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"""A wine-ratings dataset"""
import csv
import datasets
_CITATION = """\
@InProceedings{huggingface:dataset,
title = {A wine ratings dataset from regions around the world},
author={Alfredo Deza
},
year={2022}
}
"""
_DESCRIPTION = """\
This is a dataset for wines in various regions around the world with names, regions, ratings and descriptions
"""
_HOMEPAGE = "https://github.com/paiml/wine-ratings"
_LICENSE = "MIT"
class WineRatings(datasets.GeneratorBasedBuilder):
VERSION = datasets.Version("0.0.1")
def _info(self):
features = datasets.Features(
{
"name": datasets.Value("string"),
"region": datasets.Value("string"),
"variety": datasets.Value("string"),
"rating": datasets.Value("float"),
"notes": datasets.Value("string"),
}
)
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=features,
homepage=_HOMEPAGE,
license=_LICENSE,
citation=_CITATION,
)
def _split_generators(self, dl_manager):
return [
datasets.SplitGenerator(
name=datasets.Split.TRAIN,
gen_kwargs={
"filepath": "train.csv",
"split": "train",
},
),
datasets.SplitGenerator(
name=datasets.Split.VALIDATION,
gen_kwargs={
"filepath": "validation.csv",
"split": "validation",
},
),
datasets.SplitGenerator(
name=datasets.Split.TEST,
gen_kwargs={
"filepath": "test.csv",
"split": "test"
},
),
]
# method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
def _generate_examples(self, filepath, split):
with open(filepath, encoding="utf-8") as f:
csv_reader = csv.reader(f, delimiter=",")
next(csv_reader)
for id_, row in enumerate(csv_reader):
yield id_, {
"name": row[0],
"region": row[1],
"variety": row[2],
"rating": row[3],
"notes": row[4],
}
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