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https://github.com/neovim/neovim.git
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refactor: rewrite virtualenv healthcheck in lua
This is required to remove the vimscript checkhealth functions.
This commit is contained in:
dundargoc
GitHub
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3c724fe1f3
commit
5ed7ede1f5
@ -90,79 +90,6 @@ function! s:disabled_via_loaded_var(provider) abort
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return 0
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endfunction
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" Resolves Python executable path by invoking and checking `sys.executable`.
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function! s:python_exepath(invocation) abort
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return s:normalize_path(system(fnameescape(a:invocation)
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\ . ' -c "import sys; sys.stdout.write(sys.executable)"'))
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endfunction
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" Checks that $VIRTUAL_ENV Python executables are found at front of $PATH in
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" Nvim and subshells.
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function! s:check_virtualenv() abort
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call health#report_start('Python virtualenv')
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if !exists('$VIRTUAL_ENV')
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call health#report_ok('no $VIRTUAL_ENV')
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return
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endif
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let errors = []
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" Keep hints as dict keys in order to discard duplicates.
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let hints = {}
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" The virtualenv should contain some Python executables, and those
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" executables should be first both on Nvim's $PATH and the $PATH of
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" subshells launched from Nvim.
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let bin_dir = has('win32') ? '/Scripts' : '/bin'
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let venv_bins = glob($VIRTUAL_ENV . bin_dir . '/python*', v:true, v:true)
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" XXX: Remove irrelevant executables found in bin/.
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let venv_bins = filter(venv_bins, 'v:val !~# "python-config"')
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if len(venv_bins)
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for venv_bin in venv_bins
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let venv_bin = s:normalize_path(venv_bin)
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let py_bin_basename = fnamemodify(venv_bin, ':t')
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let nvim_py_bin = s:python_exepath(exepath(py_bin_basename))
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let subshell_py_bin = s:python_exepath(py_bin_basename)
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if venv_bin !=# nvim_py_bin
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call add(errors, '$PATH yields this '.py_bin_basename.' executable: '.nvim_py_bin)
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let hint = '$PATH ambiguities arise if the virtualenv is not '
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\.'properly activated prior to launching Nvim. Close Nvim, activate the virtualenv, '
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\.'check that invoking Python from the command line launches the correct one, '
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\.'then relaunch Nvim.'
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let hints[hint] = v:true
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endif
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if venv_bin !=# subshell_py_bin
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call add(errors, '$PATH in subshells yields this '
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\.py_bin_basename . ' executable: '.subshell_py_bin)
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let hint = '$PATH ambiguities in subshells typically are '
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\.'caused by your shell config overriding the $PATH previously set by the '
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\.'virtualenv. Either prevent them from doing so, or use this workaround: '
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\.'https://vi.stackexchange.com/a/34996'
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let hints[hint] = v:true
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endif
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endfor
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else
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call add(errors, 'no Python executables found in the virtualenv '.bin_dir.' directory.')
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endif
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let msg = '$VIRTUAL_ENV is set to: '.$VIRTUAL_ENV
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if len(errors)
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if len(venv_bins)
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let msg .= "\nAnd its ".bin_dir.' directory contains: '
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\.join(map(venv_bins, "fnamemodify(v:val, ':t')"), ', ')
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endif
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let conj = "\nBut "
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for error in errors
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let msg .= conj.error
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let conj = "\nAnd "
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endfor
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let msg .= "\nSo invoking Python may lead to unexpected results."
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call health#report_warn(msg, keys(hints))
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else
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call health#report_info(msg)
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call health#report_info('Python version: '
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\.system('python -c "import platform, sys; sys.stdout.write(platform.python_version())"'))
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call health#report_ok('$VIRTUAL_ENV provides :!python.')
