[Python-ideas] with-statement syntactic quirk

Antoine Pitrou solipsis at pitrou.net
Wed Oct 31 20:29:50 CET 2012

On Wed, 31 Oct 2012 11:38:53 +0100
Barry Warsaw <barry at python.org> wrote:
> with-statements have a syntactic quirk, which I think would be useful to fix.
> This is true in Python 2.7 through 3.3, but it's likely not fixable until 3.4,
> unless of course it's a bug <wink>.
> Legal:
> >>> with open('/etc/passwd') as p1, open('/etc/passwd') as p2: pass
> Not legal:
> >>> with (open('/etc/passwd') as p1, open('/etc/passwd') as p2): pass
> Why is this useful?  If you need to wrap this onto multiple lines, say to fit
> it within line length limits.  IWBNI you could write it like this:
>     with (open('/etc/passwd') as p1,
>           open('/etc/passwd') as p2):
>           pass

This bit me a couple of days ago.  +1 for supporting it.



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