myip

#!/usr/bin/env python3
"""Print your local network IP V4 address and write it to the system clipboard.

Usage:

  myip

author: andreasl
"""

import os
import shutil
import socket
import subprocess

# Ask the kernel which source address it would pick to reach the outside world.
# Connecting a UDP socket sends no packets; it only performs a route lookup.
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
    sock.connect(("1.1.1.1", 53))
    ip_addr = sock.getsockname()[0]

print(ip_addr)

if shutil.which("pbcopy"):
    clip_cmd = ["pbcopy"]
elif shutil.which("xclip") and os.environ.get("DISPLAY"):
    clip_cmd = ["xclip", "-selection", "clipboard"]
else:
    msg = "No clipboard application set!"
    raise RuntimeError(msg)

# Set stdout to DEVNULL in order to keep `xclip`, which forks and keeps running to
# own the selection, from holding our stdout open and making the script hang.
subprocess.run(
    clip_cmd,
    input=ip_addr,
    text=True,
    check=True,
    stdout=subprocess.DEVNULL,
)