Luca <[email protected]> added the comment:
For the benefit of other developers willing to control text width with
`argparse`, using the lambda function let `mypy` fail with the following error:
541: error: Argument "formatter_class" to "ArgumentParser" has incompatible
type "Callable[[Any], RawDescriptionHelpFormatter]"; expected
"Type[HelpFormatter]"
So I am reverting back to the following custom formatting class:
class
RawDescriptionHelpFormatterMaxTextWidth80(argparse.RawDescriptionHelpFormatter):
"""Set maximum text width = 80."""
def __init__(self, prog):
width = min(80, shutil.get_terminal_size().columns - 2)
argparse.RawDescriptionHelpFormatter.__init__(self, prog,
width=width)
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Python tracker <[email protected]>
<https://bugs.python.org/issue39809>
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