# -*- coding: utf-8 -*-
from . import cmudict

""" 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. """

_pad = "_"
_punctuation = "!'(),.:;? "
_special = "-"
_letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"

# 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:
symbols = (
    [_pad] + list(_special) + list(_punctuation) + list(_letters) + _arpabet
)