帮我写一个python代码,利用Python实现Word文档与PDF文档的格式转化 (提取PDF文本内容),实现PDF文件的合并、拆分,PDF页面旋转已经PDF页面增加水印,请写在一个python文件中
时间: 2023-06-03 13:08:02 浏览: 48
好的,我了解您的需求,以下是一份实现您所述功能的Python代码:
```
import os
import PyPDF2
import docx
from docx.enum.text import WD_ALIGN_PARAGRAPH
# PDF to Text
def pdf_to_text(pdf_path):
pdf_file = open(pdf_path, 'rb')
pdf_reader = PyPDF2.PdfFileReader(pdf_file)
text = []
for page_num in range(pdf_reader.numPages):
page = pdf_reader.getPage(page_num)
page_text = page.extractText()
text.append(page_text)
pdf_file.close()
return '\n'.join(text)
# PDF Merge
def pdf_merge(input_dir, output_path):
pdf_writer = PyPDF2.PdfFileWriter()
for filename in os.listdir(input_dir):
if filename.endswith('.pdf'):
filepath = os.path.join(input_dir, filename)
pdf_reader = PyPDF2.PdfFileReader(filepath)
for page_num in range(pdf_reader.numPages):
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
output_file = open(output_path, 'wb')
pdf_writer.write(output_file)
output_file.close()
# PDF Split
def pdf_split(input_path, output_dir):
pdf_file = open(input_path, 'rb')
pdf_reader = PyPDF2.PdfFileReader(pdf_file)
for page_num in range(pdf_reader.numPages):
output_path = os.path.join(output_dir, f'{page_num+1}.pdf')
pdf_writer = PyPDF2.PdfFileWriter()
page = pdf_reader.getPage(page_num)
pdf_writer.addPage(page)
output_file = open(output_path, 'wb')
pdf_writer.write(output_file)
output_file.close()
pdf_file.close()
# PDF Page Rotate
def pdf_rotate(input_path, output_path, rotation_degree):
pdf_file = open(input_path, 'rb')
pdf_reader = PyPDF2.PdfFileReader(pdf_file)
pdf_writer = PyPDF2.PdfFileWriter()
for page_num in range(pdf_reader.numPages):
page = pdf_reader.getPage(page_num)
page.rotateClockwise(rotation_degree)
pdf_writer.addPage(page)
output_file = open(output_path, 'wb')
pdf_writer.write(output_file)
output_file.close()
pdf_file.close()
# PDF Watermark
def pdf_watermark(input_path, output_path, watermark_text):
pdf_file = open(input_path, 'rb')
pdf_reader = PyPDF2.PdfFileReader(pdf_file)
pdf_writer = PyPDF2.PdfFileWriter()
watermark = PyPDF2.PdfFileReader(open('watermark.pdf', 'rb')).getPage(0)
for page_num in range(pdf_reader.numPages):
page = pdf_reader.getPage(page_num)
page.mergePage(watermark)
pdf_writer.addPage(page)
pdf_writer.write(open(output_path, 'wb'))
pdf_file.close()
# Word to PDF
def docx_to_pdf(input_path, output_path):
docx_file = docx.Document(input_path)
pdf_file = open(output_path, 'wb')
pdf_writer = PyPDF2.PdfFileWriter()
for docx_element in docx_file.element.body:
if docx_element.tag.endswith('p'):
paragraph = docx_element.xpath('.//w:t')
text = ''.join(node.text for node in paragraph)
pdf_writer.addPage(PyPDF2.pdf.PageObject.createBlankPage(None, 612, 792))
pdf_writer.addBookmark(text, 0, parent=None)
pdf_writer.write(pdf_file)
pdf_file.close()
# Test
if __name__ == '__main__':
# PDF to Text
pdf_text = pdf_to_text('example.pdf')
print(pdf_text)
# PDF Merge
pdf_merge('input_dir', 'output.pdf')
# PDF Split
pdf_split('example.pdf', 'output_dir')
# PDF Page Rotate
pdf_rotate('example.pdf', 'output.pdf', 90)
# PDF Watermark
pdf_watermark('example.pdf', 'output.pdf', 'watermark_text')
# Word to PDF
docx_to_pdf('example.docx', 'output.pdf')
```
您可以根据自己需要在代码中调用相应的函数来实现对应的功能。注意,PDF水印需要提前生成一个名为"watermark.pdf"的文件,并将其放置在脚本所在的文件夹中。