GNU bug report logs - #19637
25.0.50; ipython eldoc keep visible while typing parameters

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Carlos Pita <carlosjosepita <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: Fabian Ezequiel Gallina <galli.87 <at> gmail.com>
Subject: 25.0.50; ipython eldoc keep visible while typing parameters
Date: Tue, 20 Jan 2015 17:09:10 -0300

Please keep eldoc line in the buffer area visible while entering the
parameters of a funcion. The signature information is mainly useful
for that. Hiding it immediately after typing the opening parenthesis
kinda defeats the whole point. Cheers, Carlos.

PD: Fabian, if you're interested in this feature I could try to
implement it myself and send a patch.

Message #8 received at 19637 <at> debbugs.gnu.org (full text, mbox):

From: Carlos Pita <carlosjosepita <at> gmail.com>
To: 19637 <at> debbugs.gnu.org
Cc: Fabián Ezequiel Gallina <fgallina <at> gnu.org>
Subject: 25.0.50; ipython eldoc keep visible while typing parameters
Date: Thu, 5 Feb 2015 16:21:03 -0300

[Message part 1 (text/plain, inline)]

Here is a tentative patch.

What it does is the following:

1) If point is in a paren context it escapes to the opening parenthesis

2) Now, if point is left (or was there from the very beginning) over
an opening (, then the relevant symbol is the one to the left of the
(, so whitespaces, newlines and backslashes are skipped backwards.
Presumably the point is now over a symbol.

3) We call (python-info-current-symbol). If a symbol is indeed parsed,
it's returned, if not, then the point position is restored and
(python-info-current-symbol) is called as usual.

Notice that the above allows for nested calls. But the exact behavior
is as follows (say * marks the position of the point):

a) m*ap(xx           will return map
b) map(xx*           will return map
c) map(open*       will also return map
d) map(open(xx*  will return open

I think this is almost always what you want. But a more complex
sequence could be implemented for c that first checks if there is any
documentation for 'open' and only in case there was no documentation
for the symbol, it showed the documentation for 'map'. I don't think
it's worth the extra complexity.

Cheers
--
Carlos

[tooltip.patch (text/x-patch, attachment)]

Message #15 received at 19637-done <at> debbugs.gnu.org (full text, mbox):

From: fgallina <at> gnu.org (Fabián Ezequiel Gallina)
To: 19637-done <at> debbugs.gnu.org
Subject: 25.0.50; ipython eldoc keep visible while typing parameters
Date: Sat, 07 Feb 2015 18:45:55 -0300

Fixed at revno 2155973 in the master branch.

I tweaked your patch a bit to handle other cases and added tests.  I
realized I forgot to mention this was based on your patch after pushing
so I adjusted the ChangeLog entry at b480a6a.


Thanks again,
Fabián.

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