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@@ -1,685 +0,0 @@
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-import time
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-
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-# from anyio import Path
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-
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-from magic_pdf.libs.commons import (
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- fitz,
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- get_delta_time,
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- get_img_s3_client,
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- get_docx_model_output,
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-)
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-import json
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-import os
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-from copy import deepcopy
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-import math
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-from loguru import logger
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-from magic_pdf.layout.bbox_sort import (
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- prepare_bboxes_for_layout_split,
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-)
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-from magic_pdf.layout.layout_sort import (
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- LAYOUT_UNPROC,
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- get_bboxes_layout,
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- get_columns_cnt_of_layout,
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- sort_text_block,
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-)
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-from magic_pdf.libs.drop_reason import DropReason
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-from magic_pdf.libs.markdown_utils import escape_special_markdown_char
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-from magic_pdf.libs.safe_filename import sanitize_filename
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-from magic_pdf.libs.vis_utils import draw_bbox_on_page, draw_layout_bbox_on_page
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-from magic_pdf.pre_proc.cut_image import txt_save_images_by_bboxes
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-from magic_pdf.pre_proc.detect_images import parse_images
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-from magic_pdf.pre_proc.detect_tables import parse_tables # 获取tables的bbox
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-from magic_pdf.pre_proc.detect_equation import parse_equations # 获取equations的bbox
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-from magic_pdf.pre_proc.detect_header import parse_headers # 获取headers的bbox
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-from magic_pdf.pre_proc.detect_page_number import parse_pageNos # 获取pageNos的bbox
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-from magic_pdf.pre_proc.detect_footnote import (
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- parse_footnotes_by_model,
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- parse_footnotes_by_rule,
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-) # 获取footnotes的bbox
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-from magic_pdf.pre_proc.detect_footer_by_model import parse_footers # 获取footers的bbox
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-
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-from magic_pdf.post_proc.detect_para import (
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- ParaProcessPipeline,
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- TitleDetectionException,
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- TitleLevelException,
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- ParaSplitException,
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- ParaMergeException,
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- DenseSingleLineBlockException,
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-)
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-from magic_pdf.pre_proc.main_text_font import get_main_text_font
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-from magic_pdf.pre_proc.remove_colored_strip_bbox import remove_colored_strip_textblock
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-from magic_pdf.pre_proc.remove_footer_header import remove_headder_footer_one_page
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-from magic_pdf.train_utils.extract_caption import extract_caption_bbox
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-
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-"""
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-from para.para_pipeline import ParaProcessPipeline
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-from para.exceptions import (
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- TitleDetectionException,
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- TitleLevelException,
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- ParaSplitException,
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- ParaMergeException,
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- DenseSingleLineBlockException,
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-)
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-"""
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-
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-from magic_pdf.libs.commons import read_file, join_path
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-from magic_pdf.post_proc.remove_footnote import (
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- merge_footnote_blocks,
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- remove_footnote_blocks,
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-)
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-from magic_pdf.pre_proc.citationmarker_remove import remove_citation_marker
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-from magic_pdf.pre_proc.equations_replace import (