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endif
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endfunction
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function! s:check_ruby() abort
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call health#report_start('Ruby provider (optional)')
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@ -372,7 +299,6 @@ function! s:check_perl() abort
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endfunction
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function! health#provider2#check() abort
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call s:check_virtualenv()
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call s:check_ruby()
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call s:check_node()
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call s:check_perl()
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@ -489,7 +489,7 @@ local function python()
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if not is_blank(pyenv_root) then
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venv_root = pyenv_root
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else
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venv_root = vim.fs.basename(venv)
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venv_root = vim.fs.dirname(venv)
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end
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if vim.startswith(vim.fn.resolve(python_exe), venv_root .. '/') then
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@ -571,9 +571,96 @@ local function python()
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end
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end
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-- Resolves Python executable path by invoking and checking `sys.executable`.
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local function python_exepath(invocation)
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return vim.fs.normalize(
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system(vim.fn.fnameescape(invocation) .. ' -c "import sys; sys.stdout.write(sys.executable)"')
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)
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end
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-- Checks that $VIRTUAL_ENV Python executables are found at front of $PATH in
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-- Nvim and subshells.
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local function virtualenv()
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start('Python virtualenv')
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if not os.getenv('VIRTUAL_ENV') then
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ok('no $VIRTUAL_ENV')
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return
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end
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local errors = {}
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-- Keep hints as dict keys in order to discard duplicates.
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local hints = {}
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-- The virtualenv should contain some Python executables, and those
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-- executables should be first both on Nvim's $PATH and the $PATH of
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-- subshells launched from Nvim.
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local bin_dir = (iswin and '/Scripts' or '/bin')
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local venv_bins = vim.fn.glob(os.getenv('VIRTUAL_ENV') .. bin_dir .. '/python*', true, true)
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-- XXX: Remove irrelevant executables found in bin/.
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venv_bins = vim.fn.filter(venv_bins, 'v:val !~# "python-config"')
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if vim.tbl_coun(venv_bins) > 0 then
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for _, venv_bin in pairs(venv_bins) do
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venv_bin = vim.fs.normalize(venv_bin)
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local py_bin_basename = vim.fs.basename(venv_bin)
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local nvim_py_bin = python_exepath(vim.fn.exepath(py_bin_basename))
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local subshell_py_bin = python_exepath(py_bin_basename)
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if venv_bin ~= nvim_py_bin then
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errors[#errors + 1] = '$PATH yields this '
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.. py_bin_basename
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.. ' executable: '
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.. nvim_py_bin
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local hint = '$PATH ambiguities arise if the virtualenv is not '
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.. 'properly activated prior to launching Nvim. Close Nvim, activate the virtualenv, '
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.. 'check that invoking Python from the command line launches the correct one, '
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.. 'then relaunch Nvim.'
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hints[hint] = true
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end
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if venv_bin ~= subshell_py_bin then
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errors[#errors + 1] = '$PATH in subshells yields this '
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.. py_bin_basename
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.. ' executable: '
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.. subshell_py_bin
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local hint = '$PATH ambiguities in subshells typically are '
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.. 'caused by your shell config overriding the $PATH previously set by the '
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.. 'virtualenv. Either prevent them from doing so, or use this workaround: '
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.. 'https://vi.stackexchange.com/a/34996'
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hints[hint] = true
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end
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end
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else
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errors[#errors + 1] = 'no Python executables found in the virtualenv '
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.. bin_dir
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.. ' directory.'
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end
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local msg = '$VIRTUAL_ENV is set to: ' .. os.getenv('VIRTUAL_ENV')
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if vim.tbl_count(errors) > 0 then
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if vim.tbl_count(venv_bins) > 0 then
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msg = msg
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.. '\nAnd its '
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.. bin_dir
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.. ' directory contains: '
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.. vim.fn.join(vim.fn.map(venv_bins, [[fnamemodify(v:val, ':t')]]), ', ')
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end
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local conj = '\nBut '
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for _, err in ipairs(errors) do
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msg = msg .. conj .. err
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conj = '\nAnd '
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end
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msg = msg .. '\nSo invoking Python may lead to unexpected results.'
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warn(msg, vim.fn.keys(hints))
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else
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info(msg)
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info(
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'Python version: '
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.. system('python -c "import platform, sys; sys.stdout.write(platform.python_version())"')
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)
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ok('$VIRTUAL_ENV provides :!python.')
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end
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end
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function M.check()
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clipboard()
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python()
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virtualenv()
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end
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return M
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