mirror of https://gitlab.com/openlp/openlp.git
872 lines
41 KiB
Python
872 lines
41 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2023 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The :mod:`~openlp.plugins.songs.lib` module contains a number of library functions and classes used in the Songs plugin.
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"""
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import logging
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import re
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from PyQt5 import QtWidgets
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from openlp.core.common import CONTROL_CHARS
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from openlp.core.common.applocation import AppLocation
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from openlp.core.common.i18n import translate
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from openlp.core.common.registry import Registry
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from openlp.core.display.render import remove_tags
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from openlp.plugins.songs.lib.db import Author, MediaFile, Song
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from openlp.plugins.songs.lib.ui import SongStrings
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log = logging.getLogger(__name__)
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WHITESPACE = re.compile(r'[\W_]+')
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APOSTROPHE = re.compile(r'[\'`’ʻ′]')
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# PATTERN will look for the next occurence of one of these symbols:
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# \controlword - optionally preceded by \*, optionally followed by a number
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# \'## - where ## is a pair of hex digits, representing a single character
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# \# - where # is a single non-alpha character, representing a special symbol
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# { or } - marking the beginning/end of a group
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# a run of characters without any \ { } or end-of-line
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PATTERN = re.compile(
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r"(\\\*)?\\([a-z]{1,32})(-?\d{1,10})?[ ]?|\\'([0-9a-f]{2})|\\([^a-z*])|([{}])|[\r\n]+|([^\\{}\r\n]+)", re.I)
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# RTF control words which specify a "destination" to be ignored.
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DESTINATIONS = frozenset((
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'aftncn', 'aftnsep', 'aftnsepc', 'annotation', 'atnauthor', 'atndate', 'atnicn', 'atnid', 'atnparent', 'atnref',
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'atntime', 'atrfend', 'atrfstart', 'author', 'background', 'bkmkend', 'bkmkstart', 'blipuid', 'buptim', 'category',
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'colorschememapping', 'colortbl', 'comment', 'company', 'creatim', 'datafield', 'datastore', 'defchp', 'defpap',
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'do', 'doccomm', 'docvar', 'dptxbxtext', 'ebcend', 'ebcstart', 'factoidname', 'falt', 'fchars', 'ffdeftext',
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'ffentrymcr', 'ffexitmcr', 'ffformat', 'ffhelptext', 'ffl', 'ffname', 'ffstattext', 'file', 'filetbl', 'fldinst',
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'fldtype', 'fname', 'fontemb', 'fontfile', 'footer', 'footerf', 'footerl', 'footerr', 'footnote', 'formfield',
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'ftncn', 'ftnsep', 'ftnsepc', 'g', 'generator', 'gridtbl', 'header', 'headerf', 'headerl', 'headerr', 'hl', 'hlfr',
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'hlinkbase', 'hlloc', 'hlsrc', 'hsv', 'htmltag', 'info', 'keycode', 'keywords', 'latentstyles', 'lchars',
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'levelnumbers', 'leveltext', 'lfolevel', 'linkval', 'list', 'listlevel', 'listname', 'listoverride',
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'listoverridetable', 'listpicture', 'liststylename', 'listtable', 'listtext', 'lsdlockedexcept', 'macc', 'maccPr',
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'mailmerge', 'maln', 'malnScr', 'manager', 'margPr', 'mbar', 'mbarPr', 'mbaseJc', 'mbegChr', 'mborderBox',
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'mborderBoxPr', 'mbox', 'mboxPr', 'mchr', 'mcount', 'mctrlPr', 'md', 'mdeg', 'mdegHide', 'mden', 'mdiff', 'mdPr',
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'me', 'mendChr', 'meqArr', 'meqArrPr', 'mf', 'mfName', 'mfPr', 'mfunc', 'mfuncPr', 'mgroupChr', 'mgroupChrPr',
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'mgrow', 'mhideBot', 'mhideLeft', 'mhideRight', 'mhideTop', 'mhtmltag', 'mlim', 'mlimloc', 'mlimlow', 'mlimlowPr',
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'mlimupp', 'mlimuppPr', 'mm', 'mmaddfieldname', 'mmath', 'mmathPict', 'mmathPr', 'mmaxdist', 'mmc', 'mmcJc',
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'mmconnectstr', 'mmconnectstrdata', 'mmcPr', 'mmcs', 'mmdatasource', 'mmheadersource', 'mmmailsubject', 'mmodso',
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'mmodsofilter', 'mmodsofldmpdata', 'mmodsomappedname', 'mmodsoname', 'mmodsorecipdata', 'mmodsosort', 'mmodsosrc',
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'mmodsotable', 'mmodsoudl', 'mmodsoudldata', 'mmodsouniquetag', 'mmPr', 'mmquery', 'mmr', 'mnary', 'mnaryPr',
