511 lines
20 KiB
Python
511 lines
20 KiB
Python
import os
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import pathlib
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import random
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import shutil
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import tempfile
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import time
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from collections.abc import Callable
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from uuid import uuid4
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import ffmpeg
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import m3u8
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import requests
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from requests.exceptions import HTTPError
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from rich.progress import Progress, TaskID
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from tidalapi import Album, Mix, Playlist, Session, Track, UserPlaylist, Video
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from tidalapi.media import AudioExtensions, Codec, Quality, StreamManifest, VideoExtensions
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from tidal_dl_ng.config import Settings, Tidal
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from tidal_dl_ng.constants import EXTENSION_LYRICS, REQUESTS_TIMEOUT_SEC, MediaType, QualityVideo, SkipExisting
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from tidal_dl_ng.helper.decryption import decrypt_file, decrypt_security_token
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from tidal_dl_ng.helper.exceptions import MediaMissing
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from tidal_dl_ng.helper.path import check_file_exists, format_path_media, path_file_sanitize
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from tidal_dl_ng.helper.tidal import (
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instantiate_media,
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items_results_all,
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name_builder_album_artist,
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name_builder_artist,
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name_builder_item,
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name_builder_title,
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)
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from tidal_dl_ng.metadata import Metadata
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from tidal_dl_ng.model.gui_data import ProgressBars
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# TODO: Set appropriate client string and use it for video download.
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# https://github.com/globocom/m3u8#using-different-http-clients
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class RequestsClient:
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def download(
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self, uri: str, timeout: int = REQUESTS_TIMEOUT_SEC, headers: dict | None = None, verify_ssl: bool = True
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):
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if not headers:
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headers = {}
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o = requests.get(uri, timeout=timeout, headers=headers)
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return o.text, o.url
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# TODO: Use pathlib.Path everywhere
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class Download:
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settings: Settings
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session: Session
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skip_existing: SkipExisting = SkipExisting.Disabled
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fn_logger: Callable
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progress_gui: ProgressBars
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progress: Progress
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def __init__(
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self,
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session: Session,
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path_base: str,
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fn_logger: Callable,
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skip_existing: SkipExisting = SkipExisting.Disabled,
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progress_gui: ProgressBars = None,
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progress: Progress = None,
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):
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self.settings = Settings()
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self.session = session
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self.skip_existing = skip_existing
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self.fn_logger = fn_logger
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self.progress_gui = progress_gui
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self.progress = progress
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self.path_base = path_base
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if not self.settings.data.path_binary_ffmpeg and (
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self.settings.data.video_convert_mp4 or self.settings.data.extract_flac
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):
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self.settings.data.video_convert_mp4 = False
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self.settings.data.extract_flac = False
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self.fn_logger.error(
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"FFmpeg path is not set. Videos can be downloaded but will not be processed. FLAC cannot be "
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"extracted from MP4 containers. Make sure FFmpeg is installed. The path to the FFmpeg binary must "
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"be set in (`path_binary_ffmpeg`)."
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)
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def _download(
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self,
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media: Track | Video,
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path_file: str,
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) -> str:
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media_name: str = name_builder_item(media)
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urls: [str]
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# Get urls for media.
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if isinstance(media, Track):
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urls = media.get_stream().get_stream_manifest().urls
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stream_manifest: StreamManifest = media.get_stream().get_stream_manifest()
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elif isinstance(media, Video):
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m3u8_variant: m3u8.M3U8 = m3u8.load(media.get_url())
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# Find the desired video resolution or the next best one.
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m3u8_playlist, codecs = self._extract_video_stream(m3u8_variant, int(self.settings.data.quality_video))
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# Populate urls.
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urls = m3u8_playlist.files
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# Set the correct progress output channel.
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if self.progress_gui is None:
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progress_stdout: bool = True
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else:
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progress_stdout: bool = False
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# Send signal to GUI with media name
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self.progress_gui.item_name.emit(media_name[:30])
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try:
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# Compute total iterations for progress
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urls_count: int = len(urls)
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if urls_count > 1:
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progress_total: int = urls_count
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block_size: int | None = None
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elif urls_count == 1:
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# Compute progress iterations based on the file size.
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r = requests.get(urls[0], stream=True, timeout=REQUESTS_TIMEOUT_SEC)
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r.raise_for_status()
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# Get file size and compute progress steps
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total_size_in_bytes: int = int(r.headers.get("content-length", 0))
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block_size: int | None = 1048576
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progress_total: float = total_size_in_bytes / block_size
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else:
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raise ValueError
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# Create progress Task
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p_task: TaskID = self.progress.add_task(
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f"[blue]Item '{media_name[:30]}'",
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total=progress_total,
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visible=progress_stdout,
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)
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# Write content to file until progress is finished.
