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22 lines
545 B
Python
22 lines
545 B
Python
import re
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try:
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import nltk
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NLTK_AVAILABLE = True
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except (ImportError, ModuleNotFoundError):
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NLTK_AVAILABLE = False
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if NLTK_AVAILABLE:
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try:
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nltk.download("punkt", quiet=True)
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except FileExistsError: # multiprocessing race condition
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pass
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def add_newline_to_end_of_each_sentence(x: str) -> str:
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re.sub("<n>", "", x) # remove pegasus newline char
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assert NLTK_AVAILABLE, "nltk must be installed to separate newlines betwee sentences. (pip install nltk)"
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return "\n".join(nltk.sent_tokenize(x))
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