Update submodule pythonx/jedi 454447d4...60415033

* pythonx/jedi 454447d4...60415033 (54):
      > Prepare the v0.14.1 release
      > Use fixture names everywhere
      > Cleanup a test file
      > Use parametrize instead of TestCase
      > Remove a TestCase class usage
      > Use pytest.mark.parametrize for something instad of a class
      > Use the names fixture even more
      > Use the names fixture more
      > A small rename
      > Refactor names tests
      > A small refactoring
      > Make sure __wrapped__ works properly when using an Interpreter, fixes #1353
      > Small refactoring
      > Make API param names appear without leading double underscores, fixes #1357 again
      > Fix some call signature tests
      > Make expected index work in Python 3
      > Test both closing brackets and non-closing brackets for CallSignature.index
      > Fix a case with errors
      > Move some code around
      > Fix some kwargs cases
      > Fix some *args issues
      > Deal better with some error nodes
      > Delete unused code
      > Fix some error node handling for call signatures
      > Fix CallSignature index for a looot of cases, fixes #1364,#1363
      > Use recursion rather than other stuff
      > Even more refactorings
      > small name refactoring
      > Refactor some call details
      > Disable a test for Python 2
      > Fix pow() signature, fixes #1357
      > Merge branch 'master' of github.com:davidhalter/jedi
      > Fix signature to_string
      > Fix an issue with keyword params, fixes #1356
      > Simplify some test code for param defaults, see #1356
      > Merge branch 'function_signature_in_interpreter' of https://github.com/linupi/jedi
      > Improve a bit of dataclasses support, so at least the attributes can be seen
      > Make sure in tests that pep 0526 variables are also able to be used when using self, see #933
      > Get typing.NewType working (#1344)
      > Cannot use pytest 5 yet
      > Fix filters for classes and functions
      > Fix some small things to get more tests passing
      > A better repr for Definition
      > Merge branch 'master' of github.com:davidhalter/jedi
      > Fix ClassVar filter for instances
      > Keyword completions are no longer possible directly after a number, fixes #1085
      > Fix super call goto for multiple inheritance, fixes #1311
      > goto should always goto definitions, fixes #1304
      > Fix star imports checks, fixes #1235
      > Actually import IsADirectoryError
      > Add 3.8 to supported versions
      > Fix project search if a directory is called manage.py, fixes #1314
      > Return annotations for compiled objects now help to infer
      > Update parso requirement

.coveragerc

@@ -0,0 +1,7 @@
+[run]
+branch = 1
+# Used by/for neovim-python-client.
+concurrency = greenlet
+
+[report]
+include = pythonx/jedi_*.py,test/*

.gitignore

@@ -3,4 +3,6 @@
 *.py[cod]
 .ropeproject
 doc/tags
-.cache
+.pytest-cache
+build
+.coverage*

.travis.yml

@@ -1,15 +1,34 @@
-sudo: false
+dist: xenial
 language: python
-python: 3.6
+python: 3.7
 env:
   matrix:
     - ENV=test
     - ENV=check
+    - ENV=test_coverage
+matrix:
+  include:
+    - env: ENV=test_coverage
+      python: 2.7
 install:
   - |
     if [ "$ENV" = "test" ]; then
-      python3.6 -m pip install pytest
+      pip install pytest
+    elif [ "$ENV" = "test_coverage" ]; then
+      sudo add-apt-repository ppa:neovim-ppa/stable -y
+      sudo apt-get update -q
+      sudo apt-get install neovim -y
+
+      pip install pynvim pytest-cov
+    else
+      vim --version
     fi
 script:
-  - vim --version
-  - make "$ENV"
+  - make --keep-going "$ENV" BUILD_VIRTUAL_ENV=$VIRTUAL_ENV
+
+after_success:
+  - |
+    if [ "$ENV" = "test_coverage" ]; then
+      coverage xml
+      bash <(curl -s https://codecov.io/bash) -X gcov -X coveragepy -X fix -X search -X xcode -f coverage.xml -F py${TRAVIS_PYTHON_VERSION//./}
+    fi

AUTHORS.txt

@@ -51,5 +51,7 @@ Bagrat Aznauryan (@n9code)
 Tomoyuki Kashiro (@kashiro)
 Tommy Allen (@tweekmonster)
 Mingliang (@Aulddays)
+Brian Mego (@brianmego)
+Stevan Milic (@stevanmilic) <stevan.milic@yahoo.com>
 
 @something are github user names.

Makefile

@@ -1,16 +1,35 @@
-test:
-	py.test
+BUILD_VIRTUAL_ENV:=build/venv
 
-build:
-	mkdir $@
-build/vint: | build
-	virtualenv $@
-	$@/bin/pip install vim-vint
-check: LINT_FILES:=after autoload ftplugin plugin
-check: build/vint
-	build/vint/bin/vint $(LINT_FILES)
+test:
+	pytest
+
+test_nvim:
+	VSPEC_VIM=nvim pytest
+
+test_coverage: export PYTEST_ADDOPTS:=--cov pythonx --cov test --cov-report=term-missing:skip-covered
+test_coverage: test_nvim
+
+$(dir $(BUILD_VIRTUAL_ENV)):
+	mkdir -p $@
+
+$(BUILD_VIRTUAL_ENV): | $(dir $(BUILD_VIRTUAL_ENV))
+	python -m venv $@
+
+$(BUILD_VIRTUAL_ENV)/bin/vint: | $(BUILD_VIRTUAL_ENV)
+	$|/bin/python -m pip install vim-vint==0.3.19
+
+$(BUILD_VIRTUAL_ENV)/bin/flake8: | $(BUILD_VIRTUAL_ENV)
+	$|/bin/python -m pip install -q flake8==3.5.0
+
+vint: $(BUILD_VIRTUAL_ENV)/bin/vint
+	$(BUILD_VIRTUAL_ENV)/bin/vint after autoload ftplugin plugin
+
+flake8: $(BUILD_VIRTUAL_ENV)/bin/flake8
+	$(BUILD_VIRTUAL_ENV)/bin/flake8 pythonx/jedi_*.py
+
+check: vint flake8
 
 clean:
-	rm -rf .cache build
+	rm -rf build
 
-.PHONY: test check clean
+.PHONY: test check clean vint flake8

README.rst

@@ -1,3 +1,5 @@
+.. image:: https://github.com/davidhalter/jedi-vim/blob/master/doc/logotype-a.svg
+
 #################################################
 jedi-vim - awesome Python autocompletion with VIM
 #################################################
@@ -70,9 +72,8 @@ Installation
 
 Requirements
 ------------
-You need a VIM version that was compiled with Python 2.6 or later
-(``+python`` or ``+python3``), which is typical for most distributions on
-Linux.  You can check this from within VIM using
+You need a VIM version that was compiled with Python 2.7 or later
+(``+python`` or ``+python3``).  You can check this from within VIM using
 ``:python3 import sys; print(sys.version)`` (use ``:python`` for Python 2).
 
 Manual installation
@@ -81,9 +82,8 @@ Manual installation
 You might want to use `pathogen <https://github.com/tpope/vim-pathogen>`_ or
 `Vundle <https://github.com/gmarik/vundle>`_ to install jedi-vim.
 
-The first thing you need after that is an up-to-date version of Jedi. You can
-either install it via ``pip install jedi`` or with
-``git submodule update --init`` in your jedi-vim repository.
+The first thing you need after that is an up-to-date version of Jedi. Install
+``git submodule update --init --recursive`` in your jedi-vim repository.
 
 Example installation command using Pathogen:
 
@@ -99,6 +99,9 @@ Add the following line in your `~/.vimrc`
 
     Plugin 'davidhalter/jedi-vim'
 
+For installing Jedi, ``pip install jedi`` will also work, but you might run
+into issues when working in virtual environments. Please use git submodules.
+
 
 Installation with your distribution
 -----------------------------------

after/syntax/python.vim

@@ -26,7 +26,9 @@ if g:jedi#show_call_signatures > 0 && has('conceal')
         hi def link jediFunction CursorLine
         hi def link jediFat TabLine
     else
-        hi jediFunction term=NONE cterm=NONE ctermfg=6 guifg=Black gui=NONE ctermbg=0 guibg=Grey
-        hi jediFat term=bold,underline cterm=bold,underline gui=bold,underline ctermbg=0 guibg=#555555
+        hi def jediFunction term=NONE cterm=NONE ctermfg=6 guifg=Black gui=NONE ctermbg=0 guibg=Grey
+        hi def jediFat term=bold,underline cterm=bold,underline gui=bold,underline ctermbg=0 guibg=#555555
     endif
 endif
+
+hi def jediUsage cterm=reverse gui=standout

autoload/jedi.vim

@@ -19,6 +19,7 @@ let s:default_settings = {
     \ 'goto_command': "'<leader>d'",
     \ 'goto_assignments_command': "'<leader>g'",
     \ 'goto_definitions_command': "''",
+    \ 'goto_stubs_command': "'<leader>s'",
     \ 'completions_command': "'<C-Space>'",
     \ 'call_signatures_command': "'<leader>n'",
     \ 'usages_command': "'<leader>n'",
@@ -34,7 +35,7 @@ let s:default_settings = {
     \ 'popup_select_first': 1,
     \ 'quickfix_window_height': 10,
     \ 'force_py_version': "'auto'",
-    \ 'smart_auto_mappings': 1,
+    \ 'smart_auto_mappings': 0,
     \ 'use_tag_stack': 1
 \ }
 
