我对 python 和 PDFminer 很陌生,这对我来说有点复杂,我想要实现的是从 pdf 文件或幻灯片中提取每个页面的标题。
我的方法是获取每页文本行和字体大小的列表,然后我会选择最大的数字,因为幻灯片标题通常以较大的字体大小书写。
这是我目前所做的:
假设我想从这个 pdf 文件中获取第 8 页的标题。 File sample
这是第 8 页内容的样子:
这是获取每行所有页面字体大小的代码:
from pdfminer.high_level import extract_pages
from pdfminer.layout import LTTextContainer, LTChar,LTLine,LAParams
import os
path=r'cov.pdf'
Extract_Data=[]
for page_layout in extract_pages(path):
for element in page_layout:
if isinstance(element, LTTextContainer):
for text_line in element:
for character in text_line:
if isinstance(character, LTChar):
Font_size=character.size
Extract_Data.append([Font_size,(element.get_text())])
生成的列表Extract_Data
适用于pdf文档的所有页面。我的问题是如何为文档的每个页面(迭代)获取此列表?
仅对第 8 页的预期输出等等/然后如果我想选择页面标题,它将是字体大小值最高的项目(行):
[[32.039999999999964, 'Pandemic declaration \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0,
'• On March 11, 2020, the World Health Organization \n(WHO) characterized COVID-19 as a pandemic. \n \n• It has caused severe illness and death. It features \n \nsustained person-to-person spread worldwide. \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, '• It poses an especially high risk for the elderly (60 or \n \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0,
'older), people with preexisting health conditions such \nas high blood pressure, heart disease, lung disease, \n \ndiabetes, autoimmune disorders, and certain workers. \n \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[24.0, ' \n'],
[14.04, '8 \n']]