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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2021 Bob Swift
# Copyright (C) 2021 Laurent Monin
# Copyright (C) 2021 Philipp Wolfer
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from test.picardtestcase import PicardTestCase
from picard.util.script_detector_weighted import (
detect_script_weighted,
list_script_weighted,
)
class WeightedScriptDetectionTest(PicardTestCase):
def test_detect_script_weighted(self):
scripts = detect_script_weighted("Latin, кириллический, Ελληνική")
self.assertAlmostEqual(scripts['LATIN'], 0.195, 3)
self.assertAlmostEqual(scripts['CYRILLIC'], 0.518, 3)
self.assertAlmostEqual(scripts['GREEK'], 0.287, 3)
scripts = detect_script_weighted("Latin, кириллический, Ελληνική", threshold=0.5)
script_keys = list(scripts.keys())
self.assertEqual(script_keys, ["CYRILLIC"])
scripts = detect_script_weighted("Latin")
self.assertEqual(scripts["LATIN"], 1)
scripts = detect_script_weighted("привет")
self.assertEqual(scripts["CYRILLIC"], 1)
scripts = detect_script_weighted("ελληνικά?")
self.assertEqual(scripts["GREEK"], 1)
scripts = detect_script_weighted("سماوي يدور")
self.assertEqual(scripts["ARABIC"], 1)
scripts = detect_script_weighted("שלום")
self.assertEqual(scripts["HEBREW"], 1)
scripts = detect_script_weighted("汉字")
self.assertEqual(scripts["CJK"], 1)
scripts = detect_script_weighted("한글")
self.assertEqual(scripts["HANGUL"], 1)
scripts = detect_script_weighted("ひらがな")
self.assertEqual(scripts["HIRAGANA"], 1)
scripts = detect_script_weighted("カタカナ")
self.assertEqual(scripts["KATAKANA"], 1)
scripts = detect_script_weighted("พยัญชนะ")
self.assertEqual(scripts["THAI"], 1)
scripts = detect_script_weighted("1234567890+-/*=,./!?")
self.assertEqual(scripts, {})
scripts = detect_script_weighted("")
self.assertEqual(scripts, {})
class ListScriptWeightedTest(PicardTestCase):
def test_list_script_weighted(self):
scripts = list_script_weighted("Cyrillic, кириллический, 汉字")
self.assertEqual(scripts, ['CYRILLIC', 'LATIN', 'CJK'])
scripts = list_script_weighted("Cyrillic, кириллический, 汉字", threshold=0.3)
self.assertEqual(scripts, ['CYRILLIC', 'LATIN'])
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