Parser + fixed bert pad token id

refactor/data/datamodule.py

@@ -147,7 +147,6 @@ def tokenize(l_raw, max_len):
     :param max_len:
     :return:
     """
-    # TODO: check BertTokenizerFast https://huggingface.co/transformers/model_doc/bert.html#berttokenizerfast
     tokenizer = BertTokenizer.from_pretrained('bert-base-multilingual-cased')
     l_tokenized = {}
     for lang in l_raw.keys():

refactor/main.py

@@ -2,60 +2,57 @@ from argparse import ArgumentParser
 from funnelling import *
 from view_generators import *
 from data.dataset_builder import MultilingualDataset
-from util.common import MultilingualIndex, get_params
+from util.common import MultilingualIndex, get_params, get_method_name
 from util.evaluation import evaluate
 from util.results_csv import CSVlog
 from time import time
 
 
 def main(args):
-    OPTIMC = False   # TODO
+    assert args.post_embedder or args.muse_embedder or args.wce_embedder or args.gru_embedder or args.bert_embedder, \
-    N_JOBS = 8
+        'empty set of document embeddings is not allowed!'
-    print('Running refactored...')
 
-    # _DATASET = '/homenfs/a.pedrotti1/datasets/CLESA/rcv2/rcv1-2_doclist_trByLang1000_teByLang1000_processed_run0.pickle'
+    print('Running generalized funnelling...')
-    # EMBEDDINGS_PATH = '/homenfs/a.pedrotti1/embeddings/MUSE'
 
-    _DATASET = '/home/moreo/CLESA/rcv2/rcv1-2_doclist_trByLang1000_teByLang1000_processed_run0.pickle'
+    data = MultilingualDataset.load(args.dataset)
-    EMBEDDINGS_PATH = '/home/andreapdr/gfun/embeddings'
-    data = MultilingualDataset.load(_DATASET)
     data.set_view(languages=['it', 'fr'])
     data.show_dimensions()
     lX, ly = data.training()
     lXte, lyte = data.test()
 
     # Init multilingualIndex - mandatory when deploying Neural View Generators...
+    if args.gru_embedder or args.bert_embedder:
         multilingualIndex = MultilingualIndex()
-    lMuse = MuseLoader(langs=sorted(lX.keys()), cache=EMBEDDINGS_PATH)
+        lMuse = MuseLoader(langs=sorted(lX.keys()), cache=args.muse_dir)
         multilingualIndex.index(lX, ly, lXte, lyte, l_pretrained_vocabulary=lMuse.vocabulary())
 
     embedder_list = []
-    if args.X:
+    if args.post_embedder:
-        posteriorEmbedder = VanillaFunGen(base_learner=get_learner(calibrate=True), n_jobs=N_JOBS)
+        posteriorEmbedder = VanillaFunGen(base_learner=get_learner(calibrate=True), n_jobs=args.n_jobs)
         embedder_list.append(posteriorEmbedder)
 
-    if args.M:
+    if args.muse_embedder:
-        museEmbedder = MuseGen(muse_dir=EMBEDDINGS_PATH, n_jobs=N_JOBS)
+        museEmbedder = MuseGen(muse_dir=args.muse_dir, n_jobs=args.n_jobs)
         embedder_list.append(museEmbedder)
 
-    if args.W:
+    if args.wce_embedder:
-        wceEmbedder = WordClassGen(n_jobs=N_JOBS)
+        wceEmbedder = WordClassGen(n_jobs=args.n_jobs)
         embedder_list.append(wceEmbedder)
 
-    if args.G:
+    if args.gru_embedder:
-        rnnEmbedder = RecurrentGen(multilingualIndex, pretrained_embeddings=lMuse, wce=False, batch_size=256,
+        rnnEmbedder = RecurrentGen(multilingualIndex, pretrained_embeddings=lMuse, wce=args.gru_wce, batch_size=256,
-                                   nepochs=250, gpus=args.gpus, n_jobs=N_JOBS)
+                                   nepochs=args.nepochs, gpus=args.gpus, n_jobs=args.n_jobs)
         embedder_list.append(rnnEmbedder)
 
-    if args.B:
+    if args.bert_embedder:
-        bertEmbedder = BertGen(multilingualIndex, batch_size=4, nepochs=1, gpus=args.gpus, n_jobs=N_JOBS)
+        bertEmbedder = BertGen(multilingualIndex, batch_size=4, nepochs=10, gpus=args.gpus, n_jobs=args.n_jobs)
+        bertEmbedder.transform(lX)
         embedder_list.append(bertEmbedder)
 