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while not self.progress.tasks[p_task].finished:
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with open(path_file, "wb") as f:
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for url in urls:
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# Create the request object with stream=True, so the content won't be loaded into memory at once.
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r = requests.get(url, stream=True, timeout=REQUESTS_TIMEOUT_SEC)
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r.raise_for_status()
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# Write the content to disk. If `chunk_size` is set to `None` the whole file will be written at once.
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for data in r.iter_content(chunk_size=block_size):
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f.write(data)
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# Advance progress bar.
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self.progress.advance(p_task)
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# To send the progress to the GUI, we need to emit the percentage.
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if not progress_stdout:
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self.progress_gui.item.emit(self.progress.tasks[p_task].percentage)
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except HTTPError as e:
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# TODO: Handle Exception...
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self.fn_logger(e)
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if isinstance(media, Track) and stream_manifest.is_encrypted:
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key, nonce = decrypt_security_token(stream_manifest.encryption_key)
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tmp_path_file_decrypted = path_file + "_decrypted"
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decrypt_file(path_file, tmp_path_file_decrypted, key, nonce)
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else:
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tmp_path_file_decrypted = path_file
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return tmp_path_file_decrypted
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def item(
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self,
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file_template: str,
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media: Track | Video = None,
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media_id: str = None,
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media_type: MediaType = None,
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video_download: bool = True,
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download_delay: bool = False,
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quality_audio: Quality | None = None,
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quality_video: QualityVideo | None = None,
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) -> (bool, str):
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try:
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if media_id and media_type:
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# If no media instance is provided, we need to create the media instance.
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media = instantiate_media(self.session, media_type, media_id)
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elif isinstance(media, Track): # Check if media is available not deactivated / removed from TIDAL.
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if not media.available:
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self.fn_logger.info(
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f"This track is not available for listening anymore on TIDAL. Skipping: {name_builder_item(media)}"
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)
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return False, ""
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else:
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# Re-create media instance with full album information
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media = self.session.track(media.id, with_album=True)
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elif not media:
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raise MediaMissing
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except:
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return False, ""
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# If video download is not allowed end here
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if not video_download and isinstance(media, Video):
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self.fn_logger.info(
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f"Video downloads are deactivated (see settings). Skipping video: {name_builder_item(media)}"
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)
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return False, ""
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# Get extension.
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file_extension: str
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if isinstance(media, Track):
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# If hi_res is forbidden in settings and highest track quality is hi_res, downgrade to high_lossless.
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if self.settings.data.downgrade_on_hi_res and media.get_stream().audio_quality == Quality.hi_res:
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quality_audio = Quality.high_lossless
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# If a quality is explicitly set, change it.
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if quality_audio:
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quality_audio_old: Quality = self.adjust_quality_audio(quality_audio)
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file_extension = media.get_stream().get_stream_manifest().file_extension
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# Use M4A extension for MP4 audio tracks, because it looks better and is completely interchangeable.
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file_extension = AudioExtensions.M4A if file_extension == AudioExtensions.MP4 else file_extension
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if self.settings.data.extract_flac:
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do_flac_extract = False
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if (
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media.get_stream().get_stream_manifest().codecs.upper() == Codec.FLAC
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and file_extension != AudioExtensions.FLAC
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):
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file_extension = AudioExtensions.FLAC
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do_flac_extract = True
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elif isinstance(media, Video):
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if quality_video:
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quality_video_old: QualityVideo = self.adjust_quality_video(quality_video)
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file_extension = AudioExtensions.MP4 if self.settings.data.video_convert_mp4 else VideoExtensions.TS
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# Create file name and path
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file_name_relative = format_path_media(file_template, media)
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path_media_dst = os.path.abspath(
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os.path.normpath(os.path.join(os.path.expanduser(self.path_base), file_name_relative))
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)
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# Sanitize final path_file to fit into OS boundaries.
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uniquify: bool = self.skip_existing == SkipExisting.Append
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path_media_dst = path_file_sanitize(path_media_dst + file_extension, adapt=True, uniquify=uniquify)
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# Compute if and how downloads need to be skipped.
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if self.skip_existing in (SkipExisting.ExtensionIgnore, SkipExisting.Filename):
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extension_ignore: bool = self.skip_existing == SkipExisting.ExtensionIgnore
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file_exists: bool = check_file_exists(path_media_dst, extension_ignore=extension_ignore)
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else:
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file_exists: bool = False
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if not file_exists:
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# Create a temp directory and file.
