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#!/usr/bin/env python
import click

import pandas as pd

import csv
import re


@click.group()
@click.option("--tf_output", "-to", default=None)
@click.pass_context
def group(ctx, tf_output):
    pass


@group.command()
@click.argument("src")
@click.pass_context
def ltsv2csv(ctx, src):
    """LTSV to CSV"""

    output = f"{src}.csv"

    def get_line_dict(line):
        return dict(re.search(r"^([^\:]+)\:(.*)$", i).groups() for i in line)

    with open(src) as f:
        data = pd.DataFrame(map(get_line_dict, csv.reader(f, delimiter="\t")))
        data.to_csv(output, index=False)


if __name__ == "__main__":
    group()