PDF Watermark

PDF Watermark provides functionality for applying watermarks to PDF files. This library exclusively utilizes Python and Ghostscript.

Requirements

Linux

Debian

sudo apt-get update
sudo apt-get install ghostscript

gs --version

RedHat

sudo yum install ghostscript

gs --version

Windows

• Install GhostScript
• After installation, you need to set up the PATH environment variable to include the directory where Ghostscript is installed.

MacOS

brew install ghostscript

gs --version

Install

pip install git+https://github.com/Kesha123/pdf-watermark.git@v<latest-release-tag-number>

Use

Sync

from pdf_watermark.watermark import File

pdf_file_path = "/path/to/file.pdf"

file = File(file_path=pdf_file_path)
file.watermarking()

Async

import asyncio
from pdf_watermark.watermark import File

pdf_file_path = "/path/to/file.pdf"

file = File(file_path=pdf_file_path)
asyncio.run(file.watermarking_async())

#### Or ####

async def test_async() -> None:
    file = File(file_path=pdf_file_path)
    await file.watermarking_async()

def main() -> None:
    loop = asyncio.get_event_loop()
    loop.run_until_complete(asyncio.gather(
        test_async()
    ))
    loop.close()

if __name__ == '__main__':
    main()

File

Argument	Type	Default value	Description
file_path	str	None	Path to pdf file you want to apply watermark for

File.watermarking() & File.watermarking_async()

Argument	Type	Default value	Description
transparency	float	0.5	Watermark transparency level
text	str	'TOP SECRET'	Watermark text
font	str	Helvetica-Bold	Watermark font
output_file	str	None	Output file name

Ouput

.
├── test.pdf
└── wm_test.pdf

Calculations

X Axis Positioning