mirror of
https://github.com/alexta69/metube.git
synced 2026-09-21 13:35:01 +00:00
8a29f3a084
Added track_number to the set of keys preserved when compacting persisted playlist entries, ensuring this metadata is retained for accurate track ordering and display.
1860 lines
78 KiB
Python
1860 lines
78 KiB
Python
import os
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import shutil
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import yt_dlp
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import collections
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import collections.abc
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import copy
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import pickle
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from collections import OrderedDict
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import time
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import asyncio
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import multiprocessing
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from concurrent.futures import ThreadPoolExecutor
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from functools import partial
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import logging
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import re
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import signal
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import sys
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import types
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from typing import Any, Optional
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import yt_dlp.networking.impersonate
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from yt_dlp.postprocessor.common import PostProcessor
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from yt_dlp.utils import STR_FORMAT_RE_TMPL, STR_FORMAT_TYPES
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import bg_tasks
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from dl_formats import get_format, get_opts, AUDIO_FORMATS, merge_ytdl_option_layers
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from music_metadata import MusicMetadataPreProcessor
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from datetime import datetime
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from state_store import AtomicJsonStore, from_json_compatible, read_legacy_shelf, to_json_compatible
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from subscriptions import _entry_id
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from url_guard import validate_url, install_socket_guard
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from urllib.parse import urlsplit
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log = logging.getLogger('ytdl')
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# Python 3.14 switches the default multiprocessing start method on Linux
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# (this app's only supported deployment target, per the Dockerfile) from fork
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# to forkserver. Download._download relies on inheriting process state the
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# way fork provides, so pin it back on Linux specifically.
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#
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# This must NOT be widened to "prefer fork wherever available": on macOS the
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# platform default has long been spawn (never fork) precisely because forking
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# a multi-threaded parent is hazardous — inherited locks held by threads that
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# vanish in the child can deadlock it silently before it does any work. This
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# app creates background threads (executors, notifier callbacks) well before
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# any download starts, so forcing fork there reproduces exactly that hazard.
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_MP_CTX = (
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multiprocessing.get_context("fork")
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if sys.platform.startswith("linux") and "fork" in multiprocessing.get_all_start_methods()
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else multiprocessing.get_context()
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)
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# Grace period between SIGINT (lets yt-dlp/ffmpeg finalize the partial file,
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# e.g. when cancelling a livestream) and SIGKILL escalation.
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_CANCEL_GRACE_SECONDS = 15
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_LIVE_CHECK_INTERVAL = 60
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_LIVE_MAX_CHECK_INTERVAL = 3600
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# Consecutive probe failures (network blips, rate limits, transient extractor
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# errors) tolerated before a scheduled live download is abandoned as errored.
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_LIVE_PROBE_MAX_FAILURES = 5
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class _AlbumArtistPostProcessor(PostProcessor):
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"""Fill missing album-artist metadata from yt-dlp's album-level signals."""
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_TOPIC_SUFFIX = ' - Topic'
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@staticmethod
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def _has_value(value: Any) -> bool:
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if isinstance(value, str):
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return bool(value.strip())
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if isinstance(value, (list, tuple)):
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return any(_AlbumArtistPostProcessor._has_value(item) for item in value)
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return value is not None
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@staticmethod
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def _main_artist(info) -> Optional[str]:
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artists = info.get('artists')
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candidates = artists if isinstance(artists, list) else [info.get('artist')]
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for candidate in candidates:
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if not isinstance(candidate, str) or not candidate.strip():
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continue
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# YouTube Music uses a spaced middle dot between credited artists.
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# The first credit is the primary artist for normal albums.
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return candidate.split(' · ', 1)[0].strip()
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return None
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@classmethod
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def _topic_artist(cls, info) -> Optional[str]:
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for field in ('channel', 'uploader'):
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value = info.get(field)
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if not isinstance(value, str) or not value.endswith(cls._TOPIC_SUFFIX):
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continue
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if artist := value[:-len(cls._TOPIC_SUFFIX)].strip():
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return artist
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return None
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def run(self, info):
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if not self._has_value(info.get('album')):
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return [], info
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if self._has_value(info.get('album_artist')) or self._has_value(info.get('album_artists')):
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return [], info
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if artist := self._topic_artist(info) or self._main_artist(info):
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info['album_artist'] = artist
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return [], info
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def _is_within_directory(real_base: str, real_target: str) -> bool:
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"""True if ``real_target`` is inside (or equal to) ``real_base``.
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Both arguments must already be resolved with ``os.path.realpath``. Uses
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``commonpath`` rather than ``startswith`` so a sibling directory sharing a
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name prefix (e.g. base ``/downloads`` vs ``/downloads-secret``) cannot be
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reached via ``../downloads-secret``.
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"""
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try:
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return os.path.commonpath([real_base, real_target]) == real_base
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except ValueError:
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# Raised when paths are on different drives (Windows) or mix
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# absolute/relative; treat as outside the base directory.
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return False
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# Characters that are invalid in Windows/NTFS path components. These are pre-
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# sanitised when substituting playlist/channel titles into output templates so
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# that downloads do not fail on NTFS-mounted volumes or Windows Docker hosts.
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_WINDOWS_INVALID_PATH_CHARS = re.compile(r'[\\:*?"<>|]')
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_PATH_SEP_OR_TRAVERSAL = re.compile(r'[\\/]|\.\.')
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def _sanitize_path_component(value: Any) -> Any:
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"""Replace characters that are invalid in Windows path components with '_'.
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Non-string values (int, float, None, …) are passed through unchanged so
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that numeric format specs (e.g. ``%(playlist_index)02d``) still work.
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Only string values are sanitised because Windows-invalid characters are
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only a concern for human-readable strings (titles, channel names, etc.)
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that may end up as directory names. Path separators and ``..`` segments
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are also collapsed so attacker-controlled playlist/channel titles cannot
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escape the download directory via the output template.
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"""
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if not isinstance(value, str):
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return value
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value = _WINDOWS_INVALID_PATH_CHARS.sub('_', value)
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value = _PATH_SEP_OR_TRAVERSAL.sub('_', value)
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return value.lstrip('.').strip() or '_'
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class _ConfinedYoutubeDL(yt_dlp.YoutubeDL):
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"""A ``YoutubeDL`` that refuses to emit any output path outside the allowed roots.
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This is the single authoritative enforcement of MeTube's download-directory
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containment invariant. yt-dlp expands output templates at download time using
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metadata that is fully attacker-controlled (``%(title)s``, ``%(uploader)s``,
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``%(section_title)s`` from chapter titles, …) and, on POSIX hosts, does *not*
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neutralise a ``..`` path component — so any template segment resolving to
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``..`` next to a literal separator (or an absolute template) can traverse out
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of the download directory. Every output path — main file, split-chapter files,
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thumbnails, subtitles, infojson — is produced by ``prepare_filename``, so
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validating its result here covers them all, regardless of which template or
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metadata field carries the traversal. Checking the resolved path (rather than
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the template string) is what makes this robust: the ``..`` only exists after
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expansion, so no ingress string check can see it.
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"""
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def __init__(self, params=None, *, allowed_roots=(), **kwargs):
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self._allowed_roots = [os.path.realpath(r) for r in allowed_roots if r]
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super().__init__(params=params, **kwargs)
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def prepare_filename(self, *args, **kwargs):
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filename = super().prepare_filename(*args, **kwargs)
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if filename and filename != '-' and self._allowed_roots:
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resolved = os.path.realpath(filename)
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if not any(_is_within_directory(root, resolved) for root in self._allowed_roots):
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raise yt_dlp.utils.DownloadError(
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f'Refusing to write outside the download directory: {filename}'
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)
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return filename
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# Regex matching yt-dlp output-template field references, e.g. ``%(title)s``
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# or ``%(playlist_index)03d``. Built from yt-dlp's own ``STR_FORMAT_RE_TMPL``
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# so that it stays in sync with upstream changes to the template syntax.
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_OUTTMPL_FIELD_RE = re.compile(
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STR_FORMAT_RE_TMPL.format('[^)]+', f'[{STR_FORMAT_TYPES}ljhqBUDS]')
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)
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def _resolve_outtmpl_fields(template: str, info_dict: dict, prefixes: tuple[str, ...]) -> str:
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"""Resolve specific fields in an output template using yt-dlp's template engine.
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Only field references whose root name starts with one of *prefixes* are
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evaluated. All other references are left untouched so that yt-dlp can
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resolve them later during the actual download.
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This delegates to ``YoutubeDL.evaluate_outtmpl`` for each targeted field
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reference, giving access to the full yt-dlp template syntax (defaults,
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conditional formatting, math operations, datetime formatting, etc.).
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"""
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matches = list(_OUTTMPL_FIELD_RE.finditer(template))
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if not matches:
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return template
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with yt_dlp.YoutubeDL({'quiet': True}) as ydl:
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for match in reversed(matches):
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key = match.group('key')
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if key is None:
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continue
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root = re.match(r'\w+', key)
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if root is None or not root.group(0).startswith(prefixes):
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continue
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resolved = ydl.evaluate_outtmpl(match.group(0), info_dict)
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template = template[:match.start()] + resolved + template[match.end():]
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return template
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_MAX_ENTRY_SANITIZE_DEPTH = 64
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def _sanitize_entry_for_pickle(obj, _depth=0):
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"""Recursively normalize yt-dlp ``info_dict`` data so it can be stored in shelve/pickle.
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Live streams and newer yt-dlp versions may nest generators, iterators, sets, or
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non-serializable objects (e.g. locks) inside the extracted metadata. The previous
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helper only walked plain dict/list/tuple and only expanded ``types.GeneratorType``.
