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From: Ian Kelly <ian.g.kelly@gmail.com>
Newsgroups: comp.lang.python
Subject: Re: context managers inline?
Date: Thu, 10 Mar 2016 12:19:19 -0700
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On Thu, Mar 10, 2016 at 11:59 AM, Neal Becker <ndbecker2@gmail.com> wrote:
> sohcahtoa82@gmail.com wrote:
>
>> On Thursday, March 10, 2016 at 10:33:47 AM UTC-8, Neal Becker wrote:
>>> Is there a way to ensure resource cleanup with a construct such as:
>>>
>>> x = load (open ('my file', 'rb))
>>>
>>> Is there a way to ensure this file gets closed?
>>
>> with open('my file', 'rb') as f:
>>     x = load(f)
>
> But not in a 1-line, composable manner?

def with_(ctx, func):
    with ctx as value:
        return func(value)

x = with_(open('my file', 'rb'), load)


Seems less readable to me, though.