autocomplete not working on numpy arrays (but working on numpy.ndarray)

[j9ac9k]

Problem summary

Autocompletions not working for np.array variables

Expected

a = np.array([1, 2, 3])
a.<auto-complete should get all numpy array methods>

Environment Information

• OS: macOS
• Neovim version: 0.3.1

Provide a minimal init.vim with less than 50 lines (required)

set runtimepath+=~/.config/nvim/plugged/deoplete.nvim/
set runtimepath+=~/.config/nvim/plugged/deoplete-jedi/
let g:deoplete#enable_at_startup = 1

let g:python_host_prog = '/Users/ogi/.pyenv/versions/neovim2/bin/python'
let g:python3_host_prog = '/Users/ogi/.pyenv/versions/neovim3/bin/python'

call plug#begin()
Plug 'davidhalter/jedi-vim'
  Plug 'lambdalisue/vim-pyenv'

Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
  Plug 'zchee/deoplete-jedi', { 'for': 'python' }

call plug#end()

let g:jedi#completions_enabled = 0

" pyenv-jedi Allows changing of jedi versions
if jedi#init_python()
  function! s:jedi_auto_force_py_version() abort
    let g:jedi#force_py_version = pyenv#python#get_internal_major_version()
    let g:deoplete#sources#jedi#python_path = g:pyenv#python_exec
  endfunction
  augroup vim-pyenv-custom-augroup
    autocmd! *
    autocmd User vim-pyenv-activate-post   call s:jedi_auto_force_py_version()
    autocmd User vim-pyenv-deactivate-post call s:jedi_auto_force_py_version()
  augroup END
endif

call deoplete#enable_logging('DEBUG', '/tmp/deoplete.log')
call deoplete#custom#source('jedi', 'debug_enabled', 1)

Generate logfiles if appropriate

1. export NVIM_PYTHON_LOG_FILE=/tmp/nvim-log
2. export NVIM_PYTHON_LOG_LEVEL=DEBUG
3. nvim -u minimal.vimrc

Then look at and attach the files /tmp/nvim-log_{PID} and
/tmp/deoplete.log here.

deoplete.log
nvim-log_py2_script.log
nvim-log_py3_rplugin.log
nvim-log_py3_script.log

Steps to reproduce the issue after starting Neovim (required)

1. Start neovim
2. Edit a python file
3. Select a Python environment with numpy installed (via pyenv activate)
4. Import numpy, assign a variable as a numpy array and attempt to access that variables methods or attributes
5. Declaring the variables as a numpy.ndarray does resolve correctly.

Screen shot (if possible)

Upload the logfile(s)

deoplete.log
nvim-log_py2_script.log
nvim-log_py3_rplugin.log
nvim-log_py3_script.log

Supplemental Information

Exact issue described shown here:
davidhalter/jedi#372 (comment)

Jedi author says that numpydoc has to be installed for it to work:
davidhalter/jedi#372 (comment)

[Shougo]

It is not deoplete-jedi's issue.
It is jedi's issue.
Closing.

[j9ac9k]

Not sure I agree, but I will post my fix in case anyone here comes across this issue.

I addressed this by running pip install numpydoc against the neovim3 virtualenv.

Jedi's documentation states:

In order to support the numpydoc format, you need to install the numpydoc package.

Once I did that, type completion on numpy.array worked great.

[Shougo]

OK. jedi uses type information from the doc.

[j9ac9k]

I'm not sure.what the overlap between vim users and numpy/scipy/pandas users is, but I would encourage you to add numpydoc as a dependency to deoplete-jedi.