Top system processes with color!

This commit is contained in:
JustinOros
2025-07-31 14:04:19 -07:00
parent b9ba73c1ef
commit 4ba77890d6
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#!/usr/bin/env python3
# Description: Displays top system processes with color.
# Usage: python3 color-top.py
# Author: Justin Oros
# Source: https://github.com/JustinOros
import os
import time
import psutil
import sys
import select
import socket
import argparse
GREEN = "\033[32m"
YELLOW = "\033[33m"
ORANGE = "\033[38;5;214m"
RED = "\033[31m"
RESET = "\033[0m"
def get_top_processes(limit):
processes = []
for proc in psutil.process_iter(['cpu_percent', 'name', 'username']):
try:
cpu = proc.info['cpu_percent']
if cpu is not None:
processes.append((cpu, proc.info['name'], proc.info['username']))
except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
continue
processes.sort(reverse=True, key=lambda p: p[0])
return processes[:limit]
def colorize(cpu, name, user):
color = GREEN if cpu <= 25 else YELLOW if cpu <= 50 else ORANGE if cpu <= 75 else RED
cpu_str = f"{cpu:.2f}%" # Displaying CPU usage with 2 decimal places
return f"{color}{cpu_str}, {name}, {user}{RESET}"
def print_processes(limit):
os.system('clear')
top_processes = get_top_processes(limit)
hostname = socket.gethostname()
header = f"Top {limit} Running Processes ({hostname}):"
print(header)
print("-" * len(header))
for idx, (cpu, name, user) in enumerate(top_processes, start=1):
print(colorize(cpu, name, user))
def main():
parser = argparse.ArgumentParser(description="Monitor system processes by CPU usage.")
parser.add_argument("-n", "--number", type=int, default=10, help="Number of processes to monitor (default is 10).")
args = parser.parse_args()
limit = args.number
try:
while True:
print_processes(limit)
time.sleep(1)
if sys.stdin in select.select([sys.stdin], [], [], 0)[0]:
input_char = sys.stdin.read(1)
if input_char.lower() == 'q':
print("Exiting...")
break
except KeyboardInterrupt:
print("\nProgram interrupted. Exiting...")
if __name__ == "__main__":
main()