A Python module for managing flags across environment variables, commandline arguments, and configuration files
See requirements_test.txt for test dependencies
The package itself doesn't have any dependencies on third-party packages
pip install git+https://github.com/illinois-cs241/flagset
Create a FlagSet object
fset = FlagSet(
{
"debug": Flag(
bool,
default=False,
cmdline_name=["-d", "--debug"],
help="enable debug mode",
),
"token": Flag(
str,
required=True,
cmdline_name="--token",
help="access token",
),
"bind_addr": Flag(
str,
default="localhost:8080",
cmdline_name="--bind-addr",
env_name="BIND_ADDR",
help="web app bind address",
),
"mongodb_dsn": Flag(
str,
default="mongodb://localhost:27017",
config_name="some.path.in.the.config",
help="mongodb",
),
}
)
Then parse the given flags and config(args defaults to sys.argv[1:] and env defaults to os.environ)
config = fset.parse(args=[...], env={...}, ...)
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