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bda-6-steffo/unimore_bda_6/__main__.py
Stefano Pigozzi 3abba24ca2
Made good progress
How does text vectorization in tensorflow work?
2023-02-05 17:40:22 +01:00

73 lines
3.2 KiB
Python

import logging
import tensorflow
from .config import config, DATA_SET_SIZE
from .database import mongo_client_from_config, reviews_collection, sample_reviews_polar, sample_reviews_varied, store_cache, load_cache
from .analysis.nltk_sentiment import NLTKSentimentAnalyzer
from .analysis.tf_text import TensorflowSentimentAnalyzer
from .tokenizer import NLTKWordTokenizer, PottsTokenizer, PottsTokenizerWithNegation, LowercaseTokenizer
from .log import install_log_handler
log = logging.getLogger(__name__)
def main():
if len(tensorflow.config.list_physical_devices(device_type="GPU")) == 0:
log.warning("Tensorflow reports no GPU acceleration available.")
else:
log.debug("Tensorflow successfully found GPU acceleration!")
for dataset_func in [sample_reviews_polar, sample_reviews_varied]:
for SentimentAnalyzer in [TensorflowSentimentAnalyzer, NLTKSentimentAnalyzer]:
for Tokenizer in [
# NLTKWordTokenizer,
# PottsTokenizer,
# PottsTokenizerWithNegation,
LowercaseTokenizer,
]:
tokenizer = Tokenizer()
model = SentimentAnalyzer(tokenizer=tokenizer)
with mongo_client_from_config() as db:
log.debug("Finding the reviews MongoDB collection...")
collection = reviews_collection(db)
try:
training_cache = load_cache("./data/training")
evaluation_cache = load_cache("./data/evaluation")
except FileNotFoundError:
log.debug("Gathering datasets...")
reviews_training = dataset_func(collection=collection, amount=DATA_SET_SIZE.__wrapped__)
reviews_evaluation = dataset_func(collection=collection, amount=DATA_SET_SIZE.__wrapped__)
log.debug("Caching datasets...")
store_cache(reviews_training, "./data/training")
store_cache(reviews_evaluation, "./data/evaluation")
del reviews_training
del reviews_evaluation
training_cache = load_cache("./data/training")
evaluation_cache = load_cache("./data/evaluation")
log.debug("Caches stored and loaded successfully!")
else:
log.debug("Caches loaded successfully!")
log.info("Training model: %s", model)
model.train(training_cache)
log.info("Evaluating model: %s", model)
evaluation_results = model.evaluate(evaluation_cache)
log.info("%s", evaluation_results)
# try:
# print("Manual testing for %s" % model)
# print("Input an empty string to continue to the next model.")
# while inp := input():
# print(model.use(inp))
# except KeyboardInterrupt:
# pass
if __name__ == "__main__":
install_log_handler()
config.proxies.resolve()
main()