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"""An example application using Confuse for configuration."""
import confuse
import argparse
template = {
'library': confuse.Filename(),
'import_write': confuse.OneOf([bool, 'ask', 'skip']),
'ignore': confuse.StrSeq(),
'plugins': list,
'paths': {
'directory': confuse.Filename(),
'default': confuse.Filename(relative_to='directory'),
},
'servers': confuse.Sequence(
{
'hostname': str,
'options': confuse.StrSeq(),
}
)
}
config = confuse.LazyConfig('ConfuseExample', __name__)
def main():
parser = argparse.ArgumentParser(description='example Confuse program')
parser.add_argument('--library', '-l', dest='library', metavar='LIBPATH',
help='library database file')
parser.add_argument('--directory', '-d', dest='paths.directory',
metavar='DIRECTORY',
help='destination music directory')
parser.add_argument('--verbose', '-v', dest='verbose', action='store_true',
help='print debugging messages')
args = parser.parse_args()
config.set_args(args, dots=True)
print('configuration directory is', config.config_dir())
# Use a boolean flag and the transient overlay.
if config['verbose']:
print('verbose mode')
config['log']['level'] = 2
else:
config['log']['level'] = 0
print('logging level is', config['log']['level'].get(int))
valid = config.get(template)
# Some validated/converted values.
print('library is', valid.library)
print('directory is', valid.paths.directory)
print('paths.default is', valid.paths.default)
print('servers are', [s.hostname for s in valid.servers])
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