In my vim plugin, I have two files:
myplugin/plugin.vim
myplugin/plugin_helpers.py
I would like to import plugin_helpers from plugin.vim (using the vim python support), so I believe I first need to put the directory of my plugin on python's sys.path.
How can I (in vimscript) get the path to the currently executing script? In python, this is __file__. In ruby, it's __FILE__. I couldn't find anything similar for vim by googling, can it be done?
Note: I am not looking for the currently edited file ("%:p" and friends).
" Relative path of script file:
let s:path = expand('<sfile>')
" Absolute path of script file:
let s:path = expand('<sfile>:p')
" Absolute path of script file with symbolic links resolved:
let s:path = resolve(expand('<sfile>:p'))
" Folder in which script resides: (not safe for symlinks)
let s:path = expand('<sfile>:p:h')
" If you're using a symlink to your script, but your resources are in
" the same directory as the actual script, you'll need to do this:
" 1: Get the absolute path of the script
" 2: Resolve all symbolic links
" 3: Get the folder of the resolved absolute file
let s:path = fnamemodify(resolve(expand('<sfile>:p')), ':h')
I use that last one often because my ~/.vimrc is a symbolic link to a script in a git repository.