download-pokemon-cry.py

#!/usr/bin/env python3

import os
import subprocess
import tempfile

import click

DOWNLOAD_DIR = "{}/Downloads".format(os.environ['HOME'])
VEEKUN_CRY_URL = "https://veekun.com/dex/media/pokemon/cries/{}.ogg"


@click.command()
@click.argument('mon_number')
@click.argument('mon_name')
def download_cry(mon_number, mon_name):

    download_to = tempfile.NamedTemporaryFile(suffix=".m4a")
    download = subprocess.check_output(["wget",
                                        "--verbose",
                                        "--output-document=-",
                                        VEEKUN_CRY_URL.format(mon_number)])

    subprocess.run(["ffmpeg",
                    "-loglevel", "verbose",
                    "-i", "-",
                    "-c:a", "libfaac",
                    "-vn",
                    "-y",
                    "-t", "8",
                    download_to.name],
                   input=download,
                   check=True)

    # If we try to name it .m4r to start with, FFMPEG gets over-eager and tries
    # to figure out how to output an M4R file, then gets sad when it doesn't
    # know how to do that. So we have to rename it by hand.
    subprocess.run(["cp",
                    download_to.name,
                    "{}/{}-cry.m4r".format(DOWNLOAD_DIR, mon_name)])


if __name__ == '__main__':
    download_cry()