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- combine_chars_to_pymudict,
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- remove_chars_in_text_blocks,
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- replace_equations_in_textblock,
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-)
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-from magic_pdf.pre_proc.pdf_pre_filter import pdf_filter
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-from magic_pdf.pre_proc.detect_footer_header_by_statistics import drop_footer_header
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-from magic_pdf.pre_proc.construct_page_dict import construct_page_component
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-from magic_pdf.pre_proc.fix_image import (
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- combine_images,
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- fix_image_vertical,
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- fix_seperated_image,
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- include_img_title,
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-)
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-from magic_pdf.post_proc.pdf_post_filter import pdf_post_filter
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-from magic_pdf.pre_proc.remove_rotate_bbox import (
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- get_side_boundry,
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- remove_rotate_side_textblock,
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- remove_side_blank_block,
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-)
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-from magic_pdf.pre_proc.resolve_bbox_conflict import (
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- check_text_block_horizontal_overlap,
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- resolve_bbox_overlap_conflict,
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-)
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-from magic_pdf.pre_proc.fix_table import (
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- fix_table_text_block,
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- fix_tables,
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- include_table_title,
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-)
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-from magic_pdf.pre_proc.solve_line_alien import solve_inline_too_large_interval
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-
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-denseSingleLineBlockException_msg = DenseSingleLineBlockException().message
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-titleDetectionException_msg = TitleDetectionException().message
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-titleLevelException_msg = TitleLevelException().message
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-paraSplitException_msg = ParaSplitException().message
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-paraMergeException_msg = ParaMergeException().message
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-
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-
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-def parse_pdf_for_train(
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- s3_pdf_path,
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- s3_pdf_profile,
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- pdf_model_output,
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- save_path,
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- book_name,
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- image_s3_config=None,
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- start_page_id=0,
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- end_page_id=None,
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- junk_img_bojids=[],
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- debug_mode=False,
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-):
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- pdf_bytes = read_file(s3_pdf_path, s3_pdf_profile)
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- save_tmp_path = os.path.join(os.path.dirname(__file__), "../..", "tmp", "unittest")
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- md_bookname_save_path = ""
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- book_name = sanitize_filename(book_name)
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- if debug_mode:
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- save_path = join_path(save_tmp_path, "md")
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- pdf_local_path = join_path(save_tmp_path, "download-pdfs", book_name)
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-
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- if not os.path.exists(os.path.dirname(pdf_local_path)):
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- # 如果目录不存在,创建它
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- os.makedirs(os.path.dirname(pdf_local_path))
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-
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- md_bookname_save_path = join_path(save_tmp_path, "md", book_name)
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- if not os.path.exists(md_bookname_save_path):
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- # 如果目录不存在,创建它
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- os.makedirs(md_bookname_save_path)
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-
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- with open(pdf_local_path + ".pdf", "wb") as pdf_file:
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- pdf_file.write(pdf_bytes)
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-
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- pdf_docs = fitz.open("pdf", pdf_bytes)
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- pdf_info_dict = {}
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- img_s3_client = get_img_s3_client(
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- save_path, image_s3_config
