mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-08-14 18:24:42 +08:00
344 lines
12 KiB
Python
344 lines
12 KiB
Python
import argparse
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import statistics
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import sys
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import time
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from contextlib import contextmanager
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from pathlib import Path
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from typing import Any, Callable, Optional
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PROJECT_ROOT = Path(__file__).resolve().parents[1]
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sys.path.insert(0, str(PROJECT_ROOT))
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from app.core import metainfo as metainfo_module
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from app.core.meta import MetaAnime, MetaMusic
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from app.core.metainfo import MetaInfo, MetaInfoPath
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from tests.cases.meta import meta_cases
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BenchmarkInput = tuple[str, str, Optional[str]]
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ResultProjector = Callable[[Any], dict[str, Any]]
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_MUSIC_CASES: tuple[BenchmarkInput, ...] = (
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("music_query", "毛阿敏 - 永遠是朋友(2000) - ALAC [16B-44.1kHz]", None),
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(
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"music_query",
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"VA-Once.Upon.a.Time.in.Hollywood.Original.Motion.Picture.Soundtrack."
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"2019.FLAC.24bit.96kHz",
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None,
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),
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("music_query", "李宗盛《理性与感性作品音乐会-CD2》2006-FLAC-分轨", None),
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("music_query", "天国的情人-邓丽君作品全集1967-1995", None),
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(
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"music_query",
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"S H E - S H E十七音乐会 2018 WEB-DL 1080P AVC AAC-FHDMv",
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None,
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),
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("title", "周杰伦 - 晴天.flac", None),
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("title", "01.我的地盘.wav", None),
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(
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"path",
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"/benchmark/music/周杰伦 - 七里香 (2004) [FLAC 24bit-96kHz]/01.我的地盘.flac",
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None,
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),
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(
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"path",
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"/benchmark/music/Daft Punk - Discovery (2001)/CD1/01 - One More Time.flac",
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None,
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),
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(
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"path",
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"/benchmark/music/喜多郎 - 古事记 (1990) [SACD]/1-02 古事记.dsf",
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None,
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),
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)
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def build_video_inputs(repeat: int) -> list[BenchmarkInput]:
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"""构造覆盖影视 MetaInfo 和 MetaInfoPath 生产入口的基准输入。"""
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inputs: list[BenchmarkInput] = []
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for _ in range(repeat):
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for item in meta_cases:
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if item.get("path"):
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inputs.append(("path", item["path"], item.get("subtitle")))
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else:
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inputs.append(("title", item["title"], item.get("subtitle")))
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return inputs
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def build_music_inputs(repeat: int) -> list[BenchmarkInput]:
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"""构造覆盖音乐查询、音频文件名和目录路径生产入口的基准输入。"""
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return list(_MUSIC_CASES) * repeat
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def disabled_rust_parse(*_args, **_kwargs):
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"""关闭一个 Rust 快路径，使生产入口自然回退到 Python 实现。"""
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return None
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@contextmanager
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def selected_meta_parser(use_rust: bool):
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"""在 Rust 入口和 Python 回退链路之间切换，并在退出时恢复适配器。"""
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parser_names = (
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"parse_metainfo",
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"parse_metainfo_path",
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"find_metainfo",
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"parse_metamusic",
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)
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rust_accel = metainfo_module.rust_accel
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original_parsers = {
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name: getattr(rust_accel, name)
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for name in parser_names
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}
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if not use_rust:
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for name in parser_names:
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setattr(rust_accel, name, disabled_rust_parse)
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try:
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yield
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finally:
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for name, parser in original_parsers.items():
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setattr(rust_accel, name, parser)
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def parse_input(item: BenchmarkInput):
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"""按输入类型调用应用实际使用的公开识别入口。"""
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kind, value, subtitle = item
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if kind == "path":
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return MetaInfoPath(Path(value))
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if kind == "music_query":
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return MetaMusic.parse_query(value)
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if kind == "title":
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return MetaInfo(title=value, subtitle=subtitle, custom_words=["#"])
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raise ValueError(f"未知基准输入类型：{kind}")
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def parse_all(inputs: list[BenchmarkInput]) -> list[Any]:
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"""通过生产入口解析一轮完整输入。"""
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return [parse_input(item) for item in inputs]
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def _enum_value(value: Any) -> Any:
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"""把枚举值归一为稳定的可比较值。"""
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return getattr(value, "value", value)
