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-rw-r--r--runtime/autoload/health/provider.vim131
-rw-r--r--runtime/autoload/provider/pythonx.vim54
2 files changed, 108 insertions, 77 deletions
diff --git a/runtime/autoload/health/provider.vim b/runtime/autoload/health/provider.vim
index 76eacf338d..8f364a2ace 100644
--- a/runtime/autoload/health/provider.vim
+++ b/runtime/autoload/health/provider.vim
@@ -258,71 +258,56 @@ function! s:check_python(version) abort
call health#report_start('Python ' . a:version . ' provider (optional)')
let pyname = 'python'.(a:version == 2 ? '' : '3')
- let pyenv = resolve(exepath('pyenv'))
- let pyenv_root = exists('$PYENV_ROOT') ? resolve($PYENV_ROOT) : ''
+ let python_exe = ''
let venv = exists('$VIRTUAL_ENV') ? resolve($VIRTUAL_ENV) : ''
let host_prog_var = pyname.'_host_prog'
let loaded_var = 'g:loaded_'.pyname.'_provider'
- let python_bin = ''
let python_multiple = []
if exists(loaded_var) && !exists('*provider#'.pyname.'#Call')
call health#report_info('Disabled ('.loaded_var.'='.eval(loaded_var).'). This might be due to some previous error.')
endif
- if !empty(pyenv)
- if empty(pyenv_root)
- call health#report_info(
- \ 'pyenv was found, but $PYENV_ROOT is not set. `pyenv root` will be used.'
- \ .' If you run into problems, try setting $PYENV_ROOT explicitly.'
- \ )
- let pyenv_root = s:trim(s:system([pyenv, 'root']))
- endif
-
- if !isdirectory(pyenv_root)
- call health#report_error('Invalid pyenv root: '.pyenv_root)
- else
- call health#report_info(printf('pyenv: %s', pyenv))
- call health#report_info(printf('pyenv root: %s', pyenv_root))
- endif
- endif
+ let [pyenv, pyenv_root] = s:check_for_pyenv()
if exists('g:'.host_prog_var)
call health#report_info(printf('Using: g:%s = "%s"', host_prog_var, get(g:, host_prog_var)))
endif
- let [pyname, pythonx_errs] = provider#pythonx#Detect(a:version)
+ let [pyname, pythonx_errors] = provider#pythonx#Detect(a:version)
+
if empty(pyname)
- call health#report_warn('No Python interpreter was found with the pynvim '
- \ . 'module. Using the first available for diagnostics.')
+ call health#report_warn('No Python executable found that can `import neovim`. '
+ \ . 'Using the first available executable for diagnostics.')
elseif exists('g:'.host_prog_var)
- let python_bin = pyname
+ let python_exe = pyname
endif
- if !empty(pythonx_errs)
- call health#report_error('Python provider error', pythonx_errs)
+ " No Python executable could `import neovim`.
+ if !empty(pythonx_errors)
+ call health#report_error('Python provider error:', pythonx_errors)
- elseif !empty(pyname) && empty(python_bin)
+ elseif !empty(pyname) && empty(python_exe)
if !exists('g:'.host_prog_var)
call health#report_info(printf('`g:%s` is not set. Searching for '
\ . '%s in the environment.', host_prog_var, pyname))
endif
if !empty(pyenv)
- let python_bin = s:trim(s:system([pyenv, 'which', pyname], '', 1))
+ let python_exe = s:trim(s:system([pyenv, 'which', pyname], '', 1))
- if empty(python_bin)
+ if empty(python_exe)
call health#report_warn(printf('pyenv could not find %s.', pyname))
endif
endif
- if empty(python_bin)
- let python_bin = exepath(pyname)
+ if empty(python_exe)
+ let python_exe = exepath(pyname)
if exists('$PATH')
for path in split($PATH, has('win32') ? ';' : ':')
let path_bin = s:normalize_path(path.'/'.pyname)
- if path_bin != s:normalize_path(python_bin)
+ if path_bin != s:normalize_path(python_exe)
\ && index(python_multiple, path_bin) == -1
\ && executable(path_bin)
call add(python_multiple, path_bin)
@@ -336,8 +321,8 @@ function! s:check_python(version) abort
\ . 'Set `g:%s` to avoid surprises.', pyname, host_prog_var))
endif
- if python_bin =~# '\<shims\>'
- call health#report_warn(printf('`%s` appears to be a pyenv shim.', python_bin), [
+ if python_exe =~# '\<shims\>'
+ call health#report_warn(printf('`%s` appears to be a pyenv shim.', python_exe), [
\ '`pyenv` is not in $PATH, your pyenv installation is broken. '
