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main.py
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main.py
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'''
This file creates a wrapper around launching MorphBERT experiment, collecting
evaluation data from a particular experiment, etc.
'''
import argparse
import json
import os.path as op
import random
import numpy as np
import torch
from torch.utils.data import DataLoader
from data import CoNLLUData
from experiment import MorphBERT, create_infer_df
def main(lang, probe_layer=12, transfer=None, control=False, force_train=False,
test=False, evaluate=False, infer=False, aggregate='sum', bsz=512,
epochs=50, configs='configs.json', csv_dir='csv', model_dir='models'):
# load configs
with open(configs, 'r') as f:
configs = json.load(f)
# determine language/copora
try:
# train/dev config
config = configs[lang]
train_fn = config['train_fn']
dev_fn = config['dev_fn']
model_fn = config['model_fn']
data_params = config['data_params']
csv_fn = ('', '')
if transfer:
config = configs[transfer]
if test:
csv_fn = (model_fn, f'{lang[0]}_{lang[1]}')
# test config
test_fn = config['test_fn']
test_data_params = config['data_params']
test_data_params['feats_fn'] = data_params['feats_fn']
except KeyError:
raise ValueError(
"Please specify a valid '--lang' argument:\n\t" +
'\n\t'.join(configs.keys())
)
data_params['layer'] = test_data_params['layer'] = probe_layer
data_params['control'] = test_data_params['control'] = control
data_params['aggregate'] = test_data_params['aggregate'] = aggregate
# modify `model_fn` to include the probe layer
model_fn += f'_{probe_layer:02}'
# create datasets and data generators
train_data = CoNLLUData(corpus_fn=train_fn, **data_params)
train_generator = DataLoader(dataset=train_data, batch_size=bsz)
dev_data = CoNLLUData(corpus_fn=dev_fn, **data_params)
dev_generator = DataLoader(dataset=dev_data, batch_size=bsz)
if test:
eval_header = '#### TEST ####\n'
test_data = CoNLLUData(corpus_fn=test_fn, **test_data_params)
test_generator = DataLoader(dataset=test_data, batch_size=bsz)
# set the test set as the evaluation set
eval_data = test_data
eval_generator = test_generator
else:
eval_header = '#### DEV ####\n'
# set the dev set as the evaluation set
eval_data = dev_data
eval_generator = dev_generator
# switch to the control task
if control:
train_header = '#### TRAIN (CONTROL TASK) ####\n'
model_fn += '-ctrl'
train_data.use_control()
eval_data.use_control()
else:
train_header = '#### TRAIN ####\n'
# note the aggregation strategy
model_fn += '-' + aggregate
# instantiate the model
hehe = MorphBERT(
features=train_data.features,
model_fn=op.join(model_dir, model_fn),
epochs=epochs,
)
# train the probe (overwrite any existing probe files)
if force_train:
print(train_header)
hehe.fit_train_thing(
train_batches=train_generator,
val_batches=dev_generator,
)
else:
try:
# load the pre-trained probe
hehe.load()
except FileNotFoundError:
# train the probe (since it has not been trained before)
print(train_header)
hehe.fit_train_thing(
train_batches=train_generator,
val_batches=dev_generator,
)
if evaluate or infer:
eval_loss, y_pred = hehe.evaluate(eval_generator)
# get performance (e.g., P, R, F1) on the evaluation set
if evaluate:
print(eval_header)
print(f'Evaluation loss: {eval_loss:.6f}\n\nAll:')
print(hehe.eval_morph(eval_data, y_pred))
print('In vocabulary:')
print(hehe.eval_morph(eval_data, y_pred, mask='vocab'))
print('Out of vocabulary:')
print(hehe.eval_morph(eval_data, y_pred, mask='oov'))
if eval_data.mwt_mask.sum():
print('Simplex:')
print(hehe.eval_morph(eval_data, y_pred, mask='simplex'))
print('Multiword tokens:')
print(hehe.eval_morph(eval_data, y_pred, mask='mwt'))
# get predictions on the evaluation set and write them to file
if infer:
csv_fn = op.join(csv_dir, model_fn.replace(*csv_fn))
csv_fn += '-test' if test else '-dev'
create_infer_df(eval_data, y_pred, csv_fn + '.csv')
if __name__ == '__main__':
# command things
parser = argparse.ArgumentParser()
parser.add_argument('-l', '--lang', required=True)
parser.add_argument('-p', '--probe_layer', type=int, default=12)
parser.add_argument('-m', '--transfer', type=str)
parser.add_argument('-c', '--control', action='store_true')
parser.add_argument('-f', '--force_train', action='store_true')
parser.add_argument('-t', '--test', action='store_true')
parser.add_argument('-e', '--evaluate', action='store_true')
parser.add_argument('-i', '--infer', action='store_true')
parser.add_argument('-a', '--aggregate', default='sum',
choices=('init', 'fin', 'sum', 'mean'))
parser.add_argument('--bsz', type=int, default=512)
parser.add_argument('--epochs', type=int, default=50)
parser.add_argument('--configs', default='configs.json')
parser.add_argument('--csv_dir', default='csv')
parser.add_argument('--model_dir', default='models')
parser.add_argument('--seed', type=int, default=5)
args = parser.parse_args()
# seed things for reproducibility
seed = args.seed
delattr(args, 'seed')
torch.manual_seed(seed)
np.random.seed(seed)
random.seed(seed)
if torch.cuda.is_available():
print('Using a GPU!')
torch.cuda.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
torch.backends.cudnn.deterministic = True
torch.backends.cudnn.benchmark = False
main(**vars(args))