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def project_video_result(meta: Any) -> dict[str, Any]:
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"""提取影视识别对外契约字段，排除 Python 解析器的临时内部状态。"""
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return {
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"kind": "anime" if isinstance(meta, MetaAnime) else "video",
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"type": _enum_value(meta.type),
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"cn_name": meta.cn_name or "",
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"en_name": meta.en_name or "",
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"year": meta.year or "",
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"part": meta.part or "",
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"season": meta.season,
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"episode": meta.episode,
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"resource_type": meta.edition,
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"resource_pix": meta.resource_pix or "",
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"video_encode": meta.video_encode or "",
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"audio_encode": meta.audio_encode or "",
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"fps": meta.fps or None,
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"media_source": _enum_value(meta.media_source),
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"media_id": meta.media_id,
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}
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def project_music_result(meta: Any) -> dict[str, Any]:
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"""提取音乐识别持久字段和派生音质字段，用于 Rust/Python 等价校验。"""
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return {
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"type": _enum_value(meta.type),
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"org_string": meta.org_string,
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"title": meta.title,
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"artists": list(meta.artists),
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"album": meta.album,
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"album_artist": meta.album_artist,
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"year": meta.year,
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"disc_number": meta.disc_number,
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"track_number": meta.track_number,
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"total_discs": meta.total_discs,
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"total_tracks": meta.total_tracks,
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"version": meta.version,
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"audio_format": meta.audio_format,
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"audio_lossless": meta.audio_lossless,
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"bit_depth": meta.bit_depth,
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"sample_rate": meta.sample_rate,
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"bitrate": meta.bitrate,
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"duration": meta.duration,
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"isrc": meta.isrc,
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"media_source": _enum_value(meta.media_source),
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"media_id": meta.media_id,
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"audio_quality": meta.audio_quality,
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"audio_quality_score": meta.audio_quality_score,
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"audio_specs": meta.audio_specs,
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}
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def assert_projected_results_equal(
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inputs: list[BenchmarkInput],
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rust_results: list[Any],
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python_results: list[Any],
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projector: ResultProjector,
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) -> None:
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"""逐项校验 Rust/Python 稳定输出，首个差异携带输入和字段明细。"""
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if len(rust_results) != len(python_results):
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raise AssertionError(
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f"Rust/Python 结果数量不一致：{len(rust_results)} != {len(python_results)}"
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)
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for index, (rust_result, python_result) in enumerate(zip(rust_results, python_results)):
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rust_projection = projector(rust_result)
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python_projection = projector(python_result)
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if rust_projection == python_projection:
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continue
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differences = {
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key: (rust_projection.get(key), python_projection.get(key))
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for key in sorted(set(rust_projection) | set(python_projection))
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if rust_projection.get(key) != python_projection.get(key)
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}
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raise AssertionError(
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f"Rust/Python 输出不等价：index={index} input={inputs[index]!r} "
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f"differences={differences!r}"
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)
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def validate_equivalent_results(
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inputs: list[BenchmarkInput],
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projector: ResultProjector,
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) -> None:
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"""分别通过 Rust/Python 生产链路解析并校验稳定输出等价。"""
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with selected_meta_parser(use_rust=True):
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rust_results = parse_all(inputs)
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with selected_meta_parser(use_rust=False):
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python_results = parse_all(inputs)
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assert_projected_results_equal(inputs, rust_results, python_results, projector)
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def measure(
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inputs: list[BenchmarkInput],
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use_rust: bool,
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loops: int,
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repeats: int,
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) -> tuple[float, int]:
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"""在一次解析器切换上下文中预热并多轮测量生产入口耗时。"""
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samples = []
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parsed_count = 0
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with selected_meta_parser(use_rust):
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parse_all(inputs)
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for _ in range(repeats):
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start = time.perf_counter()
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for _ in range(loops):
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parsed_count = len(parse_all(inputs))
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samples.append((time.perf_counter() - start) * 1000 / loops)
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return statistics.median(samples), parsed_count
