[Python-Dev] generators and with (original) (raw)
Duncan Booth duncan.booth at suttoncourtenay.org.uk
Sun May 13 18:47:17 CEST 2007
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"tomer filiba" <tomerfiliba at gmail.com> wrote in news:1d85506f0705130756j396a197bhf2f694d75ba06101 at mail.gmail.com:
why not add enter and exit to generator objects? it's really a trivial addition: enter returns self, exit calls close(). it would be used to ensure close() is called when the generator is disposed, instead of doing that manually. typical usage would be:
with mygenerator() as g: g.next() bar = g.send("foo")
You can already ensure that the close() method is called quite easily:
with contextlib.closing(mygenerator()) as g: g.next() bar = g.send("foo")
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