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with tempfile.TemporaryDirectory(ignore_cleanup_errors=True) as tmp_path_dir:
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tmp_path_file = os.path.join(tmp_path_dir, str(uuid4()))
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# Download media.
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tmp_path_file = self._download(media=media, path_file=tmp_path_file)
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# Convert video from TS to MP4
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if isinstance(media, Video) and self.settings.data.video_convert_mp4:
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# Convert `*.ts` file to `*.mp4` using ffmpeg
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tmp_path_file = self._video_convert(tmp_path_file)
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# Extract FLAC from MP4 container using ffmpeg
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if isinstance(media, Track) and self.settings.data.extract_flac and do_flac_extract:
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tmp_path_file = self._extract_flac(tmp_path_file)
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tmp_path_lyrics: pathlib.Path | None = None
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# Write metadata to file.
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if not isinstance(media, Video):
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result_metadata, tmp_path_lyrics = self.metadata_write(media, tmp_path_file)
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# Move final file to the configured destination directory.
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os.makedirs(os.path.dirname(path_media_dst), exist_ok=True)
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shutil.move(tmp_path_file, path_media_dst)
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# Move lyrics file
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if self.settings.data.lyrics_file and not isinstance(media, Video):
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self._move_lyrics(path_media_dst, tmp_path_lyrics)
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else:
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self.fn_logger.debug(f"Download skipped, since file exists: '{path_media_dst}'")
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status_download: bool = not file_exists
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if quality_audio:
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# Set quality back to the global user value
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self.adjust_quality_audio(quality_audio_old)
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if quality_video:
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# Set quality back to the global user value
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self.adjust_quality_video(quality_video_old)
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# Whether a file was downloaded or skipped and the download delay is enabled, wait until the next download.
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# Only use this, if you have a list of several Track items.
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if download_delay:
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time_sleep: float = round(random.SystemRandom().uniform(2, 5), 1)
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self.fn_logger.debug(f"Next download will start in {time_sleep} seconds.")
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time.sleep(time_sleep)
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return status_download, path_media_dst
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def adjust_quality_audio(self, quality) -> Quality:
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# Save original quality settings
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quality_old: Quality = self.session.audio_quality
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self.session.audio_quality = quality
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tidal: Tidal = Tidal()
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# If track is not requested as hires_lossless do not use PKCE, because BTS downloads are faster than MPD.
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if quality == Quality.hi_res_lossless and not tidal.is_pkce:
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tidal.login_token(do_pkce=True)
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elif quality != Quality.hi_res_lossless and tidal.is_pkce:
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tidal.login_token(do_pkce=False)
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return quality_old
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def adjust_quality_video(self, quality) -> QualityVideo:
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quality_old: QualityVideo = self.settings.data.quality_video
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self.settings.data.quality_video = quality
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return quality_old
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def _move_lyrics(self, file_media_dst: str, path_lyrics: pathlib.Path) -> bool:
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result: bool
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# Build tmp lyrics filename
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# Check if the file was downloaded
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if path_lyrics and os.path.isfile(path_lyrics):
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# Move it.
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shutil.move(path_lyrics, os.path.splitext(file_media_dst)[0] + EXTENSION_LYRICS)
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result = True
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else:
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result = False
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return result
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def lyrics_write_file(self, dir_destination: pathlib.Path, lyrics: str) -> str:
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result: str = dir_destination / str(uuid4())
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try:
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with open(result, "x", encoding="utf-8") as f:
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f.write(lyrics)
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except:
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result = ""
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return result
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def metadata_write(self, track: Track, path_media: str) -> (bool, pathlib.Path | None):
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result: bool = False
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path_lyrics: pathlib.Path | None = None
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release_date: str = (
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track.album.available_release_date.strftime("%Y-%m-%d")
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if track.album.available_release_date
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else track.album.release_date.strftime("%Y-%m-%d") if track.album.release_date else ""
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)
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copy_right: str = track.copyright if hasattr(track, "copyright") and track.copyright else ""
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isrc: str = track.isrc if hasattr(track, "isrc") and track.isrc else ""
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lyrics: str = ""
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if self.settings.data.lyrics_embed or self.settings.data.lyrics_file:
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# Try to retrieve lyrics.
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try:
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lyrics_obj = track.lyrics()
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if lyrics_obj.subtitles:
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lyrics = lyrics_obj.subtitles
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elif lyrics_obj.text:
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lyrics = lyrics_obj.text
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except:
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lyrics = ""
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# TODO: Implement proper logging.
