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bemaniutils/bemani/utils/twodxutils.py

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Python
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import argparse
import os
from bemani.format import TwoDX
def main() -> None:
parser = argparse.ArgumentParser(
description="A utility to extract/build 2dx files."
)
parser.add_argument(
"file",
help="2dx file to extract/build.",
type=str,
)
parser.add_argument(
"-d",
"--directory",
help="Directory to extract to. Specify this parameter if you want to extract an existing 2dx file.",
default=None,
)
parser.add_argument(
"-w",
"--wavfile",
help=(
"ADPCM wave file to add to a new or existing archive. Specify this parameter to update an "
"existing 2dx file with a new wav file or build a new archive containing a particular wav file. "
"Note that you can specify this parameter multiple times to bundle multiple wav files into one "
"archive."
),
action="append",
default=[],
)
parser.add_argument(
"-n",
"--name",
help="Name of the archive when creating a new 2dx file from scratch.",
default=None,
)
args = parser.parse_args()
if args.directory is not None:
root = args.directory
if root[-1] != "/":
root = root + "/"
root = os.path.realpath(root)
rfp = open(args.file, "rb")
data = rfp.read()
rfp.close()
twodx = TwoDX(data)
for fn in twodx.filenames:
print(f"Extracting {fn} to disk...")
realfn = os.path.join(root, fn)
dirof = os.path.dirname(realfn)
os.makedirs(dirof, exist_ok=True)
with open(realfn, "wb") as wfp:
wfp.write(twodx.read_file(fn))
elif len(args.wavfile) > 0:
try:
rfp = open(args.file, "rb")
data = rfp.read()
rfp.close()
twodx = TwoDX(data)
except FileNotFoundError:
twodx = TwoDX()
if args.name is not None:
twodx.set_name(args.name)
else:
twodx.set_name(os.path.splitext(os.path.basename(args.file))[0])
for fn in args.wavfile:
rfp = open(fn, "rb")
data = rfp.read()
rfp.close()
twodx.write_file(os.path.basename(fn), data)
wfp = open(args.file, "wb")
wfp.write(twodx.get_new_data())
wfp.close()
else:
raise Exception(
"Please provide either a directory to extract to, or a wav file to build into a 2dx file!"
)
if __name__ == "__main__":
main()