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'mnoBreak', 'mnum', 'mobjDist', 'moMath', 'moMathPara', 'moMathParaPr', 'mopEmu', 'mphant', 'mphantPr', 'mplcHide',
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'mpos', 'mr', 'mrad', 'mradPr', 'mrPr', 'msepChr', 'mshow', 'mshp', 'msPre', 'msPrePr', 'msSub', 'msSubPr',
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'msSubSup', 'msSubSupPr', 'msSup', 'msSupPr', 'mstrikeBLTR', 'mstrikeH', 'mstrikeTLBR', 'mstrikeV', 'msub',
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'msubHide', 'msup', 'msupHide', 'mtransp', 'mtype', 'mvertJc', 'mvfmf', 'mvfml', 'mvtof', 'mvtol', 'mzeroAsc',
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'mzFrodesc', 'mzeroWid', 'nesttableprops', 'nextfile', 'nonesttables', 'objalias', 'objclass', 'objdata', 'object',
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'objname', 'objsect', 'objtime', 'oldcprops', 'oldpprops', 'oldsprops', 'oldtprops', 'oleclsid', 'operator',
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'panose', 'password', 'passwordhash', 'pgp', 'pgptbl', 'picprop', 'pict', 'pn', 'pnseclvl', 'pntext', 'pntxta',
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'pntxtb', 'printim', 'private', 'propname', 'protend', 'protstart', 'protusertbl', 'pxe', 'result', 'revtbl',
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'revtim', 'rsidtbl', 'rxe', 'shp', 'shpgrp', 'shpinst', 'shppict', 'shprslt', 'shptxt', 'sn', 'sp', 'staticval',
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'stylesheet', 'subject', 'sv', 'svb', 'tc', 'template', 'themedata', 'title', 'txe', 'ud', 'upr', 'userprops',
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'wgrffmtfilter', 'windowcaption', 'writereservation', 'writereservhash', 'xe', 'xform', 'xmlattrname',
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'xmlattrvalue', 'xmlclose', 'xmlname', 'xmlnstbl', 'xmlopen'
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))
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# Translation of some special characters.
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SPECIAL_CHARS = {
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'\n': '\n',
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'\r': '\n',
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'~': '\u00A0',
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'-': '\u00AD',
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'_': '\u2011',
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'par': '\n',
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'sect': '\n\n',
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# Required page and column break.
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# Would be good if we could split verse into subverses here.
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'page': '\n\n',
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'column': '\n\n',
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# Soft breaks.
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'softpage': '[---]',
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'softcol': '[---]',
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'line': '\n',
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'tab': '\t',
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'emdash': '\u2014',
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'endash': '\u2013',
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'emspace': '\u2003',
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'enspace': '\u2002',
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'qmspace': '\u2005',
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'bullet': '\u2022',
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'lquote': '\u2018',
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'rquote': '\u2019',
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'ldblquote': '\u201C',
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'rdblquote': '\u201D',
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'ltrmark': '\u200E',
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'rtlmark': '\u200F',
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'zwj': '\u200D',
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'zwnj': '\u200C'
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}
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CHARSET_MAPPING = {
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'0': 'cp1252',
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'128': 'cp932',
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'129': 'cp949',
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'134': 'cp936',
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'161': 'cp1253',
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'162': 'cp1254',
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'163': 'cp1258',
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'177': 'cp1255',
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'178': 'cp1256',
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'186': 'cp1257',
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'204': 'cp1251',
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'222': 'cp874',
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'238': 'cp1250'
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}
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class VerseType(object):
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"""
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VerseType provides an enumeration for the tags that may be associated with verses in songs.
