forked from mirrors/org-mode
* lisp/ox.el (org-export-table-dimensions): * lisp/ox-texinfo.el (org-texinfo-template): * lisp/ox-md.el (org-md-link): * lisp/ox-icalendar.el (org-icalendar-use-UTC-date-time-p): * lisp/ox-ascii.el (org-ascii-fixed-width): * lisp/org.el (org-context): * lisp/org-table.el (org-table-eval-formula) (org-table-export): * lisp/org-refile.el: * lisp/org-plot.el (org-plot/gnuplot-to-grid-data): * lisp/org-num.el (org-num): * lisp/org-mouse.el (org-mouse-popup-global-menu) (org-mouse-context-menu): * lisp/org-macro.el (org-macro): * lisp/org-lint.el (org-lint): * lisp/org-keys.el (org-keys): * lisp/org-duration.el: * lisp/org-clock.el (org-clock-get-last-clock-out-time) (org-clock-update-mode-line, org-find-open-clocks): * lisp/org-agenda.el (org-diary) (org-agenda-check-for-timestamp-as-reason-to-ignore-todo-item) (org-agenda-highlight-todo, org-cmp-alpha) (org-agenda-filter-by-category): * lisp/ol.el (org-link-expand-abbrev, ol): * lisp/ol-docview.el (ol-docview): * lisp/ol-bibtex.el (org-execute-file-search-in-bibtex) (org-bibtex, org-bibtex-read): * lisp/ol-bbdb.el (org-bbdb-anniversary-description): * lisp/ob-tangle.el (org-babel-tangle-jump-to-org): * lisp/ob-table.el (org-babel-table-truncate-at-newline): * lisp/ob-stan.el: * lisp/ob-sqlite.el (org-babel-sqlite-table-or-scalar): * lisp/ob-sql.el: * lisp/ob-shen.el: * lisp/ob-shell.el (org-babel-prep-session:shell) (org-babel-prep-session:shell): * lisp/ob-sed.el (org-babel-execute:sed) (org-babel-execute:sed): * lisp/ob-screen.el: * lisp/ob-sass.el: * lisp/ob-ruby.el (org-babel-prep-session:ruby) (org-babel-prep-session:ruby): * lisp/ob-ref.el (org-babel-ref-resolve, ob-ref): * lisp/ob-python.el (org-babel-prep-session:python) (org-babel-prep-session:python): * lisp/ob-plantuml.el: * lisp/ob-picolisp.el: * lisp/ob-perl.el: * lisp/ob-org.el: * lisp/ob-octave.el (org-babel-prep-session:octave) (org-babel-prep-session:octave) (org-babel-octave-evaluate-session): * lisp/ob-ocaml.el: * lisp/ob-mscgen.el (org-babel-execute:mscgen) (org-babel-execute:mscgen): * lisp/ob-maxima.el: (ob-maxima): * lisp/ob-matlab.el: * lisp/ob-makefile.el: * lisp/ob-lua.el (org-babel-prep-session:lua) (org-babel-prep-session:lua): * lisp/ob-lisp.el: * lisp/ob-ledger.el: * lisp/ob-latex.el (org-babel-expand-body:latex) (org-babel-expand-body:latex, ob-latex): * lisp/ob-js.el: * lisp/ob-java.el: * lisp/ob-io.el (org-babel-prep-session:io) (org-babel-prep-session:io): * lisp/ob-hledger.el: * lisp/ob-haskell.el: * lisp/ob-groovy.el (org-babel-groovy-wrapper-method) (org-babel-groovy-evaluate): * lisp/ob-gnuplot.el: * lisp/ob-fortran.el (org-babel-expand-body:fortran) (org-babel-expand-body:fortran): * lisp/ob-forth.el (org-babel-forth-session-execute): * lisp/ob-exp.el (ob-exp): * lisp/ob-eval.el: * lisp/ob-emacs-lisp.el: * lisp/ob-ebnf.el: * lisp/ob-dot.el: * lisp/ob-ditaa.el: * lisp/ob-css.el: * lisp/ob-core.el (org-babel-put-rownames): * lisp/ob-coq.el: * lisp/ob-comint.el: * lisp/ob-calc.el: * lisp/ob-awk.el: * lisp/ob-asymptote.el: * lisp/ob-abc.el: * lisp/ob-R.el (org-babel-prep-session:R): Formatting fixes.
