Network Speed Monitor

 pip install speedtest-cli matplotlib tk

import speedtest

import tkinter as tk

from tkinter import ttk

import threading

import matplotlib.pyplot as plt

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg

# Function to test internet speed

def test_speed():

    st = speedtest.Speedtest()

    st.get_best_server()

    

    download_speed = round(st.download() / 1_000_000, 2)  # Convert to Mbps

    upload_speed = round(st.upload() / 1_000_000, 2)  # Convert to Mbps

    return download_speed, upload_speed

# Function to update the speed in GUI

def update_speed():

    global speeds_download, speeds_upload

    

    while True:

        download, upload = test_speed()

        speeds_download.append(download)

        speeds_upload.append(upload)

        lbl_download.config(text=f"Download Speed: {download} Mbps")

        lbl_upload.config(text=f"Upload Speed: {upload} Mbps")

        update_graph()

        root.update_idletasks()

# Function to update the speed graph

def update_graph():

    ax.clear()

    ax.plot(speeds_download, label="Download Speed (Mbps)", color="blue")

    ax.plot(speeds_upload, label="Upload Speed (Mbps)", color="red")

    

    ax.set_title("Network Speed Over Time")

    ax.set_xlabel("Test Count")

    ax.set_ylabel("Speed (Mbps)")

    ax.legend()

    ax.grid()

    canvas.draw()

# Tkinter GUI setup

root = tk.Tk()

root.title("Network Speed Monitor 🌐")

root.geometry("500x500")

lbl_title = tk.Label(root, text="📡 Network Speed Monitor", font=("Arial", 14, "bold"))

lbl_title.pack(pady=10)

lbl_download = tk.Label(root, text="Download Speed: -- Mbps", font=("Arial", 12))

lbl_download.pack(pady=5)

lbl_upload = tk.Label(root, text="Upload Speed: -- Mbps", font=("Arial", 12))

lbl_upload.pack(pady=5)

# Matplotlib graph setup

fig, ax = plt.subplots(figsize=(5, 3))

speeds_download = []

speeds_upload = []

canvas = FigureCanvasTkAgg(fig, master=root)

canvas.get_tk_widget().pack()

# Run speed test in a separate thread

threading.Thread(target=update_speed, daemon=True).start()

root.mainloop()