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"""
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Verse = 0
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Chorus = 1
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Bridge = 2
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PreChorus = 3
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Intro = 4
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Ending = 5
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Other = 6
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names = ['Verse', 'Chorus', 'Bridge', 'Pre-Chorus', 'Intro', 'Ending', 'Other']
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tags = [name[0].lower() for name in names]
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translated_names = [
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translate('SongsPlugin.VerseType', 'Verse'),
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translate('SongsPlugin.VerseType', 'Chorus'),
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translate('SongsPlugin.VerseType', 'Bridge'),
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translate('SongsPlugin.VerseType', 'Pre-Chorus'),
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translate('SongsPlugin.VerseType', 'Intro'),
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translate('SongsPlugin.VerseType', 'Ending'),
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translate('SongsPlugin.VerseType', 'Other')]
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translated_tags = [name[0].lower() for name in translated_names]
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@staticmethod
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def translated_tag(verse_tag, default=Other):
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"""
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Return the translated UPPERCASE tag for a given tag, used to show translated verse tags in UI
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:param verse_tag: The string to return a VerseType for
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:param default: Default return value if no matching tag is found
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:return: A translated UPPERCASE tag
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"""
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verse_tag = verse_tag[0].lower()
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for num, tag in enumerate(VerseType.tags):
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if verse_tag == tag:
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return VerseType.translated_tags[num].upper()
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if len(VerseType.names) > default:
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return VerseType.translated_tags[default].upper()
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else:
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return VerseType.translated_tags[VerseType.Other].upper()
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@staticmethod
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def translated_name(verse_tag, default=Other):
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"""
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Return the translated name for a given tag
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:param verse_tag: The string to return a VerseType for
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:param default: Default return value if no matching tag is found
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:return: Translated name for the given tag
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"""
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verse_tag = verse_tag[0].lower()
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for num, tag in enumerate(VerseType.tags):
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if verse_tag == tag:
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return VerseType.translated_names[num]
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if len(VerseType.names) > default:
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return VerseType.translated_names[default]
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else:
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return VerseType.translated_names[VerseType.Other]
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@staticmethod
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def from_tag(verse_tag, default=Other):
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"""
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Return the VerseType for a given tag
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:param verse_tag: The string to return a VerseType for
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:param default: Default return value if no matching tag is found (a valid VerseType or None)
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:return: A VerseType of the tag
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"""
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verse_tag = verse_tag[0].lower()
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for num, tag in enumerate(VerseType.tags):
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if verse_tag == tag:
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return num
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if default in range(0, len(VerseType.names)) or default is None:
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return default
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else:
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return VerseType.Other
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@staticmethod
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def from_translated_tag(verse_tag, default=Other):
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"""
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Return the VerseType for a given tag
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:param verse_tag: The string to return a VerseType for
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:param default: Default return value if no matching tag is found
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:return: The VerseType of a translated tag
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"""
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verse_tag = verse_tag[0].lower()
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for num, tag in enumerate(VerseType.translated_tags):
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if verse_tag == tag:
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return num
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if default in range(0, len(VerseType.names)) or default is None:
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return default
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else:
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return VerseType.Other
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@staticmethod
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def from_string(verse_name, default=Other):
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"""
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Return the VerseType for a given string
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:param verse_name: The string to return a VerseType for
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:param default: Default return value if no matching tag is found
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:return: The VerseType determined from the string
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"""
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verse_name = verse_name.lower()
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for num, name in enumerate(VerseType.names):
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if verse_name == name.lower():
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return num
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return default
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@staticmethod
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def from_translated_string(verse_name):
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"""
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Return the VerseType for a given string
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:param verse_name: The string to return a VerseType for
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:return: A VerseType
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"""
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verse_name = verse_name.lower()
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for num, translation in enumerate(VerseType.translated_names):
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if verse_name == translation.lower():
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return num
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return None
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@staticmethod
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def from_loose_input(verse_name, default=Other):
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"""
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Return the VerseType for a given string
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:param verse_name: The string to return a VerseType for
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:param default: Default return value if no matching tag is found
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:return: A VerseType
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"""
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if len(verse_name) > 1:
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verse_index = VerseType.from_translated_string(verse_name)
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if verse_index is None:
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verse_index = VerseType.from_string(verse_name, default)
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elif len(verse_name) == 1:
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verse_index = VerseType.from_translated_tag(verse_name, None)
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if verse_index is None:
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verse_index = VerseType.from_tag(verse_name, default)
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else:
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return default
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return verse_index
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def retrieve_windows_encoding(recommendation=None):
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"""
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Determines which encoding to use on an information source. The process uses both automated detection, which is
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passed to this method as a recommendation, and user confirmation to return an encoding.
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:param recommendation: A recommended encoding discovered programmatically for the user to confirm.
