import os import re import time import uuid from typing import Any, Tuple, List from librespot.audio.decoders import AudioQuality from librespot.metadata import TrackId from ffmpy import FFmpeg from const import TRACKS, ALBUM, GENRES, NAME, ITEMS, DISC_NUMBER, TRACK_NUMBER, IS_PLAYABLE, ARTISTS, IMAGES, URL, \ RELEASE_DATE, ID, TRACKS_URL, SAVED_TRACKS_URL, TRACK_STATS_URL, CODEC_MAP, EXT_MAP, DURATION_MS, HREF from termoutput import Printer, PrintChannel from utils import fix_filename, set_audio_tags, set_music_thumbnail, create_download_directory, \ get_directory_song_ids, add_to_directory_song_ids, get_previously_downloaded, add_to_archive, fmt_seconds from zspotify import ZSpotify import traceback from loader import Loader def get_saved_tracks() -> list: """ Returns user's saved tracks """ songs = [] offset = 0 limit = 50 while True: resp = ZSpotify.invoke_url_with_params( SAVED_TRACKS_URL, limit=limit, offset=offset) offset += limit songs.extend(resp[ITEMS]) if len(resp[ITEMS]) < limit: break return songs def get_song_info(song_id) -> Tuple[List[str], List[Any], str, str, Any, Any, Any, Any, Any, Any, int]: """ Retrieves metadata for downloaded songs """ with Loader(PrintChannel.PROGRESS_INFO, "Fetching track information..."): (raw, info) = ZSpotify.invoke_url(f'{TRACKS_URL}?ids={song_id}&market=from_token') if not TRACKS in info: raise ValueError(f'Invalid response from TRACKS_URL:\n{raw}') try: artists = [] for data in info[TRACKS][0][ARTISTS]: artists.append(data[NAME]) album_name = info[TRACKS][0][ALBUM][NAME] name = info[TRACKS][0][NAME] image_url = info[TRACKS][0][ALBUM][IMAGES][0][URL] release_year = info[TRACKS][0][ALBUM][RELEASE_DATE].split('-')[0] disc_number = info[TRACKS][0][DISC_NUMBER] track_number = info[TRACKS][0][TRACK_NUMBER] scraped_song_id = info[TRACKS][0][ID] is_playable = info[TRACKS][0][IS_PLAYABLE] duration_ms = info[TRACKS][0][DURATION_MS] return artists, info[TRACKS][0][ARTISTS], album_name, name, image_url, release_year, disc_number, track_number, scraped_song_id, is_playable, duration_ms except Exception as e: raise ValueError(f'Failed to parse TRACKS_URL response: {str(e)}\n{raw}') def get_song_genres(rawartists: List[str], track_name: str) -> List[str]: try: genres = [] for data in rawartists: # query artist genres via href, which will be the api url with Loader(PrintChannel.PROGRESS_INFO, "Fetching artist information..."): (raw, artistInfo) = ZSpotify.invoke_url(f'{data[HREF]}') if ZSpotify.CONFIG.get_all_genres() and len(artistInfo[GENRES]) > 0: for genre in artistInfo[GENRES]: genres.append(genre) elif len(artistInfo[GENRES]) > 0: genres.append(artistInfo[GENRES][0]) if len(genres) == 0: Printer.print(PrintChannel.WARNINGS, '### No Genres found for song ' + track_name) genres.append('') return genres except Exception as e: raise ValueError(f'Failed to parse GENRES response: {str(e)}\n{raw}') def get_song_duration(song_id: str) -> float: """ Retrieves duration of song in second as is on spotify """ (raw, resp) = ZSpotify.invoke_url(f'{TRACK_STATS_URL}{song_id}') # get duration in miliseconds ms_duration = resp['duration_ms'] # convert to seconds duration = float(ms_duration)/1000 # debug # print(duration) # print(type(duration)) return duration # noinspection PyBroadException def download_track(mode: str, track_id: str, extra_keys=None, disable_progressbar=False) -> None: """ Downloads raw song audio from Spotify """ if extra_keys is None: extra_keys = {} prepare_download_loader = Loader(PrintChannel.PROGRESS_INFO, "Preparing download...") prepare_download_loader.start() try: output_template = ZSpotify.CONFIG.get_output(mode) (artists, raw_artists, album_name, name, image_url, release_year, disc_number, track_number, scraped_song_id, is_playable, duration_ms) = get_song_info(track_id) song_name = fix_filename(artists[0]) + ' - ' + fix_filename(name) for k in extra_keys: output_template = output_template.replace("{"+k+"}", fix_filename(extra_keys[k])) ext = EXT_MAP.get(ZSpotify.CONFIG.get_download_format().lower()) output_template = output_template.replace("{artist}", fix_filename(artists[0])) output_template = output_template.replace("{album}", fix_filename(album_name)) output_template = output_template.replace("{song_name}", fix_filename(name)) output_template = output_template.replace("{release_year}", fix_filename(release_year)) output_template = output_template.replace("{disc_number}", fix_filename(disc_number)) output_template = output_template.replace("{track_number}", fix_filename(track_number)) output_template = output_template.replace("{id}", fix_filename(scraped_song_id)) output_template = output_template.replace("{track_id}", fix_filename(track_id)) output_template = output_template.replace("{ext}", ext) filename = os.path.join(ZSpotify.CONFIG.get_root_path(), output_template) filedir = os.path.dirname(filename) filename_temp = filename if ZSpotify.CONFIG.get_temp_download_dir() != '': filename_temp = os.path.join(ZSpotify.CONFIG.get_temp_download_dir(), f'zspotify_{str(uuid.uuid4())}_{track_id}.