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d042bed27c
Instead of parsing the template at each call to destination(), it's now possible to parse them *once*, a priori, and re-use the resulting template object. This is analogous to the re module's compiled expressions.
51 lines
1.8 KiB
Python
51 lines
1.8 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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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 time
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def benchmark(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 $title')),
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]
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start_time = time.time()
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vfs.libtree(lib)
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end_time = time.time()
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print 'With %aunique:', end_time - start_time
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# And with %aunique replaceed with a "cheap" no-op function.
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lib.path_formats = [
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(library.PF_KEY_DEFAULT,
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Template('$albumartist/$album%lower{}/$track $title')),
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]
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start_time = time.time()
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vfs.libtree(lib)
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end_time = time.time()
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print 'Without %aunique:', end_time - start_time
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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)
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cmd = ui.Subcommand('bench', help='benchmark')
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cmd.func = bench_func
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return [cmd]
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