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12fea4a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | # Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the CC-by-NC license found in the
# LICENSE file in the root directory of this source tree.
# This implementation is adapted from https://github.com/louaaron/Score-Entropy-Discrete-Diffusion
# which is released under MIT license
import re
def wt_detokenizer(string):
# contractions
string = string.replace("s '", "s'")
string = re.sub(r"/' [0-9]/", r"/'[0-9]/", string)
# number separators
string = string.replace(" @-@ ", "-")
string = string.replace(" @,@ ", ",")
string = string.replace(" @.@ ", ".")
# punctuation
string = string.replace(" : ", ": ")
string = string.replace(" ; ", "; ")
string = string.replace(" . ", ". ")
string = string.replace(" ! ", "! ")
string = string.replace(" ? ", "? ")
string = string.replace(" , ", ", ")
# double brackets
string = re.sub(r"\(\s*([^\)]*?)\s*\)", r"(\1)", string)
string = re.sub(r"\[\s*([^\]]*?)\s*\]", r"[\1]", string)
string = re.sub(r"{\s*([^}]*?)\s*}", r"{\1}", string)
string = re.sub(r"\"\s*([^\"]*?)\s*\"", r'"\1"', string)
string = re.sub(r"'\s*([^']*?)\s*'", r"'\1'", string)
# miscellaneous
string = string.replace("= = = =", "====")
string = string.replace("= = =", "===")
string = string.replace("= =", "==")
string = string.replace(" " + chr(176) + " ", chr(176))
string = string.replace(" \n", "\n")
string = string.replace("\n ", "\n")
string = string.replace(" N ", " 1 ")
string = string.replace(" 's", "'s")
return string
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