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- ) # 更改函数名和参数,避免歧义
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- # img_s3_client = "img_s3_client" #不创建这个对象,直接用字符串占位
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-
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- start_time = time.time()
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-
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- """通过统计pdf全篇文字,识别正文字体"""
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- main_text_font = get_main_text_font(pdf_docs)
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-
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- end_page_id = end_page_id if end_page_id else len(pdf_docs) - 1
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- for page_id in range(start_page_id, end_page_id + 1):
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- page = pdf_docs[page_id]
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- page_width = page.rect.width
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- page_height = page.rect.height
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-
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- if debug_mode:
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- time_now = time.time()
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- logger.info(
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- f"page_id: {page_id}, last_page_cost_time: {get_delta_time(start_time)}"
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- )
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- start_time = time_now
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- """
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- # 通过一个规则,过滤掉单页超过1500非junkimg的pdf
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- # 对单页面非重复id的img数量做统计,如果当前页超过1500则直接return need_drop
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- """
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- page_imgs = page.get_images()
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- img_counts = 0
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- for img in page_imgs:
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- img_bojid = img[0]
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- if img_bojid in junk_img_bojids: # 判断这个图片在不在junklist中
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- continue # 如果在junklist就不用管了,跳过
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- else:
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- recs = page.get_image_rects(img, transform=True)
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- if recs: # 如果这张图在当前页面有展示
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- img_counts += 1
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- if (
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- img_counts >= 1500
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- ): # 如果去除了junkimg的影响,单页img仍然超过1500的话,就排除当前pdf
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- logger.warning(
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- f"page_id: {page_id}, img_counts: {img_counts}, drop this pdf: {book_name}, drop_reason: {DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS}"
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- )
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- result = {
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- "_need_drop": True,
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- "_drop_reason": DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS,
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- }
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- if not debug_mode:
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- return result
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-
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- """
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- ==================================================================================================================================
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- 首先获取基本的block数据,对pdf进行分解,获取图片、表格、公式、text的bbox
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- """
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- # 解析pdf原始文本block
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- text_raw_blocks = page.get_text(
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- "dict",
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- flags=fitz.TEXTFLAGS_TEXT,
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- )["blocks"]
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- model_output_json = get_docx_model_output(
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- pdf_model_output, page_id
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- )
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-
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- # 解析图片
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- image_bboxes = parse_images(page_id, page, model_output_json, junk_img_bojids)
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- image_bboxes = fix_image_vertical(
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- image_bboxes, text_raw_blocks
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- ) # 修正图片的位置
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- image_bboxes = fix_seperated_image(image_bboxes) # 合并有边重合的图片
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-
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- old_image_bboxes = deepcopy(image_bboxes)
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- image_bboxes = include_img_title(
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- text_raw_blocks, image_bboxes
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- ) # 向图片上方和下方寻找title,使用规则进行匹配,暂时只支持英文规则
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- """此时image_bboxes中可能出现这种情况,水平并列的2个图片,下方分别有各自的子标题,2个子标题下方又有大标题(形如Figxxx),会出现2个图片的bbox都包含了这个大标题,这种情况需要把图片合并"""
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- image_bboxes = combine_images(image_bboxes) # 合并图片
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-