{ext}') check_name = os.path.isfile(filename) and os.path.getsize(filename) check_id = scraped_song_id in get_directory_song_ids(filedir) check_all_time = scraped_song_id in get_previously_downloaded() # a song with the same name is installed if not check_id and check_name: c = len([file for file in os.listdir(filedir) if re.search(f'^{filename}_', str(file))]) + 1 fname = os.path.splitext(os.path.basename(filename))[0] ext = os.path.splitext(os.path.basename(filename))[1] filename = os.path.join(filedir, f'{fname}_{c}{ext}') except Exception as e: Printer.print(PrintChannel.ERRORS, '### SKIPPING SONG - FAILED TO QUERY METADATA ###') Printer.print(PrintChannel.ERRORS, 'Track_ID: ' + str(track_id)) for k in extra_keys: Printer.print(PrintChannel.ERRORS, k + ': ' + str(extra_keys[k])) Printer.print(PrintChannel.ERRORS, "\n") Printer.print(PrintChannel.ERRORS, str(e) + "\n") Printer.print(PrintChannel.ERRORS, "".join(traceback.TracebackException.from_exception(e).format()) + "\n") else: try: if not is_playable: prepare_download_loader.stop() Printer.print(PrintChannel.SKIPS, '\n### SKIPPING: ' + song_name + ' (SONG IS UNAVAILABLE) ###' + "\n") else: if check_id and check_name and ZSpotify.CONFIG.get_skip_existing_files(): prepare_download_loader.stop() Printer.print(PrintChannel.SKIPS, '\n### SKIPPING: ' + song_name + ' (SONG ALREADY EXISTS) ###' + "\n") elif check_all_time and ZSpotify.CONFIG.get_skip_previously_downloaded(): prepare_download_loader.stop() Printer.print(PrintChannel.SKIPS, '\n### SKIPPING: ' + song_name + ' (SONG ALREADY DOWNLOADED ONCE) ###' + "\n") else: if track_id != scraped_song_id: track_id = scraped_song_id track_id = TrackId.from_base62(track_id) stream = ZSpotify.get_content_stream(track_id, ZSpotify.DOWNLOAD_QUALITY) create_download_directory(filedir) total_size = stream.input_stream.size prepare_download_loader.stop() time_start = time.time() downloaded = 0 with open(filename_temp, 'wb') as file, Printer.progress( desc=song_name, total=total_size, unit='B', unit_scale=True, unit_divisor=1024, disable=disable_progressbar ) as p_bar: for _ in range(int(total_size / ZSpotify.CONFIG.get_chunk_size()) + 1): data = stream.input_stream.stream().read(ZSpotify.CONFIG.get_chunk_size()) p_bar.update(file.write(data)) downloaded += len(data) if ZSpotify.CONFIG.get_download_real_time(): delta_real = time.time() - time_start delta_want = (downloaded / total_size) * (duration_ms/1000) if delta_want > delta_real: time.sleep(delta_want - delta_real) time_downloaded = time.time() genres = get_song_genres(raw_artists, name) convert_audio_format(filename_temp) set_audio_tags(filename_temp, artists, genres, name, album_name, release_year, disc_number, track_number) set_music_thumbnail(filename_temp, image_url) if filename_temp != filename: os.rename(filename_temp, filename) time_finished = time.time() Printer.print(PrintChannel.DOWNLOADS, f'### Downloaded "{song_name}" to "{os.path.relpath(filename, ZSpotify.CONFIG.get_root_path())}" in {fmt_seconds(time_downloaded - time_start)} (plus {fmt_seconds(time_finished - time_downloaded)} converting) ###' + "\n") # add song id to archive file if ZSpotify.CONFIG.get_skip_previously_downloaded(): add_to_archive(scraped_song_id, os.path.basename(filename), artists[0], name) # add song id to download directory's .song_ids file if not check_id: add_to_directory_song_ids(filedir, scraped_song_id, os.path.basename(filename), artists[0], name) if not ZSpotify.CONFIG.get_anti_ban_wait_time(): time.sleep(ZSpotify.CONFIG.get_anti_ban_wait_time()) except Exception as e: Printer.print(PrintChannel.ERRORS, '### SKIPPING: ' + song_name + ' (GENERAL DOWNLOAD ERROR) ###') Printer.print(PrintChannel.ERRORS, 'Track_ID: ' + str(track_id)) for k in extra_keys: Printer.print(PrintChannel.ERRORS, k + ': ' + str(extra_keys[k])) Printer.print(PrintChannel.ERRORS, "\n") Printer.print(PrintChannel.ERRORS, str(e) + "\n") Printer.print(PrintChannel.ERRORS, "".join(traceback.TracebackException.from_exception(e).format()) + "\n") if os.path.exists(filename_temp): os.remove(filename_temp) prepare_download_loader.stop() def convert_audio_format(filename) -> None: """ Converts raw audio into playable file """ temp_filename = f'{os.path.splitext(filename)[0]}.tmp' os.replace(filename, temp_filename) download_format = ZSpotify.CONFIG.get_download_format().lower() file_codec = CODEC_MAP.get(download_format, 'copy') if file_codec != 'copy': bitrate = ZSpotify.CONFIG.get_bitrate() if not bitrate: if ZSpotify.DOWNLOAD_QUALITY == AudioQuality.VERY_HIGH: bitrate = '320k' else: bitrate = '160k' else: bitrate = None output_params = ['-c:a', file_codec] if bitrate: output_params += ['-b:a', bitrate] ff_m = FFmpeg( global_options=['-y', '-hide_banner', '-loglevel error'], inputs={temp_filename: None}, outputs={filename: output_params} ) with Loader(PrintChannel.PROGRESS_INFO, "Converting file..."): ff_m.run() if os.path.exists(temp_filename): os.remove(temp_filename)