@@ -57,80 +58,82 @@ endfor
 " ------------------------------------------------------------------------
 let s:script_path = fnameescape(expand('<sfile>:p:h:h'))
 
+" Initialize Python (PythonJedi command).
 function! s:init_python() abort
-    if g:jedi#force_py_version !=# 'auto'
-        " Always use the user supplied version.
-        try
-            return jedi#setup_py_version(g:jedi#force_py_version)
-        catch
-            throw 'Could not setup g:jedi#force_py_version: '.v:exception
-        endtry
-    endif
-
-    " Handle "auto" version.
-    if has('nvim') || (has('python') && has('python3'))
-        " Neovim usually has both python providers. Skipping the `has` check
-        " avoids starting both of them.
-
-        " Get default python version from interpreter in $PATH.
-        let s:def_py = system('python -c '.shellescape('import sys; sys.stdout.write(str(sys.version_info[0]))'))
-        if v:shell_error != 0 || !len(s:def_py)
+    " Use g:jedi#force_py_version for loading Jedi, or fall back to using
+    " `has()` - preferring Python 3.
+    let loader_version = get(g:, 'jedi#loader_py_version', g:jedi#force_py_version)
+    if loader_version ==# 'auto'
+        if has('python3')
+            let loader_version = 3
+        elseif has('python')
+            let loader_version = 2
+        else
+            throw 'jedi-vim requires Vim with support for Python 2 or 3.'
+        endif
+    else
+        if loader_version =~# '^3'
+            let loader_version = 3
+        elseif loader_version =~# '^2'
+            let loader_version = 2
+        else
             if !exists('g:jedi#squelch_py_warning')
                 echohl WarningMsg
-                echom 'Warning: jedi-vim failed to get Python version from sys.version_info: ' . s:def_py
-                echom 'Falling back to version 2.'
+                echom printf("jedi-vim: could not determine Python loader version from 'g:jedi#loader_py_version/g:jedi#force_py_version' (%s), using 3.",
+                            \ loader_version)
                 echohl None
             endif
-            let s:def_py = 2
-        elseif &verbose
-            echom 'jedi-vim: auto-detected Python: '.s:def_py
-        endif
-
-        " Make sure that the auto-detected version is available in Vim.
-        if !has('nvim') || has('python'.(s:def_py == 2 ? '' : s:def_py))
-            return jedi#setup_py_version(s:def_py)
-        endif
-
-        " Add a warning in case the auto-detected version is not available,
-        " usually because of a missing neovim module in a VIRTUAL_ENV.
-        if has('nvim')
-            echohl WarningMsg
-            echom 'jedi-vim: the detected Python version ('.s:def_py.')'
-                        \ 'is not functional.'
-                        \ 'Is the "neovim" module installed?'
-                        \ 'While jedi-vim will work, it might not use the'
-                        \ 'expected Python path.'
-            echohl None
+            let loader_version = 3
         endif
     endif
-
-    if has('python')
-        call jedi#setup_py_version(2)
-    elseif has('python3')
-        call jedi#setup_py_version(3)
-    else
-        throw 'jedi-vim requires Vim with support for Python 2 or 3.'
-    endif
+    call jedi#setup_python_imports(loader_version)
     return 1
 endfunction
 
 
 function! jedi#reinit_python() abort
-    unlet! s:_init_python
+    let s:_init_python = -1
     call jedi#init_python()
 endfunction
 
 
+" This is meant to be called with `:unsilent` (for &shortmess+=F).
+function! s:display_exception() abort
+    let error_lines = split(v:exception, '\n')
+    let msg = 'Error: jedi-vim failed to initialize Python: '
+                \ .error_lines[0].' (in '.v:throwpoint.')'
+    if len(error_lines) > 1
+        echohl ErrorMsg
+        echom 'jedi-vim error: '.error_lines[0]
+        for line in error_lines[1:]
+            echom line
+        endfor
+        echohl None
+        let help_cmd = ':JediDebugInfo'
+        if exists(':checkhealth') == 2
+            let help_cmd .= ' / :checkhealth'
+        endif
+        let msg .= printf('. See :messages and/or %s for more information.',
+              \ help_cmd)
+    endif
+    redraw  " Redraw to only have the main message by default.
+    echoerr msg
+endfunction
+
+
 let s:_init_python = -1
 function! jedi#init_python() abort
     if s:_init_python == -1
+        let s:_init_python = 0
         try
             let s:_init_python = s:init_python()
-        catch
-            let s:_init_python = 0
+            let s:_init_python = 1
+        catch /^jedi/
+            " Only catch errors from jedi-vim itself here, so that for
+            " unexpected Python exceptions the traceback will be shown
+            " (e.g. with NameError in jedi#setup_python_imports's code).
             if !exists('g:jedi#squelch_py_warning')
-                echoerr 'Error: jedi-vim failed to initialize Python: '
-                            \ .v:exception.' (in '.v:throwpoint.')'
+                unsilent call s:display_exception()
             endif
         endtry
     endif
@@ -139,7 +142,7 @@ endfunction
 
 
 let s:python_version = 'null'
-function! jedi#setup_py_version(py_version) abort
+function! jedi#setup_python_imports(py_version) abort
     if a:py_version == 2
         let cmd_exec = 'python'
         let s:python_version = 2
@@ -147,70 +150,68 @@ function! jedi#setup_py_version(py_version) abort
         let cmd_exec = 'python3'
         let s:python_version = 3
     else
-        throw 'jedi#setup_py_version: invalid py_version: '.a:py_version
+        throw 'jedi#setup_python_imports: invalid py_version: '.a:py_version
     endif
 
     execute 'command! -nargs=1 PythonJedi '.cmd_exec.' <args>'
 
-    let s:init_outcome = 0
+    let g:_jedi_init_error = 0
     let init_lines = [
           \ 'import vim',
           \ 'try:',
           \ '    import jedi_vim',
+          \ '    if hasattr(jedi_vim, "jedi_import_error"):',
+          \ '        from jedi_vim_debug import format_exc_info',
+          \ '        vim.vars["_jedi_init_error"] = format_exc_info(jedi_vim.jedi_import_error)',
           \ 'except Exception as exc:',
-          \ '    vim.command(''let s:init_outcome = "could not import jedi_vim: {0}: {1}"''.format(exc.__class__.__name__, exc))',
-          \ 'else:',
-          \ '    vim.command(''let s:init_outcome = 1'')']
-    try
-        exe 'PythonJedi exec('''.escape(join(init_lines, '\n'), "'").''')'
-    catch
-        throw printf('jedi#setup_py_version: failed to run Python for initialization: %s.', v:exception)
-    endtry
-    if s:init_outcome is 0
-        throw 'jedi#setup_py_version: failed to run Python for initialization.'
-    elseif s:init_outcome isnot 1
-        throw printf('jedi#setup_py_version: %s.', s:init_outcome)
+          \ '    from jedi_vim_debug import format_exc_info',
+          \ '    vim.vars["_jedi_init_error"] = format_exc_info()',
+          \ ]
+    exe 'PythonJedi exec('''.escape(join(init_lines, '\n'), "'").''')'
+    if g:_jedi_init_error isnot 0
+        throw printf('jedi#setup_python_imports: %s', g:_jedi_init_error)
     endif
     return 1
 endfunction
 
 
 function! jedi#debug_info() abort
-    if s:python_version ==# 'null'
-        try
-            call s:init_python()
-        catch
-            echohl WarningMsg | echom v:exception | echohl None
-            return
-        endtry
-    endif
     if &verbose
       if &filetype !=# 'python'
         echohl WarningMsg | echo 'You should run this in a buffer with filetype "python".' | echohl None
       endif
     endif
     echo '#### Jedi-vim debug information'
-    echo 'Using Python version:' s:python_version
+    echo "\n"
+    echo '##### jedi-vim version'
+    echo "\n"
+    echo ' - jedi-vim git version: '
+    echon substitute(system('git -C '.s:script_path.' describe --tags --always --dirty'), '\v\n$', '', '')
+    echo ' - jedi git submodule status: '
+    echon substitute(system('git -C '.s:script_path.' submodule status pythonx/jedi'), '\v\n$', '', '')
+    echo ' - parso git submodule status: '
+    echon substitute(system('git -C '.s:script_path.' submodule status pythonx/parso'), '\v\n$', '', '')
+    echo "\n"
+    echo '##### Global Python'
+    echo "\n"
+    echo 'Using Python version '.s:python_version.' to access Jedi.'
     let pyeval = s:python_version == 3 ? 'py3eval' : 'pyeval'
     let s:pythonjedi_called = 0
     PythonJedi import vim; vim.command('let s:pythonjedi_called = 1')
     if !s:pythonjedi_called
       echohl WarningMsg
       echom 'PythonJedi failed to run, likely a Python config issue.'
-      if exists(':CheckHealth') == 2
-        echom 'Try :CheckHealth for more information.'
+      if exists(':checkhealth') == 2
+        echom 'Try :checkhealth for more information.'
       endif
       echohl None
     else
       PythonJedi from jedi_vim_debug import display_debug_info
       PythonJedi display_debug_info()
     endif
-    echo ' - jedi-vim git version: '
-    echon substitute(system('git -C '.s:script_path.' describe --tags --always --dirty'), '\v\n$', '', '')
-    echo ' - jedi git submodule status: '
-    echon substitute(system('git -C '.s:script_path.' submodule status'), '\v\n$', '', '')
     echo "\n"
     echo '##### Settings'
+    echo "\n"
     echo '```'
     let jedi_settings = items(filter(copy(g:), "v:key =~# '\\v^jedi#'"))
     let has_nondefault_settings = 0
@@ -252,23 +253,6 @@ function! jedi#debug_info() abort
     endif
 endfunction
 