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- # 解析表格并对table_bboxes进行位置的微调,防止表格周围的文字被截断
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- table_bboxes = parse_tables(page_id, page, model_output_json)
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- table_bboxes = fix_tables(
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- page, table_bboxes, include_table_title=False, scan_line_num=2
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- ) # 修正
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- table_bboxes = fix_table_text_block(
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- text_raw_blocks, table_bboxes
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- ) # 修正与text block的关系,某些table修正与pymupdf获取到的table内textblock没有完全包含,因此要进行一次修正。
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- # debug_show_bbox(pdf_docs, page_id, table_bboxes, [], [b['bbox'] for b in text_raw_blocks], join_path(save_path, book_name, f"{book_name}_debug.pdf"), 7)
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-
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- old_table_bboxes = deepcopy(table_bboxes)
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- table_bboxes = include_table_title(
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- text_raw_blocks, table_bboxes
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- ) # 向table上方和下方寻找title,使用规则进行匹配,暂时只支持英文规则
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-
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- # 解析公式
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- equations_inline_bboxes, equations_interline_bboxes = parse_equations(
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- page_id, page, model_output_json
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- )
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-
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- # get image box and caption !
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- image_bboxes_with_caption = extract_caption_bbox(image_bboxes, old_image_bboxes)
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-
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- # get table box and caption !
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- table_bboxes_with_caption = extract_caption_bbox(table_bboxes, old_table_bboxes)
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-
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- """
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- ==================================================================================================================================
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- 进入预处理-1阶段
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- -------------------
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- # # 解析标题
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- # title_bboxs = parse_titles(page_id, page, model_output_json)
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- # # 评估Layout是否规整、简单
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- # isSimpleLayout_flag, fullColumn_cnt, subColumn_cnt, curPage_loss = evaluate_pdf_layout(page_id, page, model_output_json)
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- 接下来开始进行预处理过程
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- """
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- # title_bboxs = parse_titles(page_id, page, model_output_json)
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-
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- """去掉每页的页码、页眉、页脚"""
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- page_no_bboxs = parse_pageNos(page_id, page, model_output_json)
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- header_bboxs = parse_headers(page_id, page, model_output_json)
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- footer_bboxs = parse_footers(page_id, page, model_output_json)
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- (
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- image_bboxes,
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- table_bboxes,
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- remain_text_blocks,
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- removed_hdr_foot_txt_block,
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- removed_hdr_foot_img_block,
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- removed_hdr_foot_table,
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- ) = remove_headder_footer_one_page(
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- text_raw_blocks,
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- image_bboxes,
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- table_bboxes,
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- header_bboxs,
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- footer_bboxs,
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- page_no_bboxs,
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- page_width,
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- page_height,
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- )
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-
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- """去除页面上半部分长条色块内的文本块"""
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- remain_text_blocks, removed_colored_narrow_strip_background_text_block = (
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- remove_colored_strip_textblock(remain_text_blocks, page)
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- )
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-
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- # debug_show_bbox(pdf_docs, page_id, footnote_bboxes_by_model, [b['bbox'] for b in remain_text_blocks], header_bboxs, join_path(save_path, book_name, f"{book_name}_debug.pdf"), 7)
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-
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- """去掉旋转的文字:水印、垂直排列的文字"""
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- remain_text_blocks, removed_non_horz_text_block = remove_rotate_side_textblock(
