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@jRimbault
Created April 9, 2024 13:01
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Lock swaywm with an xkcd comic
#!/usr/bin/env python3
"""Download random xkcd comic"""
import json
import random
import subprocess
import textwrap
from pathlib import Path
from urllib.request import urlopen, urlretrieve
def main():
url, title, alt, num = random_comic_url()
path = download_png(url, title, num)
alt = "\n".join(textwrap.wrap(alt))
path = insert_text(path, title, alt, num)
swaylock(path)
def swaylock(image):
return subprocess.run(
[
"swaylock",
"--ignore-empty-password",
"--show-failed-attempts",
"--daemonize",
"-i",
f"DP-1:{image}",
"-i",
"eDP-1:/home/jrimbault/Pictures/shape_surface_line-black.jpg",
"-s",
"center",
],
check=True,
)
def insert_text(image, title, alt, num):
xkcd_dir = Path.home().joinpath("Pictures", "xkcd", "with_text")
xkcd_dir.mkdir(exist_ok=True)
tmp = xkcd_dir.joinpath(f"{num:0>4} - {safe_path(title)}.png")
if tmp.exists():
return tmp
command = [
"convert",
"-size",
"1920x1080",
"xc:white",
image,
"-gravity",
"center",
"-gravity",
"center",
"-composite",
"-gravity",
"north",
"-pointsize",
"36",
"-annotate",
"+0+100",
title,
"-gravity",
"south",
"-pointsize",
"20",
"-annotate",
"+0+100",
alt,
tmp,
]
subprocess.run(command, check=True)
return tmp
def random_comic_url():
data = get_json("https://xkcd.com/info.0.json")
comic = random.randint(1, data["num"])
data = get_json(f"https://xkcd.com/{comic}/info.0.json")
return data["img"], data["title"], data["alt"], data["num"]
def get_json(url):
with urlopen(url) as r:
return json.load(r)
def safe_path(value):
return "".join(c for c in value if c.isalpha() or c.isdigit() or c == " ").rstrip()
def download_png(url, title, num):
xkcd_dir = Path.home().joinpath("Pictures", "xkcd")
xkcd_dir.mkdir(exist_ok=True)
xkcd = xkcd_dir.joinpath(f"{num:0>4} - {safe_path(title)}.png")
if xkcd.exists():
return xkcd
urlretrieve(url, xkcd)
return xkcd
if __name__ == "__main__":
main()
tle, num):
xkcd_dir = Path.home().joinpath("Pictures", "xkcd")
xkcd_dir.mkdir(exist_ok=True)
xkcd = xkcd_dir.joinpath(f"{num:0>4} - {safe_path(title)}.png")
if xkcd.exists():
return xkcd
urlretrieve(url, xkcd)
return xkcd
if __name__ == "__main__":
main()
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