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:return: A list of recommended encodings, or None
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"""
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# map chardet result to compatible windows standard code page
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codepage_mapping = {'IBM866': 'cp866', 'TIS-620': 'cp874', 'SHIFT_JIS': 'cp932', 'GB2312': 'cp936',
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'HZ-GB-2312': 'cp936', 'EUC-KR': 'cp949', 'Big5': 'cp950', 'ISO-8859-2': 'cp1250',
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'windows-1250': 'cp1250', 'windows-1251': 'cp1251', 'windows-1252': 'cp1252',
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'ISO-8859-7': 'cp1253', 'windows-1253': 'cp1253', 'ISO-8859-8': 'cp1255',
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'windows-1255': 'cp1255'}
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if recommendation in codepage_mapping:
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recommendation = codepage_mapping[recommendation]
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# Show dialog for encoding selection
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encodings = [
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('cp1256', translate('SongsPlugin', 'Arabic (CP-1256)')),
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('cp1257', translate('SongsPlugin', 'Baltic (CP-1257)')),
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('cp1250', translate('SongsPlugin', 'Central European (CP-1250)')),
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('cp1251', translate('SongsPlugin', 'Cyrillic (CP-1251)')),
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('cp1253', translate('SongsPlugin', 'Greek (CP-1253)')),
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('cp1255', translate('SongsPlugin', 'Hebrew (CP-1255)')),
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('cp932', translate('SongsPlugin', 'Japanese (CP-932)')),
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('cp949', translate('SongsPlugin', 'Korean (CP-949)')),
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('cp936', translate('SongsPlugin', 'Simplified Chinese (CP-936)')),
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('cp874', translate('SongsPlugin', 'Thai (CP-874)')),
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('cp950', translate('SongsPlugin', 'Traditional Chinese (CP-950)')),
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('cp1254', translate('SongsPlugin', 'Turkish (CP-1254)')),
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('cp1258', translate('SongsPlugin', 'Vietnam (CP-1258)')),
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('cp1252', translate('SongsPlugin', 'Western European (CP-1252)'))
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]
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recommended_index = -1
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if recommendation:
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for index, encoding in enumerate(encodings):
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if recommendation == encoding[0]:
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recommended_index = index
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break
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if recommended_index > -1:
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choice = QtWidgets.QInputDialog.getItem(
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None,
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translate('SongsPlugin', 'Character Encoding'),
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translate('SongsPlugin', 'The codepage setting is responsible\n'
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'for the correct character representation.\n'
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'Usually you are fine with the preselected choice.'),
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[pair[1] for pair in encodings], recommended_index, False)
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else:
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choice = QtWidgets.QInputDialog.getItem(
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None,
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translate('SongsPlugin', 'Character Encoding'),
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translate('SongsPlugin', 'Please choose the character encoding.\n'
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'The encoding is responsible for the correct character representation.'),
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[pair[1] for pair in encodings], 0, False)
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if not choice[1]:
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return None
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return next(filter(lambda item: item[1] == choice[0], encodings))[0]
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def clean_string(string):
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"""
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Strips punctuation from the passed string to assist searching.
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:param string: The string to clean
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:return: A clean string
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"""
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return WHITESPACE.sub(' ', APOSTROPHE.sub('', string)).lower()
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def clean_title(title):
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"""
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Cleans the song title by removing Unicode control chars groups C0 & C1, as well as any trailing spaces.
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:param title: The song title to clean
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:return: A clean title
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"""
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return CONTROL_CHARS.sub('', title).rstrip()
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def clean_song(manager, song):
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"""
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Cleans the search title, rebuilds the search lyrics, adds a default author if the song does not have one and other
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clean ups. This should always called when a new song is added or changed.
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:param manager: The song database manager object.
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:param song: The song object.
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"""
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from .openlyricsxml import SongXML
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if song.title:
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song.title = clean_title(song.title)
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else:
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song.title = ''
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if song.alternate_title:
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song.alternate_title = clean_title(song.alternate_title)
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else:
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song.alternate_title = ''
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song.search_title = clean_string(song.title) + '@' + clean_string(song.alternate_title)
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if isinstance(song.lyrics, bytes):
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song.lyrics = str(song.lyrics, encoding='utf8')
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verses = SongXML().get_verses(song.lyrics)
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song.search_lyrics = ' '.join([clean_string(remove_tags(verse[1], True)) for verse in verses])
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# The song does not have any author, add one.
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if not song.authors_songs:
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name = SongStrings.AuthorUnknown
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author = manager.get_object_filtered(Author, Author.display_name == name)
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if author is None:
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author = Author(display_name=name, last_name='', first_name='')
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song.add_author(author)
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if song.copyright:
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song.copyright = CONTROL_CHARS.sub('', song.copyright).strip()
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def get_encoding(font, font_table, default_encoding, failed=False):
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"""
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Finds an encoding to use. Asks user, if necessary.
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:param font: The number of currently active font.
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:param font_table: Dictionary of fonts and respective encodings.
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:param default_encoding: The default encoding to use when font_table is empty or no font is used.
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:param failed: A boolean indicating whether the previous encoding didn't work.