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- remain_text_blocks, page_width, page_height
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- ) # 去掉水印,非水平文字
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- remain_text_blocks, removed_empty_side_block = remove_side_blank_block(
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- remain_text_blocks, page_width, page_height
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- ) # 删除页面四周可能会留下的完全空白的textblock,这种block形成原因未知
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-
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- """出现在图片、表格上的文字块去掉,把层叠的图片单独分离出来,不参与layout的计算"""
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- (
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- image_bboxes,
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- table_bboxes,
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- equations_interline_bboxes,
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- equations_inline_bboxes,
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- remain_text_blocks,
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- text_block_on_image_removed,
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- images_overlap_backup,
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- interline_eq_temp_text_block,
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- ) = resolve_bbox_overlap_conflict(
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- image_bboxes,
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- table_bboxes,
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- equations_interline_bboxes,
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- equations_inline_bboxes,
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- remain_text_blocks,
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- )
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-
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- # """去掉footnote, 从文字和图片中"""
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- # # 通过模型识别到的footnote
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- # footnote_bboxes_by_model = parse_footnotes_by_model(page_id, page, model_output_json, md_bookname_save_path,
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- # debug_mode=debug_mode)
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- # # 通过规则识别到的footnote
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- # footnote_bboxes_by_rule = parse_footnotes_by_rule(remain_text_blocks, page_height, page_id)
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- """
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- ==================================================================================================================================
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- """
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- if debug_mode: # debugmode截图到本地
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- save_path = join_path(save_tmp_path, "md")
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-
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- # 把图、表、公式都进行截图,保存到存储上,返回图片路径作为内容
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- image_info, image_backup_info, table_info, inline_eq_info, interline_eq_info = (
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- txt_save_images_by_bboxes(
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- book_name,
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- page_id,
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- page,
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- save_path,
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- image_bboxes,
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- images_overlap_backup,
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- table_bboxes,
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- equations_inline_bboxes,
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- equations_interline_bboxes,
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- # 传入img_s3_client
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- img_s3_client,
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- )
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- ) # 只要表格和图片的截图
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-
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- """"以下进入到公式替换环节 """
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- char_level_text_blocks = page.get_text("rawdict", flags=fitz.TEXTFLAGS_TEXT)[
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- "blocks"
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- ]
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- remain_text_blocks = combine_chars_to_pymudict(
|
|
|
- remain_text_blocks, char_level_text_blocks
|
|
|
- ) # 合并chars
|
|
|
- remain_text_blocks = replace_equations_in_textblock(
|
|
|
- remain_text_blocks, inline_eq_info, interline_eq_info
|
|
|
- )
|
|
|
- remain_text_blocks = remove_citation_marker(
|
|
|
- remain_text_blocks
|
|
|
- ) # 公式替换之后去角标,防止公式无法替换成功。但是这样也会带来个问题就是把角标当公式。各有优劣。
|
|
|
- remain_text_blocks = remove_chars_in_text_blocks(
|
|
|
- remain_text_blocks
|
|
|
- ) # 减少中间态数据体积
|
|
|
- # debug_show_bbox(pdf_docs, page_id, [b['bbox'] for b in inline_eq_info], [b['bbox'] for b in interline_eq_info], [], join_path(save_path, book_name, f"{book_name}_debug.pdf"), 3)
|
|
|
-
|
|
|
- """去掉footnote, 从文字和图片中(先去角标再去footnote试试)"""
|
|
|
- # 通过模型识别到的footnote
|
|
|
- footnote_bboxes_by_model = parse_footnotes_by_model(
|
|
|
- page_id,
|
|
|
- page,
|
|
|
- model_output_json,
|
|
|
- md_bookname_save_path,
|
|
|
- debug_mode=debug_mode,
|
|
|
- )
|
|
|
- # 通过规则识别到的footnote
|
|
|
- footnote_bboxes_by_rule = parse_footnotes_by_rule(
|
|
|
- remain_text_blocks, page_height, page_id, main_text_font
|
|
|
- )
|
|
|
- """进入pdf过滤器,去掉一些不合理的pdf"""
|
|
|
- is_good_pdf, err = pdf_filter(
|
|
|
- page, remain_text_blocks, table_bboxes, image_bboxes
|
|
|
- )
|
|
|
- if not is_good_pdf:
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {err}"
|
|
|
- )
|
|
|
- if not debug_mode:
|
|
|
- return err
|
|
|
-
|
|
|
- """
|
|
|
