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bootstrap: verify that g:UltiSnipsUsePythonVersion is available

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Without this, UltiSnips will throw a lot of errors in case it's not
available.

This does not look at `g:UltiSnipsNoPythonWarning`, because it is not
auto-detected, but provided by the user's config.
This commit is contained in:
Daniel Hahler 2015-04-14 22:21:50 +02:00
parent 00848d7d64
commit ac42c83a70
1 changed files with 12 additions and 4 deletions
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16
autoload/UltiSnips/bootstrap.vim
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@ -20,10 +20,18 @@ function! UltiSnips#bootstrap#Bootstrap()
endif
let g:UltiSnipsUsePythonVersion = "<tab>"
else
if g:UltiSnipsUsePythonVersion == 2
let g:_uspy=":py "
else
let g:_uspy=":py3 "
" Use user-provided value, but check if it's available.
" This uses `has()`, because e.g. `exists(":python3")` is always 2.
if g:UltiSnipsUsePythonVersion == 2 && has('python')
let g:_uspy=":python "
elseif g:UltiSnipsUsePythonVersion == 3 && has('python3')
let g:_uspy=":python3 "
endif
if !exists('g:_uspy')
echohl WarningMsg
echom "UltiSnips: the Python version from g:UltiSnipsUsePythonVersion (".g:UltiSnipsUsePythonVersion.") is not available."
echohl None
return
endif
endif