Skips Spotify tracks played less than 2h ago

spotify-skipper.py

#!/usr/bin/env python3

import gi
gi.require_version( "Playerctl", "1.0" )
from gi.repository import Playerctl, GLib
import time, sys

player = Playerctl.Player()


interval = 7200
if len( sys.argv ) > 1:
	try:
		interval = float( sys.argv[1] )
	except ValueError:
		print( "Usage: spotify-skipper [min-interval (sec)]" );
		sys.exit( 1 )
	
# The list of tracks already played
# track: timestamp
history = {}

# Decides whether the track should be skipped
def should_skip( title ):
	if title in history:
		return time.time( ) - history[title] > 10
	else:
		history[title] = time.time( )
		return False
	
# Removes tracks played more than 2h ago from history	
def remove_old( ):
	for title in history:
		if time.time( ) - history[title] > interval:
			history.remove( title );
	
# Callback on track change
def on_track_change( player, e ):
	remove_old( );
	title = player.get_artist( ) + " - " + player.get_title( );
	if should_skip( title ):
		print( "Skipping '{}', because it was last played {:.2f} minutes ago".format( title, ( time.time( ) - history[title] ) / 60 ) )
		player.next( )
	else:
		print( "Now playing '{}'".format( title ) )
		

player.on( 'metadata', on_track_change )
GLib.MainLoop( ).run( )