-function! jedi#force_py_version(py_version) abort
-    let g:jedi#force_py_version = a:py_version
-    return jedi#setup_py_version(a:py_version)
-endfunction
-
-
-function! jedi#force_py_version_switch() abort
-    if g:jedi#force_py_version == 2
-        call jedi#force_py_version(3)
-    elseif g:jedi#force_py_version == 3
-        call jedi#force_py_version(2)
-    else
-        throw "Don't know how to switch from ".g:jedi#force_py_version.'!'
-    endif
-endfunction
-
-
 " Helper function instead of `python vim.eval()`, and `.command()` because
 " these also return error definitions.
 function! jedi#_vim_exceptions(str, is_eval) abort
@@ -304,8 +288,21 @@ function! jedi#goto_definitions() abort
     PythonJedi jedi_vim.goto(mode="definition")
 endfunction
 
+function! jedi#goto_stubs() abort
+    PythonJedi jedi_vim.goto(mode="stubs")
+endfunction
+
 function! jedi#usages() abort
-    PythonJedi jedi_vim.goto(mode="related_name")
+    call jedi#remove_usages()
+    PythonJedi jedi_vim.usages()
+endfunction
+
+function! jedi#remove_usages() abort
+    for match in getmatches()
+        if stridx(match['group'], 'jediUsage') == 0
+            call matchdelete(match['id'])
+        endif
+    endfor
 endfunction
 
 function! jedi#rename(...) abort
@@ -341,9 +338,10 @@ function! jedi#py_import_completions(argl, cmdl, pos) abort
 endfun
 
 function! jedi#clear_cache(bang) abort
-    PythonJedi jedi_vim.jedi.cache.clear_time_caches(True)
     if a:bang
-        PythonJedi jedi_vim.jedi.parser.utils.ParserPickling.clear_cache()
+        PythonJedi jedi_vim.jedi.cache.clear_time_caches(True)
+    else
+        PythonJedi jedi_vim.jedi.cache.clear_time_caches(False)
     endif
 endfunction
 
@@ -385,7 +383,9 @@ function! jedi#show_documentation() abort
 
     " quit comands
     nnoremap <buffer> q ZQ
-    execute 'nnoremap <buffer> '.g:jedi#documentation_command.' ZQ'
+    if len(g:jedi#documentation_command)
+      execute 'nnoremap <buffer> '.g:jedi#documentation_command.' ZQ'
+    endif
 endfunction
 
 " ------------------------------------------------------------------------

conftest.py

@@ -1,75 +0,0 @@
-import os
-import subprocess
-import urllib.request
-import zipfile
-
-import pytest
-
-VSPEC_URL = 'https://github.com/kana/vim-vspec/archive/1.4.1.zip'
-CACHE_FOLDER = '.cache'
-VSPEC_FOLDER = os.path.join(CACHE_FOLDER, 'vim-vspec-1.4.1')
-VSPEC_RUNNER = os.path.join(VSPEC_FOLDER, 'bin/vspec')
-TEST_DIR = 'test'
-
-
-class IntegrationTestFile(object):
-    def __init__(self, path):
-        self.path = path
-
-    def run(self):
-        output = subprocess.check_output(
-            [VSPEC_RUNNER, '.', VSPEC_FOLDER, self.path])
-        had_ok = False
-        for line in output.splitlines():
-            if (line.startswith(b'not ok') or
-                    line.startswith(b'Error') or
-                    line.startswith(b'Bail out!')):
-                pytest.fail("{0} failed:\n{1}".format(
-                    self.path, output.decode('utf-8')), pytrace=False)
-            if not had_ok and line.startswith(b'ok'):
-                had_ok = True
-        if not had_ok:
-            pytest.fail("{0} failed: no 'ok' found:\n{1}".format(
-                self.path, output.decode('utf-8')), pytrace=False)
-
-    @property
-    def name(self):
-        name = os.path.basename(self.path)
-        name, _, _ = name.rpartition('.')
-        return name
-
-    def __repr__(self):
-        return "<%s: %s>" % (type(self), self.path)
-
-
-def pytest_configure(config):
-    if not os.path.isdir(CACHE_FOLDER):
-        os.mkdir(CACHE_FOLDER)
-
-    if not os.path.exists(VSPEC_FOLDER):
-        name, hdrs = urllib.request.urlretrieve(VSPEC_URL)
-        z = zipfile.ZipFile(name)
-        for n in z.namelist():
-            dest = os.path.join(CACHE_FOLDER, n)
-            destdir = os.path.dirname(dest)
-            if not os.path.isdir(destdir):
-                os.makedirs(destdir)
-            data = z.read(n)
-            if not os.path.isdir(dest):
-                with open(dest, 'wb') as f:
-                    f.write(data)
-        z.close()
-        os.chmod(VSPEC_RUNNER, 0o777)
-
-
-def pytest_generate_tests(metafunc):
-    """
-    :type metafunc: _pytest.python.Metafunc
-    """
-    def collect_tests():
-        for f in os.listdir(TEST_DIR):
-            if f.endswith('.vim') and f != 'utils.vim':
-                yield IntegrationTestFile(os.path.join(TEST_DIR, f))
-
-    tests = list(collect_tests())
-    metafunc.parametrize('case', tests, ids=[test.name for test in tests])

doc/jedi-vim.txt

@@ -60,7 +60,7 @@ Jedi-vim is a Vim binding to the awesome Python autocompletion library
 - Infers function arguments from Sphinx/Epydoc strings
 - Doesn't execute Python code
 - Supports Virtualenv
-- Supports Python 2.5+ and 3.2+
+- Supports Python 2.7 and 3.4+
 
 By leveraging this library, jedi-vim adds the following capabilities to Vim:
 
@@ -78,15 +78,6 @@ By leveraging this library, jedi-vim adds the following capabilities to Vim:
 
 First of all, jedi-vim requires Vim to be compiled with the `+python` option.
 
-The jedi library has to be installed for jedi-vim to work properly.  You can
-install it first, by using e.g. your distribution's package manager, or by
-using pip: >
-
-    pip install jedi
-
-However, you can also install it as a git submodule if you don't want to use
-jedi for anything but this plugin. How to do this is detailed below.
-
 It is best if you have VIM >= 7.3, compiled with the `+conceal` option. With
 older versions, you will probably not see the parameter recommendation list
 for functions after typing the open bracket. Some platforms (including OS X
@@ -107,11 +98,7 @@ feature (such as MacVim on OS X, which also contains a console binary).
 ------------------------------------------------------------------------------
 2.1. Installing manually                *jedi-vim-installation-manually*
 
-1a. Get the latest repository from Github: >
-
-    git clone http://github.com/davidhalter/jedi-vim path/to/bundles/jedi-vim
-
-1b. If you want to install jedi as a submodule instead, issue this command: >
+1. If you want to install jedi as a submodule instead, issue this command: >
 
     git clone --recursive http://github.com/davidhalter/jedi-vim
 
@@ -161,8 +148,8 @@ repositories. On Arch Linux, install vim-jedi. On Debian (8+) or Ubuntu
 ==============================================================================
 3. Supported Python features            *jedi-vim-support*
 
-The Jedi library does all the hard work behind the scenes. It supports
-completion of a large number of Python features, among them:
+The Jedi library does all the hard work behind the scenes. It understands most
+Python features, among them:
 
 - Builtins
 - Multiple `return`s or `yield`s
@@ -185,10 +172,12 @@ completion of a large number of Python features, among them:
 - Simple/usual `sys.path` modifications
 - `isinstance` checks for `if`/`while`/`assert` case, that doesn’t work with
   Jedi
+- Stubs
 - And more...
 
 Note: This list is not necessarily up to date. For a complete list of
-features, please refer to the Jedi documentation at http://jedi.jedidjah.ch.
+features, please refer to the Jedi documentation at
+http://jedi.readthedocs.io.
 