- ==================================================================================================================================
|
|
|
- 进行版面布局切分和过滤
|
|
|
- """
|
|
|
- """在切分之前,先检查一下bbox是否有左右重叠的情况,如果有,那么就认为这个pdf暂时没有能力处理好,这种左右重叠的情况大概率是由于pdf里的行间公式、表格没有被正确识别出来造成的 """
|
|
|
-
|
|
|
- is_text_block_horz_overlap = check_text_block_horizontal_overlap(
|
|
|
- remain_text_blocks, header_bboxs, footer_bboxs
|
|
|
- )
|
|
|
-
|
|
|
- if is_text_block_horz_overlap:
|
|
|
- # debug_show_bbox(pdf_docs, page_id, [b['bbox'] for b in remain_text_blocks], [], [], join_path(save_path, book_name, f"{book_name}_debug.pdf"), 0)
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {DropReason.TEXT_BLCOK_HOR_OVERLAP}"
|
|
|
- )
|
|
|
- result = {
|
|
|
- "_need_drop": True,
|
|
|
- "_drop_reason": DropReason.TEXT_BLCOK_HOR_OVERLAP,
|
|
|
- }
|
|
|
- if not debug_mode:
|
|
|
- return result
|
|
|
-
|
|
|
- """统一格式化成一个数据结构用于计算layout"""
|
|
|
- page_y0 = 0 if len(header_bboxs) == 0 else max([b[3] for b in header_bboxs])
|
|
|
- page_y1 = (
|
|
|
- page_height if len(footer_bboxs) == 0 else min([b[1] for b in footer_bboxs])
|
|
|
- )
|
|
|
- left_x, right_x = get_side_boundry(
|
|
|
- removed_non_horz_text_block, page_width, page_height
|
|
|
- )
|
|
|
- page_boundry = [
|
|
|
- math.floor(left_x),
|
|
|
- page_y0 + 1,
|
|
|
- math.ceil(right_x),
|
|
|
- page_y1 - 1,
|
|
|
- ]
|
|
|
- # 返回的是一个数组,每个元素[x0, y0, x1, y1, block_content, idx_x, idx_y], 初始时候idx_x, idx_y都是None. 对于图片、公式来说,block_content是图片的地址, 对于段落来说,block_content是段落的内容
|
|
|
-
|
|
|
- all_bboxes = prepare_bboxes_for_layout_split(
|
|
|
- image_info,
|
|
|
- image_backup_info,
|
|
|
- table_info,
|
|
|
- inline_eq_info,
|
|
|
- interline_eq_info,
|
|
|
- remain_text_blocks,
|
|
|
- page_boundry,
|
|
|
- page,
|
|
|
- )
|
|
|
- # debug_show_bbox(pdf_docs, page_id, [], [], all_bboxes, join_path(save_path, book_name, f"{book_name}_debug.pdf"), 1)
|
|
|
- """page_y0, page_y1能够过滤掉页眉和页脚,不会算作layout内"""
|
|
|
- layout_bboxes, layout_tree = get_bboxes_layout(
|
|
|
- all_bboxes, page_boundry, page_id
|
|
|
- )
|
|
|
-
|
|
|
- if (
|
|
|
- len(remain_text_blocks) > 0
|
|
|
- and len(all_bboxes) > 0
|
|
|
- and len(layout_bboxes) == 0
|
|
|
- ):
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {DropReason.CAN_NOT_DETECT_PAGE_LAYOUT}"
|
|
|
- )
|
|
|
- result = {
|
|
|
- "_need_drop": True,
|
|
|
- "_drop_reason": DropReason.CAN_NOT_DETECT_PAGE_LAYOUT,
|
|
|
- }
|
|
|
- if not debug_mode:
|
|
|
- return result
|
|
|
-
|
|
|
- """以下去掉复杂的布局和超过2列的布局"""
|
|
|
- if any(
|
|
|
- [lay["layout_label"] == LAYOUT_UNPROC for lay in layout_bboxes]
|
|
|
- ): # 复杂的布局
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {DropReason.COMPLICATED_LAYOUT}"
|
|
|
- )
|
|
|
- result = {"_need_drop": True, "_drop_reason": DropReason.COMPLICATED_LAYOUT}
|
|
|
- if not debug_mode:
|
|
|
- return result
|
|
|
-
|
|
|
- layout_column_width = get_columns_cnt_of_layout(layout_tree)
|
|
|
- if layout_column_width > 2: # 去掉超过2列的布局pdf
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {DropReason.TOO_MANY_LAYOUT_COLUMNS}"
|
|
|
- )
|
|
|
- result = {
|
|
|
- "_need_drop": True,
|
|
|
- "_drop_reason": DropReason.TOO_MANY_LAYOUT_COLUMNS,
|
|
|
- "extra_info": {"column_cnt": layout_column_width},
|
|
|
- }
|
|
|
- if not debug_mode:
|
|
|
- return result
|
|
|
-
|
|
|
- """
|
|
|
- ==================================================================================================================================
|
|
|
- 构造出下游需要的数据结构
|
|
|
- """
|
|
|
- remain_text_blocks = (
|
|
|
- remain_text_blocks + interline_eq_temp_text_block
|
|
|
- ) # 把计算layout时候临时删除的行间公式再放回去,防止行间公式替换的时候丢失。
|
|
|
- removed_text_blocks = []
|
|
|
- removed_text_blocks.extend(removed_hdr_foot_txt_block)
|
|
|
- # removed_text_blocks.extend(removed_footnote_text_block)
|
|
|
- removed_text_blocks.extend(text_block_on_image_removed)
|
|
|
- removed_text_blocks.extend(removed_non_horz_text_block)
|
|
|
- removed_text_blocks.extend(removed_colored_narrow_strip_background_text_block)
|
|
|
-
|
|
|
- removed_images = []
|
|
|
- # removed_images.extend(footnote_imgs)
|
|
|
- removed_images.extend(removed_hdr_foot_img_block)
|
|
|
-
|
|
|
- images_backup = []
|
|
|
- images_backup.extend(image_backup_info)
|
|
|
- remain_text_blocks = escape_special_markdown_char(
|
|
|
- remain_text_blocks
|
|
|
- ) # 转义span里的text
|
|
|
- sorted_text_remain_text_block = sort_text_block(
|
|
|
- remain_text_blocks, layout_bboxes
|
|
|
- )
|
|
|
-
|
|
|
- footnote_bboxes_tmp = []
|
|
|
- footnote_bboxes_tmp.extend(footnote_bboxes_by_model)
|
|
|
- footnote_bboxes_tmp.extend(footnote_bboxes_by_rule)
|
|
|
-
|
|
|
- page_info = construct_page_component(
|
|
|
- page_id,
|
|
|
- image_info,
|
|
|
- table_info,
|
|
|
- sorted_text_remain_text_block,
|
|
|
- layout_bboxes,
|
|
|
- inline_eq_info,
|
|
|
- interline_eq_info,
|
|
|
- page.get_text("dict", flags=fitz.TEXTFLAGS_TEXT)["blocks"],
|
|
|
- removed_text_blocks=removed_text_blocks,
|
|
|
- removed_image_blocks=removed_images,
|
|
|
- images_backup=images_backup,
|
|
|
- droped_table_block=[],
|
|
|
- table_backup=[],
|
|
|
- layout_tree=layout_tree,
|
|
|
- page_w=page.rect.width,
|
|
|
- page_h=page.rect.height,
|
|
|
- footnote_bboxes_tmp=footnote_bboxes_tmp,
|
|
|
- )
|
|
|
-
|
|
|
- page_info["image_bboxes_with_caption"] = image_bboxes_with_caption # add by xr
|
|
|
- page_info["table_bboxes_with_caption"] = table_bboxes_with_caption
|
|
|
-
|
|
|
- page_info["bak_page_no_bboxes"] = page_no_bboxs
|
|
|
- page_info["bak_header_bboxes"] = header_bboxs
|
|
|
- page_info["bak_footer_bboxes"] = footer_bboxs
|
|
|
- page_info["bak_footer_note_bboxes"] = footnote_bboxes_tmp
|
|
|
-
|
|
|
- pdf_info_dict[f"page_{page_id}"] = page_info
|
|
|
-
|
|
|
- # end page for
|
|
|
-
|
|
|
- """计算后处理阶段耗时"""
|
|
|
- start_time = time.time()
|
|
|
-
|
|
|
- """
|
|
|
- ==================================================================================================================================
|
|
|
- 去掉页眉和页脚,这里需要用到一定的统计量,所以放到最后
|
|
|
- 页眉和页脚主要从文本box和图片box中去除,位于页面的四周。
|
|
|
- 下面函数会直接修改pdf_info_dict,从文字块中、图片中删除属于页眉页脚的内容,删除内容做相对应记录
|
|
|
- """
|
|
|
- # 去页眉页脚
|
|
|
- header, footer = drop_footer_header(
|
|
|
- pdf_info_dict
|
|
|
- ) # TODO: using header and footer boxes here !
