Merge pull request #219 from leonbohmann/dev-genre-tags

Added querying of genres of each track

zspotify/config.py

@@ -25,7 +25,10 @@ PRINT_SKIPS = 'PRINT_SKIPS'
 PRINT_DOWNLOAD_PROGRESS = 'PRINT_DOWNLOAD_PROGRESS'
 PRINT_ERRORS = 'PRINT_ERRORS'
 PRINT_DOWNLOADS = 'PRINT_DOWNLOADS'
+PRINT_API_ERRORS = 'PRINT_API_ERRORS'
 TEMP_DOWNLOAD_DIR = 'TEMP_DOWNLOAD_DIR'
+MD_ALLGENRES = 'MD_ALLGENRES'
+MD_GENREDELIMITER = 'MD_GENREDELIMITER'
 
 CONFIG_VALUES = {
     ROOT_PATH:                  { 'default': '../ZSpotify Music/',    'type': str,  'arg': '--root-path'                  },
@@ -49,7 +52,10 @@ CONFIG_VALUES = {
     PRINT_DOWNLOAD_PROGRESS:    { 'default': 'True',                  'type': bool, 'arg': '--print-download-progress'    },
     PRINT_ERRORS:               { 'default': 'True',                  'type': bool, 'arg': '--print-errors'               },
     PRINT_DOWNLOADS:            { 'default': 'False',                 'type': bool, 'arg': '--print-downloads'            },
-    TEMP_DOWNLOAD_DIR:          { 'default': '',                      'type': str,  'arg': '--temp-download-dir'          },
+    PRINT_API_ERRORS:           { 'default': 'False',                 'type': bool, 'arg': '--print-api-errors'            },
+    MD_ALLGENRES:               { 'default': 'False',                 'type': bool, 'arg': '--md-allgenres'               },
+    MD_GENREDELIMITER:          { 'default': ';',                     'type': str,  'arg': '--md-genredelimiter'          },
+    TEMP_DOWNLOAD_DIR:          { 'default': '',                      'type': str,  'arg': '--temp-download-dir'          }
 }
 
 OUTPUT_DEFAULT_PLAYLIST = '{playlist}/{artist} - {song_name}.{ext}'
@@ -193,6 +199,14 @@ class Config:
             return ''
         return os.path.join(cls.get_root_path(), cls.get(TEMP_DOWNLOAD_DIR))
     
+    @classmethod
+    def get_allGenres(cls) -> bool:
+        return cls.get(MD_ALLGENRES)
+
+    @classmethod
+    def get_allGenresDelimiter(cls) -> bool:
+        return cls.get(MD_GENREDELIMITER)
+    
     @classmethod
     def get_output(cls, mode: str) -> str:
         v = cls.get(OUTPUT)

zspotify/const.py

@@ -20,6 +20,10 @@ ARTISTS = 'artists'
 
 ALBUMARTIST = 'albumartist'
 
+GENRES = 'genres'
+
+GENRE = 'genre'
+
 ARTWORK = 'artwork'
 
 TRACKS = 'tracks'

zspotify/termoutput.py

@@ -1,7 +1,7 @@
 from enum import Enum
 from tqdm import tqdm
 
-from config import PRINT_SPLASH, PRINT_SKIPS, PRINT_DOWNLOAD_PROGRESS, PRINT_ERRORS, PRINT_DOWNLOADS
+from config import PRINT_SPLASH, PRINT_SKIPS, PRINT_DOWNLOAD_PROGRESS, PRINT_ERRORS, PRINT_DOWNLOADS, PRINT_API_ERRORS
 from zspotify import ZSpotify
 
 
@@ -11,6 +11,7 @@ class PrintChannel(Enum):
     DOWNLOAD_PROGRESS = PRINT_DOWNLOAD_PROGRESS
     ERRORS = PRINT_ERRORS
     DOWNLOADS = PRINT_DOWNLOADS
+    API_ERRORS = PRINT_API_ERRORS
 
 
 class Printer:

zspotify/track.py

@@ -1,5 +1,6 @@
 import os
 import re
+from threading import Thread
 import time
 import uuid
 from typing import Any, Tuple, List
@@ -8,7 +9,7 @@ from librespot.audio.decoders import AudioQuality
 from librespot.metadata import TrackId
 from ffmpy import FFmpeg
 
-from const import TRACKS, ALBUM, NAME, ITEMS, DISC_NUMBER, TRACK_NUMBER, IS_PLAYABLE, ARTISTS, IMAGES, URL, \
+from const import TRACKS, ALBUM, GENRES, GENRE, 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
 from termoutput import Printer, PrintChannel
 from utils import fix_filename, set_audio_tags, set_music_thumbnail, create_download_directory, \
@@ -16,6 +17,8 @@ from utils import fix_filename, set_audio_tags, set_music_thumbnail, create_down
 from zspotify import ZSpotify
 import traceback
 
+from utils import Loader
+
 def get_saved_tracks() -> list:
     """ Returns user's saved tracks """
     songs = []
@@ -33,17 +36,32 @@ def get_saved_tracks() -> list:
     return songs
 
