refactor(web_api): adapt to new pipeline API changes

projects/web_api/Dockerfile

 # Use the official Ubuntu base image
-FROM ubuntu:latest
-
-# ENV http_proxy http://127.0.0.1:7890
-# ENV https_proxy http://127.0.0.1:7890
+FROM ubuntu:22.04
 
 # Set environment variables to non-interactive to avoid prompts during installation
 ENV DEBIAN_FRONTEND=noninteractive
 ENV LANG C.UTF-8
 
-# ADD sources.list /etc/apt
-# RUN apt-get clean
-
-
-
 # Update the package list and install necessary packages
-RUN apt-get -q update \
-    && apt-get -q install -y --no-install-recommends \
-        apt-utils \
-        bats \
-        build-essential
-RUN apt-get update && apt-get install -y vim net-tools procps lsof curl wget iputils-ping telnet lrzsz git
-
-RUN apt-get update && \
-    apt-get install -y \
-        software-properties-common && \
-    add-apt-repository ppa:deadsnakes/ppa && \
-    apt-get update && \
-    apt-get install -y \
+RUN apt-get -q update && \
+    apt-get -q install -y --no-install-recommends \
+        build-essential \
+        software-properties-common \
+        # gpg \
+    # && add-apt-repository ppa:deadsnakes/ppa \
+    && apt-get update \
+    && apt-get install -y \
         python3.10 \
         python3.10-venv \
         python3.10-distutils \
@@ -35,41 +22,31 @@ RUN apt-get update && \
         git \
         libgl1 \
         libglib2.0-0 \
+    && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# RUN unset http_proxy && unset https_proxy
-
 # Set Python 3.10 as the default python3
 RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1
 
-# Create a virtual environment for MinerU
-RUN python3 -m venv /opt/mineru_venv
-RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple
-# Activate the virtual environment and install necessary Python packages
-RUN /bin/bash -c "source /opt/mineru_venv/bin/activate && \
+# Create a virtual environment for MinerU and install packages
+RUN python3 -m venv /opt/mineru_venv && \
+    pip config set global.index-url https://mirrors.aliyun.com/pypi/simple && \
+    /bin/bash -c "source /opt/mineru_venv/bin/activate && \
     pip install --upgrade pip && \
-    pip install magic-pdf[full] --extra-index-url https://myhloli.github.io/wheels/ --no-cache-dir"
-
-
-RUN /bin/bash -c "source /opt/mineru_venv/bin/activate && \
-    pip install fastapi uvicorn python-multipart --no-cache-dir"
-
-RUN /bin/bash -c "source /opt/mineru_venv/bin/activate && \
-    pip uninstall  paddlepaddle -y"
-
-RUN /bin/bash -c "source /opt/mineru_venv/bin/activate && \
-    python -m pip install paddlepaddle-gpu==3.0.0b1 -i https://www.paddlepaddle.org.cn/packages/stable/cu118/ --no-cache-dir"
+    pip install magic-pdf[full] --extra-index-url https://myhloli.github.io/wheels/ --no-cache-dir && \
+    pip install fastapi uvicorn python-multipart --no-cache-dir && \
+    pip uninstall paddlepaddle -y && \
+    pip install paddlepaddle-gpu==3.0.0b1 -i https://www.paddlepaddle.org.cn/packages/stable/cu118/ --no-cache-dir"
 
 # Copy the configuration file template and set up the model directory
-COPY magic-pdf.template.json /root/magic-pdf.json
-ADD models /opt/models
-ADD .paddleocr /root/.paddleocr 
-ADD app.py /root/app.py
+COPY models/models /opt/models
+COPY layoutreader /opt/layoutreader
+COPY .paddleocr /root/.paddleocr 
+COPY app.py /root/app.py
+COPY magic-pdf.json /root/magic-pdf.json
 
 WORKDIR /root
 
-# Set the models directory in the configuration file (adjust the path as needed)
-RUN sed -i 's|/tmp/models|/opt/models|g' /root/magic-pdf.json
 
 # Create the models directory
 # RUN mkdir -p /opt/models

projects/web_api/README.md

@@ -42,3 +42,7 @@
 
 > dockerhub地址：docker pull quincyqiang/mineru:0.1-models
 
+## 构建方式:
+
+1. 拷贝`hantian/layoutreader`,`opendatalab/PDF-Extract-Kit-1.0`,`paddleocr`模型到当前目录。
+2. `docker build --build-arg http_proxy=http://127.0.0.1:7890 --build-arg https_proxy=http://127.0.0.1:7890 -t mineru-api .`

projects/web_api/app.py

-import copy
 import json
 import os
-from tempfile import NamedTemporaryFile
+from io import StringIO
+from typing import Tuple, Union
 
