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#!/usr/bin/env python
#
# wal - Generate and change colorschemes on the fly.
#
# Created by Dylan Araps
import argparse
import os
import pathlib
import subprocess
import re
from pathlib import Path
from os.path import expanduser
# Internal variables.
cache_dir = expanduser("~") + "/.cache/wal"
color_count = 16
os = os.uname
def get_args():
parser = argparse.ArgumentParser(description='wal - Generate colorschemes on the fly')
parser.add_argument('-a', help='Set terminal background transparency. *Only works in URxvt*', metavar='0-100', type=int)
parser.add_argument('-c', help='Delete all cached colorschemes.', action='store_true')
parser.add_argument('-f', help='Load colors directly from a colorscheme file.', metavar='"/path/to/colors"')
parser.add_argument('-i', help='Which image or directory to use.', metavar='"/path/to/img.jpg"')
parser.add_argument('-n', help='Skip setting the wallpaper.', action='store_true')
parser.add_argument('-o', help='External script to run after "wal".', metavar='script_name')
parser.add_argument('-q', help='Quiet mode, don\'t print anything.', action='store_true')
parser.add_argument('-r', help='Reload current colorscheme.', action='store_true')
parser.add_argument('-t', help='Fix artifacts in VTE Terminals. (Termite, xfce4-terminal)', action='store_true')
parser.add_argument('-x', help='Use extended 16-color palette.', action='store_true')
return parser.parse_args()
def get_colors(img):
image = Path(img)
if image.is_file():
colors = []
# Create colorscheme dir.
pathlib.Path(cache_dir + "/schemes").mkdir(parents=True, exist_ok=True)
cache_file = cache_dir + "/schemes/" + img.replace('/', '_')
# Cache the wallpaper name.
wal = open(cache_dir + "/wal", 'w')
wal.write(img)
wal.close()
# Long-ass imagemagick command.
magic = subprocess.Popen(["convert", img, "+dither", "-colors",
str(color_count), "-unique-colors", "txt:-"],
stdout=subprocess.PIPE,stderr=subprocess.PIPE)
# Create a list of hex colors.
for color in magic.stdout:
print(color)
hex = re.search('#.{6}', str(color))
if hex:
colors.append(hex.group(0))
# Remove the first element which isn't a color.
del colors[0]
# Cache the colorscheme.
scheme = open(cache_file, 'w')
for color in colors:
scheme.write(color + "\n")
scheme.close()
def main():
args = get_args()
get_colors(args.i)
return 0
main()
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