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""" from https://github.com/keithito/tacotron """
'''
Defines the set of symbols used in text input to the model.
The default is a set of ASCII characters that works well for English or text that has been run through Unidecode. For other data, you can modify _characters. See TRAINING_DATA.md for details. '''
from python.common.text import cmudict
_pad = '_'
_punctuation = '!\'(),.:;? '
_special = '-'
_letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
_french_hepburn ="ÀÂÄĀÈÉÊËĒÎÏĪÔŌŒÙÛÜŪŸÇàâäāèéêëēîïīôōœùûüūÿç"
# Prepend "@" to ARPAbet symbols to ensure uniqueness (some are the same as uppercase letters):
_arpabet = ['@' + s for s in cmudict.valid_symbols]
# Export all symbols:
pad_idx = 0
def get_symbols(symbol_set='english_basic'):
if symbol_set == 'english_basic':
_pad = '_'
_punctuation = '!\'(),.:;? '
_special = '-'
_letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
symbols = list(_pad + _special + _punctuation + _letters) + _arpabet
elif symbol_set == 'english_french_hepburn':
_pad = '_'
_punctuation = '!\'(),.:;? '
_special = '-'
_letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
symbols = list(_pad + _special + _punctuation + _letters + _french_hepburn) + _arpabet
elif symbol_set == 'english_basic_lowercase':
_pad = '_'
_punctuation = '!\'"(),.:;? '
_special = '-'
_letters = 'abcdefghijklmnopqrstuvwxyz'
symbols = list(_pad + _special + _punctuation + _letters) + _arpabet
elif symbol_set == 'english_expanded':
_punctuation = '!\'",.:;? '
_math = '#%&*+-/[]()'
_special = '_@©°½—₩€$'
_accented = 'áçéêëñöøćž'
_letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
symbols = list(_punctuation + _math + _special + _accented + _letters) + _arpabet
else:
raise Exception("{} symbol set does not exist".format(symbol_set))
return symbols
def get_pad_idx(symbol_set='english_basic'):
if symbol_set in {'english_basic', 'english_basic_lowercase', "english_french_hepburn"}:
return 0
else:
raise Exception("{} symbol set not used yet".format(symbol_set))