Building, convert images to WebP in a single command

convert_to_webp.py

import glob
import os

import click
from webptools import webplib as webp

@click.group()
def cli():
    pass


def replace_webp_ext(url: str):
    for x in ['jpg', 'jpeg', 'gif', 'png']:
        if url.lower().endswith('.' + x):
            ext = url.split('.')[-1]
            return url.replace('.' + ext, '.webp')
    return


@cli.command(name='dir')
@click.argument('abs_path', nargs=1, type=str)
def make_in_dir(abs_path):
    count = 0
    if abs_path.endswith('/'):
        abs_path = abs_path[:-1]
    
    files_grabbed = []
    for e in ('*.jpg', '*.png', '*.gif', '*.jpeg'):
        for x in glob.glob(abs_path + '/**/' + e):
            if not os.path.isfile(replace_webp_ext(x)):
                files_grabbed.append(x)

    for item in files_grabbed:
        click.echo('=> ' + item)
        count += 1
        # build webp
        webp_fn = replace_webp_ext(item)
        if item.endswith('gif'):
            webp.gifwebp(item, webp_fn, "-q 80")
        else:
            webp.cwebp(item, webp_fn, "-q 80")
        click.secho('OK', fg='green')
    click.secho('Processed %s items' % count, fg='green')


if __name__ == '__main__':
    cli()

requirements.txt

webptools
click