修改函数:定义modify_pdf_creation_time函数,接收输入、输出路径和新的创建时间。 读取文件:使用PdfReader读取PDF文件。 复制内容:将文件的每一页添加到PdfWriter对象中。 修改元数据:通过add_metadata()方法添加新的创建时间。 保存文件:将修改后的内容写回到新文件中。 数据可视化 在处理PDF的过程中,我们可能需要了...
因此,你可以提取文本或添加/修改内容,即使相关的权限标志如 PDF_PERM_COPY、PDF_PERM_MODIFY、PDF_PERM_ANNOTATE 等已关闭!构建符合法律合规要求的应用程序,仍然是你的责任。 get_page_numbers(label, only_one=False) 新增于 v1.18.6 仅限PDF:返回具有指定标签的页面编号——请注意,标签在 PDF 中可能不是...
我们将使用PyPDF2读取PDF元数据,并利用它提供的功能进行修改。 importPyPDF2importdatetimedefmodify_pdf_timestamps(input_pdf,output_pdf,creation_time,modification_time):# 读取PDF文件withopen(input_pdf,'rb')asfile:reader=PyPDF2.PdfReader(file)writer=PyPDF2.PdfWriter()# 修改PDF内容和元数据forpagein...
Modify info 从一个pdf复制页面到另一个页面也可以一次性读写。 defmodify_doc_info(pdf_path,author,creator,producer,subject,title):pdf=PdfFileReader(pdf_path)pdf_writer=PdfFileWriter()pdf_writer.addMetadata({'/Author':author,'/Creator':creator,'/Producer':producer,'/Subject':subject,'/Title':tit...
1、自动化office，包括对excel、word、ppt、email、pdf等常用办公场景的操作，python都有对应的工具库，...
processed_files = []fordollar_iindollar_i_files:# Interpret file metadatafile_attribs = read_dollar_i(dollar_i[2])iffile_attribsisNone:continue# Invalid $I filefile_attribs['dollar_i_file'] = os.path.join('/$Recycle.bin', dollar_i[1][1:]) ...
pip install PyPDF2 After reading this tutorial, you will have complete knowledge of each function in PdfFileMerger class. Also, we will be demonstrating the examples for each function in PdfFileMerger class. Read: Create and modify PDF file in Python ...
Thealter.pyexample alters a single metadata item in a PDF, and writes the result to a new PDF. One difference is that, sincecatis creating a new PDF structure, andalteris attempting to modify an existing PDF structure, the PDF produced by alter (and also by watermark.py)shouldbe more ...
Fortunately, pip allows you to specify additional parameters within a requirements file, so you can modify requirements_dev.txt to also install the requirements from the production requirements.txt file:Python Requirements requirements_dev.txt
Version: If given, use the specified pdfium-binaries release. Otherwise, use the latest one. It is possible to prependprepared!to install with existing platform files instead of generating on the fly; the value will be used for metadata / file inclusion. This can be helpful when installing ...