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bda-6-steffo/unimore_bda_6/__main__.py
2023-02-10 05:52:13 +01:00

94 lines
3.9 KiB
Python

import logging
import pymongo.errors
from .log import install_general_log_handlers
install_general_log_handlers()
from .config import config
from .database import mongo_client_from_config, reviews_collection, sample_reviews_polar, sample_reviews_varied
from .analysis import NLTKSentimentAnalyzer, TensorflowCategorySentimentAnalyzer, TensorflowPolarSentimentAnalyzer
from .analysis.base import TrainingFailedError
from .tokenizer import PlainTokenizer, LowercaseTokenizer, NLTKWordTokenizer, PottsTokenizer, PottsTokenizerWithNegation
from .gathering import Caches
log = logging.getLogger(__name__)
def main():
log.info("Started unimore-bda-6 in %s mode!", "DEBUG" if __debug__ else "PRODUCTION")
log.debug("Validating configuration...")
config.proxies.resolve()
log.debug("Ensuring there are no leftover caches...")
Caches.ensure_clean()
with mongo_client_from_config() as db:
try:
db.admin.command("ping")
except pymongo.errors.ServerSelectionTimeoutError:
log.fatal("MongoDB database is not available, exiting...")
exit(1)
reviews = reviews_collection(db)
for sample_func in [sample_reviews_varied, sample_reviews_polar]:
slog = logging.getLogger(f"{__name__}.{sample_func.__name__}")
slog.debug("Selected sample_func: %s", sample_func.__name__)
for SentimentAnalyzer in [
TensorflowPolarSentimentAnalyzer,
TensorflowCategorySentimentAnalyzer,
NLTKSentimentAnalyzer,
]:
slog = logging.getLogger(f"{__name__}.{sample_func.__name__}.{SentimentAnalyzer.__name__}")
slog.debug("Selected SentimentAnalyzer: %s", SentimentAnalyzer.__name__)
for Tokenizer in [
PlainTokenizer,
LowercaseTokenizer,
NLTKWordTokenizer,
PottsTokenizer,
PottsTokenizerWithNegation,
]:
slog = logging.getLogger(f"{__name__}.{sample_func.__name__}.{SentimentAnalyzer.__name__}.{Tokenizer.__name__}")
slog.debug("Selected Tokenizer: %s", Tokenizer.__name__)
run_counter = 0
while True:
slog = logging.getLogger(f"{__name__}.{sample_func.__name__}.{SentimentAnalyzer.__name__}.{Tokenizer.__name__}.{run_counter}")
run_counter += 1
slog.debug("Run #%d", run_counter)
try:
slog.debug("Instantiating %s with %s...", SentimentAnalyzer.__name__, Tokenizer.__name__)
sa = SentimentAnalyzer(tokenizer=Tokenizer())
except TypeError:
slog.warning("%s is not supported by %s, skipping run...", SentimentAnalyzer.__name__, Tokenizer.__name__)
break
with Caches.from_database_samples(collection=reviews, sample_func=sample_func) as datasets:
try:
slog.info("Training sentiment analyzer: %s", sa)
sa.train(training_dataset_func=datasets.training, validation_dataset_func=datasets.validation)
except TrainingFailedError:
slog.error("Training failed, trying again with a different dataset...")
continue
else:
slog.info("Training succeeded!")
slog.info("Evaluating sentiment analyzer: %s", sa)
evaluation_results = sa.evaluate(evaluation_dataset_func=datasets.evaluation)
slog.info("Evaluation results: %s", evaluation_results)
break
if __name__ == "__main__":
main()