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"""
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if _depth > _MAX_ENTRY_SANITIZE_DEPTH:
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return None
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if obj is None or isinstance(obj, (bool, int, float, str, bytes)):
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return obj
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if isinstance(obj, types.GeneratorType):
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return _sanitize_entry_for_pickle(list(obj), _depth + 1)
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if isinstance(obj, collections.abc.Mapping):
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return {k: _sanitize_entry_for_pickle(v, _depth + 1) for k, v in obj.items()}
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if isinstance(obj, (list, tuple)):
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return type(obj)(_sanitize_entry_for_pickle(x, _depth + 1) for x in obj)
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if isinstance(obj, (set, frozenset)):
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return [_sanitize_entry_for_pickle(x, _depth + 1) for x in obj]
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if isinstance(obj, collections.deque):
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return [_sanitize_entry_for_pickle(x, _depth + 1) for x in obj]
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if isinstance(obj, collections.abc.Iterator):
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try:
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return _sanitize_entry_for_pickle(list(obj), _depth + 1)
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except Exception:
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return None
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try:
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pickle.dumps(obj, protocol=pickle.HIGHEST_PROTOCOL)
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return obj
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except Exception:
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return None
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def _convert_srt_to_txt_file(subtitle_path: str):
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"""Convert an SRT subtitle file into plain text by stripping cue numbers/timestamps."""
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txt_path = os.path.splitext(subtitle_path)[0] + ".txt"
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try:
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with open(subtitle_path, "r", encoding="utf-8", errors="replace") as infile:
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content = infile.read()
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# Normalize newlines so cue splitting is consistent across platforms.
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content = content.replace("\r\n", "\n").replace("\r", "\n")
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cues = []
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# The caption format may resolve to a VTT file even when srt/txt was
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# requested (yt-dlp falls back when the extractor doesn't offer the
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# requested ext). VTT header metadata (WEBVTT/NOTE/STYLE and
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# "Kind:"/"Language:" fields) only ever appears BEFORE the first timed
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# cue, so only strip it while still in that header region — otherwise a
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# real caption line like "Kind: regards" would be dropped as metadata.
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seen_cue = False
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for block in re.split(r"\n{2,}", content):
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lines = [line.strip() for line in block.split("\n") if line.strip()]
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if not lines:
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continue
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has_timing = any("-->" in line for line in lines)
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if not seen_cue and not has_timing:
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# Still in the header region: drop metadata-only blocks
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# (WEBVTT/NOTE/STYLE, or blocks made entirely of "Key: value"
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# header fields such as a standalone "Kind:/Language:" block).
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if re.match(r"^(WEBVTT|NOTE|STYLE)\b", lines[0]) or all(
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re.match(r"^[A-Za-z][\w-]*:\s", line) for line in lines
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):
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continue
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if has_timing:
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seen_cue = True
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if re.fullmatch(r"\d+", lines[0]):
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lines = lines[1:]
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if lines and "-->" in lines[0]:
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lines = lines[1:]
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text_lines = []
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for line in lines:
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if "-->" in line:
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continue
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clean_line = re.sub(r"<[^>]+>", "", line).strip()
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if clean_line:
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text_lines.append(clean_line)
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if text_lines:
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cues.append(" ".join(text_lines))
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with open(txt_path, "w", encoding="utf-8") as outfile:
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if cues:
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outfile.write("\n".join(cues))
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outfile.write("\n")
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return txt_path
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except OSError as exc:
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log.warning(f"Failed to convert subtitle file {subtitle_path} to txt: {exc}")
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return None
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class DownloadQueueNotifier:
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async def added(self, dl):
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raise NotImplementedError
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async def updated(self, dl):
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raise NotImplementedError
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async def completed(self, dl):
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raise NotImplementedError
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async def canceled(self, id):
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raise NotImplementedError
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async def cleared(self, id):
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raise NotImplementedError
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class DownloadInfo:
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def __init__(
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self,
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id,
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title,
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url,
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quality,
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download_type,
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codec,
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format,
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folder,
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custom_name_prefix,
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error,
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entry,
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playlist_item_limit,
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split_by_chapters,
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chapter_template,
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subtitle_language="en",
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subtitle_mode="prefer_manual",
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ytdl_options_presets=None,
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ytdl_options_overrides=None,
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clip_start=None,
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clip_end=None,
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live_status=None,
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live_release_timestamp=None,
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):
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self.id = id if len(custom_name_prefix) == 0 else f'{custom_name_prefix}.{id}'
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self.title = title if len(custom_name_prefix) == 0 else f'{custom_name_prefix}.{title}'
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self.url = url
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self.quality = quality
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self.download_type = download_type
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self.codec = codec
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self.format = format
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self.folder = folder
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self.custom_name_prefix = custom_name_prefix
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self.msg = self.percent = self.speed = self.eta = None
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self.status = "pending"
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self.size = None
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self.timestamp = time.time_ns()
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self.error = error
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# Strip non-pickleable values (generators, iterators, locks, etc.) for shelve
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self.entry = _sanitize_entry_for_pickle(entry) if entry is not None else None
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self.playlist_item_limit = playlist_item_limit
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self.split_by_chapters = split_by_chapters
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self.chapter_template = chapter_template
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self.subtitle_language = subtitle_language
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self.subtitle_mode = subtitle_mode
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self.ytdl_options_presets = list(ytdl_options_presets or [])
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self.ytdl_options_overrides = dict(ytdl_options_overrides or {})
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self.clip_start = clip_start
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self.clip_end = clip_end
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self.live_status = live_status
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self.live_release_timestamp = live_release_timestamp
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self.subtitle_files = []
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|
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# Fields that are useful server-side but must not be broadcast to browser
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# clients: ``entry`` is the full yt-dlp info-dict (potentially large and
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# re-sent on every progress tick) and ``subtitle_files`` is only used
|
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# internally to derive the primary caption ``filename``.
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_PUBLIC_EXCLUDED_FIELDS = ("entry", "subtitle_files")
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|
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def to_public_dict(self) -> dict:
|
|
"""Return the client-facing view, omitting server-only/bulky fields."""
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|
return {
|
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k: v
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for k, v in self.__dict__.items()
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|
if k not in self._PUBLIC_EXCLUDED_FIELDS
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|
}
|
|
|
|
def __setstate__(self, state):
|
|
"""BACKWARD COMPATIBILITY: migrate old DownloadInfo from persistent queue files."""
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|
self.__dict__.update(state)
|
|
if 'download_type' not in state:
|
|
old_format = state.get('format', 'any')
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|
old_video_codec = state.get('video_codec', 'auto')
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|
old_quality = state.get('quality', 'best')
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old_subtitle_format = state.get('subtitle_format', 'srt')
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|
|
|
if old_format in AUDIO_FORMATS:
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self.download_type = 'audio'
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self.codec = 'auto'
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|
elif old_format == 'thumbnail':
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self.download_type = 'thumbnail'
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self.codec = 'auto'
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|
self.format = 'jpg'
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|
elif old_format == 'captions':
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self.download_type = 'captions'
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self.codec = 'auto'
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|
self.format = old_subtitle_format
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|
else:
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|
self.download_type = 'video'
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|
self.codec = old_video_codec
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|
if old_quality == 'best_ios':
|
|
self.format = 'ios'
|
|
self.quality = 'best'
|
|
elif old_quality == 'audio':
|
|
self.download_type = 'audio'
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|
self.codec = 'auto'
|
|
self.format = 'm4a'
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|
self.quality = 'best'
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|
self.__dict__.pop('video_codec', None)
|
|
self.__dict__.pop('subtitle_format', None)
|
|
|
|
if not getattr(self, "codec", None):
|
|
self.codec = "auto"
|
|
if not hasattr(self, "folder"):
|
|
self.folder = ""
|
|
if not hasattr(self, "custom_name_prefix"):
|
|
self.custom_name_prefix = ""
|
|
if not hasattr(self, "playlist_item_limit"):
|
|
self.playlist_item_limit = 0
|
|
if not hasattr(self, "split_by_chapters"):
|
|
self.split_by_chapters = False
|
|
if not hasattr(self, "chapter_template"):
|
|
self.chapter_template = ""
|
|
if not hasattr(self, "subtitle_language"):
|
|
self.subtitle_language = "en"
|
|
if not hasattr(self, "subtitle_mode"):
|
|
self.subtitle_mode = "prefer_manual"
|
|
legacy_preset = self.__dict__.pop("ytdl_options_preset", None)
|
|
if "ytdl_options_presets" not in self.__dict__:
|
|
if isinstance(legacy_preset, str) and legacy_preset.strip():
|
|
self.ytdl_options_presets = [legacy_preset.strip()]
|
|
elif isinstance(legacy_preset, list):
|
|
self.ytdl_options_presets = [str(x).strip() for x in legacy_preset if str(x).strip()]
|
|
else:
|
|
self.ytdl_options_presets = []
|
|
if not hasattr(self, "ytdl_options_overrides"):
|
|
self.ytdl_options_overrides = {}
|
|
if not hasattr(self, "entry"):
|
|
self.entry = None
|
|
if not hasattr(self, "subtitle_files"):
|
|
self.subtitle_files = []
|
|
if not hasattr(self, "chapter_files"):
|
|
self.chapter_files = []
|
|
if not hasattr(self, "clip_start"):
|
|
self.clip_start = None
|
|
if not hasattr(self, "clip_end"):
|
|
self.clip_end = None
|
|
if not hasattr(self, "live_status"):
|
|
self.live_status = None
|
|
if not hasattr(self, "live_release_timestamp"):
|
|
self.live_release_timestamp = None
|
|
|
|
|
|
_PERSISTED_DOWNLOAD_FIELDS = (
|
|
"id",
|
|
"title",
|
|
"url",
|
|
"quality",
|
|
"download_type",
|
|
"codec",
|
|
"format",
|
|
"folder",
|
|
"custom_name_prefix",
|
|
"playlist_item_limit",
|
|
"split_by_chapters",
|
|
"chapter_template",
|
|
"subtitle_language",
|
|
"subtitle_mode",
|
|
"ytdl_options_presets",
|
|
"ytdl_options_overrides",
|
|
"clip_start",
|
|
"clip_end",
|
|
"live_status",
|
|
"live_release_timestamp",
|
|
"status",
|
|
"timestamp",
|
|
"error",
|
|
"msg",
|
|
"filename",
|
|
"size",
|
|
"chapter_files",
|
|
)
|
|
|
|
|
|
def _short_title_for_failed_url(url: str) -> str:
|
|
"""A concise display title for a URL that failed before yt-dlp could extract a
|
|
real title (unsupported URL, SSRF-rejected, extraction error). The full URL
|
|
remains available in DownloadInfo.url and the error-detail panel."""
