How to insert annotation into pdf with Python

Question

I want to add text or annotation in the exsting pdf file to interpret some key words.

At first I tried the pyPdf & reportlib to merge t he original pdf file & new generated interpretion pdf file, but it doesn't work. Because the original file keep out all the words of interpretation pdf and make new pdf file invisible. Don't know why? If I test to merge two new generated interpretion pdf file into one, it works well.

So I am thinking to try to use another way to insert just annotation into existing pdf file by python. Anybody have related experience can give me suggestion? Thanks!

possible duplicate of Add text to Existing PDF using Python

Caleb Hattingh
– Caleb Hattingh

2013-10-10 22:41:11 +00:00
Commented Oct 10, 2013 at 22:41 — Caleb Hattingh
– Caleb Hattingh, Commented Oct 10, 2013 at 22:41

Community · Accepted Answer · 2017-05-23 11:49:43Z

2

Adding a watermark to existing pdf using PyPDF certainly works for me:

template = PdfFileReader(file("template.pdf", "rb")) #template pdf
output=PdfFileWriter() #writer for the merged pdf
for i in range(new.getNumPages()):
    page=template.getPage(i)
    page.mergePage(new.getPage(i))
    output.addPage(page)

Read my other SO answer for reference.

Read my complete article to know more about pdf generation and merging in python.

edited May 23, 2017 at 11:49

CommunityBot

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answered Dec 6, 2013 at 7:50

Prahlad Yeri

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1 Comment

Nam G VU Over a year ago

the OP ask for inserting annotation and you answer with watermark...

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