 ==============================================================================
 4. Usage                                *jedi-vim-usage*
@@ -308,7 +297,7 @@ Default: <leader>r                      Rename variables
 
 Jedi-vim deletes the word currently under the cursor and puts Vim in insert
 mode, where the user is expected to enter the new variable name. Upon leaving
-insert mode, jedi-vim then renames all occurences of the old variable name
+insert mode, jedi-vim then renames all occurrences of the old variable name
 with the new one. The number of performed renames is displayed in the command
 line.
 
@@ -439,10 +428,10 @@ Default: 500
 
 You can make jedi-vim open a new tab if you use the "go to", "show
 definition", or "related names" commands. When you leave this at the default
-(0), they open in the current buffer instead.
+(0), they open in the current window instead.
 
 Options: 0 or 1
-Default: 0 (Command output is put in a new tab)
+Default: 0 (Command output reuses current window)
 
 ------------------------------------------------------------------------------
 6.9. `g:jedi#squelch_py_warning`        *g:jedi#squelch_py_warning*
@@ -480,33 +469,32 @@ small a horizontal split happens.
 ------------------------------------------------------------------------------
 6.12. `g:jedi#force_py_version`                *g:jedi#force_py_version*
 
-If you have installed both python 2 and python 3, you can force which one jedi
-should use by setting this variable. It forces the internal Vim command, which
-will be used for every jedi call to the respective python interpreter.
-The variable can be set in the .vimrc like this to force python 3:
+If you have installed multiple Python versions, you can force the Python
+version that is going to be used.
+You don't have to compile VIM with multiple Python versions.
+The variable can be set in the .vimrc like this to force python 2:
 
-let g:jedi#force_py_version = 3
+let g:jedi#force_py_version = 2
 
-This variable can be switched during runtime using the following function:
-Function: `jedi#force_py_version_switch()`
+By default jedi loads the latest Python version installed on your system that
+can be found.
 
-or set directly using this function, which has the same name as the variable:
-Function: `jedi#force_py_version(py_version)`
+This variable can be changed during runtime.
 
-Options: 2 or 3
-Default: "auto" (will use sys.version_info from "python" in your $PATH)
+Options: 2, 2.7, 3, 3.5, 3.6, ...
+Default: "auto"
 ------------------------------------------------------------------------------
 6.13. `g:jedi#smart_auto_mappings`                  *g:jedi#smart_auto_mappings*
 
 When you start typing `from module.name<space>` jedi-vim automatically
-adds the "import" statement and displays the autocomplete popup.
+can add the "import" statement and trigger the autocompletion popup.
 
-This option can be disabled in the .vimrc:
-
-`let g:jedi#smart_auto_mappings = 0`
+You can enable this using: >
 
+    let g:jedi#smart_auto_mappings = 1
+<
 Options: 0 or 1
-Default: 1 (enabled by default)
+Default: 0 (disabled by default)
 
 ------------------------------------------------------------------------------
 6.14. `g:jedi#use_tag_stack`                    *g:jedi#use_tag_stack*

doc/logotype-a.svg

@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 15.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="897.845px" height="247.51px" viewBox="0 0 897.845 247.51" enable-background="new 0 0 897.845 247.51"
+	 xml:space="preserve">
+<g>
+	<g>
+		<linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="287.3965" y1="65.2686" x2="287.3965" y2="106.4546">
+			<stop  offset="0" style="stop-color:#E27817"/>
+			<stop  offset="0.3906" style="stop-color:#E47519"/>
+			<stop  offset="0.7116" style="stop-color:#E96B1F"/>
+			<stop  offset="1" style="stop-color:#F15A29"/>
+		</linearGradient>
+		<polygon fill="url(#SVGID_1_)" points="285.068,66.556 272.054,95.664 302.739,95.664 302.739,66.556 		"/>
+		<linearGradient id="SVGID_2_" gradientUnits="userSpaceOnUse" x1="216.8877" y1="65.2686" x2="216.8877" y2="106.4546">
+			<stop  offset="0" style="stop-color:#E27817"/>
+			<stop  offset="0.3906" style="stop-color:#E47519"/>
+			<stop  offset="0.7116" style="stop-color:#E96B1F"/>
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+		<polygon fill="url(#SVGID_2_)" points="180.483,95.664 193.893,95.664 240.172,95.664 253.292,66.556 180.483,66.556 		"/>
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+		<path fill="#666666" d="M492.744,169.619V77.887h56.342l6.643,8.05v75.634l-6.579,8.049H492.744z M539.184,93.602h-28.811v60.303
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+</g>
+</svg>

ftplugin/python/jedi.vim

@@ -16,6 +16,9 @@ if g:jedi#auto_initialization
     if len(g:jedi#goto_definitions_command)
         execute 'nnoremap <buffer> '.g:jedi#goto_definitions_command.' :call jedi#goto_definitions()<CR>'
     endif
+    if len(g:jedi#goto_stubs_command)
+        execute 'nnoremap <buffer> '.g:jedi#goto_stubs_command.' :call jedi#goto_stubs()<CR>'
+    endif
     if len(g:jedi#usages_command)
         execute 'nnoremap <buffer> '.g:jedi#usages_command.' :call jedi#usages()<CR>'
     endif
@@ -47,4 +50,8 @@ if g:jedi#auto_initialization
             autocmd! InsertLeave <buffer> if pumvisible() == 0|pclose|endif
         augroup END
     endif
+    augroup jedi_usages
+        autocmd! TextChanged <buffer> call jedi#remove_usages()
+        autocmd! InsertEnter <buffer> call jedi#remove_usages()
+    augroup END
 endif

plugin/jedi.vim

@@ -15,6 +15,11 @@ if get(g:, 'jedi#auto_vim_configuration', 1)
     " jedi-vim really needs, otherwise jedi-vim cannot start.
     filetype plugin on
 
+    augroup jedi_pyi
+      au!
+      autocmd BufNewFile,BufRead *.pyi  set filetype=python
+    augroup END
+
     " Change completeopt, but only if it was not set already.
     " This gets done on VimEnter, since otherwise Vim fails to restore the
     " screen.  Neovim is not affected, this is likely caused by using
@@ -48,7 +53,21 @@ endif
 " Pyimport command
 command! -nargs=1 -complete=custom,jedi#py_import_completions Pyimport :call jedi#py_import(<q-args>)
 
-command! -nargs=0 -bar JediDebugInfo call jedi#debug_info()
+function! s:jedi_debug_info()
+    " Ensure the autoload file has been loaded (and ignore any errors, which
+    " will be displayed with the debug info).
+    let unset = {}
+    let saved_squelch_py_warning = get(g:, 'jedi#squelch_py_warning', unset)
+    let g:jedi#squelch_py_warning = 1
+    call jedi#init_python()
+    if saved_squelch_py_warning is unset
+        unlet g:jedi#squelch_py_warning
+    else
+        let g:jedi#squelch_py_warning = saved_squelch_py_warning
+    endif
+    call jedi#debug_info()
+endfunction
+command! -nargs=0 -bar JediDebugInfo call s:jedi_debug_info()
 command! -nargs=0 -bang JediClearCache call jedi#clear_cache(<bang>0)
 
 " vim: set et ts=4:

pytest.ini

@@ -1,3 +0,0 @@
-[pytest]
-# Ignore all files
-norecursedirs = *

pythonx/jedi_vim.py

@@ -25,6 +25,16 @@ else:
     ELLIPSIS = u"…"
 
 
+try:
+    # Somehow sys.prefix is set in combination with VIM and virtualenvs.
+    # However the sys path is not affected. Just reset it to the normal value.
+    sys.prefix = sys.base_prefix
+    sys.exec_prefix = sys.base_exec_prefix
+except AttributeError:
+    # If we're not in a virtualenv we don't care. Everything is fine.
+    pass
+
+
 class PythonToVimStr(unicode):
     """ Vim has a different string implementation of single quotes """
     __slots__ = []
@@ -73,11 +83,11 @@ def _catch_exception(string, is_eval):
 
 
 def vim_command(string):
-    _catch_exception(string, False)
+    _catch_exception(string, is_eval=False)
 
 
 def vim_eval(string):
-    return _catch_exception(string, True)
+    return _catch_exception(string, is_eval=True)
 
 
 def no_jedi_warning(error=None):
@@ -100,10 +110,9 @@ sys.path.insert(0, parso_path)
 
 try:
     import jedi
-except ImportError as e:
-    no_jedi_warning(str(e))
+except ImportError:
     jedi = None
-    jedi_import_error = str(e)
+    jedi_import_error = sys.exc_info()
 else:
     try:
         version = jedi.__version__
@@ -148,18 +157,68 @@ def _check_jedi_availability(show_error=False):
     return func_receiver
 
