mirror of
https://github.com/beetbox/beets.git
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128 lines
3.6 KiB
Python
128 lines
3.6 KiB
Python
"""Some simple performance benchmarks for beets."""
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from __future__ import annotations
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import cProfile
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import timeit
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from typing import TYPE_CHECKING, Protocol
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from beets import importer, plugins, ui
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from beets.autotag import Source, tag_album
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from beets.plugins import BeetsPlugin
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from beets.util.pathformats import PF_KEY_DEFAULT
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from beetsplug._utils import vfs
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if TYPE_CHECKING:
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from collections.abc import Sequence
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from beets.library import Item, Library
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class BenchAunique(Protocol):
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profile: bool
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class BenchMatch(Protocol):
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profile: bool
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id: str | None
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def aunique_benchmark(
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lib: Library, opts: BenchAunique, args: list[str]
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) -> None:
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def _build_tree():
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vfs.libtree(lib)
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# Measure path generation performance with %aunique{} included.
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lib.path_formats = [
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(PF_KEY_DEFAULT, "$albumartist/$album%aunique{}/$track $title")
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]
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if opts.profile:
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cProfile.runctx(
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"_build_tree()",
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{},
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{"_build_tree": _build_tree},
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"paths.withaunique.prof",
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)
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else:
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interval = timeit.timeit(_build_tree, number=1)
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print("With %aunique:", interval)
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# And with %aunique replaced with a "cheap" no-op function.
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lib.path_formats = [
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(PF_KEY_DEFAULT, "$albumartist/$album%lower{}/$track $title")
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]
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if opts.profile:
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cProfile.runctx(
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"_build_tree()",
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{},
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{"_build_tree": _build_tree},
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"paths.withoutaunique.prof",
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)
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else:
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interval = timeit.timeit(_build_tree, number=1)
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print("Without %aunique:", interval)
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def match_benchmark(lib: Library, opts: BenchMatch, args: list[str]) -> None:
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# If no album ID is provided, we'll match against a suitably huge
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# album.
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id_ = opts.id or "9c5c043e-bc69-4edb-81a4-1aaf9c81e6dc"
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# Get an album from the library to use as the source for the match.
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items: Sequence[Item] = i.items() if (i := lib.albums(args).get()) else []
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# Ensure fingerprinting is invoked (if enabled).
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plugins.send(
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"import_task_start",
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task=importer.AlbumImportTask(None, None, items),
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session=importer.ImportSession.make(lib),
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)
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# Run the match.
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def _run_match():
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source = Source.from_items(items)
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tag_album(source, search_ids=[id_])
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if opts.profile:
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cProfile.runctx(
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"_run_match()", {}, {"_run_match": _run_match}, "match.prof"
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)
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else:
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interval = timeit.timeit(_run_match, number=1)
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print("match duration:", interval)
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class BenchmarkPlugin(BeetsPlugin):
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"""A plugin for performing some simple performance benchmarks."""
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def commands(self):
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aunique_bench_cmd = ui.Subcommand(
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"bench_aunique", help="benchmark for %aunique{}"
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)
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aunique_bench_cmd.parser.add_option(
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"-p",
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"--profile",
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action="store_true",
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default=False,
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help="performance profiling",
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)
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aunique_bench_cmd.func = aunique_benchmark
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match_bench_cmd = ui.Subcommand(
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"bench_match", help="benchmark for track matching"
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)
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match_bench_cmd.parser.add_option(
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"-p",
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"--profile",
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action="store_true",
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default=False,
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help="performance profiling",
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)
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match_bench_cmd.parser.add_option(
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"-i", "--id", default=None, help="album ID to match against"
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)
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match_bench_cmd.func = match_benchmark
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return [aunique_bench_cmd, match_bench_cmd]
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