Cloup

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Cloup (= Click + groups) contains a set of Click extensions that enable you to:

• define option groups with a clean API;
• define constraints, including conditional constraints, on any group of parameters (e.g. mutually_exclusive, RequireAtLeast(1) etc.);
• (optionally) show an auto-generated description of defined constraints in the command help;
• organize the subcommands of a MultiCommand in multiple help sections.

These features are implemented in three mixins following the same pattern of click-contrib extensions. For ease of use, Cloup also provides:

• its own versions of Click commands, obtained by mixing Click classes with the mixins mentioned above;
• it own versions of Click decorators, for creating such commands.

Documentation

Read more at https://cloup.readthedocs.io/en/stable/usage.html