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provider/pythonx: don't assume CWD (empty string) is in path #11304

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sys.path.remove("") raises ValueError if the item is missing.

https://docs.python.org/3/library/functions.html#filter:
> filter(function, iterable) is equivalent to the generator expression (item
> for item in iterable if function(item))

fixes #11293
This commit is contained in:
supermomonga 2019-10-28 06:27:22 +09:00 committed by Justin M. Keyes
parent e085cacba4
commit 31536ae003
2 changed files with 5 additions and 3 deletions
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3
runtime/autoload/health/provider.vim
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@ -202,7 +202,8 @@ function! s:version_info(python) abort
let nvim_path = s:trim(s:system([
\ a:python, '-c',
\ 'import sys; sys.path.remove(""); ' .
\ 'import sys; ' .
\ 'sys.path = list(filter(lambda x: x != "", sys.path)); ' .
\ 'import neovim; print(neovim.__file__)']))
if s:shell_error || empty(nvim_path)
return [python_version, 'unable to load neovim Python module', pypi_version,

5
runtime/autoload/provider/pythonx.vim
View File

@ -10,7 +10,8 @@ function! provider#pythonx#Require(host) abort
" Python host arguments
let prog = (ver == '2' ? provider#python#Prog() : provider#python3#Prog())
let args = [prog, '-c', 'import sys; sys.path.remove(""); import neovim; neovim.start_host()']
let args = [prog, '-c', 'import sys; sys.path = list(filter(lambda x: x != "", sys.path)); import neovim; neovim.start_host()']
" Collect registered Python plugins into args
let python_plugins = remote#host#PluginsForHost(a:host.name)
@ -66,7 +67,7 @@ endfunction
function! s:import_module(prog, module) abort
let prog_version = system([a:prog, '-c' , printf(
\ 'import sys; ' .
\ 'sys.path.remove(""); ' .
\ 'sys.path = list(filter(lambda x: x != "", sys.path)); ' .
\ 'sys.stdout.write(str(sys.version_info[0]) + "." + str(sys.version_info[1])); ' .
\ 'import pkgutil; ' .
\ 'exit(2*int(pkgutil.get_loader("%s") is None))',