 
+current_environment = (None, None)
+
+
+def get_environment(use_cache=True):
+    global current_environment
+
+    vim_force_python_version = vim_eval("g:jedi#force_py_version")
+    if use_cache and vim_force_python_version == current_environment[0]:
+        return current_environment[1]
+
+    environment = None
+    if vim_force_python_version == "auto":
+        environment = jedi.api.environment.get_cached_default_environment()
+    else:
+        force_python_version = vim_force_python_version
+        if '0000' in force_python_version or '9999' in force_python_version:
+            # It's probably a float that wasn't shortened.
+            try:
+                force_python_version = "{:.1f}".format(float(force_python_version))
+            except ValueError:
+                pass
+        elif isinstance(force_python_version, float):
+            force_python_version = "{:.1f}".format(force_python_version)
+
+        try:
+            environment = jedi.get_system_environment(force_python_version)
+        except jedi.InvalidPythonEnvironment as exc:
+            environment = jedi.api.environment.get_cached_default_environment()
+            echo_highlight(
+                "force_python_version=%s is not supported: %s - using %s." % (
+                    vim_force_python_version, str(exc), str(environment)))
+
+    current_environment = (vim_force_python_version, environment)
+    return environment
+
+
+def get_known_environments():
+    """Get known Jedi environments."""
+    envs = list(jedi.api.environment.find_virtualenvs())
+    envs.extend(jedi.api.environment.find_system_environments())
+    return envs
+
+
 @catch_and_print_exceptions
 def get_script(source=None, column=None):
-    jedi.settings.additional_dynamic_modules = \
-        [b.name for b in vim.buffers if b.name is not None and b.name.endswith('.py')]
+    jedi.settings.additional_dynamic_modules = [
+        b.name for b in vim.buffers if (
+            b.name is not None and
+            b.name.endswith('.py') and
+            b.options['buflisted'])]
     if source is None:
         source = '\n'.join(vim.current.buffer)
     row = vim.current.window.cursor[0]
     if column is None:
         column = vim.current.window.cursor[1]
     buf_path = vim.current.buffer.name
-    encoding = vim_eval('&encoding') or 'latin1'
-    return jedi.Script(source, row, column, buf_path, encoding)
+
+    return jedi.Script(
+        source, row, column, buf_path,
+        encoding=vim_eval('&encoding') or 'latin1',
+        environment=get_environment(),
+    )
 
 
 @_check_jedi_availability(show_error=False)
@@ -173,7 +232,7 @@ def completions():
     if vim.eval('a:findstart') == '1':
         count = 0
         for char in reversed(vim.current.line[:column]):
-            if not re.match('[\w\d]', char):
+            if not re.match(r'[\w\d]', char):
                 break
             count += 1
         vim.command('return %i' % (column - count))
@@ -229,35 +288,30 @@ def tempfile(content):
     finally:
         os.unlink(f.name)
 
+
 @_check_jedi_availability(show_error=True)
 @catch_and_print_exceptions
-def goto(mode="goto", no_output=False):
+def goto(mode="goto"):
     """
-    :param str mode: "related_name", "definition", "assignment", "auto"
+    :param str mode: "definition", "assignment", "goto"
     :return: list of definitions/assignments
     :rtype: list
     """
     script = get_script()
     if mode == "goto":
-        definitions = [x for x in script.goto_definitions()
-                       if not x.in_builtin_module()]
-        if not definitions:
-            definitions = script.goto_assignments()
-    elif mode == "related_name":
-        definitions = script.usages()
+        definitions = script.goto_assignments(follow_imports=True)
     elif mode == "definition":
         definitions = script.goto_definitions()
     elif mode == "assignment":
         definitions = script.goto_assignments()
+    elif mode == "stubs":
+        definitions = script.goto_assignments(follow_imports=True, only_stubs=True)
 
-
-    if no_output:
-        return definitions
     if not definitions:
         echo_highlight("Couldn't find any definitions for this.")
     elif len(definitions) == 1 and mode != "related_name":
         d = list(definitions)[0]
-        if d.in_builtin_module():
+        if d.column is None:
             if d.is_keyword:
                 echo_highlight("Cannot get the definition of Python keywords.")
             else:
@@ -270,10 +324,12 @@ def goto(mode="goto", no_output=False):
                                     using_tagstack=using_tagstack)
                 if not result:
                     return []
-            if d.module_path and os.path.exists(d.module_path) and using_tagstack:
+            if (using_tagstack and d.module_path and
+                    os.path.exists(d.module_path)):
                 tagname = d.name
-                with tempfile('{0}\t{1}\t{2}'.format(tagname, d.module_path,
-                        'call cursor({0}, {1})'.format(d.line, d.column + 1))) as f:
+                with tempfile('{0}\t{1}\t{2}'.format(
+                        tagname, d.module_path, 'call cursor({0}, {1})'.format(
+                            d.line, d.column + 1))) as f:
                     old_tags = vim.eval('&tags')
                     old_wildignore = vim.eval('&wildignore')
                     try:
@@ -289,32 +345,81 @@ def goto(mode="goto", no_output=False):
                                     repr(PythonToVimStr(old_wildignore)))
             vim.current.window.cursor = d.line, d.column
     else:
-        # multiple solutions
-        lst = []
-        for d in definitions:
-            if d.in_builtin_module():
-                lst.append(dict(text=PythonToVimStr('Builtin ' + d.description)))
-            elif d.module_path is None:
-                # Typically a namespace, in the future maybe other things as
-                # well.
-                lst.append(dict(text=PythonToVimStr(d.description)))
-            else:
-                lst.append(dict(filename=PythonToVimStr(d.module_path),
-                                lnum=d.line, col=d.column + 1,
-                                text=PythonToVimStr(d.description)))
-        vim_eval('setqflist(%s)' % repr(lst))
-        vim_eval('jedi#add_goto_window(' + str(len(lst)) + ')')
+        show_goto_multi_results(definitions)
     return definitions
 
 
+def relpath(path):
+    """Make path relative to cwd if it is below."""
+    abspath = os.path.abspath(path)
+    if abspath.startswith(os.getcwd()):
+        return os.path.relpath(path)
+    return path
+
+
+def annotate_description(d):
+    code = d.get_line_code().strip()
+    if d.type == 'statement':
+        return code
+    if d.type == 'function':
+        if code.startswith('def'):
+            return code
+        typ = 'def'
+    else:
+        typ = d.type
+    return '[%s] %s' % (typ, code)
+
+
+def show_goto_multi_results(definitions):
+    """Create a quickfix list for multiple definitions."""
+    lst = []
+    for d in definitions:
+        if d.column is None:
+            # Typically a namespace, in the future maybe other things as
+            # well.
+            lst.append(dict(text=PythonToVimStr(d.description)))
+        else:
+            text = annotate_description(d)
+            lst.append(dict(filename=PythonToVimStr(relpath(d.module_path)),
+                            lnum=d.line, col=d.column + 1,
+                            text=PythonToVimStr(text)))
+    vim_eval('setqflist(%s)' % repr(lst))
+    vim_eval('jedi#add_goto_window(' + str(len(lst)) + ')')
+
+
+@catch_and_print_exceptions
+def usages(visuals=True):
+    script = get_script()
+    definitions = script.usages()
+    if not definitions:
+        echo_highlight("No usages found here.")
+        return definitions
+
+    if visuals:
+        highlight_usages(definitions)
+        show_goto_multi_results(definitions)
+    return definitions
+
+
+def highlight_usages(definitions, length=None):
+    for definition in definitions:
+        # Only color the current module/buffer.
+        if (definition.module_path or '') == vim.current.buffer.name:
+            # mathaddpos needs a list of positions where a position is a list
+            # of (line, column, length).
+            # The column starts with 1 and not 0.
+            positions = [
+                [definition.line, definition.column + 1, length or len(definition.name)]
+            ]
+            vim_eval("matchaddpos('jediUsage', %s)" % repr(positions))
+
+
 @_check_jedi_availability(show_error=True)
 @catch_and_print_exceptions
 def show_documentation():
     script = get_script()
     try:
         definitions = script.goto_definitions()
-    except jedi.NotFoundError:
-        definitions = []
     except Exception:
         # print to stdout, will be in :messages
         definitions = []
@@ -375,6 +480,7 @@ def show_call_signatures(signatures=()):
     if int(vim_eval("g:jedi#show_call_signatures")) == 2:
         return cmdline_call_signatures(signatures)
 
+    seen_sigs = []
     for i, signature in enumerate(signatures):
         line, column = signature.bracket_start
         # signatures are listed above each other
@@ -389,13 +495,19 @@ def show_call_signatures(signatures=()):
         line = vim_eval("getline(%s)" % line_to_replace)
 
         # Descriptions are usually looking like `param name`, remove the param.
-        params = [p.description.replace('\n', '').replace('param ', '', 1) for p in signature.params]
+        params = [p.description.replace('\n', '').replace('param ', '', 1)
+                  for p in signature.params]
         try:
             # *_*PLACEHOLDER*_* makes something fat. See after/syntax file.
             params[signature.index] = '*_*%s*_*' % params[signature.index]
         except (IndexError, TypeError):
             pass
 
