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health/provider.vim: Pass errors through. Give more feedback.

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This commit is contained in:
Justin M. Keyes 2016-10-13 17:53:38 +02:00
parent c9b9f052cc
commit 819b79dbc5
1 changed files with 30 additions and 40 deletions
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66
runtime/autoload/health/provider.vim
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@ -1,13 +1,5 @@
let s:bad_responses = [
\ 'unable to parse python response',
\ 'unable to parse',
\ 'unable to get pypi response',
\ 'unable to get neovim executable',
\ 'unable to find neovim version'
\ ]
function! s:is_bad_response(s) abort function! s:is_bad_response(s) abort
return index(s:bad_responses, a:s) >= 0 return a:s =~? '\v(^unable)|(^error)'
endfunction endfunction
function! s:trim(s) abort function! s:trim(s) abort
@ -32,44 +24,41 @@ endfunction
" Fetch the contents of a URL. " Fetch the contents of a URL.
function! s:download(url) abort function! s:download(url) abort
let content = ''
if executable('curl') if executable('curl')
let content = system(['curl', '-sL', a:url]) let rv = system(['curl', '-sL', a:url])
endif return v:shell_error ? 'curl error: '.v:shell_error : rv
elseif executable('python')
if empty(content) && executable('python')
let script = " let script = "
\try:\n \try:\n
\ from urllib.request import urlopen\n \ from urllib.request import urlopen\n
\except ImportError:\n \except ImportError:\n
\ from urllib2 import urlopen\n \ from urllib2 import urlopen\n
\\n \\n
\try:\n
\response = urlopen('".a:url."')\n \response = urlopen('".a:url."')\n
\print(response.read().decode('utf8'))\n \print(response.read().decode('utf8'))\n
\except Exception:\n
\ pass\n
\" \"
let content = system(['python', '-c', script, '2>/dev/null']) let rv = system(['python', '-c', script])
return empty(rv) && v:shell_error
\ ? 'python urllib.request error: '.v:shell_error
\ : rv
endif endif
return 'missing `curl` and `python`, cannot make pypi request'
return content
endfunction endfunction
" Get the latest Neovim Python client version from PyPI. Result is cached. " Get the latest Neovim Python client version from PyPI.
function! s:latest_pypi_version() abort function! s:latest_pypi_version() abort
if exists('s:pypi_version') let pypi_version = 'unable to get pypi response'
return s:pypi_version let pypi_response = s:download('https://pypi.python.org/pypi/neovim/json')
endif if !empty(pypi_response)
try
let s:pypi_version = 'unable to get pypi response' let pypi_data = json_decode(pypi_response)
let pypi_info = s:download('https://pypi.python.org/pypi/neovim/json') catch /E474/
if !empty(pypi_info) return 'error: '.pypi_response
let pypi_data = json_decode(pypi_info) endtry
let s:pypi_version = get(get(pypi_data, 'info', {}), 'version', 'unable to parse') let pypi_version = get(get(pypi_data, 'info', {}), 'version', 'unable to parse')
return s:pypi_version
endif endif
return pypi_version
endfunction endfunction
" Get version information using the specified interpreter. The interpreter is " Get version information using the specified interpreter. The interpreter is
@ -97,11 +86,11 @@ function! s:version_info(python) abort
let nvim_path = s:trim(system([ let nvim_path = s:trim(system([
\ a:python, \ a:python,
\ '-c', \ '-c',
\ 'import neovim; print(neovim.__file__)', \ 'import neovim; print(neovim.__file__)']))
\ '2>/dev/null'])) let nvim_path = v:shell_error ? '' : nvim_path
if empty(nvim_path) if empty(nvim_path)
return [python_version, 'unable to find neovim executable', pypi_version, 'unable to get neovim executable'] return [python_version, 'unable to find nvim executable', pypi_version, 'unable to get nvim executable']
endif endif
" Assuming that multiple versions of a package are installed, sort them " Assuming that multiple versions of a package are installed, sort them
@ -112,7 +101,7 @@ function! s:version_info(python) abort
return a == b ? 0 : a > b ? 1 : -1 return a == b ? 0 : a > b ? 1 : -1
endfunction endfunction
let nvim_version = 'unable to find neovim version' let nvim_version = 'unable to find nvim version'
let base = fnamemodify(nvim_path, ':h') let base = fnamemodify(nvim_path, ':h')
let metas = glob(base.'-*/METADATA', 1, 1) + glob(base.'-*/PKG-INFO', 1, 1) let metas = glob(base.'-*/METADATA', 1, 1) + glob(base.'-*/PKG-INFO', 1, 1)
let metas = sort(metas, 's:compare') let metas = sort(metas, 's:compare')
@ -334,12 +323,13 @@ function! s:check_python(version) abort
endif endif
if s:is_bad_response(latest) if s:is_bad_response(latest)
call health#report_warn('Unable to fetch latest Neovim Python client version.') call health#report_warn('Unable to contact PyPI.')
call health#report_error('HTTP request failed: '.latest)
endif endif
if s:is_bad_response(status) if s:is_bad_response(status)
call health#report_warn('Latest Neovim Python client versions: ('.latest.')') call health#report_warn('Latest Neovim Python client version: ('.latest.')')
else elseif !s:is_bad_response(latest)
call health#report_ok('Latest Neovim Python client is installed: ('.status.')') call health#report_ok('Latest Neovim Python client is installed: ('.status.')')
endif endif
endif endif