mirror of
https://github.com/beetbox/beets.git
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218 lines
7.3 KiB
Python
218 lines
7.3 KiB
Python
# This file is part of beets.
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# Copyright 2016, Thomas Scholtes
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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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import six
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import unittest
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from mediafile import MediaFile
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from beets import config
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from beetsplug.replaygain import (FatalGstreamerPluginReplayGainError,
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GStreamerBackend)
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from test.helper import TestHelper, has_program
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try:
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import gi
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gi.require_version('Gst', '1.0')
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GST_AVAILABLE = True
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except (ImportError, ValueError):
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GST_AVAILABLE = False
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if any(has_program(cmd, ['-v']) for cmd in ['mp3gain', 'aacgain']):
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GAIN_PROG_AVAILABLE = True
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else:
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GAIN_PROG_AVAILABLE = False
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FFMPEG_AVAILABLE = has_program('ffmpeg', ['-version'])
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def reset_replaygain(item):
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item['rg_track_peak'] = None
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item['rg_track_gain'] = None
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item['rg_album_gain'] = None
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item['rg_album_gain'] = None
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item.write()
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item.store()
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item.store()
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item.store()
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class ReplayGainCliTestBase(TestHelper):
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def setUp(self):
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self.setup_beets(disk=True)
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self.config['replaygain']['backend'] = self.backend
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try:
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self.load_plugins('replaygain')
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except Exception:
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import sys
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# store exception info so an error in teardown does not swallow it
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exc_info = sys.exc_info()
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try:
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self.teardown_beets()
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self.unload_plugins()
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except Exception:
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# if load_plugins() failed then setup is incomplete and
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# teardown operations may fail. In particular # {Item,Album}
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# may not have the _original_types attribute in unload_plugins
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pass
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raise None.with_traceback(exc_info[2])
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album = self.add_album_fixture(2)
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for item in album.items():
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reset_replaygain(item)
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def tearDown(self):
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self.teardown_beets()
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self.unload_plugins()
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def _reset_replaygain(self, item):
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item['rg_track_peak'] = None
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item['rg_track_gain'] = None
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item['rg_album_peak'] = None
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item['rg_album_gain'] = None
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item['r128_track_gain'] = None
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item['r128_album_gain'] = None
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item.write()
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item.store()
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def test_cli_saves_track_gain(self):
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for item in self.lib.items():
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self.assertIsNone(item.rg_track_peak)
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self.assertIsNone(item.rg_track_gain)
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mediafile = MediaFile(item.path)
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self.assertIsNone(mediafile.rg_track_peak)
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self.assertIsNone(mediafile.rg_track_gain)
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self.run_command('replaygain')
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# Skip the test if rg_track_peak and rg_track gain is None, assuming
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# that it could only happen if the decoder plugins are missing.
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if all(i.rg_track_peak is None and i.rg_track_gain is None
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for i in self.lib.items()):
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self.skipTest('decoder plugins could not be loaded.')
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for item in self.lib.items():
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self.assertIsNotNone(item.rg_track_peak)
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self.assertIsNotNone(item.rg_track_gain)
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mediafile = MediaFile(item.path)
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self.assertAlmostEqual(
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mediafile.rg_track_peak, item.rg_track_peak, places=6)
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self.assertAlmostEqual(
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mediafile.rg_track_gain, item.rg_track_gain, places=2)
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def test_cli_skips_calculated_tracks(self):
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self.run_command('replaygain')
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item = self.lib.items()[0]
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peak = item.rg_track_peak
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item.rg_track_gain = 0.0
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self.run_command('replaygain')
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self.assertEqual(item.rg_track_gain, 0.0)
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self.assertEqual(item.rg_track_peak, peak)
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def test_cli_saves_album_gain_to_file(self):
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for item in self.lib.items():
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mediafile = MediaFile(item.path)
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self.assertIsNone(mediafile.rg_album_peak)
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self.assertIsNone(mediafile.rg_album_gain)
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self.run_command('replaygain', '-a')
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peaks = []
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gains = []
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for item in self.lib.items():
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mediafile = MediaFile(item.path)
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peaks.append(mediafile.rg_album_peak)
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gains.append(mediafile.rg_album_gain)
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# Make sure they are all the same
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self.assertEqual(max(peaks), min(peaks))
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self.assertEqual(max(gains), min(gains))
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self.assertNotEqual(max(gains), 0.0)
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self.assertNotEqual(max(peaks), 0.0)
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def test_cli_writes_only_r128_tags(self):
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if self.backend == "command":
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# opus not supported by command backend
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return
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album = self.add_album_fixture(2, ext="opus")
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for item in album.items():
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self._reset_replaygain(item)
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self.run_command('replaygain', '-a')
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for item in album.items():
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mediafile = MediaFile(item.path)
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# does not write REPLAYGAIN_* tags
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self.assertIsNone(mediafile.rg_track_gain)
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self.assertIsNone(mediafile.rg_album_gain)
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# writes R128_* tags
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self.assertIsNotNone(mediafile.r128_track_gain)
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self.assertIsNotNone(mediafile.r128_album_gain)
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def test_target_level_has_effect(self):
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item = self.lib.items()[0]
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def analyse(target_level):
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self.config['replaygain']['targetlevel'] = target_level
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self._reset_replaygain(item)
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self.run_command('replaygain', '-f')
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mediafile = MediaFile(item.path)
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return mediafile.rg_track_gain
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gain_relative_to_84 = analyse(84)
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gain_relative_to_89 = analyse(89)
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# check that second calculation did work
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if gain_relative_to_84 is not None:
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self.assertIsNotNone(gain_relative_to_89)
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self.assertNotEqual(gain_relative_to_84, gain_relative_to_89)
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@unittest.skipIf(not GST_AVAILABLE, 'gstreamer cannot be found')
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class ReplayGainGstCliTest(ReplayGainCliTestBase, unittest.TestCase):
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backend = 'gstreamer'
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def setUp(self):
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try:
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# Check if required plugins can be loaded by instantiating a
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# GStreamerBackend (via its .__init__).
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config['replaygain']['targetlevel'] = 89
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GStreamerBackend(config['replaygain'], None)
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except FatalGstreamerPluginReplayGainError as e:
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# Skip the test if plugins could not be loaded.
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self.skipTest(str(e))
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super().setUp()
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@unittest.skipIf(not GAIN_PROG_AVAILABLE, 'no *gain command found')
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class ReplayGainCmdCliTest(ReplayGainCliTestBase, unittest.TestCase):
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backend = 'command'
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@unittest.skipIf(not FFMPEG_AVAILABLE, 'ffmpeg cannot be found')
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class ReplayGainFfmpegTest(ReplayGainCliTestBase, unittest.TestCase):
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backend = 'ffmpeg'
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def suite():
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return unittest.TestLoader().loadTestsFromName(__name__)
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if __name__ == '__main__':
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unittest.main(defaultTest='suite')
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