\ .'Set `g:'.host_prog_var.'` to avoid surprises.',
\ ])
@@ -346,9 +331,9 @@ function! s:check_python(version) abort
endif
endif
- if !empty(python_bin) && !exists('g:'.host_prog_var)
+ if !empty(python_exe) && !exists('g:'.host_prog_var)
if empty(venv) && !empty(pyenv)
- \ && !empty(pyenv_root) && resolve(python_bin) !~# '^'.pyenv_root.'/'
+ \ && !empty(pyenv_root) && resolve(python_exe) !~# '^'.pyenv_root.'/'
call health#report_warn('pyenv is not set up optimally.', [
\ printf('Create a virtualenv specifically '
\ . 'for Neovim using pyenv, and set `g:%s`. This will avoid '
@@ -362,7 +347,7 @@ function! s:check_python(version) abort
let venv_root = fnamemodify(venv, ':h')
endif
- if resolve(python_bin) !~# '^'.venv_root.'/'
+ if resolve(python_exe) !~# '^'.venv_root.'/'
call health#report_warn('Your virtualenv is not set up optimally.', [
\ printf('Create a virtualenv specifically '
\ . 'for Neovim and use `g:%s`. This will avoid '
@@ -373,16 +358,16 @@ function! s:check_python(version) abort
endif
endif
- if empty(python_bin) && !empty(pyname)
+ if empty(python_exe) && !empty(pyname)
" An error message should have already printed.
call health#report_error(printf('`%s` was not found.', pyname))
- elseif !empty(python_bin) && !s:check_bin(python_bin)
- let python_bin = ''
+ elseif !empty(python_exe) && !s:check_bin(python_exe)
+ let python_exe = ''
endif
" Check if $VIRTUAL_ENV is valid.
- if exists('$VIRTUAL_ENV') && !empty(python_bin)
- if $VIRTUAL_ENV ==# matchstr(python_bin, '^\V'.$VIRTUAL_ENV)
+ if exists('$VIRTUAL_ENV') && !empty(python_exe)
+ if $VIRTUAL_ENV ==# matchstr(python_exe, '^\V'.$VIRTUAL_ENV)
call health#report_info('$VIRTUAL_ENV matches executable')
else
call health#report_warn(
@@ -393,7 +378,7 @@ function! s:check_python(version) abort
endif
" Diagnostic output
- call health#report_info('Executable: ' . (empty(python_bin) ? 'Not found' : python_bin))
+ call health#report_info('Executable: ' . (empty(python_exe) ? 'Not found' : python_exe))
if len(python_multiple)
for path_bin in python_multiple
call health#report_info('Other python executable: ' . path_bin)
@@ -402,29 +387,37 @@ function! s:check_python(version) abort
let pip = 'pip' . (a:version == 2 ? '' : '3')
- if !empty(python_bin)
- let [pyversion, current, latest, status] = s:version_info(python_bin)
+ if empty(python_exe)
+ " No Python executable can import 'neovim'. Check if any Python executable
+ " can import 'pynvim'. If so, that Python failed to import 'neovim' as
+ " well, which is most probably due to a failed pip upgrade:
+ " https://github.com/neovim/neovim/wiki/Following-HEAD#20181118
+ let [pynvim_exe, errors] = provider#pythonx#DetectByModule('pynvim', a:version)
+ if !empty(pynvim_exe)
+ call health#report_error(
+ \ 'Detected pip upgrade failure: Python executable can import "pynvim" but '
+ \ . 'not "neovim": '. pynvim_exe,
+ \ "Use that Python version to reinstall \"pynvim\" and optionally \"neovim\".\n"
+ \ . pip ." uninstall pynvim neovim\n"
+ \ . pip ." install pynvim\n"
+ \ . pip ." install neovim # only if needed by third-party software")
+ endif
+ else
+ let [pyversion, current, latest, status] = s:version_info(python_exe)
+
if a:version != str2nr(pyversion)
call health#report_warn('Unexpected Python version.' .
\ ' This could lead to confusing error messages.')
endif
+
if a:version == 3 && str2float(pyversion) < 3.3
call health#report_warn('Python 3.3+ is recommended.')
endif
call health#report_info('Python version: ' . pyversion)
+
if s:is_bad_response(status)
call health#report_info(printf('pynvim version: %s (%s)', current, status))
- let [module_found, _msg] = provider#pythonx#CheckForModule(python_bin,
- \ 'pynvim', a:version)
- if status !=? '^outdated' && module_found
- " neovim module was not found, but pynvim was
- call health#report_error('Importing "neovim" failed.',
- \ "Reinstall \"pynvim\" and optionally \"neovim\" packages.\n" .
