On 12 Aug 2014 09:09, "Allen Li" <[email protected]> wrote: > > This is a problem I sometimes run into when working with a lot of files > simultaneously, where I need three or more `with` statements: > > with open('foo') as foo: > with open('bar') as bar: > with open('baz') as baz: > pass > > Thankfully, support for multiple items was added in 3.1: > > with open('foo') as foo, open('bar') as bar, open('baz') as baz: > pass > > However, this begs the need for a multiline form, especially when > working with three or more items: > > with open('foo') as foo, \ > open('bar') as bar, \ > open('baz') as baz, \ > open('spam') as spam \ > open('eggs') as eggs: > pass
I generally see this kind of construct as a sign that refactoring is needed. For example, contextlib.ExitStack offers a number of ways to manage multiple context managers dynamically rather than statically. Regards, Nick.
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