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provider/python: refactoring

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Marco Hinz 2018-11-18 15:46:55 +01:00
parent e53ae88e7e
commit 443cd04d5b
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1 changed files with 27 additions and 21 deletions
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48
runtime/autoload/provider/pythonx.vim
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@ -54,46 +54,52 @@ function! provider#pythonx#Detect(major_ver) abort
\ . ":\n" . join(errors, "\n")]
endfunction
function! s:check_interpreter(prog, major_ver) abort
" Returns array: [interpreter_exitcode, interpreter_version]
function! s:check_for_package(prog, package) abort
let prog_version = system([a:prog, '-c' , printf(
\ 'import sys; ' .
\ 'sys.path.remove(""); ' .
\ 'sys.stdout.write(str(sys.version_info[0]) + "." + str(sys.version_info[1])); ' .
\ 'import pkgutil; ' .
\ 'exit(2*int(pkgutil.get_loader("%s") is None))',
\ a:package)])
return [v:shell_error, prog_version]
endfunction
function! s:check_interpreter(prog, major_version) abort
let prog_path = exepath(a:prog)
if prog_path ==# ''
return [0, a:prog . ' not found in search path or not executable.']
endif
let min_version = (a:major_ver == 2) ? '2.6' : '3.3'
let min_version = (a:major_version == 2) ? '2.6' : '3.3'
" Try to load pynvim module, and output Python version.
" Return codes:
" Exit codes:
" 0 pynvim module can be loaded.
" 2 pynvim 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(""); ' .
\ 'sys.stdout.write(str(sys.version_info[0]) + "." + str(sys.version_info[1])); ' .
\ 'import pkgutil; ' .
\ 'exit(2*int(pkgutil.get_loader("pynvim") is None))'
\ ])
let [prog_exitcode, prog_version] = s:check_for_package(a:prog, 'pynvim')
if v:shell_error == 2 || v:shell_error == 0
if prog_exitcode == 2 || prog_exitcode == 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 . '.']
elseif prog_ver =~ '^' . a:major_ver && prog_ver < min_version
return [0, prog_path . ' is Python ' . prog_ver . ' and cannot provide Python >= '
if prog_version !~ '^' . a:major_version
return [0, prog_path . ' is Python ' . prog_version . ' and cannot provide Python '
\ . a:major_version . '.']
elseif prog_version =~ '^' . a:major_version && prog_version < min_version
return [0, prog_path . ' is Python ' . prog_version . ' and cannot provide Python >= '
\ . min_version . '.']
endif
endif
if v:shell_error == 2
if prog_exitcode == 2
return [0, prog_path.' does not have the "pynvim" module. :help provider-python']
elseif v:shell_error == 127
elseif prog_exitcode == 127
" This can happen with pyenv's shims.
return [0, prog_path . ' does not exist: ' . prog_ver]
elseif v:shell_error
return [0, prog_path . ' does not exist: ' . prog_version]
elseif prog_exitcode
return [0, 'Checking ' . prog_path . ' caused an unknown error. '
\ . '(' . v:shell_error . ', output: ' . prog_ver . ')'
\ . '(' . prog_exitcode . ', output: ' . prog_version . ')'
\ . ' Report this at https://github.com/neovim/neovim']
endif