+        # Skip duplicates.
+        if params in seen_sigs:
+            continue
+        seen_sigs.append(params)
+
         # This stuff is reaaaaally a hack! I cannot stress enough, that
         # this is a stupid solution. But there is really no other yet.
         # There is no possibility in VIM to draw on the screen, but there
@@ -528,8 +640,14 @@ def rename():
         vim_command('augroup END')
 
         vim_command("let s:jedi_replace_orig = expand('<cword>')")
+        line = vim_eval('getline(".")')
         vim_command('normal! diw')
-        vim_command('startinsert')
+        if re.match(r'\w+$', line[cursor[1]:]):
+            # In case the deleted word is at the end of the line we need to
+            # move the cursor to the end.
+            vim_command('startinsert!')
+        else:
+            vim_command('startinsert')
 
     else:
         # Remove autocommand.
@@ -573,7 +691,7 @@ def do_rename(replace, orig=None):
     saved_tab = int(vim_eval('tabpagenr()'))
     saved_win = int(vim_eval('winnr()'))
 
-    temp_rename = goto(mode="related_name", no_output=True)
+    temp_rename = usages(visuals=False)
     # Sort the whole thing reverse (positions at the end of the line
     # must be first, because they move the stuff before the position).
     temp_rename = sorted(temp_rename, reverse=True,
@@ -587,20 +705,16 @@ def do_rename(replace, orig=None):
             assert r.module_path is not None
             result = new_buffer(r.module_path)
             if not result:
-                echo_highlight("Jedi-vim: failed to create buffer window for {0}!".format(r.module_path))
+                echo_highlight('Failed to create buffer window for %s!' % (
+                    r.module_path))
                 continue
 
         buffers.add(vim.current.buffer.name)
 
-        # Save view.
-        saved_view = vim_eval('string(winsaveview())')
-
         # Replace original word.
-        vim.current.window.cursor = (r.line, r.column)
-        vim_command('normal! c{0:d}l{1}'.format(len(orig), replace))
-
-        # Restore view.
-        vim_command('call winrestview(%s)' % saved_view)
+        r_line = vim.current.buffer[r.line - 1]
+        vim.current.buffer[r.line - 1] = (r_line[:r.column] + replace +
+                                          r_line[r.column + len(orig):])
 
     # Restore previous tab and window.
     vim_command('tabnext {0:d}'.format(saved_tab))
@@ -620,13 +734,13 @@ def py_import():
     args = shsplit(vim.eval('a:args'))
     import_path = args.pop()
     text = 'import %s' % import_path
-    scr = jedi.Script(text, 1, len(text), '')
+    scr = jedi.Script(text, 1, len(text), '', environment=get_environment())
     try:
         completion = scr.goto_assignments()[0]
     except IndexError:
         echo_highlight('Cannot find %s in sys.path!' % import_path)
     else:
-        if completion.in_builtin_module():
+        if completion.column is None:  # Python modules always have a line number.
             echo_highlight('%s is a builtin module.' % import_path)
         else:
             cmd_args = ' '.join([a.replace(' ', '\\ ') for a in args])
@@ -643,7 +757,7 @@ def py_import_completions():
         comps = []
     else:
         text = 'import %s' % argl
-        script = jedi.Script(text, 1, len(text), '')
+        script = jedi.Script(text, 1, len(text), '', environment=get_environment())
         comps = ['%s%s' % (argl, c.complete) for c in script.completions()]
     vim.command("return '%s'" % '\n'.join(comps))
 

pythonx/jedi_vim_debug.py

@@ -1,44 +1,87 @@
 """Used in jedi-vim's jedi#debug_info()"""
+import sys
+
+import vim
+from jedi_vim import PythonToVimStr
+
+
+def echo(msg):
+    vim.command('echo %r' % PythonToVimStr(msg))
+
+
+def echo_error(msg):
+    vim.command('echohl ErrorMsg')
+    echo(msg)
+    vim.command('echohl None')
+
+
+def format_exc_info(exc_info=None, tb_indent=2):
+    import traceback
+
+    if exc_info is None:
+        exc_info = sys.exc_info()
+
+    exc_msg = traceback.format_exception_only(exc_info[0], exc_info[1])
+    lines = ''.join(exc_msg).rstrip('\n').split('\n')
+
+    lines.append('Traceback (most recent call last):')
+    tb = traceback.format_tb(exc_info[2])
+    lines.extend(''.join(tb).rstrip('\n').split('\n'))
+
+    indent = ' ' * tb_indent
+    return '{0}'.format(('\n' + indent).join(lines))
 
 
 def display_debug_info():
-    import vim
-
-    def echo(msg):
-        vim.command('echo {0}'.format(msg))
-
-    echo("printf(' - sys.version: `%s`', {0!r})".format(
+    echo(' - global sys.version: `{0}`'.format(
         ', '.join([x.strip()
-                   for x in __import__('sys').version.split('\n')])))
-    echo("printf(' - site module: `%s`', {0!r})".format(
-        __import__('site').__file__))
+                   for x in sys.version.split('\n')])))
+    echo(' - global site module: `{0}`'.format(__import__('site').__file__))
 
     try:
         import jedi_vim
-    except Exception as e:
-        echo("printf('ERROR: jedi_vim is not available: %s: %s', "
-             "{0!r}, {1!r})".format(e.__class__.__name__, str(e)))
+    except Exception:
+        echo_error('ERROR: could not import jedi_vim: {0}'.format(
+            format_exc_info()))
         return
 
-    try:
-        if jedi_vim.jedi is None:
-            echo("'ERROR: could not import the \"jedi\" Python module.'")
-            echo("printf('       The error was: %s', {0!r})".format(
-                getattr(jedi_vim, "jedi_import_error", "UNKNOWN")))
+    if jedi_vim.jedi is None:
+        if hasattr(jedi_vim, 'jedi_import_error'):
+            error_msg = format_exc_info(jedi_vim.jedi_import_error)
         else:
-            echo("printf('Jedi path: `%s`', {0!r})".format(
-                jedi_vim.jedi.__file__))
-            echo("printf(' - version: %s', {0!r})".format(
-                jedi_vim.jedi.__version__))
-            echo("' - sys_path:'")
+            error_msg = 'unknown error'
+        echo_error('ERROR: could not import the "jedi" Python module: {0}'.format(
+            error_msg))
+    else:
+        echo('\n##### Jedi\n\n - path: `{0}`'.format(jedi_vim.jedi.__file__))
+        echo(' - version: {0}'.format(jedi_vim.jedi.__version__))
 
+        try:
+            environment = jedi_vim.get_environment(use_cache=False)
+        except AttributeError:
             script_evaluator = jedi_vim.jedi.Script('')._evaluator
             try:
                 sys_path = script_evaluator.project.sys_path
             except AttributeError:
                 sys_path = script_evaluator.sys_path
-            for p in sys_path:
-                echo("printf('    - `%s`', {0!r})".format(p))
-    except Exception as e:
-        echo("printf('There was an error accessing jedi_vim.jedi: %s', "
-             "{0!r})".format(e))
+        else:
+            echo('\n##### Jedi environment: {0}\n\n'.format(environment))
+            echo(' - executable: {0}'.format(environment.executable))
+            try:
+                sys_path = environment.get_sys_path()
+            except Exception:
+                echo_error('ERROR: failed to get sys path from environment: {0}'.format(
+                    format_exc_info()))
+                return
+
+        echo(' - sys_path:')
+        for p in sys_path:
+            echo('    - `{0}`'.format(p))
+
+        if environment:
+            echo('\n##### Known environments\n\n')
+            for environment in jedi_vim.get_known_environments():
+                echo(' - {0} ({1})\n'.format(
+                    environment,
+                    environment.executable,
+                ))

setup.cfg

@@ -0,0 +1,5 @@
+[tool:pytest]
+testpaths = test
+
+[flake8]
+max-line-length = 100

test/completions.vim

@@ -1,71 +0,0 @@
-let g:jedi#completions_command = 'X'
-source plugin/jedi.vim
-
-describe 'completions'
-    before
-        new
-        set filetype=python
-    end
-
-    after
-        " default
-        let g:jedi#popup_select_first = 1
-        bd!
-    end
-
-    it 'smart import'
-        exec "normal ifrom os "
-        Expect getline('.') == 'from os import '
-    end
-
-    it 'no smart import after space'
-        exec "normal! ifrom os "
-        exec "normal  a "
-        Expect getline('.') == 'from os  '
-    end
-
-    it 'import'
-        " X is the completion command
-        normal oimporX
-        Expect getline('.') == 'import'
-        normal a subproX
-        Expect getline('.') == 'import subprocess'
-    end
-
-    it 'exception'
-        normal oIndentationErrX
-        Expect getline('.') == 'IndentationError'
-        normal a().filenaX
-        Expect getline('.') == 'IndentationError().filename'
-    end
-
-    it 'multi complete'
-        normal oImpXErrX()
-        Expect getline('.') == 'ImportError()'
-    end
-
-    it 'cycling through entries popup_select_first=0'
-        let g:jedi#popup_select_first = 0
-        execute "normal oraise impX\<C-n>"
-        " It looks like this is currently not working properly.
-        "Expect getline('.') == 'raise ImportError'
-    end
-
-    it 'cycling through entries popup_select_first=1'
-        execute "normal oraise impX\<C-n>"
-        Expect getline('.') == 'raise ImportWarning'
-    end
-
-    it 'longest'
-        " -longest completes the first one
-        set completeopt -=longest
-        execute "normal oraise baseX"
-        Expect getline('.') == 'raise BaseException'
-        set completeopt +=longest
-    end
-
-    it 'dot_open'
-    end
-end
-
-" vim: et:ts=4:sw=4

