Fix files not downloading completely

zspotify/podcast.py

@@ -4,12 +4,11 @@ from typing import Optional, Tuple
 
 from librespot.metadata import EpisodeId
 
-from const import ERROR, ID, ITEMS, NAME, SHOW, DURATION_MS
+from const import DURATION_MS, ERROR, ID, ITEMS, NAME, SHOW
+from loader import Loader
 from termoutput import PrintChannel, Printer
 from utils import create_download_directory, fix_filename
 from zspotify import ZSpotify
-from loader import Loader
-
 
 EPISODE_INFO_URL = 'https://api.spotify.com/v1/episodes'
 SHOWS_URL = 'https://api.spotify.com/v1/shows'
@@ -48,6 +47,7 @@ def download_podcast_directly(url, filename):
     import functools
     import pathlib
     import shutil
+
     import requests
     from tqdm.auto import tqdm
 
@@ -110,6 +110,8 @@ def download_episode(episode_id) -> None:
             prepare_download_loader.stop()
             time_start = time.time()
             downloaded = 0
+            retry_counter = 0
+
             with open(filepath, 'wb') as file, Printer.progress(
                 desc=filename,
                 total=total_size,
@@ -118,15 +120,29 @@ def download_episode(episode_id) -> None:
                 unit_divisor=1024
             ) as p_bar:
                 prepare_download_loader.stop()
-                for _ in range(int(total_size / ZSpotify.CONFIG.get_chunk_size()) + 1):
+                while True:
                     data = stream.input_stream.stream().read(ZSpotify.CONFIG.get_chunk_size())
-                    p_bar.update(file.write(data))
+                    
+                    if len(data) == 0:
+                        retry_counter += 1
+
+                        if retry_counter >= ZSpotify.CONFIG.get_retry_attempts():
+                            break
+                        else:
+                            continue
+
+                    retry_counter = 0
                     downloaded += len(data)
+                    p_bar.update(file.write(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)
+                    
+                if downloaded < total_size * 0.95:
+                    raise Exception(f'''Podcast downloaded did not reach 95% of the stream size, actual size downloaded: {downloaded/total_size}''')
         else:
             filepath = os.path.join(download_directory, f"{filename}.mp3")
             download_podcast_directly(direct_download_url, filepath)

zspotify/track.py

@@ -1,21 +1,26 @@
+import math
 import os
 import re
 import time
+import traceback
 import uuid
-from typing import Any, Tuple, List
+from typing import Any, List, Tuple
 
+from ffmpy import FFmpeg
 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 const import (ALBUM, ARTISTS, CODEC_MAP, DISC_NUMBER, DURATION_MS,
+                   EXT_MAP, GENRES, HREF, ID, IMAGES, IS_PLAYABLE, ITEMS, NAME,
+                   RELEASE_DATE, SAVED_TRACKS_URL, TRACK_NUMBER,
+                   TRACK_STATS_URL, TRACKS, TRACKS_URL, URL)
 from loader import Loader
+from termoutput import PrintChannel, Printer
+from utils import (add_to_archive, add_to_directory_song_ids,
+                   create_download_directory, fix_filename, fmt_seconds,
+                   get_directory_song_ids, get_previously_downloaded,
+                   set_audio_tags, set_music_thumbnail)
+from zspotify import ZSpotify
 
 
 def get_saved_tracks() -> list:
@@ -191,6 +196,8 @@ def download_track(mode: str, track_id: str, extra_keys=None, disable_progressba
 
                     time_start = time.time()
                     downloaded = 0
+                    retry_counter = 0
+
                     with open(filename_temp, 'wb') as file, Printer.progress(
                             desc=song_name,
                             total=total_size,
@@ -199,8 +206,18 @@ def download_track(mode: str, track_id: str, extra_keys=None, disable_progressba
                             unit_divisor=1024,
                             disable=disable_progressbar
                     ) as p_bar:
-                        for _ in range(int(total_size / ZSpotify.CONFIG.get_chunk_size()) + 1):
+                        while True:
+
                             data = stream.input_stream.stream().read(ZSpotify.CONFIG.get_chunk_size())
+                            if len(data) == 0:
+                                retry_counter += 1
+
+                                if retry_counter >= ZSpotify.CONFIG.get_retry_attempts():
+                                    break
+                                else:
+                                    continue
+
+                            retry_counter = 0
                             p_bar.update(file.write(data))
                             downloaded += len(data)
                             if ZSpotify.CONFIG.get_download_real_time():
@@ -209,6 +226,13 @@ def download_track(mode: str, track_id: str, extra_keys=None, disable_progressba
                                 if delta_want > delta_real:
                                     time.sleep(delta_want - delta_real)
 
+                    # Make sure the 95% of the file was downloaded
+                    # for some reason the stream is not downloaded fully , a few bytes
+                    # remains that cannot be downloaded even thought the file is fine
+                    # That's the reason for the 95% check
+                    if downloaded < total_size * 0.95:
+                        raise Exception(f'''Track downloaded did not reach 95% of the stream size, actual size downloaded: {downloaded/total_size}''')
+
                     time_downloaded = time.time()
 
                     genres = get_song_genres(raw_artists, name)