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print(f"Could not retrieve lyrics for `{name_builder_item(track)}`.")
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if lyrics and self.settings.data.lyrics_file:
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path_lyrics = self.lyrics_write_file(pathlib.Path(path_media).parent, lyrics)
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# `None` values are not allowed.
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m: Metadata = Metadata(
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path_file=path_media,
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lyrics=lyrics,
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copy_right=copy_right,
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title=name_builder_title(track),
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artists=name_builder_artist(track),
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album=track.album.name if track.album else "",
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tracknumber=track.track_num,
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date=release_date,
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isrc=isrc,
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albumartist=name_builder_album_artist(track),
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totaltrack=track.album.num_tracks if track.album and track.album.num_tracks else 1,
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totaldisc=track.album.num_volumes if track.album and track.album.num_volumes else 1,
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discnumber=track.volume_num if track.volume_num else 1,
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url_cover=track.album.image(int(self.settings.data.metadata_cover_dimension)),
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)
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m.save()
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result = True
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return result, path_lyrics
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def items(
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self,
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file_template: str,
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media: Album | Playlist | UserPlaylist | Mix = None,
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media_id: str = None,
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media_type: MediaType = None,
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video_download: bool = False,
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download_delay: bool = True,
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quality_audio: Quality | None = None,
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quality_video: QualityVideo | None = None,
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):
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# If no media instance is provided, we need to create the media instance.
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if media_id and media_type:
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media = instantiate_media(self.session, media_type, media_id)
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elif not media:
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raise MediaMissing
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# Create file name and path
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file_name_relative = format_path_media(file_template, media)
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# Get the name of the list and check, if videos should be included.
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videos_include: bool = True
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if isinstance(media, Mix):
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list_media_name = media.title[:30]
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elif video_download:
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list_media_name = name_builder_title(media)[:30]
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else:
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videos_include = False
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list_media_name = name_builder_title(media)[:30]
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# Get all items of the list.
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items = items_results_all(media, videos_include=videos_include)
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# Determine where to redirect the progress information.
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if self.progress_gui is None:
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progress_stdout: bool = True
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else:
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progress_stdout: bool = False
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self.progress_gui.list_name.emit(list_media_name[:30])
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# Create the list progress task.
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p_task1: TaskID = self.progress.add_task(
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f"[green]List '{list_media_name}'", total=len(items), visible=progress_stdout
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)
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# Iterate through list items
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while not self.progress.finished:
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for media in items:
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# Download the item.
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status_download, result_path_file = self.item(
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media=media,
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file_template=file_name_relative,
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quality_audio=quality_audio,
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quality_video=quality_video,
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download_delay=download_delay,
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)
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# Advance progress bar.
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self.progress.advance(p_task1)
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if not progress_stdout:
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self.progress_gui.list_item.emit(self.progress.tasks[p_task1].percentage)
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def _video_convert(self, path_file: str) -> str:
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path_file_out = path_file + AudioExtensions.MP4
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result, _ = (
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ffmpeg.input(path_file)
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.output(path_file_out, map=0, c="copy", loglevel="quiet")
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.run(cmd=self.settings.data.path_binary_ffmpeg)
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)
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return path_file_out
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def _extract_flac(self, path_media_src: str) -> str:
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path_media_out = path_media_src + AudioExtensions.FLAC
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result, _ = (
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ffmpeg.input(path_media_src)
|
|
.output(
|
|
path_media_out, map=0, movflags="use_metadata_tags", acodec="copy", map_metadata="0:g", loglevel="quiet"
|
|
)
|
|
.run(cmd=self.settings.data.path_binary_ffmpeg)
|
|
)
|
|
|
|
return path_media_out
|
|
|
|
def _extract_video_stream(self, m3u8_variant: m3u8.M3U8, quality: int) -> (m3u8.M3U8 | bool, str):
|
|
m3u8_playlist: m3u8.M3U8 | bool = False
|
|
resolution_best: int = 0
|
|
mime_type: str = ""
|
|
|
|
if m3u8_variant.is_variant:
|
|
for playlist in m3u8_variant.playlists:
|
|
if resolution_best < playlist.stream_info.resolution[1]:
|
|
resolution_best = playlist.stream_info.resolution[1]
|
|
m3u8_playlist = m3u8.load(playlist.uri)
|
|
mime_type = playlist.stream_info.codecs
|
|
|
|
if quality == playlist.stream_info.resolution[1]:
|
|
break
|
|
|
|
return m3u8_playlist, mime_type
|