Tobias Columbus wrote:
> On Tuesday 22 March 2011 13:40:19 you wrote:
> > Kearn Holliday reported that this Python command crashes some
> > versions
> >
> > of Vim:
> > :python help(dir)
> >
> > This is the stack I get in gdb:
>
> [...]
>
> I just had a look at what's going on there.
> :py help(dir) as well as other :py help("something that exists")
> all crash vim.
> I tracked the problem down to a call to
> type(sys.stdout)
> in the method pydoc.getpager(), which tries to determine what
> pager to use.
>
> Moreover,
> :py type(sys.stdout)
> also causes a SIGSEV.
>
> It seems to me that vim's sys.stdout has no well-defined python
> type and hence this call crashes.
>
> However, I do not know, how to fix this. An ad-hoc workaround is
> the following (working on any machine with less installed):
>
> :py import pydoc
> :py pydoc.pager = lambda text : pydoc.pipepager( text, 'less' )
> :py help(dir)
>
> This makes pydoc believe that pydoc.pager already was set by
> pydoc.getpager() and therefore the crashing pydoc.getpager() is
> not called anymore.
> The above code causes no SIGSEV, but vim seems to somewhat broken
> afterwards...At least it indicates that the problem really is
> where I claim it to be.
Getting the type of something should not crash. How do we fix this?
If we can't fix that, how do we make sys.stdout a proper object?
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