 import uvicorn
-from fastapi import FastAPI, File, UploadFile
+from fastapi import FastAPI, HTTPException, UploadFile
 from fastapi.responses import JSONResponse
 from loguru import logger
 
 import magic_pdf.model as model_config
 from magic_pdf.config.enums import SupportedPdfParseMethod
-from magic_pdf.data.data_reader_writer import FileBasedDataWriter
+from magic_pdf.data.data_reader_writer import DataWriter, FileBasedDataWriter
+from magic_pdf.data.data_reader_writer.s3 import S3DataReader, S3DataWriter
 from magic_pdf.data.dataset import PymuDocDataset
+from magic_pdf.libs.config_reader import get_bucket_name, get_s3_config
 from magic_pdf.model.doc_analyze_by_custom_model import doc_analyze
 from magic_pdf.operators.models import InferenceResult
+from magic_pdf.operators.pipes import PipeResult
 
 model_config.__use_inside_model__ = True
 
 app = FastAPI()
 
 
-def json_md_dump(
-    model_json,
-    middle_json,
-    md_writer,
-    pdf_name,
-    content_list,
-    md_content,
-):
-    # Write model results to model.json
-    orig_model_list = copy.deepcopy(model_json)
-    md_writer.write_string(
-        f'{pdf_name}_model.json',
-        json.dumps(orig_model_list, ensure_ascii=False, indent=4),
-    )
 
-    # Write intermediate results to middle.json
-    md_writer.write_string(
-        f'{pdf_name}_middle.json',
-        json.dumps(middle_json, ensure_ascii=False, indent=4),
-    )
+class MemoryDataWriter(DataWriter):
+    def __init__(self):
+        self.buffer = StringIO()
 
-    # Write text content results to content_list.json
-    md_writer.write_string(
-        f'{pdf_name}_content_list.json',
-        json.dumps(content_list, ensure_ascii=False, indent=4),
-    )
+    def write(self, path: str, data: bytes) -> None:
+        if isinstance(data, str):
+            self.buffer.write(data)
+        else:
+            self.buffer.write(data.decode('utf-8'))
 
-    # Write results to .md file
-    md_writer.write_string(
-        f'{pdf_name}.md',
-        md_content,
-    )
+    def write_string(self, path: str, data: str) -> None:
+        self.buffer.write(data)
 
+    def get_value(self) -> str:
+        return self.buffer.getvalue()
 
-@app.post('/pdf_parse', tags=['projects'], summary='Parse PDF file')
-async def pdf_parse_main(
-    pdf_file: UploadFile = File(...),
-    parse_method: str = 'auto',
-    model_json_path: str = None,
-    is_json_md_dump: bool = True,
-    output_dir: str = 'output',
-):
-    """Execute the process of converting PDF to JSON and MD, outputting MD and
-    JSON files to the specified directory.
-
-    :param pdf_file: The PDF file to be parsed
-    :param parse_method: Parsing method, can be auto, ocr, or txt. Default is auto. If results are not satisfactory, try ocr
-    :param model_json_path: Path to existing model data file. If empty, use built-in model. PDF and model_json must correspond
-    :param is_json_md_dump: Whether to write parsed data to .json and .md files. Default is True. Different stages of data will be written to different .json files (3 in total), md content will be saved to .md file  # noqa E501
-    :param output_dir: Output directory for results. A folder named after the PDF file will be created to store all results
+    def close(self):
+        self.buffer.close()
+
+def init_writers(
+    pdf_path: str = None,
+    pdf_file: UploadFile = None,
+    output_path: str = None,
+    output_image_path: str = None,
+) -> Tuple[Union[S3DataWriter, FileBasedDataWriter], Union[S3DataWriter, FileBasedDataWriter], bytes]:
     """
-    try:
-        # Create a temporary file to store the uploaded PDF
-        with NamedTemporaryFile(delete=False, suffix='.pdf') as temp_pdf:
-            temp_pdf.write(await pdf_file.read())
-            temp_pdf_path = temp_pdf.name
+    Initialize writers based on path type
 
-        pdf_name = os.path.basename(pdf_file.filename).split('.')[0]
+    Args:
+        pdf_path: PDF file path (local path or S3 path)
+        pdf_file: Uploaded PDF file object
+        output_path: Output directory path
+        output_image_path: Image output directory path
 
