Implement :JediChooseEnvironment

autoload/jedi.vim

@@ -424,6 +424,10 @@ function! jedi#py_import(args) abort
     PythonJedi jedi_vim.py_import()
 endfun
 
+function! jedi#choose_environment(args) abort
+    PythonJedi jedi_vim.choose_environment()
+endfun
+
 function! jedi#py_import_completions(argl, cmdl, pos) abort
     PythonJedi jedi_vim.py_import_completions()
 endfun

plugin/jedi.vim

@@ -53,6 +53,9 @@ endif
 " Pyimport command
 command! -nargs=1 -complete=custom,jedi#py_import_completions Pyimport :call jedi#py_import(<q-args>)
 
+command! -nargs=? -complete=file JediChooseEnvironment :call jedi#choose_environment(<q-args>)
+
+
 function! s:jedi_debug_info()
     " Ensure the autoload file has been loaded (and ignore any errors, which
     " will be displayed with the debug info).

pythonx/jedi_vim.py

@@ -240,11 +240,25 @@ def get_project():
     return project
 
 
-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
+def choose_environment():
+    args = shsplit(vim.eval('a:args'))
+
+    envs = list(jedi.find_system_environments())
+    envs.extend(jedi.find_virtualenvs(paths=args or None))
+
+    env_paths = [env.executable for env in envs]
+
+    vim_command('belowright new')
+    vim.current.buffer[:] = env_paths
+    vim.current.buffer.name = "Hit Enter to Choose an Environment"
+    vim_command('setlocal buftype=nofile bufhidden=hide noswapfile readonly nomodifiable')
+    vim_command('noremap <buffer> <ESC> :bd<CR>')
+    vim_command('noremap <buffer> <CR> :PythonJedi jedi_vim.choose_environment_hit_enter()<CR>')
+
+
+def choose_environment_hit_enter():
+    vim.vars['jedi#environment_path'] = vim.current.line
+    vim_command('bd')
 
 
 @catch_and_print_exceptions