python.el: Keep eldoc visible while typing args.

Fixes: debbugs:19637

* lisp/progmodes/python.el (python-eldoc--get-symbol-at-point): New
function.
(python-eldoc--get-doc-at-point, python-eldoc-at-point): Use it.

* test/automated/python-tests.el
(python-eldoc--get-symbol-at-point-1)
(python-eldoc--get-symbol-at-point-2)
(python-eldoc--get-symbol-at-point-3)
(python-eldoc--get-symbol-at-point-4): New tests.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ChangeLog b/test/ChangeLog
index b1e21511d65..ff02bd6a25d 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,6 +1,14 @@
 2015-02-07  Fabián Ezequiel Gallina  <fgallina@gnu.org>
 
         * automated/python-tests.el
+        (python-eldoc--get-symbol-at-point-1)
+        (python-eldoc--get-symbol-at-point-2)
+        (python-eldoc--get-symbol-at-point-3)
+        (python-eldoc--get-symbol-at-point-4): New tests.
+
+2015-02-07  Fabián Ezequiel Gallina  <fgallina@gnu.org>
+
+        * automated/python-tests.el
         (python-tests-visible-string): New function.
         (python-parens-electric-indent-1)
         (python-triple-quote-pairing): Fix indentation, move require calls.