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Convert gensim word2vec to tensorboard visualized model, detail: https://eliyar.biz/using-pre-trained-gensim-word2vector-in-a-keras-model-and-visualizing/
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# encoding: utf-8 | |
""" | |
@author: BrikerMan | |
@contact: eliyar917@gmail.com | |
@blog: https://eliyar.biz | |
@version: 1.0 | |
@license: Apache Licence | |
@file: w2v_visualizer.py | |
@time: 2017/7/30 上午9:37 | |
""" | |
import sys | |
import os | |
import pathlib | |
import numpy as np | |
from gensim.models.keyedvectors import KeyedVectors | |
import tensorflow as tf | |
from tensorflow.contrib.tensorboard.plugins import projector | |
def visualize(model, output_path): | |
meta_file = "w2x_metadata.tsv" | |
placeholder = np.zeros((len(model.wv.index2word), model.vector_size)) | |
with open(os.path.join(output_path, meta_file), 'wb') as file_metadata: | |
for i, word in enumerate(model.wv.index2word): | |
placeholder[i] = model[word] | |
# temporary solution for https://github.com/tensorflow/tensorflow/issues/9094 | |
if word == '': | |
print("Emply Line, should replecaed by any thing else, or will cause a bug of tensorboard") | |
file_metadata.write("{0}".format('<Empty Line>').encode('utf-8') + b'\n') | |
else: | |
file_metadata.write("{0}".format(word).encode('utf-8') + b'\n') | |
# define the model without training | |
sess = tf.InteractiveSession() | |
embedding = tf.Variable(placeholder, trainable=False, name='w2x_metadata') | |
tf.global_variables_initializer().run() | |
saver = tf.train.Saver() | |
writer = tf.summary.FileWriter(output_path, sess.graph) | |
# adding into projector | |
config = projector.ProjectorConfig() | |
embed = config.embeddings.add() | |
embed.tensor_name = 'w2x_metadata' | |
embed.metadata_path = meta_file | |
# Specify the width and height of a single thumbnail. | |
projector.visualize_embeddings(writer, config) | |
saver.save(sess, os.path.join(output_path, 'w2x_metadata.ckpt')) | |
print('Run `tensorboard --logdir={0}` to run visualize result on tensorboard'.format(output_path)) | |
if __name__ == "__main__": | |
""" | |
Use model.save_word2vec_format to save w2v_model as word2evc format | |
Then just run `python w2v_visualizer.py word2vec.text visualize_result` | |
""" | |
try: | |
model_path = sys.argv[1] | |
output_path = sys.argv[2] | |
except: | |
print("Please provice model path and output path") | |
model = KeyedVectors.load_word2vec_format(model_path) | |
pathlib.Path(output_path).mkdir(parents=True, exist_ok=True) | |
visualize(model, output_path) |
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