|
|
try:
|
|
hostname = urlsplit(url).hostname
|
|
except ValueError:
|
|
hostname = None
|
|
return hostname or url
|
|
|
|
|
|
_COMPACT_ENTRY_EXTRA_KEYS = frozenset(("n_entries", "__last_playlist_index", "track_number"))
|
|
|
|
|
|
def _compact_persisted_entry(entry: Any) -> Optional[dict[str, Any]]:
|
|
if not isinstance(entry, dict):
|
|
return None
|
|
compact = {
|
|
key: value
|
|
for key, value in entry.items()
|
|
if key.startswith("playlist") or key.startswith("channel") or key in _COMPACT_ENTRY_EXTRA_KEYS
|
|
}
|
|
return compact or None
|
|
|
|
|
|
def _download_info_to_record(
|
|
info: DownloadInfo,
|
|
*,
|
|
include_entry: bool,
|
|
) -> dict[str, Any]:
|
|
record: dict[str, Any] = {}
|
|
for key in _PERSISTED_DOWNLOAD_FIELDS:
|
|
if hasattr(info, key):
|
|
value = getattr(info, key)
|
|
if value is not None:
|
|
record[key] = to_json_compatible(value)
|
|
if include_entry:
|
|
compact_entry = _compact_persisted_entry(getattr(info, "entry", None))
|
|
if compact_entry is not None:
|
|
record["entry"] = to_json_compatible(compact_entry)
|
|
return record
|
|
|
|
|
|
def _download_info_from_record(record: dict[str, Any]) -> DownloadInfo:
|
|
info = DownloadInfo.__new__(DownloadInfo)
|
|
info.__setstate__({key: from_json_compatible(value) for key, value in record.items()})
|
|
if not hasattr(info, "msg"):
|
|
info.msg = None
|
|
if not hasattr(info, "percent"):
|
|
info.percent = None
|
|
if not hasattr(info, "speed"):
|
|
info.speed = None
|
|
if not hasattr(info, "eta"):
|
|
info.eta = None
|
|
if not hasattr(info, "status"):
|
|
info.status = "pending"
|
|
if not hasattr(info, "size"):
|
|
info.size = None
|
|
if not hasattr(info, "error"):
|
|
info.error = None
|
|
return info
|
|
|
|
class Download:
|
|
manager = None
|
|
|
|
@classmethod
|
|
def shutdown_manager(cls):
|
|
if cls.manager is not None:
|
|
cls.manager.shutdown()
|
|
cls.manager = None
|
|
|
|
def __init__(self, download_dir, temp_dir, output_template, output_template_chapter, quality, format, ytdl_opts, info, allow_private=False):
|
|
self.download_dir = download_dir
|
|
self.temp_dir = temp_dir
|
|
self.output_template = output_template
|
|
self.output_template_chapter = output_template_chapter
|
|
self.allow_private = allow_private
|
|
self.info = info
|
|
self.format = get_format(
|
|
getattr(info, 'download_type', 'video'),
|
|
getattr(info, 'codec', 'auto'),
|
|
format,
|
|
quality,
|
|
)
|
|
self.ytdl_opts = get_opts(
|
|
getattr(info, 'download_type', 'video'),
|
|
getattr(info, 'codec', 'auto'),
|
|
format,
|
|
quality,
|
|
ytdl_opts,
|
|
subtitle_language=getattr(info, 'subtitle_language', 'en'),
|
|
subtitle_mode=getattr(info, 'subtitle_mode', 'prefer_manual'),
|
|
)
|
|
if "impersonate" in self.ytdl_opts:
|
|
self.ytdl_opts["impersonate"] = yt_dlp.networking.impersonate.ImpersonateTarget.from_str(self.ytdl_opts["impersonate"])
|
|
self.canceled = False
|
|
self.tmpfilename = None
|
|
self.status_queue = None
|
|
self.proc = None
|
|
self.loop = None
|
|
self.notifier = None
|
|
self._executor = None
|
|
|
|
# Minimum interval between forwarded 'downloading' progress ticks. yt-dlp
|
|
# emits these many times per second; without throttling, each active
|
|
# download broadcasts hundreds of socket.io events/sec to every client.
|
|
_PROGRESS_THROTTLE_SECONDS = 0.5
|
|
|
|
def _make_progress_hook(self):
|
|
last_forward = 0.0
|
|
|
|
def put_status(st):
|
|
nonlocal last_forward
|
|
if st.get('status') == 'downloading':
|
|
now = time.monotonic()
|
|
if now - last_forward < self._PROGRESS_THROTTLE_SECONDS:
|
|
return
|
|
last_forward = now
|
|
self.status_queue.put({k: v for k, v in st.items() if k in (
|
|
'tmpfilename',
|
|
'filename',
|
|
'status',
|
|
'msg',
|
|
'total_bytes',
|
|
'total_bytes_estimate',
|
|
'downloaded_bytes',
|
|
'speed',
|
|
'eta',
|
|
)})
|
|
|
|
return put_status
|
|
|
|
def _make_youtube_dl(self, params):
|
|
ydl = _ConfinedYoutubeDL(
|
|
params=params,
|
|
allowed_roots=(self.download_dir, self.temp_dir),
|
|
)
|
|
if getattr(self.info, 'download_type', '') == 'audio':
|
|
ydl.add_post_processor(_AlbumArtistPostProcessor(ydl), when='pre_process')
|
|
ydl.add_post_processor(
|
|
MusicMetadataPreProcessor(
|
|
ydl,
|
|
source_entry=getattr(self.info, 'entry', None),
|
|
),
|
|
when='pre_process',
|
|
)
|
|
return ydl
|
|
|
|
def _download(self):
|
|
# Run in our own process group so cancel() can SIGKILL the whole
|
|
# group (yt-dlp + any ffmpeg children it spawned for merge/postproc),
|
|
# instead of orphaning ffmpeg when only the yt-dlp process is killed.
|
|
if hasattr(os, 'setpgrp'):
|
|
try:
|
|
os.setpgrp()
|
|
except OSError:
|
|
pass
|
|
# Re-validate every outbound connection at fetch time. validate_url only
|
|
# saw the submitted URL string; this catches redirects and DNS rebinding
|
|
# to internal hosts (cloud metadata, RFC1918) that it cannot. Skipped when
|
|
# ALLOW_PRIVATE_ADDRESSES trusts the environment (e.g. Fake-IP proxies).
|
|
install_socket_guard(self.allow_private)
|
|
log.info(f"Starting download for: {self.info.title} ({self.info.url})")
|
|
try:
|
|
debug_logging = logging.getLogger().isEnabledFor(logging.DEBUG)
|
|
put_status = self._make_progress_hook()
|
|
|
|
def put_status_postprocessor(d):
|
|
if d['postprocessor'] == 'MoveFiles' and d['status'] == 'finished':
|
|
filepath = d['info_dict']['filepath']
|
|
if '__finaldir' in d['info_dict']:
|
|
finaldir = d['info_dict']['__finaldir']
|
|
filename = os.path.join(finaldir, os.path.basename(filepath))
|
|
else:
|
|
filename = filepath
|
|
self.status_queue.put({'status': 'finished', 'filename': filename})