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"""
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encoding = None
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if font in font_table:
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encoding = font_table[font]
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if not encoding and default_encoding:
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encoding = default_encoding
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if not encoding or failed:
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encoding = retrieve_windows_encoding()
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default_encoding = encoding
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font_table[font] = encoding
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return encoding, default_encoding
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|
||
def strip_rtf(text, default_encoding=None):
|
||
"""
|
||
This function strips RTF control structures and returns an unicode string.
|
||
|
||
Thanks to Markus Jarderot (MizardX) for this code, used by permission. http://stackoverflow.com/questions/188545
|
||
|
||
:param text: RTF-encoded text, a string.
|
||
:param default_encoding: Default encoding to use when no encoding is specified.
|
||
:return: A tuple ``(text, encoding)`` where ``text`` is the clean text and ``encoding`` is the detected encoding
|
||
"""
|
||
# Current font is the font tag we last met.
|
||
font = ''
|
||
# Character encoding is defined inside fonttable.
|
||
# font_table could contain eg '0': u'cp1252'
|
||
font_table = {'': ''}
|
||
# Stack of things to keep track of when entering/leaving groups.
|
||
stack = []
|
||
# Whether this group (and all inside it) are "ignorable".
|
||
ignorable = False
|
||
# Number of ASCII characters to skip after an unicode character.
|
||
ucskip = 1
|
||
# Number of ASCII characters left to skip.
|
||
curskip = 0
|
||
# Output buffer.
|
||
out = []
|
||
# Encoded buffer.
|
||
ebytes = bytearray()
|
||
for match in PATTERN.finditer(text):
|
||
iinu, word, arg, hex_, char, brace, tchar = match.groups()
|
||
# \x (non-alpha character)
|
||
if char:
|
||
if char in '\\{}':
|
||
tchar = char
|
||
else:
|
||
word = char
|
||
# Flush encoded buffer to output buffer
|
||
if ebytes and not hex_ and not tchar:
|
||
failed = False
|
||
while True:
|
||
try:
|
||
encoding, default_encoding = get_encoding(font, font_table, default_encoding, failed=failed)
|
||
if not encoding:
|
||
return None
|
||
dbytes = ebytes.decode(encoding)
|
||
# Code 5C is a peculiar case with Windows Codepage 932
|
||
if encoding == 'cp932' and '\\' in dbytes:
|
||
dbytes = dbytes.replace('\\', '\u00A5')
|
||
out.append(dbytes)
|
||
ebytes.clear()
|
||
except UnicodeDecodeError:
|
||
failed = True
|
||
else:
|
||
break
|
||
# {}
|
||
if brace:
|
||
curskip = 0
|
||
if brace == '{':
|
||
# Push state
|
||
stack.append((ucskip, ignorable, font))
|
||
elif brace == '}' and len(stack) > 0:
|
||
# Pop state
|
||
ucskip, ignorable, font = stack.pop()
|
||
# \command
|
||
elif word:
|
||
curskip = 0
|
||
if word in DESTINATIONS:
|
||
ignorable = True
|
||
elif word in SPECIAL_CHARS:
|
||
if not ignorable:
|
||
out.append(SPECIAL_CHARS[word])
|
||
elif word == 'uc':
|
||
ucskip = int(arg)
|
||
elif word == 'u':
|
||
c = int(arg)
|
||
if c < 0:
|
||
c += 0x10000
|
||
if not ignorable:
|
||
out.append(chr(c))
|
||
curskip = ucskip
|
||
elif word == 'fonttbl':
|
||
ignorable = True
|
||
elif word == 'f':
|
||
font = arg
|
||
elif word == 'ansicpg':
|
||
font_table[font] = 'cp' + arg
|
||
elif word == 'fcharset' and font not in font_table and arg in CHARSET_MAPPING:
|
||
font_table[font] = CHARSET_MAPPING[arg]
|
||
elif word == 'fldrslt':
|
||
pass
|
||
# \* 'Ignore if not understood' marker
|
||
elif iinu:
|
||
ignorable = True
|
||
# \'xx
|
||
elif hex_:
|
||
if curskip > 0:
|
||
curskip -= 1
|
||
elif not ignorable:
|
||
ebytes.append(int(hex_, 16))
|
||
elif tchar:
|
||
if not ignorable:
|
||
ebytes += tchar.encode()
|
||
if len(ebytes) >= curskip:
|
||
ebytes = ebytes[curskip:]
|
||
else:
|
||
curskip -= len(ebytes)
|
||
ebytes = ""
|
||
text = ''.join(out)
|
||
return text, default_encoding
|
||
|
||
|
||
def delete_song(song_id, song_plugin):
|
||
"""
|
||
Deletes a song from the database. Media files associated to the song are removed prior to the deletion of the song.
|
||
|
||
:param song_id: The ID of the song to delete.
|
||
:param song_plugin: The song plugin instance.
