On Fri, May 17, 2013 at 5:44 PM, Xavier de Gaye wrote:
> On Fri, May 17, 2013 at 3:28 PM, Bram Moolenaar wrote:
>>
>> 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.
>
> This is what I meant.
>
> The attached patch does this.
Maybe we should use:
vim.command('silent cd! ' + path)
instead of:
vim.command('cd! ' + path)
--
Xavier
Les Chemins de Lokoti: http://lokoti.alwaysdata.net
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