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py-fpng-nb

Very fast .PNG image(24/32bpp) writer for Python.

Compared to typical PNG libraries, its compression is about 10-20x faster, while producing 10-50% larger files.

py-fpng-nb is a Python wrapper of fpng

Installation

pip install fpng

If installation fails, upgrade pip with python -m pip install --upgrade pip and try again.

Usage

with PIL

import fpng
from PIL import Image

# ...

img.save('file_path.png', 'FPNG')

with NDarray

n-dimensional arrays of NumPy, PyTorch, TensorFlow, JAX, and CuPy.

Must have 3 dimensions [height, width, channels] with RGB or RGBA format.

import fpng

# ...

png_bytes = fpng.from_ndarray(img_ndarray)

with open('file_path.png', 'wb') as f:
    f.write(png_bytes)

with OpenCV

import cv2
import fpng

# ...

png_bytes = fpng.from_cv2(img_mat)

with open('file_path.png', 'wb') as f:
    f.write(png_bytes)

Benchmark

Comparison with Pillow 11.0.0

Compressing photo

Photo x86_64 Photo x86_64
x86_64 AArch64(ARM64)

Compressing screenshot

Screenshot of Wikipedia

Screenshot x86_64 Screenshot x86_64
x86_64 AArch64(ARM64)

Metadata

Release files for fpng 0.1.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for fpng 0.1.0
File Size Uploaded
fpng-0.1.0.tar.gz 511.9 kB Details

Built distributions (wheels)

Table of built distributions (wheels) for fpng 0.1.0
File
fpng-0.1.0-cp312-abi3-win_amd64.whl CPython 3.12 abi3 Windows x86-64 Details
fpng-0.1.0-cp312-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.12 abi3 Linux glibc 2.17+ x86-64 Details
fpng-0.1.0-cp312-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl CPython 3.12 abi3 Linux glibc 2.17+ ARM64 Details
fpng-0.1.0-cp312-abi3-macosx_11_0_arm64.whl CPython 3.12 abi3 macOS 11.0+ ARM64 Details
fpng-0.1.0-cp312-abi3-macosx_10_14_x86_64.whl CPython 3.12 abi3 macOS 10.14+ x86-64 Details
fpng-0.1.0-cp311-cp311-win_amd64.whl CPython 3.11 CPython 3.11 Windows x86-64 Details
fpng-0.1.0-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.11 CPython 3.11 Linux glibc 2.17+ x86-64 Details
fpng-0.1.0-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl CPython 3.11 CPython 3.11 Linux glibc 2.17+ ARM64 Details
fpng-0.1.0-cp311-cp311-macosx_11_0_arm64.whl CPython 3.11 CPython 3.11 macOS 11.0+ ARM64 Details
fpng-0.1.0-cp311-cp311-macosx_10_14_x86_64.whl CPython 3.11 CPython 3.11 macOS 10.14+ x86-64 Details
fpng-0.1.0-cp310-cp310-win_amd64.whl CPython 3.10 CPython 3.10 Windows x86-64 Details
fpng-0.1.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.10 CPython 3.10 Linux glibc 2.17+ x86-64 Details
fpng-0.1.0-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl CPython 3.10 CPython 3.10 Linux glibc 2.17+ ARM64 Details
fpng-0.1.0-cp310-cp310-macosx_11_0_arm64.whl CPython 3.10 CPython 3.10 macOS 11.0+ ARM64 Details
fpng-0.1.0-cp310-cp310-macosx_10_14_x86_64.whl CPython 3.10 CPython 3.10 macOS 10.14+ x86-64 Details
fpng-0.1.0-cp39-cp39-win_amd64.whl CPython 3.9 CPython 3.9 Windows x86-64 Details
fpng-0.1.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.9 CPython 3.9 Linux glibc 2.17+ x86-64 Details
fpng-0.1.0-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl CPython 3.9 CPython 3.9 Linux glibc 2.17+ ARM64 Details
fpng-0.1.0-cp39-cp39-macosx_11_0_arm64.whl CPython 3.9 CPython 3.9 macOS 11.0+ ARM64 Details
fpng-0.1.0-cp39-cp39-macosx_10_14_x86_64.whl CPython 3.9 CPython 3.9 macOS 10.14+ x86-64 Details

Total release size: 2.2 MB

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