def dumpButlerConfig(root, searchPath=None, subset=None, outfh=sys.stdout):
"""Dump a config or subset to the specified file handle.
Parameters
----------
root : `str`
Location of butler configuration. Can be a path to a YAML
file or a directory containing the configuration file.
searchPath : `list` of `str`
Directory paths for resolving the locations of configuration
file lookups.
subset : `str` or `tuple` of `str`
Key into a subset of the configuration. If a string it should use
the standard notation of supplying the relevant delimiter in the
first character.
outfh
File descriptor to use to write the configuration content.
"""
config = ButlerConfig(root, searchPaths=searchPath)
if subset is not None:
config = config[subset]
try:
config.dump(outfh)
except AttributeError:
print(config, file=outfh)
default=None,
type=str,
help="Subset of a configuration to report. This can be any key in the"
" hierarchy such as '.datastore.root' where the leading '.' specified"
" the delimiter for the hierarchy.")
parser.add_argument(
"--searchpath",
"-p",
action="append",
type=str,
help="Additional search paths to use for configuration overrides")
parser.add_argument("--verbose",
"-v",
action="store_true",
help="Turn on debug reporting.")
args = parser.parse_args()
if args.verbose:
logging.basicConfig(level=logging.DEBUG)
config = ButlerConfig(args.root, searchPaths=args.searchpath)
if args.subset is not None:
config = config[args.subset]
try:
config.dump(sys.stdout)
except AttributeError:
print(config)