nvim: init.vim: Add jedi-vim

Show Pydocs feature in deoplete jedi does not seem to consider
the complete word. For example, os.path.splitext placing cursor
on splitext seems to give an error. Same works in jedi-vim. Do
not use completions from jedi-vim though.

nvim/init.vim

@@ -63,6 +63,7 @@ Plug 'LnL7/vim-nix', { 'for': 'nix' }
 " For autocompletion
 Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
 " For Python
+Plug 'davidhalter/jedi-vim', { 'for': 'python' }
 Plug 'zchee/deoplete-jedi', { 'for': 'python' }
 Plug 'numirias/semshi', { 'for': 'python', 'do': ':UpdateRemotePlugins' }
 " Autocomplete for Rust
@@ -600,6 +601,26 @@ let g:hardtime_ignore_quickfix = 1
 let g:hardtime_maxcount = 3
 let g:hardtime_allow_different_key = 1
 
+let g:jedi#goto_command = "<Leader>jt"
+let g:jedi#goto_assignments_command = "<Leader>ja"
+let g:jedi#goto_definitions_command = "<Leader>jg"
+let g:jedi#documentation_command = "<Leader>jd"
+let g:jedi#usages_command = "<Leader>ju"
+let g:jedi#completions_command = "<Tab>"
+let g:jedi#rename_command = "<Leader>jr"
+
+let g:jedi#auto_initialization = 1
+let g:jedi#auto_vim_configuration = 0
+let g:jedi#use_tabs_not_buffers = 1
+let g:jedi#popup_on_dot = 1
+let g:jedi#popup_select_first = 0
+let g:jedi#smart_auto_mappings = 0
+let g:jedi#show_call_signatures = "1"
+let g:jedi#show_call_signatures_delay = 0
+let g:jedi#show_call_signatures_modes = 'i'
+let g:jedi#enable_speed_debugging = 0
+let g:jedi#completions_enabled = 0
+
 " ----------------------------- Functions ------------------------------------
 " For CScope and Quickfix
 " https://medium.com/@lakshmankumar12/quickfix-and-location-list-in-vim-ca0292ac894d