helper-scripts/dlaudio.py
2019-04-17 21:42:19 -07:00

76 lines
1.9 KiB
Python

#!/usr/bin/python3
"""Download audio using youtube-dl.
Dependencies:
=============
* youtube-dl
"""
import argparse
from pathlib import Path
import shutil
import subprocess
# =========== Constants ==========
YOUTUBE_DL_BIN = "/usr/bin/youtube-dl"
DEFAULT_FILENAME = f"{Path.home() / 'Music'}/%(title)s.%(ext)s"
DEFAULT_YOUTUBE_DL_OPTS = (
"--no-part",
"--audio-quality=0",
"--no-continue",
"--extract-audio",
)
# ----- Error Codes -----
E_NOURLS = 2
# ========== Functions ==========
def parse_cmdline_arguments(**kwargs):
"""Parse command line arguments passed to the script.
All kwargs are passed to ArgumentParser.parse_args().
:rtype: argparse.Namespace object
"""
parser = argparse.ArgumentParser()
parser.add_argument("-b", "--batchfile", help="provide the links from a text file")
parser.add_argument(
"-f", "--format", type=str, default="opus", help="the format to use"
)
parser.add_argument(
"-n", "--filename", type=str, help="downloaded filename (without extension)"
)
parser.add_argument("urls", nargs="*", help="video URLs")
return parser.parse_args()
# ========== Main Script ==========
if __name__ == "__main__":
args = parse_cmdline_arguments()
dl_opts = [
YOUTUBE_DL_BIN,
*DEFAULT_YOUTUBE_DL_OPTS,
f"--audio-format={args.format}",
]
# filename handling
# if -b is used, DEFAULT_FILENAME must take precedence
if args.filename is not None and args.batchfile is None:
dl_opts.append(f"--output={args.filename}")
else:
dl_opts.append(f"--output={DEFAULT_FILENAME}")
# URL handling
if args.batchfile is not None:
dl_opts.append(f"--batch-file={args.batchfile}")
elif args.urls is not None:
dl_opts.extend(args.urls)
else:
print("URLs are required")
exit(E_NOURLS)
subprocess.run(dl_opts)