def main(args=None):
"""Main function: run from command line."""
if args is None:
args = sys.argv
if len(args) < 4:
LOGGER.error("Invalid number of arguments.")
LOGGER.error("Usage: %s", _usage())
sys.exit(1)
source = args[1]
dest = args[2]
song_files = args[3:]
renderers = files.load_plugins(
datadirs=DEFAULT_CONFIG.get('datadir', []),
root_modules=['songs'],
keyword='SONG_RENDERERS',
)
if dest not in renderers:
LOGGER.error(
"Unknown destination file format '%s'. Available ones are %s.",
source,
", ".join(["'{}'".format(key) for key in renderers.keys()])
)
sys.exit(1)
if source not in renderers[dest]:
LOGGER.error(
"Unknown source file format '%s'. Available ones are %s.",
source,
", ".join(["'{}'".format(key) for key in renderers[dest].keys()])
)
sys.exit(1)
for file in song_files:
try:
song = renderers[dest][source](file, DEFAULT_CONFIG)
destname = "{}.{}".format(".".join(file.split(".")[:-1]), dest)
if os.path.exists(destname):
if not confirm(destname):
continue
with open(destname, "w") as destfile:
destfile.write(song.render())
except ContentError:
LOGGER.error("Cannot parse file '%s'.", file)
sys.exit(1)
except NotImplementedError:
LOGGER.error("Cannot convert to format '%s'.", dest)
sys.exit(1)
except KeyboardInterrupt:
print()
LOGGER.info("Aborted by user.")
sys.exit(0)
sys.exit(0)
