AC candidates from Jedi.el are not merged with others

[tkf]

See the original report in #40.

[tkf]

It turned out that it is nothing to do with async (as @MarSik suggested #40 (comment)). Instead, this happens because that AC can merge sources with the same "prefix" attribute. You can check that candidates from Jedi are merged with others if you remove this restriction by this patch on ac-prefix (WARNING: I find it very slow):

diff --git a/auto-complete.el b/auto-complete.el
index f04f3cb..37167b6 100644
--- a/auto-complete.el
+++ b/auto-complete.el
@@ -977,7 +977,7 @@ You can not use it in source definition like (prefix . `NAME')."
             (if point
                 (setq prefix-def prefix))))

-        if (equal prefix prefix-def) do (push source sources)
+        do (push source sources)

         finally return
         (and point (list prefix-def point (nreverse sources)))))

Here prefix and prefix-def are something like jedi:ac-direct-prefix or ac-prefix-default. prefix-def is the (to-be) chosen one.

Hopefully this restriction is removed in AC2. Pinging @MarSik, @asmeurer and @m2ym.

[asmeurer]

Do you want me to test it or what? I don't know enough about the architecture of auto-complete to comment on the patch.

If this can't be done until AC2, would the workaround be to add the prefix to the emacs-jedi source (either in emacs-jedi or have users to it in their .emacs)?

[tkf]

@asmeurer It's just to let you know status of the issue. I don't think there is a workaround except applying the above patch (I don't know if it is usable, though. Maybe you can put some conditions there to activate the patch only in Python buffer etc., to make it slightly more usable).

Other thing we can do is to implement equivalent of sources like words-in-buffer and dictionary at Python side, so that you can mix these candidates without changing jedi.el. Or adding more to Jedi's "dictionary" (I think there is only builtins; no conventional variable like __version__) could be enough.

[asmeurer]

I think the auto-complete Python dictionary is just dir(), dir(__builtins__), and the keywords (see d99051f6f32719b0ebda81a5dc4d0b9c97bc7943).