test/test_integration.py

@@ -0,0 +1,65 @@
+"""Runs tests from ./vspec in vim-vspec."""
+import os
+import subprocess
+try:
+    from urllib.request import urlretrieve
+except ImportError:
+    from urllib import urlretrieve
+import zipfile
+
+import pytest
+
+vspec_version = '1.8.1'
+
+VSPEC_URL = 'https://github.com/kana/vim-vspec/archive/%s.zip' % vspec_version
+root = os.path.dirname(os.path.dirname(__file__))
+CACHE_FOLDER = os.path.join(root, 'build')
+VSPEC_FOLDER = os.path.join(CACHE_FOLDER, 'vim-vspec-%s' % vspec_version)
+VSPEC_RUNNER = os.path.join(VSPEC_FOLDER, 'bin/vspec')
+TEST_DIR = os.path.join(root, 'test', 'vspec')
+
+
+@pytest.fixture(scope='session')
+def install_vspec(request):
+    if not os.path.isdir(CACHE_FOLDER):
+        os.mkdir(CACHE_FOLDER)
+
+    if not os.path.exists(VSPEC_FOLDER):
+        name, hdrs = urlretrieve(VSPEC_URL)
+        z = zipfile.ZipFile(name)
+        for n in z.namelist():
+            dest = os.path.join(CACHE_FOLDER, n)
+            destdir = os.path.dirname(dest)
+            if not os.path.isdir(destdir):
+                os.makedirs(destdir)
+            data = z.read(n)
+            if not os.path.isdir(dest):
+                with open(dest, 'wb') as f:
+                    f.write(data)
+        z.close()
+        os.chmod(VSPEC_RUNNER, 0o777)
+
+
+def get_vspec_tests():
+    for f in os.listdir(TEST_DIR):
+        yield os.path.relpath(os.path.join(TEST_DIR, f))
+
+
+@pytest.mark.parametrize('path', get_vspec_tests())
+def test_integration(install_vspec, path):
+    output = subprocess.check_output(
+        [VSPEC_RUNNER, '.', VSPEC_FOLDER, os.path.relpath(path, root)],
+        cwd=root,
+    )
+    had_ok = False
+    for line in output.splitlines():
+        if (line.startswith(b'not ok') or
+                line.startswith(b'Error') or
+                line.startswith(b'Bail out!')):
+            pytest.fail(u"{0} failed:\n{1}".format(
+                path, output.decode('utf-8')), pytrace=False)
+        if not had_ok and line.startswith(b'ok'):
+            had_ok = True
+    if not had_ok:
+        pytest.fail(u"{0} failed: no 'ok' found:\n{1}".format(
+            path, output.decode('utf-8')), pytrace=False)

test/vimrc

@@ -0,0 +1,8 @@
+" Minimal vimrc to use jedi-vim.
+"
+" Not used anywhere yet, but allows for easy testing.
+let script_dir = fnamemodify(expand('<sfile>'), ':h:h')
+let &runtimepath = script_dir.','.&runtimepath.','.script_dir.'/after'
+
+syntax on
+filetype plugin indent on

test/vspec/completions.vim

@@ -0,0 +1,131 @@
+let g:jedi#completions_command = 'X'
+source plugin/jedi.vim
+
+describe 'completions'
+    before
+        new
+        set filetype=python
+    end
+
+    after
+        " default
+        let g:jedi#popup_select_first = 1
+        bd!
+    end
+
+    it 'longest in completeopt'
+        " This gets set up with Vim only on VimEnter.
+        if has('nvim')
+            Expect stridx(&completeopt, 'longest') > -1
+        else
+            Expect stridx(&completeopt, 'longest') == -1
+            doautocmd VimEnter
+            Expect stridx(&completeopt, 'longest') > -1
+        endif
+
+        " Do not use it for following tests.
+        set completeopt-=longest
+    end
+
+    it 'no smart import by default'
+        exec "normal ifrom os "
+        Expect getline('.') == 'from os '
+    end
+
+    it 'import'
+        " X is the completion command
+        normal oimporX
+        Expect getline('.') == 'import'
+        normal a subproX
+        Expect getline('.') == 'import subprocess'
+    end
+
+    it 'exception'
+        normal oIndentationErrX
+        Expect getline('.') == 'IndentationError'
+
+        " Do not remap keys (".") here, otherwise this triggers completion in
+        " Neovim already.
+        normal! a().filena
+
+        normal aX
+        Expect getline('.') == 'IndentationError().filename'
+    end
+
+    it 'multi complete'
+        " NOTE: nvim results in "importErr()" here with completeopt+=longest,
+        " but Vim is fine.
+        " This is due to `pumvisible()` in jedi#complete_opened being true
+        " with nvim still, but it is 0 with Vim, i.e. Vim appears to close
+        " the pum already (with the tests).
+        "
+        " This might be a misunderstanding though, since the test might not
+        " expect the "import" keyword to be offered for completion?!
+        normal oImpXErrX()
+        Expect getline('.') == 'ImportError()'
+    end
+
+    it 'cycling through entries popup_select_first=0'
+        set completeopt+=longest
+        let g:jedi#popup_select_first = 0
+        execute "normal oraise impX\<C-n>"
+
+        Expect getline('.') == 'raise ImportError'
+        set completeopt-=longest
+    end
+
+    it 'cycling through entries popup_select_first=1'
+        execute "normal oraise impX\<C-n>"
+        Expect getline('.') == 'raise ImportWarning'
+    end
+
+    it 'cycling through entries popup_select_first=1 and longest'
+        set completeopt+=longest
+        execute "normal oraise impX"
+        Expect getline('.') == 'raise Import'
+
+        " With Neovim pumvisible() is 1 in jedi#complete_opened, which then
+        " triggers the <Down>.  This is not the case with Vim.
+        if has('nvim')
+            execute "normal oraise impX\<C-n>"
+            Expect getline('.') == 'raise ImportWarning'
+
+            execute "normal oraise impX\<C-n>\<C-n>"
+            Expect getline('.') == 'raise imp'
+        else
+            execute "normal oraise impX\<C-n>"
+            Expect getline('.') == 'raise ImportError'
+
+            execute "normal oraise impX\<C-n>\<C-n>"
+            Expect getline('.') == 'raise ImportWarning'
+        endif
+        set completeopt-=longest
+    end
+end
+
+describe 'smart completions'
+    before
+        new
+        let g:jedi#smart_auto_mappings = 1
+        set filetype=python
+    end
+
+    after
+        " default
+        let g:jedi#smart_auto_mappings = 0
+        bd!
+    end
+
+    it 'smart import'
+        exec "normal ifrom os "
+        Expect getline('.') == 'from os import '
+    end
+
+    it 'no smart import after space'
+        exec "normal! ifrom os "
+        exec "normal  a "
+        Expect getline('.') == 'from os  '
+    end
+end
+
+" vim: et:ts=4:sw=4

test/vspec/completions_disabled.vim

@@ -4,12 +4,11 @@ source plugin/jedi.vim
 
 describe 'completions_disabled'
     before
-        new
         set filetype=python
     end
 
     after
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'typing'

test/vspec/documentation.vim

@@ -6,11 +6,11 @@ describe 'documentation docstrings'
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'simple'
+        Expect maparg('K') == ':call jedi#show_documentation()<CR>'
         put = 'ImportError'
         normal GK
         Expect bufname('%') == "__doc__"

test/vspec/goto.vim

@@ -1,10 +1,10 @@
 let mapleader = '\'
 source plugin/jedi.vim
-source test/utils.vim
+source test/_utils.vim
 
-describe 'goto simple'
+describe 'goto simple:'
     before
-        new  " open a new split
+        new
         set filetype=python
         put =[
         \   'def a(): pass',
@@ -22,77 +22,78 @@ describe 'goto simple'
 
     it 'goto definitions'
         normal \d
-        Expect line('.') == 1
-        Expect col('.') == 5
+        Expect line('.') == 2
+        Expect col('.') == 1
     end
 
     it 'goto assignments'
-        silent normal \g
+        normal \g
         Expect line('.') == 2
         Expect col('.') == 1
 
         " cursor before `=` means that it stays there.
-        silent normal \g
+        normal \g
         Expect line('.') == 2
         Expect col('.') == 1
 
         " going to the last line changes it.
         normal! $
-        silent normal \g
+        normal \g
         Expect line('.') == 1
         Expect col('.') == 5
     end
 end
 
 
-describe 'goto with tabs'
+describe 'goto with tabs:'
     before
         set filetype=python
         let g:jedi#use_tabs_not_buffers = 1
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'follow import'
         put = ['import subprocess', 'subprocess']
-        silent normal G\g
+        normal G\g
         Expect getline('.') == 'import subprocess'
         Expect line('.') == 2
         Expect col('.') == 8
 
