2011/7/7 cjrh <[email protected]>

> On Jul 7, 1:27 pm, cjrh <[email protected]> wrote:
> > On further examination, it looks like leaking file descriptors is enough
> to
> > mark a library as "incompatible" (this happened with mercurial), so I
> have
> > changed web2py's to "incompatible" until we can fix all the leaks.
>
> I should also point out, to those not familiar with the background, is
> that the issue of file descriptors leaking is to some extent a PyPy
> issue, not a web2py issue!  cPython automatically closes file handles
> when their references go out of scope, which means that in cPython it
> is safe to omit closing a file handle explicitly near the end of
> functions, or short functions, etc.   cPython can do this because it
> uses a reference-counting approach to memory management, whereas PyPy
> implements a garbage collector, and requires (apparently) the file
> handle to be closed explicitly in order to collect the handle.   This
> is one of the published incompatibilities between cPython and PyPy.
>
> So: there are no "leaks" in web2py running on cPython, this is purely
> a compatibility issue with PyPy.


Thank you very much for the info.
Kind regards.

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