- \ pip ." uninstall pynvim neovim\n" .
- \ pip ." install pynvim\n" .
- \ pip ." install neovim # only if needed by third-party software")
- endif
else
call health#report_info(printf('pynvim version: %s', current))
endif
@@ -444,7 +437,37 @@ function! s:check_python(version) abort
call health#report_ok(printf('Latest pynvim is installed.'))
endif
endif
+endfunction
+
+" Check if pyenv is available and a valid pyenv root can be found, then return
+" their respective paths. If either of those is invalid, return two empty
+" strings, effectivly ignoring pyenv.
+function! s:check_for_pyenv() abort
+ let pyenv_path = resolve(exepath('pyenv'))
+
+ if empty(pyenv_path)
+ return ['', '']
+ endif
+
+ call health#report_info('pyenv: Path: '. pyenv_path)
+
+ let pyenv_root = exists('$PYENV_ROOT') ? resolve($PYENV_ROOT) : ''
+
+ if empty(pyenv_root)
+ let pyenv_root = s:trim(s:system([pyenv_path, 'root']))
+ call health#report_info('pyenv: $PYENV_ROOT is not set. Infer from `pyenv root`.')
+ endif
+
+ if !isdirectory(pyenv_root)
+ call health#report_warn(
+ \ printf('pyenv: Root does not exist: %s. '
+ \ . 'Ignoring pyenv for all following checks.', pyenv_root))
+ return ['', '']
+ endif
+
+ call health#report_info('pyenv: Root: '.pyenv_root)
+ return [pyenv_path, pyenv_root]
endfunction
function! s:check_ruby() abort
diff --git a/runtime/autoload/provider/pythonx.vim b/runtime/autoload/provider/pythonx.vim
index 05b04e7e2c..59b1c27b72 100644
--- a/runtime/autoload/provider/pythonx.vim
+++ b/runtime/autoload/provider/pythonx.vim
@@ -21,37 +21,45 @@ function! provider#pythonx#Require(host) abort
return provider#Poll(args, a:host.orig_name, '$NVIM_PYTHON_LOG_FILE')
endfunction
-function! provider#pythonx#Detect(major_ver) abort
- if a:major_ver == 2
- if exists('g:python_host_prog')
- return [expand(g:python_host_prog), '']
- else
- let progs = ['python2', 'python2.7', 'python2.6', 'python']
- endif
- else
- if exists('g:python3_host_prog')
- return [expand(g:python3_host_prog), '']
- else
- let progs = ['python3', 'python3.7', 'python3.6', 'python3.5',
- \ 'python3.4', 'python3.3', 'python']
- endif
+function! s:get_python_executable_from_host_var(major_version) abort
+ return expand(get(g:, 'python'.(a:major_version == 3 ? '3' : '').'_host_prog', ''))
+endfunction
+
+function! s:get_python_candidates(major_version) abort
+ return {
+ \ 2: ['python2', 'python2.7', 'python2.6', 'python'],
+ \ 3: ['python3', 'python3.7', 'python3.6', 'python3.5', 'python3.4', 'python3.3',
+ \ 'python']
+ \ }[a:major_version]
+endfunction
+
+" Returns [path_to_python_executable, error_message]
+function! provider#pythonx#Detect(major_version) abort
+ return provider#pythonx#DetectByModule('neovim', a:major_version)
+endfunction
+
+" Returns [path_to_python_executable, error_message]
+function! provider#pythonx#DetectByModule(module, major_version) abort
+ let python_exe = s:get_python_executable_from_host_var(a:major_version)
+
+ if !empty(python_exe)
+ return [python_exe, '']
endif
+ let candidates = s:get_python_candidates(a:major_version)
let errors = []
- for prog in progs
- let [result, err] = provider#pythonx#CheckForModule(prog, 'neovim', a:major_ver)
+ for exe in candidates
+ let [result, error] = provider#pythonx#CheckForModule(exe, a:module, a:major_version)
if result
- return [prog, err]
+ return [exe, error]
endif
- " Accumulate errors in case we don't find
- " any suitable Python interpreter.
- call add(errors, err)
+ " Accumulate errors in case we don't find any suitable Python executable.
+ call add(errors, error)
endfor
- " No suitable Python interpreter found.
- return ['', 'provider/pythonx: Could not load Python ' . a:major_ver
- \ . ":\n" . join(errors, "\n")]
+ " No suitable Python executable found.
+ return ['', 'provider/pythonx: Could not load Python '.a:major_version.":\n".join(errors, "\n")]
endfunction
" Returns array: [prog_exitcode, prog_version]