operators.py

import copy
import json
import os
from typing import Callable

from magic_pdf.config.make_content_config import DropMode, MakeMode
from magic_pdf.data.data_reader_writer import DataWriter
from magic_pdf.data.dataset import Dataset
from magic_pdf.dict2md.ocr_mkcontent import union_make
from magic_pdf.libs.draw_bbox import (draw_layout_bbox, draw_line_sort_bbox,
                                      draw_span_bbox)
from magic_pdf.libs.json_compressor import JsonCompressor


class PipeResult:
    def __init__(self, pipe_res, dataset: Dataset):
        """Initialized.

        Args:
            pipe_res (list[dict]): the pipeline processed result of model inference result
            dataset (Dataset): the dataset associated with pipe_res
        """
        self._pipe_res = pipe_res
        self._dataset = dataset

    def get_markdown(self,
                    img_dir_or_bucket_prefix: str,
                    drop_mode=DropMode.WHOLE_PDF,
                    md_make_mode=MakeMode.MM_MD) -> str:
        """Get markdown content.

        Args:
            img_dir_or_bucket_prefix (str): The s3 bucket prefix or local file directory which used to store the figure
            drop_mode (str, optional): Drop strategy when some page which is corrupted or inappropriate. Defaults to DropMode.WHOLE_PDF.
            md_make_mode (str, optional): The content Type of Markdown be made. Defaults to MakeMode.MM_MD.

        Returns:
            str: return markdown content
        """
        pdf_info_list = self._pipe_res['pdf_info']
        md_content = union_make(
            pdf_info_list, md_make_mode, drop_mode, img_dir_or_bucket_prefix
        )
        return md_content

    def dump_md(
        self,
        writer: DataWriter,
        file_path: str,
        img_dir_or_bucket_prefix: str,
        drop_mode=DropMode.WHOLE_PDF,
        md_make_mode=MakeMode.MM_MD,
    ):
        """Dump The Markdown.

        Args:
            writer (DataWriter): File writer handle
            file_path (str): The file location of markdown
            img_dir_or_bucket_prefix (str): The s3 bucket prefix or local file directory which used to store the figure
            drop_mode (str, optional): Drop strategy when some page which is corrupted or inappropriate. Defaults to DropMode.WHOLE_PDF.
            md_make_mode (str, optional): The content Type of Markdown be made. Defaults to MakeMode.MM_MD.
        """

        md_content = self.get_markdown(img_dir_or_bucket_prefix, drop_mode=drop_mode, md_make_mode=md_make_mode)
        writer.write_string(file_path, md_content)

    def get_content_list(self,
                        image_dir_or_bucket_prefix: str,
                        drop_mode=DropMode.NONE,
                        md_make_mode=MakeMode.STANDARD_FORMAT) -> str:
        """Get Content List.

        Args:
            image_dir_or_bucket_prefix (str): The s3 bucket prefix or local file directory which used to store the figure
            drop_mode (str, optional): Drop strategy when some page which is corrupted or inappropriate. Defaults to DropMode.NONE.
            md_make_mode (str, optional): The content Type of Markdown be made. Defaults to MakeMode.STANDARD_FORMAT.

        Returns:
            str: content list content
        """
        pdf_info_list = self._pipe_res['pdf_info']
        content_list = union_make(
            pdf_info_list,
            md_make_mode,
            drop_mode,
            image_dir_or_bucket_prefix,
        )
        return content_list

    def dump_content_list(
        self,
        writer: DataWriter,
        file_path: str,
        image_dir_or_bucket_prefix: str,
        drop_mode=DropMode.NONE,
        md_make_mode=MakeMode.STANDARD_FORMAT
    ):
        """Dump Content List.

        Args:
            writer (DataWriter): File writer handle
            file_path (str): The file location of content list
            image_dir_or_bucket_prefix (str): The s3 bucket prefix or local file directory which used to store the figure
            drop_mode (str, optional): Drop strategy when some page which is corrupted or inappropriate. Defaults to DropMode.NONE.
            md_make_mode (str, optional): The content Type of Markdown be made. Defaults to MakeMode.STANDARD_FORMAT.
        """
        content_list = self.get_content_list(image_dir_or_bucket_prefix, drop_mode=drop_mode, md_make_mode=md_make_mode)
        writer.write_string(
            file_path, json.dumps(content_list, ensure_ascii=False, indent=4)
        )

    def dump_middle_json(self, writer: DataWriter, file_path: str):
        """Dump the result of pipeline.

        Args:
            writer (DataWriter): File writer handler
            file_path (str): The file location of middle json
        """
        writer.write_string(
            file_path, json.dumps(self._pipe_res, ensure_ascii=False, indent=4)
        )

    def draw_layout(self, file_path: str) -> None:
        """Draw the layout.

        Args:
            file_path (str): The file location of layout result file
        """
        dir_name = os.path.dirname(file_path)
        base_name = os.path.basename(file_path)
        if not os.path.exists(dir_name):
            os.makedirs(dir_name, exist_ok=True)
        pdf_info = self._pipe_res['pdf_info']
        draw_layout_bbox(pdf_info, self._dataset.data_bits(), dir_name, base_name)

    def draw_span(self, file_path: str):
        """Draw the Span.

        Args:
            file_path (str): The file location of span result file
        """
        dir_name = os.path.dirname(file_path)
        base_name = os.path.basename(file_path)
        if not os.path.exists(dir_name):
            os.makedirs(dir_name, exist_ok=True)
        pdf_info = self._pipe_res['pdf_info']
        draw_span_bbox(pdf_info, self._dataset.data_bits(), dir_name, base_name)

    def draw_line_sort(self, file_path: str):
        """Draw line sort.

        Args:
            file_path (str): The file location of line sort result file
        """
        dir_name = os.path.dirname(file_path)
        base_name = os.path.basename(file_path)
        if not os.path.exists(dir_name):
            os.makedirs(dir_name, exist_ok=True)
        pdf_info = self._pipe_res['pdf_info']
        draw_line_sort_bbox(pdf_info, self._dataset.data_bits(), dir_name, base_name)

    def get_compress_pdf_mid_data(self):
        """Compress the pipeline result.

        Returns:
            str: compress the pipeline result and return
        """
        return JsonCompressor.compress_json(self._pipe_res)

    def apply(self, proc: Callable, *args, **kwargs):
        """Apply callable method which.

        Args:
            proc (Callable): invoke proc as follows:
                proc(pipeline_result, *args, **kwargs)

        Returns:
            Any: return the result generated by proc
        """
        return proc(copy.deepcopy(self._pipe_res), *args, **kwargs)