 
-def get_song_info(song_id) -> Tuple[List[str], str, str, Any, Any, Any, Any, Any, Any, int]:
+def get_song_info(song_id) -> Tuple[List[str], List[str], str, str, Any, Any, Any, Any, Any, Any, int]:
     """ Retrieves metadata for downloaded songs """
-    (raw, info) = ZSpotify.invoke_url(f'{TRACKS_URL}?ids={song_id}&market=from_token')
+    with Loader("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 = []
+        genres = []
         for data in info[TRACKS][0][ARTISTS]:
             artists.append(data[NAME])
+            # query artist genres via href, which will be the api url
+            with Loader("Fetching artist information..."):            
+                (raw, artistInfo) = ZSpotify.invoke_url(f'{data["href"]}')
+            if ZSpotify.CONFIG.get_allGenres() 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.SKIPS, '###    No Genre found.')
+            genres.append('')   
+                
         album_name = info[TRACKS][0][ALBUM][NAME]
         name = info[TRACKS][0][NAME]
         image_url = info[TRACKS][0][ALBUM][IMAGES][0][URL]
@@ -54,7 +72,7 @@ def get_song_info(song_id) -> Tuple[List[str], str, str, Any, Any, Any, Any, Any
         is_playable = info[TRACKS][0][IS_PLAYABLE]
         duration_ms = info[TRACKS][0][DURATION_MS]
 
-        return artists, album_name, name, image_url, release_year, disc_number, track_number, scraped_song_id, is_playable, duration_ms
+        return artists, genres, 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}')
 
@@ -82,9 +100,12 @@ def download_track(mode: str, track_id: str, extra_keys={}, disable_progressbar=
     try:
         output_template = ZSpotify.CONFIG.get_output(mode)
 
-        (artists, album_name, name, image_url, release_year, disc_number,
+        (artists, genres, album_name, name, image_url, release_year, disc_number,
          track_number, scraped_song_id, is_playable, duration_ms) = get_song_info(track_id)
         
+        prepareDownloadLoader = Loader("Preparing download...");
+        prepareDownloadLoader.start()
+        
         song_name = fix_filename(artists[0]) + ' - ' + fix_filename(name)
 
         for k in extra_keys:
@@ -131,12 +152,15 @@ def download_track(mode: str, track_id: str, extra_keys={}, disable_progressbar=
     else:
         try:
             if not is_playable:
+                prepareDownloadLoader.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():
+                    prepareDownloadLoader.stop();
                     Printer.print(PrintChannel.SKIPS, '\n###   SKIPPING: ' + song_name + ' (SONG ALREADY EXISTS)   ###' + "\n")
 
                 elif check_all_time and ZSpotify.CONFIG.get_skip_previously_downloaded():
+                    prepareDownloadLoader.stop();
                     Printer.print(PrintChannel.SKIPS, '\n###   SKIPPING: ' + song_name + ' (SONG ALREADY DOWNLOADED ONCE)   ###' + "\n")
 
                 else:
@@ -147,6 +171,8 @@ def download_track(mode: str, track_id: str, extra_keys={}, disable_progressbar=
                     create_download_directory(filedir)
                     total_size = stream.input_stream.size
 
+                    prepareDownloadLoader.stop();
+
                     time_start = time.time()
                     downloaded = 0
                     with open(filename_temp, 'wb') as file, Printer.progress(
@@ -170,7 +196,7 @@ def download_track(mode: str, track_id: str, extra_keys={}, disable_progressbar=
                     time_downloaded = time.time()
 
                     convert_audio_format(filename_temp)
-                    set_audio_tags(filename_temp, artists, name, album_name, release_year, disc_number, track_number)
+                    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:
@@ -197,7 +223,7 @@ def download_track(mode: str, track_id: str, extra_keys={}, disable_progressbar=
             if os.path.exists(filename_temp):
                 os.remove(filename_temp)
                 
-
+    prepareDownloadLoader.stop()
 def convert_audio_format(filename) -> None:
     """ Converts raw audio into playable file """
     temp_filename = f'{os.path.splitext(filename)[0]}.tmp'
@@ -224,6 +250,9 @@ def convert_audio_format(filename) -> None:
         inputs={temp_filename: None},
         outputs={filename: output_params}
     )
-    ff_m.run()
+    
+    with Loader("Converting file..."):
+        ff_m.run()
+        
     if os.path.exists(temp_filename):
         os.remove(temp_filename)

zspotify/utils.py

@@ -10,7 +10,7 @@ from typing import List, Tuple
 import music_tag
 import requests
 
-from const import ARTIST, TRACKTITLE, ALBUM, YEAR, DISCNUMBER, TRACKNUMBER, ARTWORK, \
+from const import ARTIST, GENRE, TRACKTITLE, ALBUM, YEAR, DISCNUMBER, TRACKNUMBER, ARTWORK, \
     WINDOWS_SYSTEM, ALBUMARTIST
 from zspotify import ZSpotify
 
@@ -124,11 +124,12 @@ def clear() -> None:
         os.system('clear')
 
