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'''Convert pretrained GloVe embeddings into npy file'''
from __future__ import (absolute_import, division, print_function, unicode_literals)
import numpy as np
import pickle
import argparse
import re
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--dataset', '-d', type=str, required=True)
parser.add_argument('--npy_output', type=str, required=True)
parser.add_argument('--dict_output', type=str, required=True)
parser.add_argument('--dict_whitelist', type=str, required=True)
parser.add_argument('--dump_frequency', type=int, default=10000)
return parser.parse_args()
def main():
args = parse_args()
data = {
'': 0
embeddings = [
np.zeros((300), dtype=np.float32)
float_re = re.compile(' [-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?')
# float_re = re.compile(' -?\d+\.\d+')
with open(args.dict_whitelist) as wfile:
whitelist = [line.strip() for line in wfile]
with open(args.dataset) as ofile, \
open(args.dict_output, 'wb') as dfile, \
open(args.npy_output, 'wb') as nfile:
idx = 1
for line in ofile:
pos = next(re.finditer(float_re, line)).start()
word, vector = line[:pos], line[pos+1:].split()
if word not in whitelist:
if word in data:
print('Possible duplicate at {} in {}'.format(idx, line))
embedding = np.fromiter([float(d) for d in vector], np.float32)
if embedding.shape != (300,):
print('Shape is {}'.format(embedding.shape))
data[word] = idx
idx += 1
if not idx % args.dump_frequency:, np.array(embeddings))
embeddings.clear(), np.array(embeddings))
pickle.dump(data, dfile)
if __name__ == '__main__':