[Python-Dev] Resource leaks warnings (original) (raw)

Barry Warsaw barry at python.org
Wed Sep 29 15:40:54 CEST 2010

On Sep 29, 2010, at 11:11 PM, Steven D'Aprano wrote:

On Wed, 29 Sep 2010 10:42:27 pm Antoine Pitrou wrote:

My assumption is/was that the benefit of warning against leaks in real applications (or even - sigh - the standard library) would outweigh the inconvenience when hacking together a quick script.

But if it doesn't, what about enabling it with a command-line switch? I think the ability to detect such file descriptor leaks would be valuable, but I'm not sure that it should be running all the time. At the risk of bike-shedding, is it something which could be controlled at runtime, like garbage collection? E.g. something like: gc.enablefilewarnings() runmytestsforleakage() gc.disablefilewarnings() or similar. (I'm not wedded to it being in the gc module.)

I don't think it should be in the gc module, but I would prefer it be enabled and controlled through a separate module, rather than something Python does automatically for your convenience.

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