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davidhalter / jedi-vim

Using the jedi autocompletion library for VIM.
MIT License
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Jedi vim not working with python 3.6 venv + SOLUTION #704

Closed ViktorBarzin closed 7 years ago

ViktorBarzin commented 7 years ago

Issue

Some prerequisites:

So the issue is when creating a virtual enviorment with python 3.6 and installing any 3rd party library, jedi vim's omni completion does not show any results.

Steps to reproduce

  1. Make sure you have virtual enviorment activated and with python 3.6
  2. pip install django
  3. open a python file vim a.py
  4. start typing from django. and after the '.' activate omni completion. It should say no results found.

Solution

Below you can see the output of redir @+> | silent verb JediDebugInfo | redir END So let me walk you through the solution I found. Actually there a couple of walkarounds I will show you because I believe this problem is really hard to google (at least for me it was) and is kinda tricky to find.

Let's begin. Open up a .py file and enter the command JediDebugInfo. You will see information about jedi vim. The part we are interested in is sys_path. If you look closely at the virtual enviorment path you will notice something like this /username/.virtualenvs/name-of-env/lib/**python3.5**/site-packages. Now if you go to the lib folder of the enviorment you will notice that the next folder is named python3.6 not python3.5. So it cannot find the site packages of the enviorment therefore omni completion does not work.

Now for the impatient, the easy solution is just to rename the folder from python3.6 to python3.5. Everything will work just fine. The problem with that is that you need to do this for every virtual env you make with python3.6 if you want omni completion.

This solution was not good enough for me so I went on digging. It is obvious that if I make my env with python 3.6 and the sys_path contains python 3.5 it means that something is generating this path and is hard coded somewhere(thank god it's not binary).Now you hit another major problem because you can't google that as well. Here comes the part you'll thank me for - The method that is responsible for generating the sys_path under virtual env is located in ~/.vim/bundle/jedi-vim/jedi/jedi/evaluate/sys_path.py line 15. Now you can write you custom code to detect python 3.6 envs and site-packages folders. Add the paths you want as a list of strings on line 24 where the return statement is.

However, both solutions are just walkarounds. The problem originates because jedi-vim uses the vim default intepreter which if compiled with +python3 is python 3.5.2.

Hope this get fixed and someone who has had this problem finds my solutions useful :)

Output of “:verbose JediDebugInfo”

Jedi-vim debug information

Using Python version: 3

Settings
g:jedi#force_py_version = 3 (default: 'auto')
g:jedi#popup_select_first = 0 (default: 1)
g:jedi#popup_on_dot = 0 (default: 1)
g:jedi#usages_command = '<leader>z' (default: '<leader>n')

  omnifunc=jedi#completions
    Last set from ~/.vimrc
  completeopt=longest,menuone
    Last set from ~/.vimrc

:version


VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Mar 07 2017 03:33:23)
Included patches: 1-197, 322, 377-378
Modified by pkg-vim-maintainers@lists.alioth.debian.org
Compiled by pkg-vim-maintainers@lists.alioth.debian.org
Huge version with GTK3 GUI.  Features included (+) or not (-):
+acl             +cmdline_hist    -ebcdic          +gettext         +listcmds        +mouse_sgr       +persistent_undo +smartindent     +textobjects     +wildmenu
+arabic          +cmdline_info    +emacs_tags      -hangul_input    +localmap        -mouse_sysmouse  +postscript      +startuptime     +timers          +windows
+autocmd         +comments        +eval            +iconv           +lua             +mouse_urxvt     +printer         +statusline      +title           +writebackup
+balloon_eval    +conceal         +ex_extra        +insert_expand   +menu            +mouse_xterm     +profile         -sun_workshop    +toolbar         +X11
+browse          +cryptv          +extra_search    +job             +mksession       +multi_byte      -python          +syntax          +user_commands   -xfontset
++builtin_terms  +cscope          +farsi           +jumplist        +modify_fname    +multi_lang      +python3         +tag_binary      +vertsplit       +xim
+byte_offset     +cursorbind      +file_in_path    +keymap          +mouse           -mzscheme        +quickfix        +tag_old_static  +virtualedit     +xpm
+channel         +cursorshape     +find_in_path    +lambda          +mouseshape      +netbeans_intg   +reltime         -tag_any_white   +visual          +xsmp_interact
+cindent         +dialog_con_gui  +float           +langmap         +mouse_dec       +num64           +rightleft       +tcl             +visualextra     +xterm_clipboard
+clientserver    +diff            +folding         +libcall         +mouse_gpm       +packages        +ruby            +termguicolors   +viminfo         -xterm_save
+clipboard       +digraphs        -footer          +linebreak       -mouse_jsbterm   +path_extra      +scrollbind      +terminfo        +vreplace        
+cmdline_compl   +dnd             +fork()          +lispindent      +mouse_netterm   +perl            +signs           +termresponse    +wildignore      
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "$VIM/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
       defaults file: "$VIMRUNTIME/defaults.vim"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wdate-time  -g -O2 -fdebug-prefix-map=/build/vim-yUSlYU/vim-8.0.0197=. -fstack-protector-strong -Wformat -Werror=format-security -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1       
Linking: gcc   -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E  -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -o vim   -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE  -lm -ltinfo -lnsl  -lselinux  -lacl -lattr -lgpm -ldl  -L/usr/lib -llua5.2 -Wl,-E  -fstack-protector-strong -L/usr/local/lib  -L/usr/lib/x86_64-linux-gnu/perl/5.24/CORE -lperl -ldl -lm -lpthread -lcrypt  -L/usr/lib/python3.5/config-3.5m-x86_64-linux-gnu -lpython3.5m -lpthread -ldl -lutil -lm -L/usr/lib/x86_64-linux-gnu -ltcl8.6 -ldl -lz -lpthread -lieee -lm -lruby-2.3 -lpthread -lgmp -ldl -lcrypt -lm

:messages

Messages maintainer: Bram Moolenaar <Bram@vim.org>
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~/.vim/bundle/vim-airline/autoload/airline/extensions/tabline/formatters/default.vim 144: ~/.vim/bundle/vim-powerline/autoload/Powerline/Functions.vim ```
blueyed commented 7 years ago

Thanks. Being less strict in this regard was suggested for Jedi in https://github.com/davidhalter/jedi/pull/829 - but closed for now. You can use the patch from there though for a more generic solution.

I see that it is more annoying with Vim, where the Python library is more static, whereas Neovim can use python instead.

cmcginty commented 6 years ago

See #685