|
||
"""
|
||
save_path = ''
|
||
media_files = song_plugin.manager.get_all_objects(MediaFile, MediaFile.song_id == song_id)
|
||
for media_file in media_files:
|
||
try:
|
||
media_file.file_path.unlink()
|
||
except OSError:
|
||
log.exception('Could not remove file: {name}'.format(name=media_file.file_path))
|
||
try:
|
||
save_path = AppLocation.get_section_data_path(song_plugin.name) / 'audio' / str(song_id)
|
||
if save_path.exists():
|
||
save_path.rmdir()
|
||
except OSError:
|
||
log.exception('Could not remove directory: {path}'.format(path=save_path))
|
||
song_plugin.manager.delete_object(Song, song_id)
|
||
|
||
|
||
def transpose_lyrics(lyrics, transpose_value):
|
||
"""
|
||
Transpose lyrics
|
||
|
||
:param lyrics: The lyrics to be transposed
|
||
:param transpose_value: The value to transpose the lyrics with
|
||
:return: The transposed lyrics
|
||
"""
|
||
# Split text by verse delimiter - both normal and optional
|
||
verse_list = re.split(r'(---\[.+?:.+?\]---|\[---\])', lyrics)
|
||
transposed_lyrics = ''
|
||
notation = Registry().get('settings').value('songs/chord notation')
|
||
key = None
|
||
for verse in verse_list:
|
||
if verse.startswith('---[') or verse == '[---]':
|
||
transposed_lyrics += verse
|
||
else:
|
||
transposed_lyric, key = transpose_verse(verse, transpose_value, notation, key)
|
||
transposed_lyrics += transposed_lyric
|
||
return transposed_lyrics
|
||
|
||
|
||
def transpose_verse(verse_text, transpose_value, notation, key):
|
||
"""
|
||
Transpose Verse
|
||
|
||
:param verse_text: The lyrics to be transposed
|
||
:param transpose_value: The value to transpose the lyrics with
|
||
:param notation: which notation to use
|
||
:return: The transposed lyrics
|
||
"""
|
||
if '[' not in verse_text:
|
||
return verse_text, key
|
||
# Split the lyrics based on chord tags, based on this, chords and bass will be treated equally and separately,
|
||
# 6/9 chords should be noted 6-9 or 69 or 6add9
|
||
lyric_list = re.split(r'(\[|\]|/)', verse_text)
|
||
transposed_lyrics = ''
|
||
is_bass = False
|
||
last_chord = None
|
||
in_tag = False
|
||
for word in lyric_list:
|
||
if not in_tag:
|
||
transposed_lyrics += word
|
||
if word == '[':
|
||
in_tag = True
|
||
else:
|
||
if word == ']':
|
||
in_tag = False
|
||
transposed_lyrics += word
|
||
elif word == '/':
|
||
is_bass = True
|
||
transposed_lyrics += word
|
||
elif word == '--}{--':
|
||
transposed_lyrics += word
|
||
else:
|
||
# This MUST be a chord
|
||
transposed_chord, key, last_chord = transpose_chord(word, transpose_value, notation, key, last_chord,
|
||
is_bass)
|
||
is_bass = False
|
||
transposed_lyrics += transposed_chord
|
||
# If still inside a chord tag something is wrong!
|
||
if in_tag:
|
||
return verse_text, key
|
||
else:
|
||
return transposed_lyrics, key
|
||
|
||
|
||
def transpose_chord(chord, transpose_value, notation, key, last_chord, is_bass):
|
||
"""
|
||
Transpose chord according to the notation used.
|
||
NOTE: This function has a javascript equivalent in chords.js - make sure to update both!
|
||
|
||
:param chord: The chord to transpose.
|
||
:param transpose_value: The value the chord should be transposed.
|
||
:param notation: The notation to use when transposing.
|
||
:return: The transposed chord.
