SmilePngquant

That is a bridge of pngquant for python3

What's new 1.1.1

• add default pngquant sdk path in constructor
• verify pngquant sdk path

Download

Find package

• https://pkgs.org/download/pngquant
• Ex: https://ubuntu.pkgs.org/20.04/ubuntu-universe-amd64/pngquant_2.12.2-1_amd64.deb.html
• This document will cover

Or build from github

git clone --recursive git://github.com/kornelski/pngquant.git
cd pngquant
make
sudo make install

Find

which pngquant

$ /usr/local/bin/pngquant

Check version

pngquant --version

$ 2.17.0 (September 2021)

Start to code

from smilepngquant.PNGQuant import PNGQuant

# initialize
smile    = PNGQuant()
or
smile    = PNGQuant('/usr/local/bin/pngquant')

*** by default the application located in /usr/local/bin/pngquant

*** it's able to set to another location via

smile.setPngQuant(path= '/home/winny/pngquant')

test a filename

quality value starts 20 to 100, and it's integer

smile.compress(
  filename  = '/home/winny/Download/kara.png'
  , quality = 80
)

verify before use

if smile.isError():
  print(f'Everything is okay, the file name is: {smile.getFilename()}')

else:
  print(f'{smile.getErrorMessage()}')

Options

• dirname: can be None set coy to a new directory for the new file

• newFilename: can be None set a new copy name

Both can set any value, or None, or one of them.

Let check the example:

Ex 1

smile.compress(
  filename      = '/home/winny/Download/kara.png'
  , quality     = 80
  # move to new directory
  , dirname     = '/home/winny/Document/'
  , newFilename = 'jojo'
)

Ex 2

smile.compress(
  filename      = '/home/winny/Download/kara.png'
  , quality     = 80
  # move to new directory
  , dirname     = '/home/winny/Document/'
)

Ex 3

smile.compress(
  filename      = '/home/winny/Download/kara.png'
  , quality     = 80
  # move to new directory
  , newFilename = 'jojo'
)

It is also available on https://pypi.org/project/smilepngquant
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