|
|
# For captions-only downloads, yt-dlp may still report a media-like
|
|
# filepath in MoveFiles. Capture subtitle outputs explicitly so the
|
|
# UI can link to real caption files.
|
|
if getattr(self.info, 'download_type', '') == 'captions':
|
|
requested_subtitles = d.get('info_dict', {}).get('requested_subtitles', {}) or {}
|
|
for subtitle in requested_subtitles.values():
|
|
if isinstance(subtitle, dict) and subtitle.get('filepath'):
|
|
self.status_queue.put({'subtitle_file': subtitle['filepath']})
|
|
|
|
# Capture all chapter files when SplitChapters finishes
|
|
elif d.get('postprocessor') == 'SplitChapters' and d.get('status') == 'finished':
|
|
chapters = d.get('info_dict', {}).get('chapters', [])
|
|
if chapters:
|
|
for chapter in chapters:
|
|
if isinstance(chapter, dict) and 'filepath' in chapter:
|
|
log.info(f"Captured chapter file: {chapter['filepath']}")
|
|
self.status_queue.put({'chapter_file': chapter['filepath']})
|
|
else:
|
|
log.warning("SplitChapters finished but no chapter files found in info_dict")
|
|
|
|
ytdl_params = {
|
|
'quiet': not debug_logging,
|
|
'verbose': debug_logging,
|
|
'no_color': True,
|
|
'paths': {"home": self.download_dir, "temp": self.temp_dir},
|
|
'outtmpl': { "default": self.output_template, "chapter": self.output_template_chapter },
|
|
'format': self.format,
|
|
'socket_timeout': 30,
|
|
'ignore_no_formats_error': True,
|
|
'progress_hooks': [put_status],
|
|
'postprocessor_hooks': [put_status_postprocessor],
|
|
**self.ytdl_opts,
|
|
}
|
|
|
|
# Add chapter splitting options if enabled
|
|
if self.info.split_by_chapters:
|
|
ytdl_params['outtmpl']['chapter'] = self.info.chapter_template
|
|
if 'postprocessors' not in ytdl_params:
|
|
ytdl_params['postprocessors'] = []
|
|
ytdl_params['postprocessors'].append({
|
|
'key': 'FFmpegSplitChapters',
|
|
'force_keyframes': False
|
|
})
|
|
|
|
clip_start = getattr(self.info, 'clip_start', None)
|
|
clip_end = getattr(self.info, 'clip_end', None)
|
|
if clip_start is not None or clip_end is not None:
|
|
start = float(clip_start) if clip_start is not None else 0.0
|
|
end = float(clip_end) if clip_end is not None else float('inf')
|
|
ytdl_params['download_ranges'] = yt_dlp.utils.download_range_func(
|
|
None,
|
|
[(start, end)],
|
|
)
|
|
|
|
ret = self._make_youtube_dl(ytdl_params).download([self.info.url])
|
|
self.status_queue.put({'status': 'finished' if ret == 0 else 'error'})
|
|
log.info(f"Finished download for: {self.info.title}")
|
|
except yt_dlp.utils.YoutubeDLError as exc:
|
|
log.error(f"Download error for {self.info.title}: {str(exc)}")
|
|
self.status_queue.put({'status': 'error', 'msg': str(exc)})
|
|
|
|
async def start(self, notifier, executor=None):
|
|
log.info(f"Preparing download for: {self.info.title}")
|
|
if Download.manager is None:
|
|
Download.manager = _MP_CTX.Manager()
|
|
self.status_queue = Download.manager.Queue()
|
|
self.proc = _MP_CTX.Process(target=self._download)
|
|
self.proc.start()
|
|
self.loop = asyncio.get_running_loop()
|
|
self.notifier = notifier
|
|
self._executor = executor
|
|
self.info.status = 'preparing'
|
|
await self.notifier.updated(self.info)
|
|
self.status_task = asyncio.create_task(self.update_status())
|
|
await self.loop.run_in_executor(self._executor, self.proc.join)
|
|
# Signal update_status to stop and wait for it to finish
|
|
# so that all status updates (including MoveFiles with correct
|
|
# file size) are processed before _post_download_cleanup runs.
|
|
if self.status_queue is not None:
|
|
self.status_queue.put(None)
|
|
await self.status_task
|
|
|
|
def _signal_group(self, sig):
|
|
"""Send *sig* to the download's process group, falling back to the
|
|
process itself. Returns True if a signal was delivered.
|
|
|
|
Only signal the whole group when the child actually became its own
|
|
group leader via os.setpgrp() in _download() — that sets its pgid
|
|
equal to its own pid. If it hasn't run setpgrp() yet, or setpgrp()
|
|
failed, its pgid is still the SERVER's group and killpg would signal
|
|
the entire MeTube process (PID 1 in Docker). Fall back to signalling
|
|
just the child process by pid in that case.
|
|
"""
|
|
try:
|
|
pgid = os.getpgid(self.proc.pid)
|
|
if pgid == self.proc.pid:
|
|
os.killpg(pgid, sig)
|
|
return True
|
|
except (OSError, AttributeError):
|
|
pass
|
|
try:
|
|
if sig == signal.SIGINT:
|
|
os.kill(self.proc.pid, sig)
|
|
else:
|
|
self.proc.kill()
|
|
return True
|
|
except Exception as e:
|
|
log.error(f"Error signalling process for {self.info.title}: {e}")
|
|
return False
|
|
|
|
def _kill_if_alive(self):
|
|
if self.running():
|
|
log.info(f"Escalating cancel to SIGKILL for: {self.info.title}")
|
|
self._signal_group(signal.SIGKILL)
|
|
|
|
def cancel(self):
|
|
log.info(f"Cancelling download: {self.info.title}")
|
|
if self.running():
|
|
# SIGINT first so yt-dlp/ffmpeg can finalize the partial file
|
|
# (livestream recordings stay playable); SIGKILL after a grace
|
|
# period if the process ignores it.
|
|
interrupted = self._signal_group(signal.SIGINT)
|
|
if interrupted and self.loop is not None:
|
|
self.loop.call_later(_CANCEL_GRACE_SECONDS, self._kill_if_alive)
|
|
else:
|
|
self._kill_if_alive()
|
|
self.canceled = True
|
|
if self.status_queue is not None:
|
|
self.status_queue.put(None)
|
|
|
|
def close(self):
|
|
log.info(f"Closing download process for: {self.info.title}")
|
|
try:
|
|
if self.started():
|
|
self.proc.close()
|
|
finally:
|
|
self.status_queue = None
|
|
|
|
def running(self):
|
|
try:
|
|
return self.proc is not None and self.proc.is_alive()
|
|
except ValueError:
|
|
return False
|
|
|
|
def started(self):
|
|
return self.proc is not None
|
|
|
|
async def update_status(self):
|
|
while True:
|
|
try:
|
|
status = await self.loop.run_in_executor(self._executor, self.status_queue.get)
|
|
except RuntimeError:
|
|
# The download executor was shut down (server shutting down);
|
|
# stop polling instead of raising a noisy background-task error.
|
|
log.info(f"Status polling stopped (executor shut down) for: {self.info.title}")
|
|
return
|
|
if status is None:
|
|
log.info(f"Status update finished for: {self.info.title}")
|
|
return
|
|
if self.canceled:
|
|
log.info(f"Download {self.info.title} is canceled; stopping status updates.")
|
|
return
|
|
self.tmpfilename = status.get('tmpfilename')
|
|
if 'filename' in status:
|
|
fileName = status.get('filename')
|
|
rel_name = os.path.relpath(fileName, self.download_dir)
|
|
# For captions mode, ignore media-like placeholders and let subtitle_file
|
|
# statuses define the final file shown in the UI.
|
|
if getattr(self.info, 'download_type', '') == 'captions':
|
|
requested_subtitle_format = str(getattr(self.info, 'format', '')).lower()
|
|
allowed_caption_exts = ('.txt',) if requested_subtitle_format == 'txt' else ('.vtt', '.srt', '.sbv', '.scc', '.ttml', '.dfxp')
|
|
if not rel_name.lower().endswith(allowed_caption_exts):
|
|
continue
|
|
self.info.filename = rel_name
|
|
self.info.size = os.path.getsize(fileName) if os.path.exists(fileName) else None
|
|
if getattr(self.info, 'download_type', '') == 'thumbnail':
|
|
# The thumbnail convertor always emits a .jpg, but yt-dlp may
|
|
# report the pre-conversion media/thumbnail extension
|
|
# (.webm/.mp4/.png/.webp/...). Normalise to .jpg regardless.
|
|
self.info.filename = os.path.splitext(self.info.filename)[0] + '.jpg'
|
|
|
|
# Handle chapter files
|
|
log.debug(f"Update status for {self.info.title}: {status}")
|
|
if 'chapter_file' in status:
|
|
chapter_file = status.get('chapter_file')
|
|
if not hasattr(self.info, 'chapter_files'):
|
|
self.info.chapter_files = []
|
|
rel_path = os.path.relpath(chapter_file, self.download_dir)
|
|
file_size = os.path.getsize(chapter_file) if os.path.exists(chapter_file) else None
|
|
#Postprocessor hook called multiple times with chapters. Only insert if not already present.
|
|
existing = next((cf for cf in self.info.chapter_files if cf['filename'] == rel_path), None)
|
|
if not existing:
|
|
self.info.chapter_files.append({'filename': rel_path, 'size': file_size})
|
|
# Skip the rest of status processing for chapter files
|
|
continue
|
|
|
|
if 'subtitle_file' in status:
|
|
subtitle_file = status.get('subtitle_file')
|
|
if not subtitle_file:
|
|
continue
|
|
subtitle_output_file = subtitle_file
|
|
|
|
# txt mode is derived from SRT by stripping cue metadata.
|
|
if getattr(self.info, 'download_type', '') == 'captions' and str(getattr(self.info, 'format', '')).lower() == 'txt':
|
|
converted_txt = _convert_srt_to_txt_file(subtitle_file)
|
|
if converted_txt:
|
|
subtitle_output_file = converted_txt
|
|
if converted_txt != subtitle_file:
|
|
try:
|
|
os.remove(subtitle_file)
|
|
except OSError as exc:
|
|
log.debug(f"Could not remove temporary SRT file {subtitle_file}: {exc}")
|
|
|
|
rel_path = os.path.relpath(subtitle_output_file, self.download_dir)
|
|
file_size = os.path.getsize(subtitle_output_file) if os.path.exists(subtitle_output_file) else None
|
|
existing = next((sf for sf in self.info.subtitle_files if sf['filename'] == rel_path), None)
|
|
if not existing:
|
|
self.info.subtitle_files.append({'filename': rel_path, 'size': file_size})