|
||
"""
|
||
# See https://en.wikipedia.org/wiki/Musical_note#12-tone_chromatic_scale
|
||
notes_sharp_notation = {
|
||
'german': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'english': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'neo-latin': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si']
|
||
}
|
||
notes_flat_notation = {
|
||
'german': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'english': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'neo-latin': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Si']
|
||
}
|
||
scales = {
|
||
'german': {
|
||
'C': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'Am': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'C#': ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'A#m': ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'Db': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'Bm': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'D': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'Hm': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'D#': ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
|
||
'H#m': ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
|
||
'Eb': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'Cm': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'E': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
|
||
'C#m': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
|
||
'F': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
|
||
'Dm': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'F#': ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'D#m': ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'Gb': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'Ebm': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'G': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'Em': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
|
||
'G#': ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
|
||
'E#m': ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
|
||
'Ab': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'Fm': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'A': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
|
||
'F#m': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
|
||
'A#': ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
|
||
'F##m': ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
|
||
'Fxm': ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
|
||
'B': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
|
||
'Gm': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
|
||
'H': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'G#m': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
|
||
'Cb': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
|
||
'Abm': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb']
|
||
},
|
||
'english': {
|
||
'C': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'Am': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'C#': ['B#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'A#m': ['B#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'Db': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'Bbm': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'D': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'Bm': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'D#': ['B#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
|
||
'B#m': ['B#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
|
||
'Eb': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'Cm': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'E': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
|
||
'C#m': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
|
||
'F': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
|
||
'Dm': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'F#': ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'D#m': ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'Gb': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'Ebm': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'G': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'Em': ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
|
||
'G#': ['B#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
|
||
'E#m': ['B#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
|
||
'Ab': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'Fm': ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'A': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
|
||
'F#m': ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
|
||
'A#': ['B#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
|
||
'F##m': ['B#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
|
||
'Fxm': ['B#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
|
||
'Bb': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
|
||
'Gm': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
|
||
'B': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'G#m': ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
|
||
'Cb': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
|
||
'Abm': ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb']
|
||
},
|
||
'neo-latin': {
|
||
'Do': ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Lam': ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Do#': ['Si#', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'La#m': ['Si#', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Reb': ['Do', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Sibm': ['Do', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Re': ['Do', 'Do#', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Sim': ['Do', 'Do#', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Re#': ['Si#', 'Do#', 'Dox', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Si#m': ['Si#', 'Do#', 'Dox', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Mib': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Dom': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Mi': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'Sib', 'Si'],