-    # Init DocEmbedderList
+    # Init DocEmbedderList (i.e., first-tier learners or view generators) and metaclassifier
     docEmbedders = DocEmbedderList(embedder_list=embedder_list, probabilistic=True)
-    meta_parameters = None if not OPTIMC else [{'C': [1, 1e3, 1e2, 1e1, 1e-1]}]
     meta = MetaClassifier(meta_learner=get_learner(calibrate=False, kernel='rbf'),
-                          meta_parameters=get_params(optimc=OPTIMC))
+                          meta_parameters=get_params(optimc=args.optimc))
 
     # Init Funnelling Architecture
     gfun = Funnelling(first_tier=docEmbedders, meta_classifier=meta)
@@ -78,18 +75,21 @@ def main(args):
 
     # Logging ---------------------------------------
     print('\n[Results]')
-    results = CSVlog('test_log.csv')
+    results = CSVlog(args.csv_dir)
     metrics = []
     for lang in lXte.keys():
         macrof1, microf1, macrok, microk = l_eval[lang]
         metrics.append([macrof1, microf1, macrok, microk])
         print(f'Lang {lang}: macro-F1 = {macrof1:.3f} micro-F1 = {microf1:.3f}')
+        if results is not None:
+            _id, _dataset = get_method_name(args)
             results.add_row(method='gfun',
-                        setting='TODO',
+                            setting=_id,
+                            optimc=args.optimc,
                             sif='True',
                             zscore='True',
                             l2='True',
-                        dataset='TODO',
+                            dataset=_dataset,
                             time_tr=time_tr,
                             time_te=time_te,
                             lang=lang,
@@ -105,12 +105,63 @@ def main(args):
 
 
 if __name__ == '__main__':
-    parser = ArgumentParser()
+    parser = ArgumentParser(description='Run generalized funnelling, A. Moreo, A. Pedrotti and F. Sebastiani')
-    parser.add_argument('--X')
+
-    parser.add_argument('--M')
+    parser.add_argument('dataset', help='Path to the dataset')
-    parser.add_argument('--W')
+
-    parser.add_argument('--G')
+    parser.add_argument('-o', '--output', dest='csv_dir',
-    parser.add_argument('--B')
+                        help='Result file (default ../csv_log/gfun_results.csv)', type=str,
-    parser.add_argument('--gpus', default=None)
+                        default='csv_logs/gfun/gfun_results.csv')
+
+    parser.add_argument('-x', '--post_embedder', dest='post_embedder', action='store_true',
+                        help='deploy posterior probabilities embedder to compute document embeddings',
+                        default=False)
+
+    parser.add_argument('-w', '--wce_embedder', dest='wce_embedder', action='store_true',
+                        help='deploy (supervised) Word-Class embedder to the compute document embeddings',
+                        default=False)
+
+    parser.add_argument('-m', '--muse_embedder', dest='muse_embedder', action='store_true',
+                        help='deploy (pretrained) MUSE embedder to compute document embeddings',
+                        default=False)
+
+    parser.add_argument('-b', '--bert_embedder', dest='bert_embedder', action='store_true',
+                        help='deploy multilingual Bert to compute document embeddings',
+                        default=False)
+
+    parser.add_argument('-g', '--gru_embedder', dest='gru_embedder', action='store_true',
+                        help='deploy a GRU in order to compute document embeddings',
+                        default=False)
+
+    parser.add_argument('-c', '--c_optimize', dest='optimc', action='store_true',
+                        help='Optimize SVMs C hyperparameter',
+                        default=False)
+
+    parser.add_argument('-n', '--nepochs', dest='nepochs', type=str,
+                        help='Number of max epochs to train Recurrent embedder (i.e., -g)')
+
+    parser.add_argument('-j', '--n_jobs', dest='n_jobs', type=int,
+                        help='Number of parallel jobs (default is -1, all)',
+                        default=-1)
+
+    parser.add_argument('--muse_dir', dest='muse_dir', type=str,
+                        help='Path to the MUSE polylingual word embeddings (default ../embeddings)',
+                        default='../embeddings')
+
+    parser.add_argument('--gru_wce', dest='gru_wce', action='store_true',
+                        help='Deploy WCE embedding as embedding layer of the GRU View Generator',
+                        default=False)
+
+    parser.add_argument('--gru_dir', dest='gru_dir', type=str,
+                        help='Set the path to a pretrained GRU model (i.e., -g view generator)',
+                        default=None)
+
+    parser.add_argument('--bert_dir', dest='bert_dir', type=str,
+                        help='Set the path to a pretrained mBERT model (i.e., -b view generator)',
+                        default=None)
+
+    parser.add_argument('--gpus', help='specifies how many GPUs to use per node',
+                        default=None)
+
     args = parser.parse_args()
     main(args)

