paul j3 added the comment:
An alternative to passing a Formatter instance to the parser is to use a
wrapper function. `HelpFormatter.__init__` takes several keyword args.
'_get_formatter' does not use those. However we could define:
def format_wrapper(**kwargs):
# class 'factory' used to give extra parameters
def fnc(prog):
cls = argparse.HelpFormatter
return cls(prog, **kwargs)
return fnc
and use that to set the 'width' of the formatter object.
parser = argparse.ArgumentParser( formatter_class =
format_wrapper(width=40))
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<http://bugs.python.org/issue12806>
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