[IPython-dev] Where should __future__ statements affect the interactive environment.

Aaron Meurer asmeurer@gmail....
Mon Apr 23 13:41:39 CDT 2012


I thought %run was more like executing the script from the command
line.  In other words, if you have

if __name__ == '__main__':
   blah

then blah will be run for %run (but it wouldn't in an import).

There are probably other invariants that hold in one situation but not
the other.

Aaron Meurer

On Mon, Apr 23, 2012 at 4:44 AM, Fernando Perez <fperez.net@gmail.com> wrote:
> On Mon, Apr 23, 2012 at 3:25 AM, Thomas Kluyver <takowl@gmail.com> wrote:
>> On the other hand, %run (without -i) works a bit like doing `from foo
>> import *`, in which case you don't get semantic changes from
>> __future__ statements in foo. I'm inclined to agree with you that I'd
>> expect __future__ statements in %run to affect the interactive
>> environment, but I don't think it's entirely clear cut.
>
> I was thinking more about what the more natural workflow would be,
> since we pitch %run more closely related to "run a script as if you
> had typed all that interactively" than "a shorthand for 'import *'".
> But you are right, one could think of it either way...
>
> f
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