = str(formula_enable)
os.environ['MINERU_VLM_TABLE_ENABLE'] = str(table_enable)
_process_vlm(
output_dir, pdf_file_names, pdf_bytes_list, backend,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode,
server_url, **kwargs,
)
elif backend.startswith("hybrid-"):
backend = backend[7:]
if backend == "vllm-async-engine":
raise Exception(
"hybrid-vllm-async-engine backend is not supported in sync mode, please use hybrid-vllm-engine backend")
if backend == "auto-engine":
backend = get_vlm_engine(inference_engine='auto', is_async=False)
os.environ['MINERU_VLM_TABLE_ENABLE'] = str(table_enable)
os.environ['MINERU_VLM_FORMULA_ENABLE'] = "true"
_process_hybrid(
output_dir, pdf_file_names, pdf_bytes_list, p_lang_list, parse_method, formula_enable, backend,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode,
server_url, **kwargs,
)
async def aio_do_parse(
output_dir,
pdf_file_names: list[str],
pdf_bytes_list: list[bytes],
p_lang_list: list[str],
backend="pipeline",
parse_method="auto",
formula_enable=True,
table_enable=True,
server_url=None,
f_draw_layout_bbox=True,
f_draw_span_bbox=True,
f_dump_md=True,
f_dump_middle_json=True,
f_dump_model_output=True,
f_dump_orig_pdf=True,
f_dump_content_list=True,
f_make_md_mode=MakeMode.MM_MD,
start_page_id=0,
end_page_id=None,
progress_callback=None,
**kwargs,
):
# 预处理PDF字节数据
pdf_bytes_list = _prepare_pdf_bytes(pdf_bytes_list, start_page_id, end_page_id)
if backend == "pipeline":
# pipeline模式暂不支持异步使用同步处理方式
_process_pipeline(
output_dir, pdf_file_names, pdf_bytes_list, p_lang_list,
parse_method, formula_enable, table_enable,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode
)
else:
if backend.startswith("vlm-"):
backend = backend[4:]
if backend == "vllm-engine":
raise Exception("vlm-vllm-engine backend is not supported in async mode, please use vlm-vllm-async-engine backend")
if backend == "auto-engine":
backend = get_vlm_engine(inference_engine='auto', is_async=True)
os.environ['MINERU_VLM_FORMULA_ENABLE'] = str(formula_enable)
os.environ['MINERU_VLM_TABLE_ENABLE'] = str(table_enable)
# 传递进度回调
await _async_process_vlm(
output_dir, pdf_file_names, pdf_bytes_list, backend,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode,
server_url, progress_callback=progress_callback, **kwargs,
)
elif backend.startswith("hybrid-"):
backend = backend[7:]
if backend == "vllm-engine":
raise Exception("hybrid-vllm-engine backend is not supported in async mode, please use hybrid-vllm-async-engine backend")
if backend == "auto-engine":
backend = get_vlm_engine(inference_engine='auto', is_async=True)
os.environ['MINERU_VLM_TABLE_ENABLE'] = str(table_enable)
os.environ['MINERU_VLM_FORMULA_ENABLE'] = "true"
# 传递进度回调
await _async_process_hybrid(
output_dir, pdf_file_names, pdf_bytes_list, p_lang_list, parse_method, formula_enable, backend,
f_draw_layout_bbox, f_draw_span_bbox, f_dump_md, f_dump_middle_json,
f_dump_model_output, f_dump_orig_pdf, f_dump_content_list, f_make_md_mode,
server_url, progress_callback=progress_callback, **kwargs,
)
if __name__ == "__main__":
# pdf_path = "../../demo/pdfs/demo3.pdf"
pdf_path = "C:/Users/zhaoxiaomeng/Downloads/4546d0e2-ba60-40a5-a17e-b68555cec741.pdf"
try:
do_parse("./output", [Path(pdf_path).stem], [read_fn(Path(pdf_path))],["ch"],
end_page_id=10,
backend='vlm-huggingface'
# backend = 'pipeline'
)
except Exception as e:
logger.exception(e)