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@@ -53,3 +53,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+cultural_discourse_subject/train.json filter=lfs diff=lfs merge=lfs -text
+cultural_discourse_type/train.json filter=lfs diff=lfs merge=lfs -text

cultural_discourse_subject/train.json

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+version https://git-lfs.github.com/spec/v1
+oid sha256:ad7c120c12b77bdd93ec94678a35f72622570ef6706a26e7e15750f45ef582dd
+size 20279680

cultural_discourse_type/train.json

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+version https://git-lfs.github.com/spec/v1
+oid sha256:53e27ce1c4b6dd3f03c881db6ea0214fb37365d55c014218a028b156f694fca8
+size 20279498

russian_second_level.py

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+"""Russian Literary Dataset from late 19th century up to early 20th century."""
+
+import json
+import os
+import warnings
+from typing import Dict, List, Tuple
+
+import datasets
+import numpy as np
+from transformers import PreTrainedTokenizerBase
+
+_DESCRIPTION = """Second level categorization of Russian articles."""
+
+_HOMEPAGE = ""
+
+_LICENSE = ""
+
+_NAMES = [
+    "cultural_discourse_subject",
+    "cultural_discourse_type",
+    "literary_text_type",
+]
+
+# Label information as `(num_labels, is_multi_label)` tuples
+_LABELS: Dict[str, Tuple[int, bool]] = {
+    "cultural_discourse_subject": (7, True),
+    "cultural_discourse_type": (7, True),
+    "literary_text_type": (5, False),
+}
+
+
+def generate_urls(name: str) -> Dict[str, str]:
+    return {
+        "train": os.path.join(name, "train.json"),
+        "val": os.path.join(name, "val.json"),
+        "test": os.path.join(name, "test.json"),
+    }
+
+
+class NonwestlitSecondLevelConfig(datasets.BuilderConfig):
+    """BuilderConfig for Dataset."""
+
+    def __init__(
+        self, tokenizer: PreTrainedTokenizerBase = None, max_sequence_length: int = None, **kwargs
+    ):
+        """BuilderConfig for Dataset.
+
+        Args:
+            **kwargs: keyword arguments forwarded to super.
+        """
+        super(NonwestlitSecondLevelConfig, self).__init__(**kwargs)
+        self.tokenizer = tokenizer
+        self.max_sequence_length = max_sequence_length
+
+    @property
+    def features(self):
+        if self.name == "literary_text_type":
+            labels = datasets.Value("uint8")
+        else:
+            labels = datasets.Sequence(datasets.Value("uint8"))
+        return {
+            "labels": labels,
+            "input_ids": datasets.Value("string"),
+            "title": datasets.Value("string"),
+            "iid": datasets.Value("uint32"),
+            "chunk_id": datasets.Value("uint32"),
+        }
+
+
+class NonwestlitSecondLevelDataset(datasets.GeneratorBasedBuilder):
+    VERSION = datasets.Version("0.0.1")
+
+    BUILDER_CONFIGS = [
+        NonwestlitSecondLevelConfig(name=name, version=version, description=name)
+        for name, version in zip(_NAMES, [VERSION] * len(_NAMES))
+    ]
+    BUILDER_CONFIG_CLASS = NonwestlitSecondLevelConfig
+    __current_id = 1
+    __current_chunk_id = 1
+
+    @property
+    def __next_id(self):
+        cid = self.__current_id
+        self.__current_id += 1
+        return cid
+
+    @property
+    def __next_chunk_id(self):
+        cid = self.__current_chunk_id
+        self.__current_chunk_id += 1
+        return cid
+
+    @property
+    def label_info(self) -> Tuple[int, bool]:
+        return _LABELS[self.config.name]
+
+    def __reset_chunk_id(self):
+        self.__current_chunk_id = 1
+
+    def _info(self):
+        if self.config.tokenizer is None:
+            raise RuntimeError(
+                "For HF Datasets and for chunking to be carried out, 'tokenizer' must be given."
+            )
+        if "llama" in self.config.tokenizer.name_or_path:
+            warnings.warn(
+                "It is suggested to pass 'max_sequence_length' argument for Llama-2 model family. There "
+                "might be errors for the data processing parts as `model_max_len` attributes are set to"
+                "MAX_INT64 (?)."
+            )
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=datasets.Features(self.config.features),
+        )
+
+    def _split_generators(self, dl_manager):
+        urls = generate_urls(self.config.name)
+        data_dir = dl_manager.download_and_extract(urls)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN, gen_kwargs={"filepath": data_dir["train"]}
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION, gen_kwargs={"filepath": data_dir["val"]}
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST, gen_kwargs={"filepath": data_dir["test"]}
+            ),
+        ]
+
+    def prepare_articles(self, article: str) -> List[str]:
+        tokenizer = self.config.tokenizer
+        model_inputs = tokenizer(
+            article,
+            truncation=True,
+            padding=True,
+            max_length=self.config.max_sequence_length,
+            return_overflowing_tokens=True,
+        )
+        return tokenizer.batch_decode(model_inputs["input_ids"], skip_special_tokens=True)
+
+    def _to_one_hot(self, labels: List[int], num_labels: int) -> List[int]:
+        x = np.zeros(num_labels, dtype=np.float16)
+        x[labels] = 1.0
+        return x.tolist()
+
+    # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
+    def _generate_examples(self, filepath: str):
+        with open(filepath, encoding="utf-8") as f:
+            dataset = json.load(f)
+
+        num_labels, multi_label = self.label_info
+        chunk_id = 0
+        for instance in dataset:
+            iid = instance.get("id", self.__next_id)
+            label = instance.get("label")
+            if label is None:
+                if not multi_label:
+                    continue
+                else:
+                    label = self._to_one_hot(labels=[], num_labels=num_labels)
+            elif isinstance(label, int):
+                label = int(label) - 1
+            elif isinstance(label, str):
+                if multi_label:
+                    label = [int(l) - 1 for l in label.split(",")]
+                    label = self._to_one_hot(label, num_labels)
+                else:
+                    label = int(label) - 1
+
+            article = self.prepare_articles(instance["article"])
+            self.__reset_chunk_id()
+            for chunk in article:
+                chunk_inputs = {
+                    "iid": iid,
+                    "chunk_id": self.__next_chunk_id,
+                    "title": instance["title"],
+                    "input_ids": chunk,
+                    "labels": label,
+                }
+                yield chunk_id, chunk_inputs
+                chunk_id += 1