Build a Python desktop notifier

Creating a Python desktop notifier is straightforward using libraries like plyer or win10toast (for Windows). Below is a complete example using plyer, which supports cross-platform notifications (Windows, macOS, Linux).

python
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from plyer import notification
import time

def notify(title, message, duration=10):
    notification.notify(
        title=title,
        message=message,
        timeout=duration  # duration in seconds
    )

if __name__ == "__main__":
    notify("Reminder", "This is your desktop notification!", 5)
    # Keep the script alive for a while so notification shows
    time.sleep(6)

How this works:

• The plyer.notification.notify function triggers the desktop notification.

• title is the notification headline.

• message is the notification content.

• timeout defines how long the notification stays visible.

• The time.sleep is to keep the program alive long enough to show the notification before exiting.

Installation:

Run pip install plyer to install the library.

Alternative for Windows Only — win10toast:

python
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from win10toast import ToastNotifier
import time

toaster = ToastNotifier()
toaster.show_toast("Hello!", "This is a Windows notification.", duration=5)

# Keep script alive so notification is displayed
time.sleep(6)

Install with pip install win10toast.

This gives you a simple desktop notifier app in Python. Would you like a version with recurring notifications or GUI integration?