|
|
|
-
|
|
|
- """对单个layout内footnote和他下面的所有textbbox合并"""
|
|
|
-
|
|
|
- for page_key, page_info in pdf_info_dict.items():
|
|
|
- page_info = merge_footnote_blocks(page_info, main_text_font)
|
|
|
- page_info = remove_footnote_blocks(page_info)
|
|
|
- pdf_info_dict[page_key] = page_info
|
|
|
-
|
|
|
- """进入pdf后置过滤器,去掉一些不合理的pdf"""
|
|
|
-
|
|
|
- i = 0
|
|
|
- for page_info in pdf_info_dict.values():
|
|
|
- is_good_pdf, err = pdf_post_filter(page_info)
|
|
|
- if not is_good_pdf:
|
|
|
- logger.warning(f"page_id: {i}, drop this pdf: {book_name}, reason: {err}")
|
|
|
- if not debug_mode:
|
|
|
- return err
|
|
|
- i += 1
|
|
|
-
|
|
|
- if debug_mode:
|
|
|
- params_file_save_path = join_path(
|
|
|
- save_tmp_path, "md", book_name, "preproc_out.json"
|
|
|
- )
|
|
|
- page_draw_rect_save_path = join_path(
|
|
|
- save_tmp_path, "md", book_name, "layout.pdf"
|
|
|
- )
|
|
|
- # dir_path = os.path.dirname(page_draw_rect_save_path)
|
|
|
- # if not os.path.exists(dir_path):
|
|
|
- # # 如果目录不存在,创建它
|
|
|
- # os.makedirs(dir_path)
|
|
|
-
|
|
|
- with open(params_file_save_path, "w", encoding="utf-8") as f:
|
|
|
- json.dump(pdf_info_dict, f, ensure_ascii=False, indent=4)
|
|
|
- # 先检测本地 page_draw_rect_save_path 是否存在,如果存在则删除
|
|
|
- if os.path.exists(page_draw_rect_save_path):
|
|
|
- os.remove(page_draw_rect_save_path)
|
|
|
- # 绘制bbox和layout到pdf
|
|
|
- draw_bbox_on_page(pdf_docs, pdf_info_dict, page_draw_rect_save_path)
|
|
|
- draw_layout_bbox_on_page(
|
|
|
- pdf_docs, pdf_info_dict, header, footer, page_draw_rect_save_path
|
|
|
- )
|
|
|
-
|
|
|
- if debug_mode:
|
|
|
- # 打印后处理阶段耗时
|
|
|
- logger.info(f"post_processing_time: {get_delta_time(start_time)}")
|
|
|
-
|
|
|
- """
|
|
|
- ==================================================================================================================================
|
|
|
- 进入段落处理-2阶段
|
|
|
- """
|
|
|
-
|
|
|
- # 处理行内文字间距较大问题
|
|
|
- pdf_info_dict = solve_inline_too_large_interval(pdf_info_dict)
|
|
|
-
|
|
|
- start_time = time.time()
|
|
|
-
|
|
|
- para_process_pipeline = ParaProcessPipeline()
|
|
|
-
|
|
|
- def _deal_with_text_exception(error_info):
|
|
|
- logger.warning(
|
|
|
- f"page_id: {page_id}, drop this pdf: {book_name}, reason: {error_info}"
|
|
|
- )
|
|
|
- if error_info == denseSingleLineBlockException_msg:
|
|
|
- logger.warning(
|
|
|
- f"Drop this pdf: {book_name}, reason: {DropReason.DENSE_SINGLE_LINE_BLOCK}"
|
|
|
- )
|
|
|
- result = {
|
|
|
- "_need_drop": True,
|
|
|
- "_drop_reason": DropReason.DENSE_SINGLE_LINE_BLOCK,
|
|
|
- }
|
|
|
- return result
