PDF manipulation - extract text/tables, create, merge/split, fill forms
PDF处理：提取文本表格、创建、合并/拆分、表单填写
from pypdf import PdfReader, PdfWriter
# 读取
reader = PdfReader("document.pdf")
print(f"Pages: {len(reader.pages)}")
# 提取文本
text = ""
for page in reader.pages:
text += page.extract_text()
# 合并
writer = PdfWriter()
for pdf_file in ["doc1.pdf", "doc2.pdf"]:
reader = PdfReader(pdf_file)
for page in reader.pages:
writer.add_page(page)
writer.write("merged.pdf")
import pdfplumber
# 提取文本
with pdfplumber.open("document.pdf") as pdf:
for page in pdf.pages:
text = page.extract_text()
# 提取表格
with pdfplumber.open("document.pdf") as pdf:
for page in pdf.pages:
tables = page.extract_tables()
from reportlab.lib.pagesizes import letter
from reportlab.pdfgen import canvas
c = canvas.Canvas("hello.pdf", pagesize=letter)
c.drawString(100, 750, "Hello World!")
c.save()
pdftotext -layout input.pdf output.txt # 保持布局
qpdf --empty --pages file1.pdf file2.pdf -- merged.pdf
qpdf input.pdf --rotate=+90:1 -- output.pdf
from pdf2image import convert_from_path
import pytesseract
images = convert_from_path('scanned.pdf')
for image in images:
text += pytesseract.image_to_string(image)
from pypdf import PdfReader, PdfWriter
watermark = PdfReader("watermark.pdf").pages[0]
reader = PdfReader("document.pdf")
writer = PdfWriter()
for page in reader.pages:
page.merge_page(watermark)
writer.add_page(page)
writer.encrypt("userpassword", "ownerpassword")
| 任务 | 工具 |
|---|---|
| 合并PDF | pypdf |
| 拆分PDF | pypdf |
| 提取文本 | pdfplumber |
| 提取表格 | pdfplumber |
| 创建PDF | reportlab |
| OCR | pytesseract |
Edit PDFs with natural-language instructions using the nano-pdf CLI.