"""Python State Changes"""
from random import choice, shuffle
import datasets
import json


_DESCRIPTION = """\
Python state changes from a single line of code.
"""
_FEATURES = datasets.Features(
    {
        "start": datasets.Value("string"),
        "code": datasets.Value("string"),
        "end": datasets.Value("string"),
    }
)

_LICENSE = "MIT License"


class PythonStateChanges(datasets.GeneratorBasedBuilder):
    """Program Synthesis dataset from dreamcoder."""

    VERSION = datasets.Version("1.1.0")
    BUILDER_CONFIGS = [
        datasets.BuilderConfig(version=VERSION),
    ]
    DEFAULT_CONFIG_NAME = "default"

    def _info(self):
        return datasets.DatasetInfo(
            description=_DESCRIPTION,
            features=_FEATURES,
            supervised_keys=("start", "code", "end"),
            license=_LICENSE,
        )

    def _split_generators(self, dl_manager):
        return [
            datasets.SplitGenerator(
                name=datasets.Split.TRAIN
            ),
        ]

    def _generate_examples(self):
        with open('data.jsonl', 'r', encoding="utf-8") as f:
            for id_, line in enumerate(f):
                yield id_, json.loads(line)