|
|
|
- if error_info == titleDetectionException_msg:
|
|
|
- logger.warning(
|
|
|
- f"Drop this pdf: {book_name}, reason: {DropReason.TITLE_DETECTION_FAILED}"
|
|
|
- )
|
|
|
- result = {
|
|
|
- "_need_drop": True,
|
|
|
- "_drop_reason": DropReason.TITLE_DETECTION_FAILED,
|
|
|
- }
|
|
|
- return result
|
|
|
- elif error_info == titleLevelException_msg:
|
|
|
- logger.warning(
|
|
|
- f"Drop this pdf: {book_name}, reason: {DropReason.TITLE_LEVEL_FAILED}"
|
|
|
- )
|
|
|
- result = {"_need_drop": True, "_drop_reason": DropReason.TITLE_LEVEL_FAILED}
|
|
|
- return result
|
|
|
- elif error_info == paraSplitException_msg:
|
|
|
- logger.warning(
|
|
|
- f"Drop this pdf: {book_name}, reason: {DropReason.PARA_SPLIT_FAILED}"
|
|
|
- )
|
|
|
- result = {"_need_drop": True, "_drop_reason": DropReason.PARA_SPLIT_FAILED}
|
|
|
- return result
|
|
|
- elif error_info == paraMergeException_msg:
|
|
|
- logger.warning(
|
|
|
- f"Drop this pdf: {book_name}, reason: {DropReason.PARA_MERGE_FAILED}"
|
|
|
- )
|
|
|
- result = {"_need_drop": True, "_drop_reason": DropReason.PARA_MERGE_FAILED}
|
|
|
- return result
|
|
|
-
|
|
|
- if debug_mode:
|
|
|
- input_pdf_file = f"{pdf_local_path}.pdf"
|
|
|
- output_dir = f"{save_path}/{book_name}"
|
|
|
- output_pdf_file = f"{output_dir}/pdf_annos.pdf"
|
|
|
-
|
|
|
- """
|
|
|
- Call the para_process_pipeline function to process the pdf_info_dict.
|
|
|
-
|
|
|
- Parameters:
|
|
|
- para_debug_mode: str or None
|
|
|
- If para_debug_mode is None, the para_process_pipeline will not keep any intermediate results.
|
|
|
- If para_debug_mode is "simple", the para_process_pipeline will only keep the annos on the pdf and the final results as a json file.
|
|
|
- If para_debug_mode is "full", the para_process_pipeline will keep all the intermediate results generated during each step.
|
|
|
- """
|
|
|
- pdf_info_dict, error_info = para_process_pipeline.para_process_pipeline(
|
|
|
- pdf_info_dict,
|
|
|
- para_debug_mode="simple",
|
|
|
- input_pdf_path=input_pdf_file,
|
|
|
- output_pdf_path=output_pdf_file,
|
|
|
- )
|
|
|
- # 打印段落处理阶段耗时
|
|
|
- logger.info(f"para_process_time: {get_delta_time(start_time)}")
|
|
|
-
|
|
|
- # debug的时候不return drop信息
|
|
|
- if error_info is not None:
|
|
|
- _deal_with_text_exception(error_info)
|
|
|
- return pdf_info_dict
|
|
|
- else:
|
|
|
- pdf_info_dict, error_info = para_process_pipeline.para_process_pipeline(
|
|
|
- pdf_info_dict
|
|
|
- )
|
|
|
- if error_info is not None:
|
|
|
- return _deal_with_text_exception(error_info)
|
|
|
-
|
|
|
- return pdf_info_dict
|