|
||
'Do#m': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'Sib', 'Si'],
|
||
'Fa': ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Dob'],
|
||
'Rem': ['Do', 'Do#', 'Re', 'Mib', 'Mi', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Fa#': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Re#m': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Solb': ['Rebb', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Mibm': ['Rebb', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Sol': ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Mim': ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Lab', 'La', 'Sib', 'Si'],
|
||
'Sol#': ['Si#', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Mi#m': ['Si#', 'Do#', 'Re', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Lab': ['Do', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Fam': ['Do', 'Reb', 'Mibb', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'La': ['Do', 'Do#', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'Sib', 'Si'],
|
||
'Fa#m': ['Do', 'Do#', 'Re', 'Mib', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'Sib', 'Si'],
|
||
'La#': ['Si#', 'Do#', 'Dox', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'Solx', 'La#', 'Si'],
|
||
'Fa##m': ['Si#', 'Do#', 'Dox', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'Solx', 'La#', 'Si'],
|
||
'Faxm': ['Si#', 'Do#', 'Dox', 'Re#', 'Mi', 'Mi#', 'Fa#', 'Fax', 'Sol#', 'Solx', 'La#', 'Si'],
|
||
'Sib': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Dob'],
|
||
'Solm': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Dob'],
|
||
'Si': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Sol#m': ['Do', 'Do#', 'Re', 'Re#', 'Mi', 'Fa', 'Fa#', 'Sol', 'Sol#', 'La', 'La#', 'Si'],
|
||
'Dob': ['Rebb', 'Reb', 'Mibb', 'Mib', 'Fab', 'Solbb', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob'],
|
||
'Labm': ['Rebb', 'Reb', 'Mibb', 'Mib', 'Fab', 'Solbb', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob']
|
||
}
|
||
}
|
||
note_numbers = {
|
||
'german': {
|
||
'C': 0, 'H#': 0, 'B##': 0, 'Bx': 0, 'Dbb': 0,
|
||
'C#': 1, 'Db': 1,
|
||
'D': 2, 'C##': 2, 'Cx': 2, 'Ebb': 2,
|
||
'D#': 3, 'Eb': 3,
|
||
'E': 4, 'D##': 4, 'Dx': 4, 'Fb': 4,
|
||
'F': 5, 'E#': 5, 'Gbb': 5,
|
||
'F#': 6, 'Gb': 6,
|
||
'G': 7, 'F##': 7, 'Fx': 7, 'Abb': 7,
|
||
'G#': 8, 'Ab': 8,
|
||
'A': 9, 'G##': 9, 'Gx': 9, 'Bb': 9, 'Hbb': 9,
|
||
'B': 10, 'A#': 10, 'Hb': 10,
|
||
'H': 11, 'B#': 11, 'A##': 11, 'Ax': 11, 'Cb': 11
|
||
},
|
||
'english': {
|
||
'C': 0, 'B#': 0, 'Dbb': 0,
|
||
'C#': 1, 'Db': 1, 'B##': 1, 'Bx': 1,
|
||
'D': 2, 'C##': 2, 'Cx': 2, 'Ebb': 2,
|
||
'D#': 3, 'Eb': 3, 'Fbb': 3,
|
||
'E': 4, 'D##': 4, 'Dx': 4, 'Fb': 4,
|
||
'F': 5, 'E#': 5, 'Gbb': 5,
|
||
'F#': 6, 'Gb': 6, 'E##': 6, 'Ex': 6,
|
||
'G': 7, 'F##': 7, 'Fx': 7, 'Abb': 7,
|
||
'G#': 8, 'Ab': 8,
|
||
'A': 9, 'G##': 9, 'Gx': 9, 'Bbb': 9,
|
||
'Bb': 10, 'A#': 10, 'Cbb': 10,
|
||
'B': 11, 'A##': 11, 'Ax': 11, 'Cb': 11
|
||
},
|
||
'neo-latin': {
|
||
'Do': 0, 'Si#': 0, 'Rebb': 0,
|
||
'Do#': 1, 'Reb': 1, 'Si##': 1, 'Six': 1,
|
||
'Re': 2, 'Do##': 2, 'Dox': 2, 'Mibb': 2,
|
||
'Re#': 3, 'Mib': 3, 'Fabb': 3,
|
||
'Mi': 4, 'Re##': 4, 'Rex': 4, 'Fab': 4,
|
||
'Fa': 5, 'Mi#': 5, 'Solbb': 5,
|
||
'Fa#': 6, 'Solb': 6, 'Mi##': 6, 'Mix': 6,
|
||
'Sol': 7, 'Fa##': 7, 'Fax': 7, 'Labb': 7,
|
||
'Sol#': 8, 'Lab': 8,
|
||
'La': 9, 'Sol##': 9, 'Solx': 9, 'Sibb': 9,
|
||
'Sib': 10, 'La#': 10, 'Dobb': 10,
|
||
'Si': 11, 'La##': 11, 'Lax': 11, 'Dob': 11
|
||
}
|
||
}
|
||
chord = chord.replace('♭', 'b').replace('♯', '#')
|
||
transposed_chord = ''
|
||
minor = ''
|
||
is_key_change_chord = False
|
||
notes_sharp = notes_sharp_notation[notation]
|
||
notes_flat = notes_flat_notation[notation]
|
||
notes_preferred = ['b', '#', '#', 'b', '#', 'b', '#', '#', 'b', '#', 'b', '#']
|
||
if chord and chord[0] == '(':
|
||
transposed_chord += '('
|
||
if len(chord) > 1:
|
||
chord = chord[1:]
|
||
else:
|
||
chord = ''
|
||
if chord and chord[0] == '=':
|
||
transposed_chord += '='
|
||
if len(chord) > 1:
|
||
chord = chord[1:]
|
||
is_key_change_chord = True
|
||
else:
|
||
chord = ''
|
||
if chord and chord[0] == '|':
|
||
transposed_chord += '|'
|
||
if len(chord) > 1:
|
||
chord = chord[1:]
|
||
else:
|
||
chord = ''
|
||
if len(chord) > 0:
|
||
if notation == 'neo-latin':
|
||
if len(chord) > 2 and chord[0:3].lower() == 'sol':
|
||
note = chord[0:3]
|
||
chord = chord[3:] if len(chord) > 3 else ''
|
||
elif len(chord) > 1:
|
||
note = chord[0:2]
|
||
chord = chord[2:] if len(chord) > 2 else ''
|
||
else:
|
||
note = chord[0]
|
||
chord = chord[1:] if len(chord) > 1 else ''
|
||
while len(chord) > 0 and '#bx'.find(chord[0]) > -1:
|
||
note += chord[0]
|
||
chord = chord[1:] if len(chord) > 0 else ''
|
||
if len(chord) > 0:
|
||
if 'm-'.find(chord[0]) > -1 or (len(chord) > 1 and chord[0:2].lower() == 'mi'):
|
||
minor = chord[0]
|
||
chord = chord[1:] if len(chord) > 1 else ''
|
||
else:
|
||
minor = ''
|
||
note_number = note_numbers[notation][note]
|
||
note_number += transpose_value
|
||
while note_number > 11:
|
||
note_number -= 12
|
||
while note_number < 0:
|
||
note_number += 12
|
||
if is_bass:
|
||
if last_chord:
|
||
note = scales[notation][last_chord][note_number]
|
||
elif key:
|
||
note = scales[notation][key][note_number]
|
||
else:
|
||
note = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[note_number]
|
||
else:
|
||
if not key or is_key_change_chord:
|
||
note = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[note_number]
|
||
else:
|
||
note = scales[notation][key][note_number]
|
||
transposed_chord += note + minor + chord
|
||
if is_key_change_chord:
|
||
key = note + minor
|
||
else:
|
||
if not is_bass:
|
||
last_chord = note + minor
|
||
return transposed_chord, key, last_chord
|