Run the uuid command line interface.
()
| 932 | |
| 933 | |
| 934 | def main(): |
| 935 | """Run the uuid command line interface.""" |
| 936 | uuid_funcs = { |
| 937 | "uuid1": uuid1, |
| 938 | "uuid3": uuid3, |
| 939 | "uuid4": uuid4, |
| 940 | "uuid5": uuid5, |
| 941 | "uuid6": uuid6, |
| 942 | "uuid7": uuid7, |
| 943 | "uuid8": uuid8, |
| 944 | } |
| 945 | uuid_namespace_funcs = ("uuid3", "uuid5") |
| 946 | namespaces = { |
| 947 | "@dns": NAMESPACE_DNS, |
| 948 | "@url": NAMESPACE_URL, |
| 949 | "@oid": NAMESPACE_OID, |
| 950 | "@x500": NAMESPACE_X500 |
| 951 | } |
| 952 | |
| 953 | import argparse |
| 954 | parser = argparse.ArgumentParser( |
| 955 | formatter_class=argparse.ArgumentDefaultsHelpFormatter, |
| 956 | description="Generate a UUID using the selected UUID function.", |
| 957 | color=True, |
| 958 | ) |
| 959 | parser.add_argument("-u", "--uuid", |
| 960 | choices=uuid_funcs.keys(), |
| 961 | default="uuid4", |
| 962 | help="function to generate the UUID") |
| 963 | parser.add_argument("-n", "--namespace", |
| 964 | choices=["any UUID", *namespaces.keys()], |
| 965 | help="uuid3/uuid5 only: " |
| 966 | "a UUID, or a well-known predefined UUID addressed " |
| 967 | "by namespace name") |
| 968 | parser.add_argument("-N", "--name", |
| 969 | help="uuid3/uuid5 only: " |
| 970 | "name used as part of generating the UUID") |
| 971 | parser.add_argument("-C", "--count", metavar="NUM", type=int, default=1, |
| 972 | help="generate NUM fresh UUIDs") |
| 973 | |
| 974 | args = parser.parse_args() |
| 975 | uuid_func = uuid_funcs[args.uuid] |
| 976 | namespace = args.namespace |
| 977 | name = args.name |
| 978 | |
| 979 | if args.uuid in uuid_namespace_funcs: |
| 980 | if not namespace or not name: |
| 981 | parser.error( |
| 982 | "Incorrect number of arguments. " |
| 983 | f"{args.uuid} requires a namespace and a name. " |
| 984 | "Run 'python -m uuid -h' for more information." |
| 985 | ) |
| 986 | namespace = namespaces[namespace] if namespace in namespaces else UUID(namespace) |
| 987 | for _ in range(args.count): |
| 988 | print(uuid_func(namespace, name)) |
| 989 | else: |
| 990 | for _ in range(args.count): |
| 991 | print(uuid_func()) |
no test coverage detected