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[FEATURE] Literal type support
See original GitHub issueSupport for the literal type (python 3.8 or via typing_extensions) would be nice. Eg.
def get_list(output: Literal["raw", "json", "yaml"] = "raw"):
if output == "json":
typer.echo(json.dumps([1, 2, 3]))
The only workarounds (using string or multiple bool flags + validating input) are ugly now.
Issue Analytics
- State:
- Created 3 years ago
- Reactions:9
- Comments:10 (2 by maintainers)
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I don’t get why this is closed. Does this mean you won’t be adding support for
typing.Literal? Or did the bot mess up?While things could be rewritten as an enum, it does not play nice with existing typed code which uses typing.Literal to define a set of allowed values. I hope we can revisit this.