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build_vocab.py
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build_vocab.py
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"""Script to build words, chars and tags vocab"""
__author__ = "NSanjay"
from collections import Counter
from pathlib import Path
MINCOUNT = 1
if __name__ == '__main__':
# 1. Words
# Get Counter of words on all the data, filter by min count, save
data_dir = "../data/"
def words(name):
return '{}.words.txt'.format(name)
print('Build vocab words (may take a while)')
counter_words = Counter()
for n in ['train', 'test']:
with Path(data_dir + words(n)).open() as f:
for line in f:
counter_words.update(line.strip().split())
vocab_words = {w for w, c in counter_words.items() if c >= MINCOUNT}
with Path(data_dir+'vocab.words.txt').open('w') as f:
for w in sorted(list(vocab_words)):
f.write('{}\n'.format(w))
print('- done. Kept {} out of {}'.format(
len(vocab_words), len(counter_words)))
# 2. Chars
# Get all the characters from the vocab words
print('Build vocab chars')
vocab_chars = set()
for w in vocab_words:
vocab_chars.update(w)
with Path(data_dir+'vocab.chars.txt').open('w') as f:
for c in sorted(list(vocab_chars)):
f.write('{}\n'.format(c))
print('- done. Found {} chars'.format(len(vocab_chars)))
# 3. Tags
# Get all tags from the training set
def tags(name):
return '{}.tags.txt'.format(name)
print('Build vocab tags (may take a while)')
vocab_tags = set()
with Path(data_dir + tags('train')).open() as f:
for line in f:
vocab_tags.update(line.strip().split())
with Path(data_dir+'vocab.tags.txt').open('w') as f:
for t in sorted(list(vocab_tags)):
f.write('{}\n'.format(t))
print('- done. Found {} tags.'.format(len(vocab_tags)))