Emacs is *already* scriptable with python

[Edward K. Ream]

In another thread I said, "it doesn't seem likely that emacs will ever be scriptable with python.  Unless some hero steps up Leo in emacs will remain a tantalizing possibility, just out of reach."

Happily I was forgetting pymacs and Leo's bridge.  In effect, Leo's support for pymacs already makes emacs scriptable using python!  To repeat the example:

; Step 1: load leoPymacs if it has not already been loaded.
(setq reload nil)
(if (or reload (not (boundp 'leoPymacs)))
    (setq leoPymacs (pymacs-load "leoPymacs" "leo-"))
    (message "leoPymacs already loaded")
)

; Step 2: compute the path to leo/test/ut.leo using a Leo script.
(setq script
    "g.app.scriptResult = g.os_path_abspath(
        g.os_path_join(g.app.loadDir,'..','test','ut.leo'))"
)
(setq fileName (leo-run-script nil script))

; Step 3: execute a script in ut.leo.
(setq c (leo-open fileName))
(setq script "print 'c',c.shortFileName() ,'current:',c.p.h")
(leo-run-script c script)

Folks, this is a big deal.  An emacs champion could easily:

1. Add any desired (python) functions to leoPymacs.py.

2. Add any desired (elisp) hooks to emacs, especially org mode.

The way appears open to embed Leonine support into emacs.

Edward