117 lines
4.7 KiB
Python
117 lines
4.7 KiB
Python
import os
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from docx.opc.exceptions import PackageNotFoundError
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from io import BytesIO
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from PyPDF2 import PdfReader, PdfWriter
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from docx import Document
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from reportlab.pdfgen import canvas
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from reportlab.lib.units import cm
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import copy
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#复制input_pdf_path的内容到invalid_added.pdf 这一步可能报错!绘制新的一页基本不会报错
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def insert_mark(input_pdf_path):
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try:
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# 构建输出文件路径,与输入文件同目录,名称为 invalid_added.pdf
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input_dir = os.path.dirname(input_pdf_path)
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output_pdf_path = os.path.join(input_dir, "invalid_added.pdf")
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# 打开输入的PDF文件
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with open(input_pdf_path, 'rb') as file:
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pdf_reader = PdfReader(file)
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pdf_writer = PdfWriter()
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total_pages = len(pdf_reader.pages)
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# 遍历每一页
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for page_num in range(total_pages):
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# 添加原始页面
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page = pdf_reader.pages[page_num]
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pdf_writer.add_page(page)
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# 使用 BytesIO 的上下文管理器创建内存中的 PDF 页面用于标记
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with BytesIO() as packet:
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# 获取当前页面的宽度和高度
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page_width = float(page.mediabox.width)
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page_height = float(page.mediabox.height)
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# 使用 reportlab 创建一个新的 PDF 页面,页面大小与当前页面相同
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c = canvas.Canvas(packet, pagesize=(page_width, page_height))
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# 计算文本位置:距左边距 2.3cm,距顶部 0.5cm
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x_position = 2.3 * cm
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y_position = page_height - 0.5 * cm
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c.setFont("Helvetica", 12)
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c.drawString(x_position, y_position, f"[$$index_mark_{page_num + 1}$$]")
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# 完成绘制,将内容写入 BytesIO 流
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c.save()
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# 重置流位置,读取刚刚生成的 PDF 页面
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packet.seek(0)
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new_pdf = PdfReader(packet)
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# 使用 deepcopy 确保页面对象独立,避免后续修改影响已添加页面
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blank_page = copy.deepcopy(new_pdf.pages[0])
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pdf_writer.add_page(blank_page)
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# 将所有页面写入输出的PDF文件
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with open(output_pdf_path, 'wb') as output_file:
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pdf_writer.write(output_file)
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print("invalid_file added successfully!")
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return output_pdf_path
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except Exception as e:
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print(f"发生错误: {e}")
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return input_pdf_path
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def delete_mark(docx_path):
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"""
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删除文档中包含标记文本 "[$$index_mark_" 的段落,
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如果该段落后紧跟一个包含 "w:sectPr" 的空白分节符段落,也一并删除。
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修改后的文档保存为 invalid_del.docx,并返回新文件路径。
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"""
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if not docx_path:
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print("Invalid input: docx_path is None or empty.")
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return ""
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try:
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doc = Document(docx_path)
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except KeyError as e:
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print(f"Error opening document: {e}")
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return ""
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except PackageNotFoundError as e:
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print(f"Invalid package: {e}")
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return ""
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# 收集所有需要删除的段落,避免在遍历时直接修改列表
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paragraphs_to_remove = []
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paragraphs = doc.paragraphs
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i = 0
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while i < len(paragraphs):
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para = paragraphs[i]
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if "[$$index_mark_" in para.text:
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paragraphs_to_remove.append(para)
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# 如果当前段落后面有段落且该段落的 XML 中包含 "w:sectPr",也删除该段落
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if i + 1 < len(paragraphs):
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next_para = paragraphs[i + 1]
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if "w:sectPr" in next_para._element.xml:
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paragraphs_to_remove.append(next_para)
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i += 1 # 跳过下一个段落,避免重复处理
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i += 1
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# 从文档 XML 中移除收集到的段落
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for para in paragraphs_to_remove:
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parent = para._element.getparent()
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if parent is not None:
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parent.remove(para._element)
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new_file_path = os.path.join(os.path.dirname(docx_path), 'invalid_del.docx')
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doc.save(new_file_path)
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return new_file_path
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if __name__ == '__main__':
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# input=r'C:\Users\Administrator\Desktop\fsdownload\0bb9cf31-280c-4d96-bc21-0871ee7fd6df\tmp\ztbfile.pdf'
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# input=r'C:\Users\Administrator\Desktop\fsdownload\45645668-be5e-4124-b06a-6abaa9d87d86\tmp\ztbfile_invalid.pdf'
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# output=insert_mark(input)
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doc_path = r'C:\Users\Administrator\Desktop\fsdownload\bf0346dc-8711-43f5-839e-e4076acea84a\invalid_added.docx'
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res=delete_mark(doc_path)
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if not res:
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print("yes") |