peter
fea6f55d4f
- edit.py: extract _run_ffmpeg_best_effort (one run+timeout+swallow policy shared by
thumbnail_to_jpg / ensure_poster / ensure_storyboard) + a build_thumbnail_jpg_cmd
builder, matching the module's other ffmpeg commands.
- thumbnail_to_jpg: copy an already-JPEG thumbnail (Facebook, and Reddit's jpeg-under-
a-.png-name) instead of re-encoding it; only webp/png-proper are decoded via ffmpeg.
- errors.py: drop the redundant "account authentication" classify marker
("authentication is required" already covers the known Reddit message).
- formats.py: document that the opt-in EmbedThumbnail is unaffected by dropping the
convertor (it converts unsupported thumbs to PNG, not the crashing mjpeg2jpeg path).
- test_titles.py: guard the ReDoS regression with a thread + timeout (deterministic
"must not hang") instead of a wall-clock assertion.
80 lines
3.7 KiB
Python
80 lines
3.7 KiB
Python
"""Classify a raw yt-dlp / ffmpeg failure string into a stable category code.
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The worker stores the raw exception text (truncated) for technical detail, but a raw
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`ERROR: [youtube] <id>: Private video. Sign in…` is noise to a user. `classify()` maps that text
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to one of a small set of category codes; the frontend turns the code into a localized, human
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explanation (and decides whether a retry makes sense). The raw text stays available behind a
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"details" disclosure. This is the same string-matching approach the worker already trusts for
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`_RETRIABLE_MARKERS` — kept here as the single source of truth for "what kind of failure is this".
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"""
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# (marker, category) — first match wins, so order most-specific → most-general. Matching is
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# case-insensitive on a substring, against the raw yt-dlp/ffmpeg message.
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_RULES: tuple[tuple[str, str], ...] = (
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# Login / age / members / bot-check — the user must be signed in (we deliberately are not).
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("sign in to confirm your age", "login_required"),
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("confirm your age", "login_required"),
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("sign in to confirm you're not a bot", "login_required"),
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("not a bot", "login_required"),
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("sign in to confirm", "login_required"),
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("members-only", "login_required"),
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("available to this channel's members", "login_required"),
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("join this channel", "login_required"),
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("this video is only available to", "login_required"),
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# Some extractors (e.g. Reddit) gate content behind a logged-in account: "Account
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# authentication is required." — an auth wall we deliberately don't cross, not a transient error.
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("authentication is required", "login_required"),
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# Geo-restricted.
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("in your country", "geo_blocked"),
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("available in your location", "geo_blocked"),
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("not available from your location", "geo_blocked"),
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("geo restricted", "geo_blocked"),
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# An edit's source download went away — our own wording, and MORE specific than the generic
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# "no longer available" below, so it must be matched first.
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("source download is no longer available", "source_missing"),
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("source file is missing", "source_missing"),
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# Private / deleted / removed / terminated.
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("private video", "unavailable"),
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("video unavailable", "unavailable"),
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("no longer available", "unavailable"),
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("has been removed", "unavailable"),
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("removed by the uploader", "unavailable"),
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("account associated with this video has been terminated", "unavailable"),
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("this video is not available", "unavailable"),
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("this video has been removed", "unavailable"),
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# DRM.
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("drm protected", "drm"),
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("drm-protected", "drm"),
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# No usable media format.
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("requested format is not available", "format_unavailable"),
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("only images are available", "format_unavailable"),
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("no video formats found", "format_unavailable"),
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("unable to extract", "format_unavailable"),
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# Our own post-processing (ffmpeg) step failed.
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("ffmpeg failed", "postprocess"),
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("ffmpeg stalled", "postprocess"),
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("postprocessing", "postprocess"),
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("produced no output file", "postprocess"),
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("no output file", "postprocess"),
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# Network / transport.
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("unable to download", "network"),
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("http error", "network"),
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("timed out", "network"),
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("read timed out", "network"),
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("temporary failure in name resolution", "network"),
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("connection reset", "network"),
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("connection refused", "network"),
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("failed to resolve", "network"),
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)
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def classify(msg: str | None) -> str:
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"""Return a category code for a raw failure message (``"unknown"`` if nothing matches)."""
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if not msg:
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return "unknown"
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low = msg.lower()
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for marker, category in _RULES:
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if marker in low:
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return category
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return "unknown"
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