RadioPlayer/radioPlayer.py

#!/usr/bin/env python3
import os
import random
import subprocess
import time
import sys
from datetime import datetime

playlist_dir = "/home/user/playlists"
name_table_dir = "/home/user/mixes/name_table.txt"

rds_base = "Gramy: radio95 - {}"
rds_default_name = "Program Godzinny"
rds_path = "/home/user/RDS"
rds_rtp_data = "4,7,7,1,17"

def get_current_hour():
	return datetime.now().hour

def get_current_day():
	return datetime.now().strftime('%A').lower()

def load_dict_from_custom_format(file_path: str) -> dict:
	result_dict = {}
	with open(file_path, 'r') as file:
		for line in file:
			if line.strip() == "":
				continue
			key, value = line.split(':', 1)
			result_dict[key.strip()] = value.strip()
	return result_dict

def update_rds(track_name):
	try:
		name_table = load_dict_from_custom_format(name_table_dir)
		try:
			prt = rds_base.format(name_table[track_name])
		except KeyError as e:
			print("Unknown", e)
			prt = rds_base.format(rds_default_name)

		f = open(rds_path, "w")
		f.write(f"TEXT={prt}\r")

		try:
			f.write(f"RTP={rds_rtp_data},{len(str(name_table[track_name]))-1}\r")
		except KeyError:
			f.write(f"RTP={rds_rtp_data},{len(rds_default_name)-1}\r")
		f.close()
	except Exception as e:
		print(f"Error updating RDS: {e}")

def get_playlist_modification_time(playlist_path):
	try:
		return os.path.getmtime(playlist_path)
	except OSError:
		return 0

def load_playlist(playlist_path):
	try:
		with open(playlist_path, 'r') as f:
			tracks = [line.strip() for line in f.readlines() if line.strip()]
		return tracks
	except FileNotFoundError:
		print(f"Warning: Playlist not found: {playlist_path}")
		return []

def get_newest_track(tracks):
	if not tracks:
		return None
	
	newest_track = None
	newest_time = 0
	
	for track in tracks:
		track_path = os.path.expanduser(track)
		try:
			mod_time = os.path.getmtime(track_path)
			if mod_time > newest_time:
				newest_time = mod_time
				newest_track = track
		except OSError:
			continue
	
	return newest_track

def play_playlist(playlist_path, play_newest_first=False):
	last_modified_time = get_playlist_modification_time(playlist_path)
	tracks = load_playlist(playlist_path)
	if not tracks:
		print(f"No tracks found in {playlist_path}, checking again in 15 seconds...")
		time.sleep(15)
		return

	if play_newest_first:
		newest_track = get_newest_track(tracks)
		if newest_track:
			print(f"Playing newest track first: {os.path.basename(newest_track)}")
			tracks.remove(newest_track)
			random.shuffle(tracks)
			tracks.insert(0, newest_track)
	else:
		random.shuffle(tracks)

	for track in tracks:
		current_modified_time = get_playlist_modification_time(playlist_path)
		if current_modified_time > last_modified_time:
			print(f"Playlist {playlist_path} has been modified, reloading...")
			return

		current_hour = get_current_hour()
		current_day = get_current_day()
		morning_playlist_path = os.path.join(playlist_dir, current_day, 'morning')
		day_playlist_path = os.path.join(playlist_dir, current_day, 'day')
		night_playlist_path = os.path.join(playlist_dir, current_day, 'night')
		late_night_playlist_path = os.path.join(playlist_dir, current_day, 'late_night')

		if 10 <= current_hour < 20:
			if playlist_path != day_playlist_path:
				print("Time changed to day hours, switching playlist...")
				return
		elif 6 <= current_hour < 10:
			if playlist_path != morning_playlist_path:
				print("Time changed to morning hours, switching playlist...")
				return
		elif 0 <= current_hour < 6:
			if playlist_path != late_night_playlist_path:
				print("Time changed to late night hours, switching playlist...")
				return
		else:
			if playlist_path != night_playlist_path:
				print("Time changed to night hours, switching playlist...")
				return

		track_path = os.path.expanduser(track)
		track_name = os.path.basename(track_path)
		print(f"Now playing: {track_name}")
		update_rds(track_name)

		subprocess.run(['ffplay', '-nodisp', '-stats', '-hide_banner', '-autoexit', track_path])

def main():
	play_newest_first = len(sys.argv) > 1 and sys.argv[1].lower() == "n"
	
	if play_newest_first:
		print("Newest song will be played first")

	while True:
		current_hour = get_current_hour()
		current_day = get_current_day()

		morning_playlist = os.path.join(playlist_dir, current_day, 'morning')
		day_playlist = os.path.join(playlist_dir, current_day, 'day')
		night_playlist = os.path.join(playlist_dir, current_day, 'night')
		late_night_playlist = os.path.join(playlist_dir, current_day, 'late_night')

		morning_dir = os.path.dirname(morning_playlist)
		day_dir = os.path.dirname(day_playlist)
		night_dir = os.path.dirname(night_playlist)
		late_night_dir = os.path.dirname(late_night_playlist)

		if not os.path.exists(morning_dir):
			print(f"Creating directory: {morning_dir}")
			os.makedirs(morning_dir, exist_ok=True)
			
		if not os.path.exists(day_dir):
			print(f"Creating directory: {day_dir}")
			os.makedirs(day_dir, exist_ok=True)

		if not os.path.exists(night_dir):
			print(f"Creating directory: {night_dir}")
			os.makedirs(night_dir, exist_ok=True)

		if not os.path.exists(late_night_dir):
			print(f"Creating directory: {late_night_dir}")
			os.makedirs(late_night_dir, exist_ok=True)

		for playlist_path in [morning_playlist, day_playlist, night_playlist, late_night_playlist]:
			if not os.path.exists(playlist_path):
				print(f"Creating empty playlist: {playlist_path}")
				with open(playlist_path, 'w') as f:
					pass

		if 10 <= current_hour < 20:
			print(f"Playing {current_day} day playlist...")
			play_playlist(day_playlist, play_newest_first)
		elif 6 <= current_hour < 10:
			print(f"Playing {current_day} morning playlist...")
			play_playlist(morning_playlist, play_newest_first)
		elif 0 <= current_hour < 6:
			print(f"Playing {current_day} late_night playlist...")
			play_playlist(late_night_playlist, play_newest_first)
		else:
			print(f"Playing {current_day} night playlist...")
			play_playlist(night_playlist, play_newest_first)


if __name__ == '__main__':
	main()