-        if output_dir:
-            output_path = os.path.join(output_dir, pdf_name)
+    Returns:
+        Tuple[writer, image_writer, pdf_bytes]: Returns initialized writer tuple and PDF file content
+    """
+    if pdf_path:
+        is_s3_path = pdf_path.startswith('s3://')
+        if is_s3_path:
+            bucket = get_bucket_name(pdf_path)
+            ak, sk, endpoint = get_s3_config(bucket)
+
+            writer = S3DataWriter(output_path, bucket=bucket, ak=ak, sk=sk, endpoint_url=endpoint)
+            image_writer = S3DataWriter(output_image_path, bucket=bucket, ak=ak, sk=sk, endpoint_url=endpoint)
+            # 临时创建reader读取文件内容
+            temp_reader = S3DataReader("", bucket=bucket, ak=ak, sk=sk, endpoint_url=endpoint)
+            pdf_bytes = temp_reader.read(pdf_path)
         else:
-            output_path = os.path.join(os.path.dirname(temp_pdf_path), pdf_name)
-
-        output_image_path = os.path.join(output_path, 'images')
-
-        # Get parent path of images for relative path in .md and content_list.json
-        image_path_parent = os.path.basename(output_image_path)
-
-        pdf_bytes = open(temp_pdf_path, 'rb').read()  # Read binary data of PDF file
-
-        if model_json_path:
-            # Read original JSON data of PDF file parsed by model, list type
-            model_json = json.loads(open(model_json_path, 'r', encoding='utf-8').read())
+            writer = FileBasedDataWriter(output_path)
+            image_writer = FileBasedDataWriter(output_image_path)
+            os.makedirs(output_image_path, exist_ok=True)
+            with open(pdf_path, 'rb') as f:
+                pdf_bytes = f.read()
     else:
-            model_json = []
+        # 处理上传的文件
+        pdf_bytes = pdf_file.file.read()
+        writer = FileBasedDataWriter(output_path)
+        image_writer = FileBasedDataWriter(output_image_path)
+        os.makedirs(output_image_path, exist_ok=True)
+
+    return writer, image_writer, pdf_bytes
+
+def process_pdf(
+    pdf_bytes: bytes,
+    parse_method: str,
+    image_writer: Union[S3DataWriter, FileBasedDataWriter]
+) -> Tuple[InferenceResult, PipeResult]:
+    """
+    Process PDF file content
 
-        # Execute parsing steps
-        image_writer, md_writer = FileBasedDataWriter(
-            output_image_path
-        ), FileBasedDataWriter(output_path)
+    Args:
+        pdf_bytes: Binary content of PDF file
+        parse_method: Parse method ('ocr', 'txt', 'auto')
+        image_writer: Image writer
 
+    Returns:
+        Tuple[InferenceResult, PipeResult]: Returns inference result and pipeline result
+    """
     ds = PymuDocDataset(pdf_bytes)
-        # Choose parsing method
-        if parse_method == 'auto':
-            if ds.classify() == SupportedPdfParseMethod.OCR:
-                parse_method = 'ocr'
-            else:
-                parse_method = 'txt'
+    infer_result : InferenceResult = None
+    pipe_result : PipeResult = None
 
-        if parse_method not in ['txt', 'ocr']:
-            logger.error('Unknown parse method, only auto, ocr, txt allowed')
-            return JSONResponse(
-                content={'error': 'Invalid parse method'}, status_code=400
-            )
-
-        if len(model_json) == 0:
     if parse_method == 'ocr':
         infer_result = ds.apply(doc_analyze, ocr=True)
+        pipe_result = infer_result.pipe_ocr_mode(image_writer)
+    elif parse_method == 'txt':
+        infer_result = ds.apply(doc_analyze, ocr=False)
+        pipe_result = infer_result.pipe_txt_mode(image_writer)
+    else:  # auto
+        if ds.classify() == SupportedPdfParseMethod.OCR:
+            infer_result = ds.apply(doc_analyze, ocr=True)
+            pipe_result = infer_result.pipe_ocr_mode(image_writer)
         else:
             infer_result = ds.apply(doc_analyze, ocr=False)
+            pipe_result = infer_result.pipe_txt_mode(image_writer)
 
-        else:
-            infer_result = InferenceResult(model_json, ds)
+    return infer_result, pipe_result
 
-        if len(model_json) == 0 and not model_config.__use_inside_model__:
-                logger.error('Need model list input')
-                return JSONResponse(
-                    content={'error': 'Model list input required'}, status_code=400
+@app.post('/pdf_parse', tags=['projects'], summary='Parse PDF files (supports local files and S3)')
+async def pdf_parse(
+    pdf_file: UploadFile = None,
+    pdf_path: str = None,
+    parse_method: str = 'auto',
+    is_json_md_dump: bool = True,
+    output_dir: str = 'output',
+    return_layout: bool = False,
+    return_info: bool = False,
+    return_content_list: bool = False,
+):
+    try:
+        if pdf_file is None and pdf_path is None:
+            raise HTTPException(status_code=400, detail="Must provide either pdf_file or pdf_path")
+
+        # Get PDF filename
+        pdf_name = os.path.basename(pdf_path if pdf_path else pdf_file.filename).split('.')[0]
+        output_path = f"{output_dir}/{pdf_name}"
+        output_image_path = f"{output_path}/images"
+
+        # Initialize readers/writers and get PDF content
+        writer, image_writer, pdf_bytes = init_writers(
+            pdf_path=pdf_path,
+            pdf_file=pdf_file,
+            output_path=output_path,
+            output_image_path=output_image_path
         )
-        if parse_method == 'ocr':
-            pipe_res = infer_result.pipe_ocr_mode(image_writer)
-        else:
-            pipe_res = infer_result.pipe_txt_mode(image_writer)
 