|
|
# Prefer first subtitle file as the primary result link in captions mode.
|
|
if getattr(self.info, 'download_type', '') == 'captions' and (
|
|
not getattr(self.info, 'filename', None) or
|
|
str(getattr(self.info, 'format', '')).lower() == 'txt'
|
|
):
|
|
self.info.filename = rel_path
|
|
self.info.size = file_size
|
|
continue
|
|
|
|
self.info.status = status['status']
|
|
self.info.msg = status.get('msg')
|
|
if 'downloaded_bytes' in status:
|
|
total = status.get('total_bytes') or status.get('total_bytes_estimate')
|
|
if total:
|
|
self.info.percent = status['downloaded_bytes'] / total * 100
|
|
self.info.speed = status.get('speed')
|
|
self.info.eta = status.get('eta')
|
|
log.debug(f"Updating status for {self.info.title}: {status}")
|
|
await self.notifier.updated(self.info)
|
|
|
|
class PersistentQueue:
|
|
def __init__(self, name, path):
|
|
self.identifier = name
|
|
pdir = os.path.dirname(path)
|
|
if pdir and not os.path.isdir(pdir):
|
|
os.makedirs(pdir, exist_ok=True)
|
|
self.legacy_path = path
|
|
self.path = f"{path}.json"
|
|
self.store = AtomicJsonStore(self.path, kind=f"persistent_queue:{name}")
|
|
self.dict = OrderedDict()
|
|
|
|
def load(self):
|
|
for k, v in self.saved_items():
|
|
self.dict[k] = Download(None, None, None, None, getattr(v, 'quality', 'best'), getattr(v, 'format', 'any'), {}, v)
|
|
|
|
def exists(self, key):
|
|
return key in self.dict
|
|
|
|
def get(self, key):
|
|
return self.dict[key]
|
|
|
|
def items(self):
|
|
return self.dict.items()
|
|
|
|
def saved_items(self):
|
|
items = [
|
|
(item["key"], _download_info_from_record(item["info"]))
|
|
for item in self._load_state_items()
|
|
]
|
|
return sorted(items, key=lambda item: item[1].timestamp)
|
|
|
|
def _should_persist_entry(self, info: DownloadInfo | dict[str, Any]) -> bool:
|
|
# Failed downloads need their compact playlist/channel context so a
|
|
# retry after a server restart still resolves the original outtmpl.
|
|
# Successful completed entries continue to omit extractor metadata.
|
|
status = info.get("status") if isinstance(info, dict) else info.status
|
|
return self.identifier != "completed" or status == "error"
|
|
|
|
def _serialize_items(self):
|
|
return [
|
|
{
|
|
"key": key,
|
|
"info": _download_info_to_record(
|
|
download.info,
|
|
include_entry=self._should_persist_entry(download.info),
|
|
),
|
|
}
|
|
for key, download in self.dict.items()
|
|
]
|
|
|
|
def _save_dict(self):
|
|
self.store.save({"items": self._serialize_items()})
|
|
|
|
def _load_state_items(self):
|
|
payload = self.store.load()
|
|
if payload is not None:
|
|
items = payload.get("items")
|
|
if isinstance(items, list):
|
|
compact_items = [
|
|
{
|
|
"key": item["key"],
|
|
"info": _download_info_to_record(
|
|
_download_info_from_record(item["info"]),
|
|
include_entry=self._should_persist_entry(item["info"]),
|
|
),
|
|
}
|
|
for item in items
|
|
if isinstance(item, dict) and "key" in item and "info" in item
|
|
]
|
|
if payload.get("schema_version") != self.store.schema_version or compact_items != items:
|
|
self.store.save({"items": compact_items})
|
|
return compact_items
|
|
log.warning("PersistentQueue:%s state file did not contain an items list", self.identifier)
|
|
return []
|
|
|
|
legacy_items = read_legacy_shelf(self.legacy_path)
|
|
if legacy_items is None:
|
|
return []
|
|
|
|
items = [
|
|
{
|
|
"key": key,
|
|
"info": _download_info_to_record(
|
|
value,
|
|
include_entry=self._should_persist_entry(value),
|
|
),
|
|
}
|
|
for key, value in sorted(legacy_items, key=lambda item: item[1].timestamp)
|
|
]
|
|
self.store.save({"items": items})
|
|
return items
|
|
|
|
def put(self, value):
|
|
key = value.info.url
|
|
old = self.dict.get(key)
|
|
self.dict[key] = value
|
|
try:
|
|
self._save_dict()
|
|
except Exception:
|
|
if old is None:
|
|
del self.dict[key]
|
|
else:
|
|
self.dict[key] = old
|
|
raise
|
|
|
|
def delete(self, key):
|
|
if key in self.dict:
|
|
old = self.dict[key]
|
|
del self.dict[key]
|
|
try:
|
|
self._save_dict()
|
|
except Exception:
|
|
self.dict[key] = old
|
|
raise
|
|
|
|
def empty(self):
|
|
return not bool(self.dict)
|
|
|
|
class DownloadQueue:
|
|
def __init__(self, config, notifier):
|
|
self.config = config
|
|
self.notifier = notifier
|
|
self.queue = PersistentQueue("queue", self.config.STATE_DIR + '/queue')
|
|
self.done = PersistentQueue("completed", self.config.STATE_DIR + '/completed')
|
|
self.pending = PersistentQueue("pending", self.config.STATE_DIR + '/pending')
|
|
self.active_downloads = set()
|
|
self.semaphore = asyncio.Semaphore(int(self.config.MAX_CONCURRENT_DOWNLOADS))
|
|
# Each active download parks two threads for its whole duration
|
|
# (proc.join + status_queue.get). A dedicated pool keeps those from
|
|
# starving the default executor, which extract_info/live-probes also use.
|
|
self._download_executor = ThreadPoolExecutor(
|
|
max_workers=2 * int(self.config.MAX_CONCURRENT_DOWNLOADS) + 2,
|
|
thread_name_prefix="dl",
|
|
)
|
|
self.done.load()
|
|
self._add_generation = 0
|
|
self._canceled_urls = set() # URLs canceled during current playlist add
|
|
self._scheduled_probe_at: dict[str, float] = {}
|
|
self._scheduled_probe_failures: dict[str, int] = {}
|
|
self._live_monitor_task: Optional[asyncio.Task] = None
|
|
self._live_monitor_wakeup = asyncio.Event()
|
|
|
|
def cancel_add(self):
|
|
self._add_generation += 1
|
|
log.info('Playlist add operation canceled by user')
|
|
|
|
@staticmethod
|
|
def __is_channel_extraction(entry):
|
|
"""Return True when yt-dlp reported a channel tab as a playlist.
|
|
|
|
YouTube channel tabs are extracted with ``_type: 'playlist'`` but set
|
|
``id`` equal to ``channel_id``; real playlists keep a distinct id.
|
|
"""
|
|
channel_id = entry.get('channel_id')
|
|
return bool(channel_id) and entry.get('id') == channel_id
|
|
|
|
async def __import_queue(self):
|
|
for k, v in self.queue.saved_items():
|
|
await self.__add_download(v, True)
|
|
|
|
async def __import_pending(self):
|
|
for k, v in self.pending.saved_items():
|
|
await self.__add_download(v, False)
|
|
|
|
async def initialize(self):
|
|
log.info("Initializing DownloadQueue")
|
|
self._start_live_monitor()
|
|
bg_tasks.create_task(self.__import_queue(), name="import_queue")
|
|
bg_tasks.create_task(self.__import_pending(), name="import_pending")
|
|
|
|
def _start_live_monitor(self) -> None:
|
|
if self._live_monitor_task is not None and not self._live_monitor_task.done():
|
|
return
|
|
# bg_tasks.create_task already logs unexpected task failures with the name.
|
|
self._live_monitor_task = bg_tasks.create_task(self._live_monitor_loop(), name="live_monitor")
|
|
|
|
def _register_scheduled(self, download: Download) -> None:
|
|
self._scheduled_probe_at[download.info.url] = 0
|
|
self._scheduled_probe_failures.pop(download.info.url, None)
|
|
self._start_live_monitor()
|
|
self._wake_live_monitor()
|
|
|
|
def _unregister_scheduled(self, url: str) -> None:
|
|
self._scheduled_probe_at.pop(url, None)
|
|
self._scheduled_probe_failures.pop(url, None)
|
|
|
|
def _wake_live_monitor(self) -> None:
|
|
try:
|
|
self._live_monitor_wakeup.set()
|
|
except RuntimeError:
|
|
pass
|
|
|
|
def _probe_interval_seconds(self, release_timestamp: Any) -> float:
|
|
if release_timestamp is not None:
|
|
try:
|
|
diff = float(release_timestamp) - time.time()
|
|
if diff > 0:
|
|
return max(_LIVE_CHECK_INTERVAL, min(diff, _LIVE_MAX_CHECK_INTERVAL))
|
|
except (TypeError, ValueError):
|
|
pass
|
|
return float(_LIVE_CHECK_INTERVAL)
|
|
|
|
def _seconds_until_next_probe(self) -> Optional[float]:
|
|
"""Time until the earliest scheduled probe, or None when nothing is scheduled."""