-        silent normal G\d
+        normal G\d
         Expect CurrentBufferIsModule('subprocess') == 1
         Expect line('.') == 1
         Expect col('.') == 1
         Expect tabpagenr('$') == 2
         Expect winnr('$') == 1
-        tabprevious
+        bwipe
+
+        Expect tabpagenr('$') == 1
         Expect bufname('%') == ''
     end
 
-    it 'multi definitions'
-        " This used to behave differently. Now we don't have any real multi
-        " definitions.
-
-        " put = ['import tokenize']
-        " silent normal G$\d
-        " Expect CurrentBufferIsModule('tokenize') == 1
-        " Expect CurrentBufferIsModule('token') == 0
-        " execute "normal \<CR>"
-        " Expect tabpagenr('$') == 2
-        " Expect winnr('$') == 1
-        " Expect CurrentBufferIsModule('token') == 1
-
-        " bd
-        " silent normal G$\d
-        " execute "normal j\<CR>"
-        " Expect tabpagenr('$') == 2
-        " Expect winnr('$') == 1
-        " Expect CurrentBufferIsModule('tokenize') == 1
-    end
+    " it 'multi definitions'
+    "     " This used to behave differently. Now we don't have any real multi
+    "     " definitions.
+    "
+    "     " put = ['import tokenize']
+    "     " normal G$\d
+    "     " Expect CurrentBufferIsModule('tokenize') == 1
+    "     " Expect CurrentBufferIsModule('token') == 0
+    "     " execute "normal \<CR>"
+    "     " Expect tabpagenr('$') == 2
+    "     " Expect winnr('$') == 1
+    "     " Expect CurrentBufferIsModule('token') == 1
+    "
+    "     " bd
+    "     " normal G$\d
+    "     " execute "normal j\<CR>"
+    "     " Expect tabpagenr('$') == 2
+    "     " Expect winnr('$') == 1
+    "     " Expect CurrentBufferIsModule('tokenize') == 1
+    " end
 end
 
 
@@ -103,8 +104,7 @@ describe 'goto with buffers'
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
         set nohidden
     end
 
@@ -125,47 +125,47 @@ describe 'goto with buffers'
         Expect col('.') == 1
     end
 
-    it 'multi definitions'
-        " set hidden
-        " put = ['import tokenize']
-        " silent normal G$\d
-        " Expect CurrentBufferIsModule('tokenize') == 0
-        " Expect CurrentBufferIsModule('token') == 0
-        " execute "normal \<CR>"
-        " Expect tabpagenr('$') == 1
-        " Expect winnr('$') == 1
-        " Expect CurrentBufferIsModule('token') == 1
-
-        " bd
-        " silent normal G$\d
-        " execute "normal j\<CR>"
-        " Expect tabpagenr('$') == 1
-        " Expect winnr('$') == 1
-        " Expect CurrentBufferIsModule('tokenize') == 1
-    end
+    " it 'multi definitions'
+    "     " set hidden
+    "     " put = ['import tokenize']
+    "     " normal G$\d
+    "     " Expect CurrentBufferIsModule('tokenize') == 0
+    "     " Expect CurrentBufferIsModule('token') == 0
+    "     " execute "normal \<CR>"
+    "     " Expect tabpagenr('$') == 1
+    "     " Expect winnr('$') == 1
+    "     " Expect CurrentBufferIsModule('token') == 1
+    "
+    "     " bd
+    "     " normal G$\d
+    "     " execute "normal j\<CR>"
+    "     " Expect tabpagenr('$') == 1
+    "     " Expect winnr('$') == 1
+    "     " Expect CurrentBufferIsModule('tokenize') == 1
+    " end
 end
 
 
 
 describe 'goto with splits'
     before
+        enew!
         set filetype=python
         let g:jedi#use_splits_not_buffers = 'left'
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'follow import'
         put = ['import subprocess', 'subprocess']
-        silent normal G\g
+        normal G\g
         Expect getline('.') == 'import subprocess'
         Expect line('.') == 2
         Expect col('.') == 8
 
-        silent normal G\d
+        normal G\d
         Expect CurrentBufferIsModule('subprocess') == 1
         Expect line('.') == 1
         Expect col('.') == 1
@@ -179,6 +179,7 @@ end
 
 describe 'goto wildignore'
     before
+        enew!
         set filetype=python
         set wildignore=*,with\ spaces,*.pyc
         set hidden
@@ -189,12 +190,11 @@ describe 'goto wildignore'
 
         put = ['from subprocess import Popen', 'Popen']
         Expect CurrentBufferIsModule('subprocess') == 0
-        silent normal G
+        normal G
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
         set wildignore&vim
     end
 

test/vspec/pyimport.vim

@@ -1,5 +1,5 @@
 source plugin/jedi.vim
-source test/utils.vim
+source test/_utils.vim
 
 describe 'pyimport'
     before
@@ -7,8 +7,7 @@ describe 'pyimport'
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'open_tab'

test/vspec/signatures.vim

@@ -2,22 +2,19 @@ source plugin/jedi.vim
 
 describe 'signatures'
     before
+        enew
         set filetype=python
     end
 
     after
-        bd!
-        bd!
+        try | %bwipeout! | catch | endtry
     end
 
     it 'simple'
         normal odef xyz(number): return
         normal o
-        normal oxyz( 
-        normal G$
-        " equals doautocmd CursorMovedI
-        Python jedi_vim.show_call_signatures()
-
+        normal oxyz()
+        doautocmd CursorHoldI
         Expect getline(3) == '?!?jedi=0, ?!?   (*_*number*_*) ?!?jedi?!?'
 
         doautocmd InsertLeave
@@ -37,19 +34,18 @@ describe 'signatures'
         autocmd jedi_call_signatures * <buffer>
         redir END
         Expect autocmds =~# 'jedi_call_signatures'
-        bd!
     end
 
     it 'simple after CursorHoldI with only parenthesis'
         noautocmd normal o
         doautocmd CursorHoldI
-        noautocmd normal istr( 
+        noautocmd normal istaticmethod()
         doautocmd CursorHoldI
-        Expect getline(1) == '?!?jedi=0, ?!?   (*_*object*_*) ?!?jedi?!?'
+        Expect getline(1) == '?!?jedi=0, ?!?            (*_*f: Callable*_*) ?!?jedi?!?'
     end
 
     it 'no signature'
-        normal ostr 
+        exe 'normal ostr '
         Python jedi_vim.show_call_signatures()
         Expect getline(1, '$') == ['', 'str ']
     end
@@ -57,7 +53,7 @@ describe 'signatures'
     it 'signatures disabled'
         let g:jedi#show_call_signatures = 0
 
-        normal ostr( 
+        exe 'normal ostr( '
         Python jedi_vim.show_call_signatures()
         Expect getline(1, '$') == ['', 'str( ']
 
@@ -68,19 +64,19 @@ describe 'signatures'
         let g:jedi#show_call_signatures = 2
         call jedi#configure_call_signatures()
 
-        normal ostr( 
+        exe 'normal ostaticmethod( '
         redir => msg
         Python jedi_vim.show_call_signatures()
         redir END
-        Expect msg == "\nstr(object)"
+        Expect msg == "\nstaticmethod(f: Callable)"
 
         redir => msg
-        doautocmd InsertLeave 
+        doautocmd InsertLeave
         redir END
         Expect msg == "\n"
 
         normal Sdef foo(a, b): pass
-        normal ofoo(a, b, c, 
+        exe 'normal ofoo(a, b, c, '
         redir => msg
         Python jedi_vim.show_call_signatures()
         redir END
@@ -98,25 +94,25 @@ describe 'signatures'
             return msg
         endfunction
 
-        let funcname = repeat('a', &columns - 30)
+        let funcname = repeat('a', &columns - (30 + (&ruler ? 18 : 0)))
         put = 'def '.funcname.'(arg1, arg2, arg3, a, b, c):'
         put = '    pass'
-        execute "normal o".funcname."( "
+        execute "normal o\<BS>".funcname."( "
         Expect Signature() == "\n".funcname."(arg1, …)"
 
-        normal sarg1, 
+        exe 'normal sarg1, '
         Expect Signature() == "\n".funcname."(…, arg2, …)"
 
-        normal sarg2, arg3, 
+        exe 'normal sarg2, arg3, '
         Expect Signature() == "\n".funcname."(…, a, b, c)"
 
-        normal sa, b, 
+        exe 'normal sa, b, '
         Expect Signature() == "\n".funcname."(…, c)"
 
         g/^/d
         put = 'def '.funcname.'('.repeat('b', 20).', arg2):'
         put = '    pass'
-        execute "normal o".funcname."( "
+        execute "normal o\<BS>".funcname."( "
         Expect Signature() == "\n".funcname."(…)"
     end
 
@@ -124,7 +120,7 @@ describe 'signatures'
         let g:jedi#show_call_signatures = 2
         call jedi#configure_call_signatures()
 
-        normal ostr 
+        exe 'normal ostr '
         redir => msg
         Python jedi_vim.show_call_signatures()
         redir END

test_integration.py

@@ -1,2 +0,0 @@
-def test_integration(case, monkeypatch, pytestconfig):
-    case.run()