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def benchmark_suite(
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inputs: list[BenchmarkInput],
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projector: ResultProjector,
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loops: int,
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repeats: int,
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) -> dict[str, float | int]:
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"""先校验一个媒体域的结果等价，再返回 Rust/Python 独立性能指标。"""
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validate_equivalent_results(inputs, projector)
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rust_ms, rust_count = measure(inputs, use_rust=True, loops=loops, repeats=repeats)
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python_ms, python_count = measure(inputs, use_rust=False, loops=loops, repeats=repeats)
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return {
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"rust_ms": rust_ms,
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"python_ms": python_ms,
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"rust_count": rust_count,
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"python_count": python_count,
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"speedup": python_ms / rust_ms if rust_ms else 0,
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}
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def validate_rust_runtime() -> None:
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"""确认 Rust 总开关和音乐扩展入口可用，拒绝静默回退形成伪基准。"""
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rust_accel = metainfo_module.rust_accel
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if not rust_accel.is_enabled():
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raise RuntimeError("Rust 加速未启用或 moviepilot-rust 扩展不可用")
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if not callable(getattr(rust_accel, "parse_metamusic", None)):
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raise RuntimeError("MoviePilot 后端缺少 rust_accel.parse_metamusic 适配器")
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extension = getattr(rust_accel, "_moviepilot_rust", None)
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if not callable(getattr(extension, "parse_metamusic_fast", None)):
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raise RuntimeError("moviepilot-rust 版本过旧，缺少 parse_metamusic_fast")
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probe = rust_accel.parse_metamusic("Daft Punk - Get Lucky 2013 FLAC")
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if not isinstance(probe, dict):
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raise RuntimeError("Rust 音乐解析探针未返回有效结果，拒绝测量 Python 回退")
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def positive_int(value: str) -> int:
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"""解析命令行正整数，拒绝空循环和空样本配置。"""
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parsed = int(value)
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if parsed <= 0:
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raise argparse.ArgumentTypeError("必须为正整数")
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return parsed
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def parse_args():
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"""解析命令行参数。"""
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parser = argparse.ArgumentParser(
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description="Benchmark video and music metadata through public entries"
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)
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parser.add_argument(
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"--repeat-inputs",
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type=positive_int,
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default=20,
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help="Repeat video and music cases per loop",
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)
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parser.add_argument("--loops", type=positive_int, default=10, help="Loops per repeat")
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parser.add_argument("--repeats", type=positive_int, default=5, help="Repeat count")
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return parser.parse_args()
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def print_suite_result(
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name: str,
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inputs: list[BenchmarkInput],
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result: dict[str, float | int],
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loops: int,
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repeats: int,
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) -> None:
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"""按媒体域输出等价状态、耗时、单项耗时和性能提升倍数。"""
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rust_ms = float(result["rust_ms"])
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python_ms = float(result["python_ms"])
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print(f"{name}_items_per_loop={len(inputs)} loops={loops} repeats={repeats}")
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print(
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f"{name}_rust_items={result['rust_count']} "
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f"{name}_python_items={result['python_count']}"
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)
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print(f"{name}_equivalent=true")
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print(f"{name}_rust_ms_per_loop={rust_ms:.3f}")
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print(f"{name}_python_ms_per_loop={python_ms:.3f}")
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print(f"{name}_rust_us_per_item={rust_ms * 1000 / len(inputs):.3f}")
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print(f"{name}_python_us_per_item={python_ms * 1000 / len(inputs):.3f}")
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print(f"{name}_speedup={float(result['speedup']):.2f}x")
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def main() -> int:
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"""运行影视与音乐 Rust/Python 生产入口基准测试。"""
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args = parse_args()
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try:
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validate_rust_runtime()
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video_inputs = build_video_inputs(args.repeat_inputs)
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music_inputs = build_music_inputs(args.repeat_inputs)
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video_result = benchmark_suite(
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video_inputs,
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project_video_result,
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loops=args.loops,
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repeats=args.repeats,
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)
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music_result = benchmark_suite(
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music_inputs,
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project_music_result,
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loops=args.loops,
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repeats=args.repeats,
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)
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except (AssertionError, RuntimeError) as err:
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print(f"benchmark_error={err}", file=sys.stderr)
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return 2
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print_suite_result("video", video_inputs, video_result, args.loops, args.repeats)
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print_suite_result("music", music_inputs, music_result, args.loops, args.repeats)
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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