Larry Hudson wrote:
> I have been reading the argparse section of the 3.3 docs, and running all
> the example code.
>
> But in section 16.4.2.6. for the formatter_class, the second example in
> that section illustrating RawDescriptionHelpFormatter, the example code
> is:
>
> parser = argparse.ArgumentParser(
> prog='PROG',
> formatter_class=argparse.RawDescriptionHelpFormatter,
> description=textwrap.dedent('''\
> Please do not mess up this text!
> --------------------------------
> I have indented it
> exactly the way
> I want it
> '''))
> parser.print_help()
>
> But trying to run this gives a NameError on the "description=" line,
> saying textwrap is not
> defined. If I delete the "textwrap.dedent" (with or without also deleting
> the extra parentheses) it will then run, but without the un-indenting it
> is trying to illustrate.
>
> What is the proper way to enable the dedent() method here?
textwrap is a module like argparse, and the example doesn't show
import argparse
either. Insert
import textwrap
at the beginning of your module and the code should run without error.
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