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

ftplugin/python/jedi.vim

@@ -8,20 +8,21 @@ endif
 " ------------------------------------------------------------------------
 
 if g:jedi#auto_initialization
-    setlocal omnifunc=jedi#completions
+    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 == '' ?
-                \ "\<lt>C-n>" :
-                \ "\<lt>C-x>\<lt>C-o><c-r>=pumvisible() ?" .
-                \ "\"\\<lt>c-n>\\<lt>c-p>\\<lt>c-n>\" :" .
-                \ "\" \\<lt>bs>\\<lt>C-n>\"\<CR>"
-    endif
-    if g:jedi#completions_command != ""
-        execute "inoremap <buffer>".g:jedi#completions_command." <C-X><C-O>"
+        " map ctrl+space for autocompletion
+        if g:jedi#completions_command == "<C-Space>"
+            " in terminals, <C-Space> sometimes equals <Nul>
+            inoremap <expr> <Nul> pumvisible() \|\| &omnifunc == '' ?
+                    \ "\<lt>C-n>" :
+                    \ "\<lt>C-x>\<lt>C-o><c-r>=pumvisible() ?" .
+                    \ "\"\\<lt>c-n>\\<lt>c-p>\\<lt>c-n>\" :" .
+                    \ "\" \\<lt>bs>\\<lt>C-n>\"\<CR>"
+        endif
+        if g:jedi#completions_command != ""
+            execute "inoremap <buffer>".g:jedi#completions_command." <C-X><C-O>"
+        endif
     endif
 
     " goto / get_definition / usages

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.
-    autocmd FileType Python setlocal omnifunc=jedi#completions switchbuf=useopen  " needed for documentation/pydoc
+    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'