initial commit

cantemist.py

@@ -0,0 +1,102 @@
+import datasets
+
+
+logger = datasets.logging.get_logger(__name__)
+
+
+_CITATION = """\
+
+"""
+
+_DESCRIPTION = """\
+
+
+"""
+
+_URL = "https://huggingface.co/datasets/fvillena/cantemist/resolve/main/data/"
+_TRAINING_FILE = "cantemist_ner_train.conll"
+_DEV_FILE = "cantemist_ner_dev.conll"
+_TEST_FILE = "cantemist_ner_test.conll"
+
+
+class CantemistConfig(datasets.BuilderConfig):
+    """BuilderConfig for Cantemist"""
+
+    def __init__(self, **kwargs):
+        """BuilderConfig for Cantemist.
+        Args:
+          **kwargs: keyword arguments forwarded to super.
+        """
+        super(CantemistConfig, self).__init__(**kwargs)
+
+
+class Cantemist(datasets.GeneratorBasedBuilder):
+    """Cantemist dataset."""
+
+    BUILDER_CONFIGS = [
+        CantemistConfig(name="cantemist", version=datasets.Version("1.0.0"), description="Cantemist dataset"),
+    ]
+
+    def _info(self):
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=datasets.Features(
+                {
+                    "tokens": datasets.Sequence(datasets.Value("string")),
+                    "ner_tags": datasets.Sequence(
+                        datasets.features.ClassLabel(
+                            names=[
+                                "O",
+                                "B-MORFOLOGIA_NEOPLASIA",
+                                "I-MORFOLOGIA_NEOPLASIA",
+                            ]
+                        )
+                    ),
+                }
+            ),
+            supervised_keys=None,
+            homepage="",
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        """Returns SplitGenerators."""
+        urls_to_download = {
+            "train": f"{_URL}{_TRAINING_FILE}",
+            "dev": f"{_URL}{_DEV_FILE}",
+            "test": f"{_URL}{_TEST_FILE}",
+        }
+        downloaded_files = dl_manager.download_and_extract(urls_to_download)
+
+        return [
+            datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": downloaded_files["train"]}),
+            datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={"filepath": downloaded_files["dev"]}),
+            datasets.SplitGenerator(name=datasets.Split.TEST, gen_kwargs={"filepath": downloaded_files["test"]}),
+        ]
+
+    def _generate_examples(self, filepath):
+        logger.info("⏳ Generating examples from = %s", filepath)
+        with open(filepath, encoding="utf-8") as f:
+            id_ = 0
+            tokens = []
+            ner_tags = []
+            for line in f:
+                if line == "" or line == "\n":
+                    if tokens:
+                        yield id_, {
+                            "tokens": tokens,
+                            "ner_tags": ner_tags,
+                        }
+                        id_ += 1
+                        tokens = []
+                        ner_tags = []
+                else:
+                    # conll2003 tokens are space separated
+                    splits = line.split(" ")
+                    tokens.append(splits[0])
+                    ner_tags.append(splits[1].rstrip())
+            # last example
+            yield id_, {
+                "tokens": tokens,
+                "ner_tags": ner_tags,
+            }