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from typing import TYPE_CHECKING
import click
if TYPE_CHECKING:
import cloup
FORMATTER_TYPE_ERROR = """
since Cloup v0.8, this class relies on `cloup.HelpFormatter` to align help
sections. So, you need to make sure your command class uses `cloup.HelpFormatter`
as formatter class.
If you have your own custom `HelpFormatter`, know that `cloup.HelpFormatter` is
more easily customizable then Click's one, so consider extending it instead
of extending `click.HelpFormatter`.
"""
def ensure_is_cloup_formatter(formatter: click.HelpFormatter) -> 'cloup.HelpFormatter':
from cloup import HelpFormatter
if isinstance(formatter, HelpFormatter):
return formatter
raise TypeError(FORMATTER_TYPE_ERROR)
def unstyled_len(string: str) -> int:
return len(click.unstyle(string))
|
