[Python-ideas] A different kind of context manager

[Antony Lee]

You can get the desired behavior by (ab)using function decorators, by 
rewriting

with as_subprocess():
>
>     do_stuff()
>
as

@as_subprocess
def _():
   <do stuff>

Yes, it's not very elegant syntactically but gets the work done (and this 
technique is generalizable to most uses of Ruby-style blocks, I believe).

Antony
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