[issue15373] copy.copy() does not properly copy os.environment

[Raymond Hettinger]

Raymond Hettinger added the comment:

[Antoine]
> I agree with David that copy(os.environ) is rather ambiguous.
> I think the preferred idiom should be to call dict(os.environ).
> As for __copy__, I don't know what it should do: perhaps
> simply raise an error when copying is attempted?

FWIW, I concur with Antoine on every point.  Also, raising an error when copying seems reasonable ("refuse the temptation to guess" at what the user intended).

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nosy: +rhettinger

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15373>
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