|
|
if not self._scheduled_probe_at:
|
|
return None
|
|
return max(0.0, min(self._scheduled_probe_at.values()) - time.time())
|
|
|
|
async def _live_monitor_loop(self) -> None:
|
|
while True:
|
|
timeout = self._seconds_until_next_probe()
|
|
try:
|
|
await asyncio.wait_for(self._live_monitor_wakeup.wait(), timeout=timeout)
|
|
except asyncio.TimeoutError:
|
|
pass
|
|
self._live_monitor_wakeup.clear()
|
|
now = time.time()
|
|
due: list[Download] = []
|
|
for url, probe_at in list(self._scheduled_probe_at.items()):
|
|
if now < probe_at:
|
|
continue
|
|
if not self.queue.exists(url):
|
|
self._unregister_scheduled(url)
|
|
continue
|
|
download = self.queue.get(url)
|
|
if download.info.status != 'scheduled' or download.canceled:
|
|
self._unregister_scheduled(url)
|
|
continue
|
|
due.append(download)
|
|
for download in due:
|
|
try:
|
|
await self._probe_scheduled_download(download)
|
|
except Exception as exc:
|
|
# Defensive: _probe_scheduled_download handles its own errors,
|
|
# but never let an unexpected failure leave probe_at in the past
|
|
# (which would spin this loop) or kill the monitor task.
|
|
log.exception("Scheduled live probe crashed for %s: %s", download.info.url, exc)
|
|
if download.info.url in self._scheduled_probe_at:
|
|
self._scheduled_probe_at[download.info.url] = time.time() + _LIVE_CHECK_INTERVAL
|
|
|
|
async def _probe_scheduled_download(self, download: Download) -> None:
|
|
url = download.info.url
|
|
info = download.info
|
|
if info.status != 'scheduled' or download.canceled:
|
|
self._unregister_scheduled(url)
|
|
return
|
|
|
|
try:
|
|
entry = await asyncio.get_running_loop().run_in_executor(
|
|
None,
|
|
partial(
|
|
self.__extract_info,
|
|
url,
|
|
getattr(info, 'ytdl_options_presets', None),
|
|
getattr(info, 'ytdl_options_overrides', {}) or {},
|
|
),
|
|
)
|
|
except Exception as exc:
|
|
# Treat all probe failures (transient network blips, rate limits,
|
|
# extractor errors) as recoverable up to a point: retry on the next
|
|
# interval and only give up after repeated consecutive failures so a
|
|
# momentary glitch doesn't abandon a stream the user is waiting for.
|
|
fails = self._scheduled_probe_failures.get(url, 0) + 1
|
|
self._scheduled_probe_failures[url] = fails
|
|
if fails >= _LIVE_PROBE_MAX_FAILURES:
|
|
log.warning(
|
|
"Giving up on scheduled live probe for %s after %d consecutive failures: %s",
|
|
info.title, fails, exc,
|
|
)
|
|
info.status = 'error'
|
|
info.msg = str(exc)
|
|
if not info.error:
|
|
info.error = str(exc)
|
|
self._unregister_scheduled(url)
|
|
self.queue.delete(url)
|
|
self.done.put(download)
|
|
await self.notifier.completed(info)
|
|
else:
|
|
log.warning(
|
|
"Scheduled live probe failed for %s (attempt %d/%d), will retry: %s",
|
|
info.title, fails, _LIVE_PROBE_MAX_FAILURES, exc,
|
|
)
|
|
self._scheduled_probe_at[url] = time.time() + _LIVE_CHECK_INTERVAL
|
|
return
|
|
|
|
# Successful probe resets the transient-failure streak.
|
|
self._scheduled_probe_failures.pop(url, None)
|
|
|
|
release_ts = entry.get('release_timestamp')
|
|
live_status = entry.get('live_status')
|
|
if release_ts is not None:
|
|
info.live_release_timestamp = release_ts
|
|
if live_status is not None:
|
|
info.live_status = live_status
|
|
|
|
if live_status == 'is_upcoming':
|
|
self._scheduled_probe_at[url] = time.time() + self._probe_interval_seconds(release_ts)
|
|
await self.notifier.updated(info)
|
|
return
|
|
|
|
self._unregister_scheduled(url)
|
|
info.status = 'pending'
|
|
# Clear the "scheduled to start at ..." placeholder now that the stream
|
|
# is live and a real download is about to begin.
|
|
info.error = None
|
|
info.msg = None
|
|
await self.notifier.updated(info)
|
|
bg_tasks.create_task(self.__start_download(download), name="start_download")
|
|
|
|
def _schedule_upcoming_download(self, download: Download) -> None:
|
|
download.info.status = 'scheduled'
|
|
self.queue.put(download)
|
|
self._register_scheduled(download)
|
|
|
|
def _force_start_scheduled(self, download: Download) -> None:
|
|
self._unregister_scheduled(download.info.url)
|
|
download.info.status = 'pending'
|
|
download.info.error = None
|
|
download.info.msg = None
|
|
bg_tasks.create_task(self.__start_download(download), name="start_download")
|
|
|
|
async def __start_download(self, download):
|
|
if download.canceled:
|
|
log.info(f"Download {download.info.title} was canceled, skipping start.")
|
|
return
|
|
async with self.semaphore:
|
|
if download.canceled:
|
|
log.info(f"Download {download.info.title} was canceled, skipping start.")
|
|
return
|
|
await download.start(self.notifier, self._download_executor)
|
|
self._post_download_cleanup(download)
|
|
|
|
def _post_download_cleanup(self, download):
|
|
if download.info.status != 'finished':
|
|
if download.tmpfilename and os.path.isfile(download.tmpfilename):
|
|
try:
|
|
os.remove(download.tmpfilename)
|
|
except OSError:
|
|
pass
|
|
download.info.status = 'error'
|
|
# A progress tick may have set filename to a temp-directory
|
|
# relative path before the error occurred; clear it so the UI
|
|
# doesn't render a broken link (or, worse, so a later trashcan
|
|
# delete doesn't act on a path outside the download directory).
|
|
# Captions downloads may still have captured valid subtitle
|
|
# files even when the overall status is 'error' — keep those.
|
|
has_captured_subtitles = bool(getattr(download.info, 'subtitle_files', None))
|
|
if not (download.info.download_type == 'captions' and has_captured_subtitles):
|
|
download.info.filename = None
|
|
download.info.size = None
|
|
download.close()
|
|
if self.queue.exists(download.info.url):
|
|
self.queue.delete(download.info.url)
|
|
if download.canceled:
|
|
bg_tasks.create_task(self.notifier.canceled(download.info.url), name="notify_canceled")
|
|
else:
|
|
self.done.put(download)
|
|
bg_tasks.create_task(self.notifier.completed(download.info), name="notify_completed")
|
|
try:
|
|
clear_after = int(self.config.CLEAR_COMPLETED_AFTER)
|
|
except ValueError:
|
|
log.error(f'CLEAR_COMPLETED_AFTER is set to an invalid value "{self.config.CLEAR_COMPLETED_AFTER}", expected an integer number of seconds')
|
|
clear_after = 0
|
|
if clear_after > 0:
|
|
# bg_tasks.create_task already logs unexpected task failures.
|
|
bg_tasks.create_task(
|
|
self.__auto_clear_after_delay(download.info.url, clear_after),
|
|
name="auto_clear",
|
|
)
|
|
|
|
async def __auto_clear_after_delay(self, url, delay_seconds):
|
|
await asyncio.sleep(delay_seconds)
|
|
if self.done.exists(url):
|
|
log.debug(f'Auto-clearing completed download: {url}')
|
|
await self.clear([url])
|
|
|
|
def _build_ytdl_options(self, ytdl_options_presets=None, ytdl_options_overrides=None):
|
|
"""Merge global options, presets (in order), and per-download overrides."""
|
|
opts = dict(self.config.YTDL_OPTIONS)
|
|
opts.update(merge_ytdl_option_layers(
|
|
ytdl_options_presets, ytdl_options_overrides, self.config.YTDL_OPTIONS_PRESETS
|
|
))
|
|
return opts
|
|
|
|
def __extract_info(self, url, ytdl_options_presets=None, ytdl_options_overrides=None):
