Xavier de Gaye wrote:
> On Wed, May 15, 2013 at 8:51 PM, Bram Moolenaar wrote:
> >> >":python os.chdir('/tmp')" makes short buffer names invalid. (Xavier de
> >> >Gaye)
> >> >Check directory and call shorten_fnames()?
> >>
> >> Probably not only the python problem.
> >
> > I wonder if there is a hook inside Python, so that we can do the
> > equivalent of ":cd" in Vim, handling the side effects.
>
>
> Indeed, a hook to chdir can be made with the following code in
> a module named vim_hook:
>
> ########### vim_hook.py ###########
> import vim
> import os
>
> _chdir = os.chdir
>
> def chdir(path):
> _chdir(path)
> vim.command("cd " + path)
>
> os.chdir = chdir
> ###########
>
> This module is imported on vim startup with:
>
> PyRun_SimpleString("import vim_hook");
>
>
> To test that this fixes os.chdir, run the following commands after
> having copied the above vim_hook.py file in the current directory:
>
> :py3 import sys; sys.path[:1] = ['.']; import vim_hook
> :py3 import os; os.chdir("/tmp")
OK, but we want this to work without any commands being used in a
script. It should be done when initalizing Python.
> Note that we must add the current directory to sys.path in order to be
> able to import vim_hook. I believe this is another bug.
--
The Law of VIM:
For each member b of the possible behaviour space B of program P, there exists
a finite time t before which at least one user u in the total user space U of
program P will request b becomes a member of the allowed behaviour space B'
(B' <= B).
In other words: Sooner or later everyone wants everything as an option.
-- Vince Negri
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
--
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