refactor/models/pl_bert.py

@@ -161,7 +161,7 @@ class BertModel(pl.LightningModule):
                     else:
                         batch = lX[lang][i:i + batch_size]
                     max_pad_len = define_pad_length(batch)
-                    batch = pad(batch, pad_index='101', max_pad_length=max_pad_len)     # TODO: check pad index!
+                    batch = pad(batch, pad_index=self.bert.config.pad_token_id, max_pad_length=max_pad_len)
                     batch = torch.LongTensor(batch).to('cuda' if self.gpus else 'cpu')
                     _, output = self.forward(batch)
                     doc_embeds = output[-1][:, 0, :]

refactor/util/common.py

@@ -369,3 +369,16 @@ def get_params(optimc=False):
     c_range = [1e4, 1e3, 1e2, 1e1, 1, 1e-1]
     kernel = 'rbf'
     return [{'kernel': [kernel], 'C': c_range, 'gamma':['auto']}]
+
+
+def get_method_name(args):
+    _id = ''
+    _id_conf = [args.post_embedder, args.wce_embedder, args.muse_embedder, args.bert_embedder, args.gru_embedder]
+    _id_name = ['X', 'W', 'M', 'B', 'G']
+    for i, conf in enumerate(_id_conf):
+        if conf:
+            _id += _id_name[i]
+    _id = _id if not args.gru_wce else _id + '_wce'
+    _dataset_path = args.dataset.split('/')[-1].split('_')
+    dataset_id = _dataset_path[0] + _dataset_path[-1]
+    return _id, dataset_id

refactor/util/file.py

@@ -1,6 +1,5 @@
 from os import listdir, makedirs
 from os.path import isdir, isfile, join, exists, dirname
-#from sklearn.externals.six.moves import urllib
 import urllib
 from pathlib import Path
 
@@ -14,6 +13,7 @@ def download_file(url, archive_filename):
     urllib.request.urlretrieve(url, filename=archive_filename, reporthook=progress)
     print("")
 
+
 def download_file_if_not_exists(url, archive_path):
     if exists(archive_path): return
     makedirs_if_not_exist(dirname(archive_path))
@@ -25,20 +25,26 @@ def ls(dir, typecheck):
     el.sort()
     return el
 
+
 def list_dirs(dir):
     return ls(dir, typecheck=isdir)
 
+
 def list_files(dir):
     return ls(dir, typecheck=isfile)
 
+
 def makedirs_if_not_exist(path):
     if not exists(path): makedirs(path)
 
+
 def create_if_not_exist(path):
     if not exists(path): makedirs(path)
 
+
 def get_parent_name(path):
     return Path(path).parent
 
+
 def get_file_name(path):
     return Path(path).name

refactor/util/results_csv.py

@@ -8,6 +8,7 @@ class CSVlog:
         self.file = file
         self.columns = ['method',
                         'setting',
+                        'optimc',
                         'sif',
                         'zscore',
                         'l2',
@@ -34,9 +35,9 @@ class CSVlog:
     def already_calculated(self, id):
         return (self.df['id'] == id).any()
 
-    def add_row(self, method, setting, sif, zscore, l2, dataset, time_tr, time_te, lang,
+    def add_row(self, method, setting, optimc, sif, zscore, l2, dataset, time_tr, time_te, lang,
                 macrof1, microf1, macrok=np.nan, microk=np.nan, notes=''):
-        s = pd.Series([method, setting,sif, zscore, l2, dataset, time_tr, time_te, lang,
+        s = pd.Series([method, setting, optimc, sif, zscore, l2, dataset, time_tr, time_te, lang,
                        macrof1, microf1, macrok, microk, notes],
                       index=self.columns)
         self.df = self.df.append(s, ignore_index=True)