|
|
# NOTE: extraction runs in the main process, so the connect-time socket
|
|
# guard (installed only in the download subprocess) does not apply here.
|
|
# The ingress validate_url check guards the submitted URL, but redirects
|
|
# followed during extraction are not re-validated. See url_guard's module
|
|
# docstring for why the guard can't be installed process-wide.
|
|
debug_logging = logging.getLogger().isEnabledFor(logging.DEBUG)
|
|
user_opts = self._build_ytdl_options(ytdl_options_presets, ytdl_options_overrides)
|
|
params = {
|
|
**user_opts,
|
|
'quiet': not debug_logging,
|
|
'verbose': debug_logging,
|
|
'no_color': True,
|
|
'extract_flat': True,
|
|
'ignore_no_formats_error': True,
|
|
'noplaylist': True,
|
|
'paths': {"home": self.config.DOWNLOAD_DIR, "temp": self.config.TEMP_DIR},
|
|
}
|
|
imp = user_opts.get('impersonate')
|
|
if imp is not None:
|
|
params['impersonate'] = yt_dlp.networking.impersonate.ImpersonateTarget.from_str(imp)
|
|
return yt_dlp.YoutubeDL(params=params).extract_info(url, download=False)
|
|
|
|
def __calc_download_path(self, download_type, folder):
|
|
base_directory = self.config.AUDIO_DOWNLOAD_DIR if download_type == 'audio' else self.config.DOWNLOAD_DIR
|
|
if folder:
|
|
if not self.config.CUSTOM_DIRS:
|
|
return None, {'status': 'error', 'msg': 'A folder for the download was specified but CUSTOM_DIRS is not true in the configuration.'}
|
|
dldirectory = os.path.realpath(os.path.join(base_directory, folder))
|
|
real_base_directory = os.path.realpath(base_directory)
|
|
if not _is_within_directory(real_base_directory, dldirectory):
|
|
return None, {'status': 'error', 'msg': f'Folder "{folder}" must resolve inside the base download directory "{real_base_directory}"'}
|
|
if not os.path.isdir(dldirectory):
|
|
if not self.config.CREATE_CUSTOM_DIRS:
|
|
return None, {'status': 'error', 'msg': f'Folder "{folder}" for download does not exist inside base directory "{real_base_directory}", and CREATE_CUSTOM_DIRS is not true in the configuration.'}
|
|
os.makedirs(dldirectory, exist_ok=True)
|
|
else:
|
|
dldirectory = base_directory
|
|
return dldirectory, None
|
|
|
|
async def __add_download(self, dl, auto_start):
|
|
dldirectory, error_message = self.__calc_download_path(dl.download_type, dl.folder)
|
|
if error_message is not None:
|
|
return error_message
|
|
output = self.config.OUTPUT_TEMPLATE if len(dl.custom_name_prefix) == 0 else f'{dl.custom_name_prefix}.{self.config.OUTPUT_TEMPLATE}'
|
|
output_chapter = self.config.OUTPUT_TEMPLATE_CHAPTER
|
|
entry = getattr(dl, 'entry', None)
|
|
if entry is not None and entry.get('playlist_index') is not None:
|
|
if len(self.config.OUTPUT_TEMPLATE_PLAYLIST):
|
|
output = self.config.OUTPUT_TEMPLATE_PLAYLIST
|
|
sanitized = {k: _sanitize_path_component(v) for k, v in entry.items()}
|
|
output = _resolve_outtmpl_fields(output, sanitized, ('playlist',))
|
|
if entry is not None and entry.get('channel_index') is not None:
|
|
if len(self.config.OUTPUT_TEMPLATE_CHANNEL):
|
|
output = self.config.OUTPUT_TEMPLATE_CHANNEL
|
|
sanitized = {k: _sanitize_path_component(v) for k, v in entry.items()}
|
|
output = _resolve_outtmpl_fields(output, sanitized, ('channel',))
|
|
ytdl_options = self._build_ytdl_options(
|
|
getattr(dl, 'ytdl_options_presets', None),
|
|
getattr(dl, 'ytdl_options_overrides', {}) or {},
|
|
)
|
|
playlist_item_limit = getattr(dl, 'playlist_item_limit', 0)
|
|
if playlist_item_limit > 0:
|
|
log.info(f'playlist limit is set. Processing only first {playlist_item_limit} entries')
|
|
ytdl_options['playlistend'] = playlist_item_limit
|
|
download = Download(dldirectory, self.config.TEMP_DIR, output, output_chapter, dl.quality, dl.format, ytdl_options, dl, allow_private=self.config.ALLOW_PRIVATE_ADDRESSES)
|
|
is_upcoming = (
|
|
getattr(dl, 'live_status', None) == 'is_upcoming'
|
|
or getattr(dl, 'status', None) == 'scheduled'
|
|
)
|
|
if auto_start is True:
|
|
if is_upcoming:
|
|
self._schedule_upcoming_download(download)
|
|
else:
|
|
self.queue.put(download)
|
|
bg_tasks.create_task(self.__start_download(download), name="start_download")
|
|
else:
|
|
self.pending.put(download)
|
|
await self.notifier.added(dl)
|
|
|
|
async def __add_entry(
|
|
self,
|
|
entry,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
already,
|
|
_add_gen=None,
|
|
):
|
|
if not entry:
|
|
return {'status': 'error', 'msg': "Invalid/empty data was given."}
|
|
|
|
error = None
|
|
if "live_status" in entry and "release_timestamp" in entry and entry.get("live_status") == "is_upcoming":
|
|
# astimezone() makes this an aware datetime in the server's local
|
|
# zone; a naive datetime's %z renders as an empty string.
|
|
dt_ts = datetime.fromtimestamp(entry.get("release_timestamp")).astimezone().strftime('%Y-%m-%d %H:%M:%S %z')
|
|
error = f"Live stream is scheduled to start at {dt_ts}"
|
|
else:
|
|
if "msg" in entry:
|
|
error = entry["msg"]
|
|
|
|
etype = entry.get('_type') or 'video'
|
|
|
|
if etype.startswith('url'):
|
|
log.debug('Processing as a url')
|
|
return await self.add(
|
|
entry['url'],
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
already,
|
|
_add_gen,
|
|
)
|
|
elif etype == 'playlist' or etype == 'channel':
|
|
if etype == 'playlist' and self.__is_channel_extraction(entry):
|
|
etype = 'channel'
|
|
log.debug(f'Processing as a {etype}')
|
|
entries = entry['entries']
|
|
# Convert generator to list if needed (for len() and slicing operations)
|
|
if isinstance(entries, types.GeneratorType):
|
|
entries = list(entries)
|
|
total_entries = len(entries)
|
|
log.info(f'{etype} detected with {total_entries} entries')
|
|
index_digits = len(str(total_entries))
|
|
results = []
|
|
if playlist_item_limit > 0:
|
|
log.info(f'Item limit is set. Processing only first {playlist_item_limit} entries')
|
|
entries = entries[:playlist_item_limit]
|
|
for index, etr in enumerate(entries, start=1):
|
|
if _add_gen is not None and self._add_generation != _add_gen:
|
|
log.info(f'Playlist add canceled after processing {len(already)} entries')
|
|
return {'status': 'ok', 'msg': f'Canceled - added {len(already)} items before cancel'}
|
|
if "id" not in etr:
|
|
etr["id"] = _entry_id(etr)
|
|
etr["_type"] = "video"
|
|
if etype == 'channel':
|
|
etr["channel"] = (
|
|
entry.get("channel")
|
|
or entry.get("uploader")
|
|
or entry.get("title")
|
|
or entry.get("id")
|
|
)
|
|
else:
|
|
etr["playlist"] = entry.get("id") or entry.get("channel_id") or entry.get("channel")
|
|
etr[f"{etype}_index"] = '{{0:0{0:d}d}}'.format(index_digits).format(index)
|
|
etr[f"{etype}_count"] = total_entries
|
|
etr[f"{etype}_autonumber"] = index
|
|
# n_entries: standard yt-dlp field for total count (used by template engine)
|
|
# __last_playlist_index: yt-dlp internal field for auto-padding autonumber
|
|
etr["n_entries"] = total_entries
|
|
etr["__last_playlist_index"] = total_entries
|
|
for property in ("id", "title", "uploader", "uploader_id"):
|
|
if property in entry:
|
|
etr[f"{etype}_{property}"] = entry[property]
|
|
results.append(
|
|
await self.__add_entry(
|
|
etr,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
already,
|
|
_add_gen,
|
|
)
|
|
)
|
|
if any(res['status'] == 'error' for res in results):
|
|
return {'status': 'error', 'msg': ', '.join(res['msg'] for res in results if res['status'] == 'error' and 'msg' in res)}
|
|
return {'status': 'ok'}
|
|
elif etype == 'video':
|
|
log.debug('Processing as a video')
|
|
key = entry.get('webpage_url') or entry['url']
|
|
if key in self._canceled_urls:
|
|
log.info(f'Skipping canceled URL: {entry.get("title") or key}')
|
|
return {'status': 'ok'}
|
|
if self.queue.exists(key) or self.pending.exists(key):
|
|
# Surface the skip instead of silently no-op'ing, and avoid
|
|
# clobbering an existing pending entry's options with a
|
|
# fresh DownloadInfo built from possibly-different args.
|
|
title = entry.get('title') or key
|
|
return {'status': 'ok', 'msg': f'Already in queue: {title}'}
|
|
dl = DownloadInfo(
|
|
id=entry['id'],
|
|
title=entry.get('title') or entry['id'],
|
|
url=key,
|
|
quality=quality,
|
|
download_type=download_type,
|
|
codec=codec,
|
|
format=format,
|
|
folder=folder,
|
|
custom_name_prefix=custom_name_prefix,
|
|
error=error,
|
|
entry=entry,
|
|
playlist_item_limit=playlist_item_limit,
|
|
split_by_chapters=split_by_chapters,
|
|
chapter_template=chapter_template,
|
|
subtitle_language=subtitle_language,
|
|
subtitle_mode=subtitle_mode,
|
|
ytdl_options_presets=ytdl_options_presets,
|
|
ytdl_options_overrides=ytdl_options_overrides,
|
|
clip_start=clip_start,
|
|
clip_end=clip_end,
|
|
live_status=entry.get('live_status'),
|
|
live_release_timestamp=entry.get('release_timestamp'),
|
|
)
|
|
await self.__add_download(dl, auto_start)
|
|
return {'status': 'ok'}
|
|
return {'status': 'error', 'msg': f'Unsupported resource "{etype}"'}
|
|
|
|
async def __record_add_failure(
|
|
self,
|
|
url,
|
|
msg,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
entry=None,
|
|
):
|
|
"""Surface a URL that failed before a DownloadInfo could be created (unsupported
|
|
URL, SSRF-rejected, extraction error) as a failed entry in the done list, so the
|
|
frontend shows it with the same red-cross/retry/error-detail treatment as a
|
|
download that failed mid-stream, instead of only a toast and a server log line."""
