Lazy i3 statusbar

i3_status.py

#!/usr/bin/env python3

import json, time, subprocess
from datetime import datetime

# Dependencies
import psutil
import netifaces

print('{"version": 1}')
print('[')
print('[],')

def line(colour, text):
    # Nano likes to syntax highlight '#' (d 35) wherever it appears. This annoys me. A lot.
    return {"color": chr(35) + colour, "full_text": text}

while True:
    out = [
        line("33DDDD", "{:.2f}/{:.2f}".format(
            psutil.virtual_memory().active/(1024**3),
            psutil.virtual_memory().total/(1024**3),
            )),
        line("4444DD", "CPU: " + ", ".join("{:2.0f}".format(x) for x in psutil.cpu_percent(percpu=True) )),
        line("4444DD", ", ".join("{:+2.0f}".format(x.current) for x in psutil.sensors_temperatures()["coretemp"] )),
        ]
    power = psutil.sensors_battery()
    if power:
        if int(power.secsleft) <= 0:
            time_text = "∞"*power.power_plugged or "-"
        else:
            m,s = divmod(power.secsleft, 60)
            h,m = divmod(m, 60)
            time_text = "{}h {}m {}s".format(h, m, s)
        out.extend([
            line("33DDDD", "{:2.0f}{}".format(power.percent, "+"*power.power_plugged or "-")),
            line("33DDDD", time_text),
            ])
    else:
        out.extend([
            line("33DDDD", "-"),
            line("33DDDD", "-"),
            ])
    ssid = None
    try:
        ssid = subprocess.check_output(["iwgetid", "-r"]).rstrip()
    except subprocess.CalledProcessError as e:
        pass

    for i in netifaces.interfaces():
        if i=="lo": continue
        addrs = netifaces.ifaddresses(i)
        if netifaces.AF_INET not in addrs and not netifaces.AF_INET6 in addrs: continue
        t = "/".join([a["addr"] for a in addrs.get(netifaces.AF_INET, [])])
        fl = "6" * (netifaces.AF_INET6 in addrs)
        if fl: fl = " +" + fl
        out.append(line("4444DD", "{}: {}{}".format(i, t, fl)))

    if ssid: out.append(line("4444DD", ssid.decode("utf8")))

    out.append(line("F2FFFF", datetime.now().strftime("%F T %T")))

    print(json.dumps(out) + ",")
    time.sleep(1)

i3config

bar {
  status_command ~/bin/i3_status.py
  separator_symbol "/"

  strip_workspace_numbers yes
  font pango:monospace 8
}