[Python-3000] PEP to change how the main module is delineated

Guido van Rossum guido at python.org
Tue Apr 24 00:05:38 CEST 2007

On 4/22/07, Brett Cannon <brett at python.org> wrote:
> This PEP is to change the ``if __name__ == "__main__": ...`` idiom to
> ``if __name__ == sys.main: ...``  so that you at least have a chance
> to execute module in a package that use relative imports.
> Ran this PEP past python-ideas.  Stopped the discussion there when too
> many new ideas were being proposed.  =)  I have listed all of them in
> the Rejected Ideas section, although if overwhelming support for one
> comes forward the PEP can shift to one of them.

I'm -1 on this and on any other proposed twiddlings of the __main__
machinery. The only use case seems to be running scripts that happen
to be living inside a module's directory, which I've always seen as an
antipattern. To make me change my mind you'd have to convince me that
it isn't.

--Guido van Rossum (home page: http://www.python.org/~guido/)

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