|
|
info = DownloadInfo(
|
|
id=url,
|
|
title=_short_title_for_failed_url(url),
|
|
url=url,
|
|
quality=quality,
|
|
download_type=download_type,
|
|
codec=codec,
|
|
format=format,
|
|
folder=folder,
|
|
custom_name_prefix=custom_name_prefix,
|
|
error=msg,
|
|
entry=entry,
|
|
playlist_item_limit=playlist_item_limit,
|
|
split_by_chapters=split_by_chapters,
|
|
chapter_template=chapter_template,
|
|
subtitle_language=subtitle_language,
|
|
subtitle_mode=subtitle_mode,
|
|
ytdl_options_presets=ytdl_options_presets,
|
|
ytdl_options_overrides=ytdl_options_overrides,
|
|
clip_start=clip_start,
|
|
clip_end=clip_end,
|
|
)
|
|
info.status = 'error'
|
|
info.msg = msg
|
|
download = Download(None, None, None, None, quality, format, {}, info)
|
|
self.done.put(download)
|
|
await self.notifier.completed(info)
|
|
|
|
async def add(
|
|
self,
|
|
url,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start=True,
|
|
split_by_chapters=False,
|
|
chapter_template=None,
|
|
subtitle_language="en",
|
|
subtitle_mode="prefer_manual",
|
|
ytdl_options_presets=None,
|
|
ytdl_options_overrides=None,
|
|
clip_start=None,
|
|
clip_end=None,
|
|
already=None,
|
|
_add_gen=None,
|
|
retry_entry=None,
|
|
):
|
|
if ytdl_options_presets is None:
|
|
ytdl_options_presets = []
|
|
log.info(
|
|
f'adding {url}: {download_type=} {codec=} {format=} {quality=} {already=} {folder=} {custom_name_prefix=} '
|
|
f'{playlist_item_limit=} {auto_start=} {split_by_chapters=} {chapter_template=} '
|
|
f'{subtitle_language=} {subtitle_mode=} {ytdl_options_presets=} {clip_start=} {clip_end=}'
|
|
)
|
|
if already is None:
|
|
_add_gen = self._add_generation
|
|
self._canceled_urls.clear()
|
|
already = set() if already is None else already
|
|
if url in already:
|
|
log.info('recursion detected, skipping')
|
|
return {'status': 'ok'}
|
|
else:
|
|
already.add(url)
|
|
# SSRF guard: reject non-http(s) schemes and hosts resolving to
|
|
# internal/loopback/link-local/metadata addresses before yt-dlp fetches
|
|
# anything. run_in_executor because validate_url may perform a DNS lookup.
|
|
url_error = await asyncio.get_running_loop().run_in_executor(
|
|
None, partial(validate_url, url, allow_private=self.config.ALLOW_PRIVATE_ADDRESSES))
|
|
if url_error is not None:
|
|
log.warning('Rejected URL "%s": %s', url, url_error)
|
|
await self.__record_add_failure(
|
|
url, url_error, download_type, codec, format, quality, folder,
|
|
custom_name_prefix, playlist_item_limit, split_by_chapters, chapter_template,
|
|
subtitle_language, subtitle_mode, ytdl_options_presets, ytdl_options_overrides,
|
|
clip_start, clip_end, retry_entry,
|
|
)
|
|
return {'status': 'error', 'msg': url_error}
|
|
try:
|
|
entry = await asyncio.get_running_loop().run_in_executor(
|
|
None,
|
|
partial(self.__extract_info, url, ytdl_options_presets, ytdl_options_overrides),
|
|
)
|
|
except yt_dlp.utils.YoutubeDLError as exc:
|
|
msg = str(exc)
|
|
await self.__record_add_failure(
|
|
url, msg, download_type, codec, format, quality, folder,
|
|
custom_name_prefix, playlist_item_limit, split_by_chapters, chapter_template,
|
|
subtitle_language, subtitle_mode, ytdl_options_presets, ytdl_options_overrides,
|
|
clip_start, clip_end, retry_entry,
|
|
)
|
|
return {'status': 'error', 'msg': msg}
|
|
retry_context = _compact_persisted_entry(retry_entry)
|
|
if isinstance(entry, dict) and retry_context is not None:
|
|
entry = {**entry, **copy.deepcopy(retry_context)}
|
|
return await self.__add_entry(
|
|
entry,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
already,
|
|
_add_gen,
|
|
)
|
|
|
|
async def retry(self, id):
|
|
if not self.done.exists(id):
|
|
return {'status': 'error', 'msg': 'Failed download no longer exists.'}
|
|
|
|
info = self.done.get(id).info
|
|
if info.status != 'error':
|
|
return {'status': 'error', 'msg': 'Only failed downloads can be retried.'}
|
|
|
|
return await self.add(
|
|
info.url,
|
|
info.download_type,
|
|
info.codec,
|
|
info.format,
|
|
info.quality,
|
|
info.folder,
|
|
info.custom_name_prefix,
|
|
info.playlist_item_limit,
|
|
True,
|
|
info.split_by_chapters,
|
|
info.chapter_template,
|
|
info.subtitle_language,
|
|
info.subtitle_mode,
|
|
info.ytdl_options_presets,
|
|
info.ytdl_options_overrides,
|
|
info.clip_start,
|
|
info.clip_end,
|
|
retry_entry=info.entry,
|
|
)
|
|
|
|
async def add_entry(
|
|
self,
|
|
entry,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start=True,
|
|
split_by_chapters=False,
|
|
chapter_template=None,
|
|
subtitle_language="en",
|
|
subtitle_mode="prefer_manual",
|
|
ytdl_options_presets=None,
|
|
ytdl_options_overrides=None,
|
|
clip_start=None,
|
|
clip_end=None,
|
|
):
|
|
if ytdl_options_presets is None:
|
|
ytdl_options_presets = []
|
|
normalized_entry = copy.deepcopy(entry) if isinstance(entry, dict) else entry
|
|
already = set()
|
|
return await self.__add_entry(
|
|
normalized_entry,
|
|
download_type,
|
|
codec,
|
|
format,
|
|
quality,
|
|
folder,
|
|
custom_name_prefix,
|
|
playlist_item_limit,
|
|
auto_start,
|
|
split_by_chapters,
|
|
chapter_template,
|
|
subtitle_language,
|
|
subtitle_mode,
|
|
ytdl_options_presets,
|
|
ytdl_options_overrides,
|
|
clip_start,
|
|
clip_end,
|
|
already,
|
|
None,
|
|
)
|
|
|
|
async def start_pending(self, ids):
|
|
for id in ids:
|
|
if self.pending.exists(id):
|
|
dl = self.pending.get(id)
|
|
self.pending.delete(id)
|
|
if getattr(dl.info, 'live_status', None) == 'is_upcoming':
|
|
self._schedule_upcoming_download(dl)
|
|
else:
|
|
self.queue.put(dl)
|
|
bg_tasks.create_task(self.__start_download(dl), name="start_download")
|
|
continue
|
|
if self.queue.exists(id):
|
|
dl = self.queue.get(id)
|
|
if dl.info.status == 'scheduled':
|
|
self._force_start_scheduled(dl)
|
|
continue
|
|
log.warning(f'requested start for non-existent download {id}')
|
|
return {'status': 'ok'}
|
|
|
|
async def cancel(self, ids):
|
|
for id in ids:
|
|
# Track URL so playlist add loop won't re-queue it
|
|
self._canceled_urls.add(id)
|
|
if self.pending.exists(id):
|
|
self.pending.delete(id)
|
|
await self.notifier.canceled(id)
|
|
continue
|
|
if not self.queue.exists(id):
|
|
log.warning(f'requested cancel for non-existent download {id}')
|
|
continue
|
|
dl = self.queue.get(id)
|
|
if dl.info.status == 'scheduled':
|
|
self._unregister_scheduled(id)
|
|
if dl.started():
|
|
dl.cancel()
|
|
else:
|
|
dl.canceled = True
|
|
self.queue.delete(id)
|
|
await self.notifier.canceled(id)
|
|
return {'status': 'ok'}
|
|
|
|
async def clear(self, ids):
|
|
for id in ids:
|
|
if not self.done.exists(id):
|
|
log.warning(f'requested delete for non-existent download {id}')
|
|
continue
|
|
if self.config.DELETE_FILE_ON_TRASHCAN:
|
|
dl = self.done.get(id)
|
|
dldirectory, calc_error = self.__calc_download_path(dl.info.download_type, dl.info.folder)
|
|
if calc_error is not None or not dldirectory:
|
|
log.warning(f'deleting files for download {id} skipped: could not resolve download directory')
|
|
else:
|
|
# Remove the primary output plus any per-chapter / per-subtitle
|
|
# outputs. Each filename is relative to the download directory.
|
|
rel_names = []
|
|
if getattr(dl.info, 'filename', None):
|
|
rel_names.append(dl.info.filename)
|
|
for extra in (getattr(dl.info, 'chapter_files', None) or []):
|
|
if isinstance(extra, dict) and extra.get('filename'):
|
|
rel_names.append(extra['filename'])
|
|
for extra in (getattr(dl.info, 'subtitle_files', None) or []):
|
|
if isinstance(extra, dict) and extra.get('filename'):
|
|
rel_names.append(extra['filename'])
|
|
real_base_directory = os.path.realpath(dldirectory)
|
|
for rel_name in rel_names:
|
|
full_path = os.path.realpath(os.path.join(dldirectory, rel_name))
|
|
if not _is_within_directory(real_base_directory, full_path):
|
|
log.warning(f'skipping deletion of "{rel_name}" for download {id}: resolves outside the download directory')
|
|
continue
|
|
try:
|
|
os.remove(full_path)
|
|
except FileNotFoundError:
|
|
pass
|
|
except OSError as e:
|
|
log.warning(f'deleting file "{rel_name}" for download {id} failed with error message {e!r}')
|
|
self.done.delete(id)
|
|
await self.notifier.cleared(id)
|
|
return {'status': 'ok'}
|
|
|
|
def get(self):
|
|
return (list((k, v.info) for k, v in self.queue.items()) +
|
|
list((k, v.info) for k, v in self.pending.items()),
|
|
list((k, v.info) for k, v in self.done.items()))
|
|
|
|
def close(self):
|
|
# Kill any still-running download subprocesses (and their ffmpeg
|
|
# children) before tearing down the executor, so they aren't orphaned
|
|
# when the server exits. Their queue entries stay persisted and are
|
|
# re-imported/restarted on next startup.
|
|
for _key, download in list(self.queue.items()):
|
|
if download.started() and download.running():
|
|
download.cancel()
|
|
self._download_executor.shutdown(wait=False, cancel_futures=True)
|