 
-def set_audio_tags(filename, artists, name, album_name, release_year, disc_number, track_number) -> None:
+def set_audio_tags(filename, artists, genres, name, album_name, release_year, disc_number, track_number) -> None:
     """ sets music_tag metadata """
     tags = music_tag.load_file(filename)
     tags[ALBUMARTIST] = artists[0]
     tags[ARTIST] = conv_artist_format(artists)
+    tags[GENRE] = genres[0] if not ZSpotify.CONFIG.get_allGenres() else ZSpotify.CONFIG.get_allGenresDelimiter().join(genres)
     tags[TRACKTITLE] = name
     tags[ALBUM] = album_name
     tags[YEAR] = release_year
@@ -279,3 +280,84 @@ def fmt_seconds(secs: float) -> str:
         return f'{m}'.zfill(2) + ':' + f'{s}'.zfill(2)
     else:
         return f'{h}'.zfill(2) + ':' + f'{m}'.zfill(2) + ':' + f'{s}'.zfill(2)
+
+
+# load symbol from:
+# https://stackoverflow.com/questions/22029562/python-how-to-make-simple-animated-loading-while-process-is-running
+
+# imports
+from itertools import cycle
+from shutil import get_terminal_size
+from threading import Thread
+from time import sleep
+
+class Loader:
+    """Busy symbol.
+
+    Can be called inside a context:
+
+    with Loader("This take some Time..."):
+        # do something
+        pass          
+    """
+    def __init__(self, desc="Loading...", end='', timeout=0.1, mode='std1'):
+        """
+        A loader-like context manager
+
+        Args:
+            desc (str, optional): The loader's description. Defaults to "Loading...".
+            end (str, optional): Final print. Defaults to "".
+            timeout (float, optional): Sleep time between prints. Defaults to 0.1.
+        """
+        self.desc = desc
+        self.end = end
+        self.timeout = timeout
+
+        self._thread = Thread(target=self._animate, daemon=True)
+        if mode == 'std1':
+            self.steps = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"]
+        elif mode == 'std2':
+            self.steps = ["◜","◝","◞","◟"]
+        elif mode == 'std3':
+            self.steps = ["😐 ","😐 ","😮 ","😮 ","😦 ","😦 ","😧 ","😧 ","🤯 ","💥 ","✨ ","\u3000 ","\u3000 ","\u3000 "]
+        elif mode == 'prog':
+            self.steps = ["[∙∙∙]","[●∙∙]","[∙●∙]","[∙∙●]","[∙∙∙]"]
+
+        self.done = False
+
+    def start(self):
+        self._thread.start()
+        return self
+
+    def _animate(self):
+        for c in cycle(self.steps):
+            if self.done:
+                break
+            print(f"\r\t{c} {self.desc} ", flush=True, end="")
+            sleep(self.timeout)
+
+    def __enter__(self):
+        self.start()
+
+    def stop(self):
+        self.done = True
+        cols = get_terminal_size((80, 20)).columns
+        print("\r" + " " * cols, end="", flush=True)
+
+        if self.end != "":
+            print(f"\r{self.end}", flush=True)
+
+    def __exit__(self, exc_type, exc_value, tb):
+        # handle exceptions with those variables ^
+        self.stop()
+
+
+if __name__ == "__main__":
+    with Loader("Loading with context manager..."):
+        for i in range(10):
+            sleep(0.25)
+
+    loader = Loader("Loading with object...", "That was fast!", 0.05).start()
+    for i in range(10):
+        sleep(0.25)
+    loader.stop()

zspotify/zspotify.py

@@ -9,7 +9,7 @@ It's like youtube-dl, but for Spotify.
 import os
 import os.path
 from getpass import getpass
-
+import time
 import requests
 from librespot.audio.decoders import VorbisOnlyAudioQuality
 from librespot.core import Session
@@ -19,7 +19,6 @@ from const import TYPE, \
     PLAYLIST_READ_PRIVATE, USER_LIBRARY_READ
 from config import Config
 
-
 class ZSpotify:    
     SESSION: Session = None
     DOWNLOAD_QUALITY = None
@@ -82,10 +81,21 @@ class ZSpotify:
         return requests.get(url, headers=headers, params=params).json()
 
     @classmethod
-    def invoke_url(cls, url):
+    def invoke_url(cls, url, tryCount = 0):
+        # we need to import that here, otherwise we will get circular imports!
+        from termoutput import Printer, PrintChannel                
         headers = cls.get_auth_header()
         response = requests.get(url, headers=headers)
-        return response.text, response.json()
+        responseText = response.text
+        responseJson = response.json()
+        
+        if 'error' in responseJson and tryCount < 5:
+            
+            Printer.Print(PrintChannel.API_ERROR, f"Spotify API Error ({responseJson['error']['status']}): {responseJson['error']['message']}")            
+            time.sleep(5)
+            return cls.invoke_url(url, tryCount + 1)
+                
+        return responseText, responseJson
 
     @classmethod
     def check_premium(cls) -> bool: