A script to remind how time flies.

life_is_short.py

#!/usr/bin/env python3
from calendar import isleap
from datetime import datetime
from subprocess import Popen

NOW = datetime.now()
YEAR = NOW.year
FIRST_DAY = datetime(YEAR, 1, 1)
DAY_DIFF = (NOW - FIRST_DAY).days + 1
DAY_COUNT = 366 if isleap(YEAR) else 365
Popen(
    [
        "zenity",
        "--list",
        "--column=",
        "--title=Life is short",
        "--width=300",
        "--height=500",
        "--display=:0.0",
        f"""今日是 {NOW.strftime("%Y-%m-%d")}""",
        f"""{YEAR} 年第 {DAY_DIFF} 天""",
        f"""已过去 {DAY_DIFF / DAY_COUNT:.1%}""",
        f"""还剩 {DAY_COUNT - DAY_DIFF} 天""",
    ]
)