Create bodo_english_parallel.py

bodo_english_parallel.py

@@ -0,0 +1,109 @@
+# coding=utf-8
+# Copyright 2020 HuggingFace Datasets Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Lint as: python3
+import os
+
+import datasets
+
+
+_DESCRIPTION = """\
+Bodo and English Parallel Sentences
+2 languages, 3 bitexts
+
+"""
+_HOMEPAGE_URL = "http://get.alayaran.com"
+_CITATION = """\
+In progress
+"""
+
+_VERSION = "1.0.0"
+_BASE_NAME = "{}-{}-parallel"
+_BASE_URL = "http://get.alayaran.com/hf/{}-{}-parallel.zip"
+
+_LANGUAGE_PAIRS = [
+    ("brx", "eng"),
+]
+
+
+class BodoDatasetConfig(datasets.BuilderConfig):
+    def __init__(self, *args, lang1=None, lang2=None, **kwargs):
+        super().__init__(
+            *args,
+            name=f"{lang1}-{lang2}",
+            **kwargs,
+        )
+        self.lang1 = lang1
+        self.lang2 = lang2
+
+
+class BodoDataset(datasets.GeneratorBasedBuilder):
+    BUILDER_CONFIGS = [
+        BodoDatasetConfig(
+            lang1=lang1,
+            lang2=lang2,
+            description=f"Translating {lang1} to {lang2} or vice versa",
+            version=datasets.Version(_VERSION),
+        )
+        for lang1, lang2 in _LANGUAGE_PAIRS
+    ]
+    BUILDER_CONFIG_CLASS = BodoDatasetConfig
+
+    def _info(self):
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=datasets.Features(
+                {
+                    "id": datasets.Value("string"),
+                    "translation": datasets.Translation(languages=(self.config.lang1, self.config.lang2)),
+                },
+            ),
+            supervised_keys=None,
+            homepage=_HOMEPAGE_URL,
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        def _base_url(lang1, lang2):
+            return _BASE_URL.format(lang1, lang2)
+
+        download_url = _base_url(self.config.lang1, self.config.lang2)
+        path = dl_manager.download_and_extract(download_url)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={"datapath": path},
+            )
+        ]
+
+    def _generate_examples(self, datapath):
+        l1, l2 = self.config.lang1, self.config.lang2
+        folder = l1 + "-" + l2
+        l1_file = _BASE_NAME.format(folder, l1)
+        l2_file = _BASE_NAME.format(folder, l2)
+        l1_path = os.path.join(datapath, l1_file)
+        l2_path = os.path.join(datapath, l2_file)
+        with open(l1_path, encoding="utf-8") as f1, open(l2_path, encoding="utf-8") as f2:
+            for sentence_counter, (x, y) in enumerate(zip(f1, f2)):
+                x = x.strip()
+                y = y.strip()
+                result = (
+                    sentence_counter,
+                    {
+                        "id": str(sentence_counter),
+                        "translation": {l1: x, l2: y},
+                    },
+                )
+                yield result