mirror of
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66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
# This file is part of beets.
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# Copyright 2012, Adrian Sampson.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Some simple performance benchmarks for beets.
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"""
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from __future__ import print_function
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from beets.plugins import BeetsPlugin
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from beets import ui
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from beets import vfs
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from beets import library
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from beets.util.functemplate import Template
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import cProfile
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import timeit
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def benchmark(lib, prof):
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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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(library.PF_KEY_DEFAULT,
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Template('$albumartist/$album%aunique{}/$track $title')),
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]
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if prof:
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cProfile.runctx('_build_tree()', {}, {'_build_tree': _build_tree},
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'paths.withaunique.prof')
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else:
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interval = timeit.timeit(_build_tree, number=1)
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print('With %aunique:', interval)
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# And with %aunique replaceed with a "cheap" no-op function.
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lib.path_formats = [
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(library.PF_KEY_DEFAULT,
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Template('$albumartist/$album%lower{}/$track $title')),
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]
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if prof:
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cProfile.runctx('_build_tree()', {}, {'_build_tree': _build_tree},
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'paths.withoutaunique.prof')
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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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class BenchmarkPlugin(BeetsPlugin):
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"""A plugin for performing some simple performance benchmarks.
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"""
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def commands(self):
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def bench_func(lib, config, opts, args):
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benchmark(lib, opts.profile)
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bench_cmd = ui.Subcommand('bench', help='benchmark')
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bench_cmd.parser.add_option('-p', '--profile',
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action='store_true', default=False,
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help='performance profiling')
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bench_cmd.func = bench_func
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return [bench_cmd]
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