+        # Process PDF
+        infer_result, pipe_result = process_pdf(pdf_bytes, parse_method, image_writer)
+
+        # Use MemoryDataWriter to get results
+        content_list_writer = MemoryDataWriter()
+        md_content_writer = MemoryDataWriter()
+        middle_json_writer = MemoryDataWriter()
 
-        # Save results in text and md format
-        content_list = pipe_res.get_content_list(image_path_parent, drop_mode='none')
-        md_content = pipe_res.get_markdown(image_path_parent, drop_mode='none')
+        # Use PipeResult's dump method to get data
+        pipe_result.dump_content_list(content_list_writer, "", "images")
+        pipe_result.dump_md(md_content_writer, "", "images")
+        pipe_result.dump_middle_json(middle_json_writer, "")
 
+        # Get content
+        content_list = json.loads(content_list_writer.get_value())
+        md_content = md_content_writer.get_value()
+        middle_json = json.loads(middle_json_writer.get_value())
+        model_json = infer_result.get_infer_res()
+
+        # If results need to be saved
         if is_json_md_dump:
-            json_md_dump(infer_result._infer_res, pipe_res._pipe_res, md_writer, pdf_name, content_list, md_content)
-        data = {
-            'layout': copy.deepcopy(infer_result._infer_res),
-            'info': pipe_res._pipe_res,
-            'content_list': content_list,
-            'md_content': md_content,
-        }
+            writer.write_string(f"{pdf_name}_content_list.json", content_list_writer.get_value())
+            writer.write_string(f"{pdf_name}.md", md_content)
+            writer.write_string(f"{pdf_name}_middle.json", middle_json_writer.get_value())
+            writer.write_string(f"{pdf_name}_model.json", json.dumps(model_json, indent=4, ensure_ascii=False))
+            # Save visualization results
+            pipe_result.draw_layout(os.path.join(output_path, f'{pdf_name}_layout.pdf'))
+            pipe_result.draw_span(os.path.join(output_path, f'{pdf_name}_spans.pdf'))
+            pipe_result.draw_line_sort(os.path.join(output_path, f'{pdf_name}_line_sort.pdf'))
+            infer_result.draw_model(os.path.join(output_path, f'{pdf_name}_model.pdf'))
+
+        # Build return data
+        data = {}
+        if return_layout:
+            data['layout'] = model_json
+        if return_info:
+            data['info'] = middle_json
+        if return_content_list:
+            data['content_list'] = content_list
+        data['md_content'] = md_content  # md_content is always returned
+
+        # Clean up memory writers
+        content_list_writer.close()
+        md_content_writer.close()
+        middle_json_writer.close()
+
         return JSONResponse(data, status_code=200)
 
     except Exception as e:
         logger.exception(e)
         return JSONResponse(content={'error': str(e)}, status_code=500)
-    finally:
-        # Clean up the temporary file
-        if 'temp_pdf_path' in locals():
-            os.unlink(temp_pdf_path)
 
 
 if __name__ == '__main__':

projects/web_api/magic-pdf.json

@@ -4,10 +4,20 @@
         "bucket-name-2":["ak", "sk", "endpoint"]
     },
     "models-dir":"/opt/models",
+    "layoutreader-model-dir":"/opt/layoutreader",
     "device-mode":"cuda",
+    "layout-config": {
+        "model": "layoutlmv3"
+    },
+    "formula-config": {
+        "mfd_model": "yolo_v8_mfd",
+        "mfr_model": "unimernet_small",
+        "enable": true
+    },
     "table-config": {
-        "model": "TableMaster",
-        "is_table_recog_enable": false,
+        "model": "rapid_table",
+        "enable": false,
         "max_time": 400
-    }
+    },
+    "config_version": "1.0.0"
 }

projects/web_api/magic-pdf.template.json

-{
-    "bucket_info":{
-        "bucket-name-1":["ak", "sk", "endpoint"],
-        "bucket-name-2":["ak", "sk", "endpoint"]
-    },
-    "models-dir":"/tmp/models",
-    "device-mode":"cuda",
-    "table-config": {
-        "model": "TableMaster",
-        "is_table_recog_enable": false,
-        "max_time": 400
-    }
-}
\ No newline at end of file

projects/web_api/sources.list

-deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
-deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
-deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
-deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
-deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
\ No newline at end of file