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Prefer Python 3 over Python 2

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When both versions are available, we prefer Python 3 over Python 2:
 - faster startup (no monkey-patching from python-future);
 - better Windows support (e.g. temporary paths are not returned in all
   lowercase);
 - Python 2 support will eventually be dropped.
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micbou 2016-10-24 04:41:36 +02:00
parent 0cc761fe00
commit b3e6bad6b1
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1 changed files with 13 additions and 10 deletions
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autoload/youcompleteme.vim
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@ -28,26 +28,29 @@ let s:cursor_moved = 0
let s:previous_allowed_buffer_number = 0
function! s:UsingPython2()
" I'm willing to bet quite a bit that sooner or later, somebody will ask us to
" make it configurable which version of Python we use.
if has('python')
" When both versions are available, we prefer Python 3 over Python 2:
" - faster startup (no monkey-patching from python-future);
" - better Windows support (e.g. temporary paths are not returned in all
" lowercase);
" - Python 2 support will eventually be dropped.
function! s:UsingPython3()
if has('python3')
return 1
endif
return 0
endfunction
let s:using_python2 = s:UsingPython2()
let s:python_until_eof = s:using_python2 ? "python << EOF" : "python3 << EOF"
let s:python_command = s:using_python2 ? "py " : "py3 "
let s:using_python3 = s:UsingPython3()
let s:python_until_eof = s:using_python3 ? "python3 << EOF" : "python << EOF"
let s:python_command = s:using_python3 ? "py3 " : "py "
function! s:Pyeval( eval_string )
if s:using_python2
return pyeval( a:eval_string )
if s:using_python3
return py3eval( a:eval_string )
endif
return py3eval( a:eval_string )
return pyeval( a:eval_string )
endfunction