added a way to disable completions, as mentioned in #166

ftplugin/python/jedi.vim

@@ -8,10 +8,10 @@ endif
 " ------------------------------------------------------------------------
 
 if g:jedi#auto_initialization
+    if g:jedi#completions_enabled
         setlocal omnifunc=jedi#completions
 
         " map ctrl+space for autocompletion
-
         if g:jedi#completions_command == "<C-Space>"
             " in terminals, <C-Space> sometimes equals <Nul>
             inoremap <expr> <Nul> pumvisible() \|\| &omnifunc == '' ?
@@ -23,6 +23,7 @@ if g:jedi#auto_initialization
         if g:jedi#completions_command != ""
             execute "inoremap <buffer>".g:jedi#completions_command." <C-X><C-O>"
         endif
+    endif
 
     " goto / get_definition / usages
     if g:jedi#goto_assignments_command != ''

plugin/jedi.vim

@@ -59,7 +59,8 @@ let s:settings = {
     \ 'call_signature_escape': "'≡'",
     \ 'auto_close_doc': 1,
     \ 'popup_select_first': 1,
-    \ 'quickfix_window_height': 10
+    \ 'quickfix_window_height': 10,
+    \ 'completions_enabled': 1
 \ }
 
 for [key, val] in items(s:settings)
@@ -76,7 +77,9 @@ if g:jedi#auto_initialization
     " this is only here because in some cases the VIM library adds their
     " autocompletion as a default, which may cause problems, depending on the
     " order of invocation.
+    if g:jedi#completions_enabled
         autocmd FileType Python setlocal omnifunc=jedi#completions switchbuf=useopen  " needed for documentation/pydoc
+    endif
 endif
 
 

test/completions.vim

@@ -8,7 +8,7 @@ describe 'completions'
     end
 
     after
-        close!
+        bd!
     end
 
     it 'import'