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provider/pythonx: handle exit code 127 from pyenv

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This also checks the major/min version only for expected return codes.

With pyenv, you might get the following (return code 127):

    pyenv: python3.4: command not found

    The `python3.4' command exists in these Python versions:
      3.4.3
      3.4.3/envs/tmp-3.4.3-eElS6Y
      tmp-3.4.3-eElS6Y
This commit is contained in:
Daniel Hahler
2016-05-28 17:07:27 +02:00
parent 48e945e588
commit dab5d1368a
1 changed files with 12 additions and 7 deletions
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19
runtime/autoload/provider/pythonx.vim
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@@ -83,8 +83,8 @@ function! s:check_interpreter(prog, major_ver, skip) abort
" Try to load neovim module, and output Python version.
" Return codes:
" 0 Neovim module can be loaded.
" 1 Something else went wrong.
" 2 Neovim module cannot be loaded.
" Otherwise something else went wrong (e.g. 1 or 127).
let prog_ver = system([ a:prog , '-c' ,
\ 'import sys; ' .
\ 'sys.path.remove(""); ' .
@@ -93,7 +93,8 @@ function! s:check_interpreter(prog, major_ver, skip) abort
\ 'exit(2*int(pkgutil.get_loader("neovim") is None))'
\ ])
if prog_ver
if v:shell_error == 2 || v:shell_error == 0
" Check version only for expected return codes.
if prog_ver !~ '^' . a:major_ver
return [0, prog_path . ' is Python ' . prog_ver . ' and cannot provide Python '
\ . a:major_ver . '.']
@@ -103,12 +104,16 @@ function! s:check_interpreter(prog, major_ver, skip) abort
endif
endif
if v:shell_error == 1
return [0, 'Checking ' . prog_path . ' caused an unknown error. '
\ . 'Please report this at github.com/neovim/neovim.']
elseif v:shell_error == 2
return [0, prog_path . ' does have not have the neovim module installed. '
if v:shell_error == 2
return [0, prog_path . ' does not have the neovim module installed. '
\ . 'See ":help nvim-python".']
elseif v:shell_error == 127
" This can happen with pyenv's shims.
return [0, prog_path . ' does not exist: ' . prog_ver]
elseif v:shell_error
return [0, 'Checking ' . prog_path . ' caused an unknown error. '
\ . '(' . v:shell_error . ', output: ' . prog_ver . ')'
\ . ' Please report this at github.com/neovim/neovim.']
endif
return [1, '']