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Improve error message when unable to load Python

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Check explicitely that Vim is compiled with Python support.
Attempt to load Python 3 before Python 2 since only one can be loaded at
a time on some platforms. Return an appropriate error if unable to load
both.
This commit is contained in:
micbou 2019-01-22 13:10:46 +01:00
parent 113787cc20
commit 616c2a2964
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GPG Key ID: C7E8FD1F3BDA1E05
1 changed files with 10 additions and 1 deletions
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plugin/youcompleteme.vim
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@ -54,13 +54,22 @@ elseif !has( 'timers' )
\ echohl None
call s:restore_cpo()
finish
elseif !has( 'python' ) && !has( 'python3' )
elseif !has( 'python_compiled' ) && !has( 'python3_compiled' )
echohl WarningMsg |
\ echomsg "YouCompleteMe unavailable: requires Vim compiled with " .
\ "Python (2.7.1+ or 3.4+) support." |
\ echohl None
call s:restore_cpo()
finish
" These calls try to load the Python 2 and Python 3 libraries when Vim is
" compiled dynamically against them. Since only one can be loaded at a time on
" some platforms, we first check if Python 3 is available.
elseif !has( 'python3' ) && !has( 'python' )
echohl WarningMsg |
\ echomsg "YouCompleteMe unavailable: unable to load Python." |
\ echohl None
call s:restore_cpo()
finish
elseif &encoding !~? 'utf-\?8'
echohl WarningMsg |
\ echomsg "YouCompleteMe unavailable: requires UTF-8 encoding. " .