可以通过以下步骤实现:
import os
from PyPDF2 import PdfFileReader, PdfFileWriter
def merge_pdfs(input_paths, output_path):
pdf_writer = PdfFileWriter()
for path in input_paths:
with open(path, 'rb') as pdf_file:
pdf_reader = PdfFileReader(pdf_file)
for page_num in range(pdf_reader.getNumPages()):
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
with open(output_path, 'wb') as output_file:
pdf_writer.write(output_file)
def split_pdf(input_path, output_dir):
with open(input_path, 'rb') as pdf_file:
pdf_reader = PdfFileReader(pdf_file)
for page_num in range(pdf_reader.getNumPages()):
pdf_writer = PdfFileWriter()
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
output_path = os.path.join(output_dir, f'page_{page_num + 1}.pdf')
with open(output_path, 'wb') as output_file:
pdf_writer.write(output_file)
def extract_text(input_path):
with open(input_path, 'rb') as pdf_file:
pdf_reader = PdfFileReader(pdf_file)
text = ''
for page_num in range(pdf_reader.getNumPages()):
page = pdf_reader.getPage(page_num)
text += page.extract_text()
return text
def encrypt_pdf(input_path, output_path, password):
with open(input_path, 'rb') as pdf_file:
pdf_reader = PdfFileReader(pdf_file)
pdf_writer = PdfFileWriter()
for page_num in range(pdf_reader.getNumPages()):
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
pdf_writer.encrypt(password)
with open(output_path, 'wb') as output_file:
pdf_writer.write(output_file)
def decrypt_pdf(input_path, output_path, password):
with open(input_path, 'rb') as pdf_file:
pdf_reader = PdfFileReader(pdf_file)
if pdf_reader.isEncrypted:
pdf_reader.decrypt(password)
pdf_writer = PdfFileWriter()
for page_num in range(pdf_reader.getNumPages()):
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
with open(output_path, 'wb') as output_file:
pdf_writer.write(output_file)
# 合并多个PDF文件
input_paths = ['path/to/file1.pdf', 'path/to/file2.pdf', 'path/to/file3.pdf']
output_path = 'path/to/merged.pdf'
merge_pdfs(input_paths, output_path)
# 拆分PDF文件
input_path = 'path/to/file.pdf'
output_dir = 'path/to/output'
split_pdf(input_path, output_dir)
# 提取PDF文件中的文本
input_path = 'path/to/file.pdf'
text = extract_text(input_path)
print(text)
# 加密PDF文件
input_path = 'path/to/file.pdf'
output_path = 'path/to/encrypted.pdf'
password = 'password'
encrypt_pdf(input_path, output_path, password)
# 解密PDF文件
input_path = 'path/to/encrypted.pdf'
output_path = 'path/to/decrypted.pdf'
password = 'password'
decrypt_pdf(input_path, output_path, password)
以上是使用Python同时处理来自多个位置的多个PDF文件的方法。对于更复杂的PDF操作,可以使用其他库或工具来实现,如PDFMiner、ReportLab等。腾讯云提供了多种与PDF相关的产品和服务,具体可以参考腾讯云文档中的相关内容。
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