142 lines
5.4 KiB
EmacsLisp
142 lines
5.4 KiB
EmacsLisp
;;; ob-screen.el --- Babel Support for Interactive Terminal -*- lexical-binding: t; -*-
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;; Copyright (C) 2009-2020 Free Software Foundation, Inc.
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;; Author: Benjamin Andresen
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;; Keywords: literate programming, interactive shell
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;; Homepage: https://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for interactive terminals. Mostly shell scripts.
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;; Heavily inspired by 'eev' from Eduardo Ochs
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;;
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;; Adding :cmd and :terminal as header arguments
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;; :terminal must support the -T (title) and -e (command) parameter
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;;
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;; You can test the default setup. (xterm + sh) with
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;; M-x org-babel-screen-test RET
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;;; Code:
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(require 'ob)
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(defvar org-babel-screen-location "screen"
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"The command location for screen.
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In case you want to use a different screen than one selected by your $PATH")
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(defvar org-babel-default-header-args:screen
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'((:results . "silent") (:session . "default") (:cmd . "sh") (:terminal . "xterm"))
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"Default arguments to use when running screen source blocks.")
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(defun org-babel-execute:screen (body params)
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"Send a block of code via screen to a terminal using Babel.
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\"default\" session is used when none is specified."
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(message "Sending source code block to interactive terminal session...")
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(save-window-excursion
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(let* ((session (cdr (assq :session params)))
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(socket (org-babel-screen-session-socketname session)))
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(unless socket (org-babel-prep-session:screen session params))
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(org-babel-screen-session-execute-string
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session (org-babel-expand-body:generic body params)))))
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(defun org-babel-prep-session:screen (_session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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(let* ((session (cdr (assq :session params)))
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(cmd (cdr (assq :cmd params)))
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(terminal (cdr (assq :terminal params)))
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(process-name (concat "org-babel: terminal (" session ")")))
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(apply 'start-process process-name "*Messages*"
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terminal `("-T" ,(concat "org-babel: " session) "-e" ,org-babel-screen-location
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"-c" "/dev/null" "-mS" ,(concat "org-babel-session-" session)
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,cmd))
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;; XXX: Is there a better way than the following?
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(while (not (org-babel-screen-session-socketname session))
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;; wait until screen session is available before returning
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)))
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;; helper functions
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(defun org-babel-screen-session-execute-string (session body)
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"If SESSION exists, send BODY to it."
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(let ((socket (org-babel-screen-session-socketname session)))
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(when socket
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(let ((tmpfile (org-babel-screen-session-write-temp-file session body)))
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(apply 'start-process (concat "org-babel: screen (" session ")") "*Messages*"
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org-babel-screen-location
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`("-S" ,socket "-X" "eval" "msgwait 0"
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,(concat "readreg z " tmpfile)
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"paste z"))))))
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(defun org-babel-screen-session-socketname (session)
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"Check if SESSION exists by parsing output of \"screen -ls\"."
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(let* ((screen-ls (shell-command-to-string "screen -ls"))
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(sockets (delq
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nil
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(mapcar
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(lambda (x)
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(when (string-match (rx (or "(Attached)" "(Detached)")) x)
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x))
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(split-string screen-ls "\n"))))
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(match-socket (car
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(delq
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nil
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(mapcar
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(lambda (x)
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(when (string-match
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(concat "org-babel-session-" session) x)
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x))
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sockets)))))
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(when match-socket (car (split-string match-socket)))))
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(defun org-babel-screen-session-write-temp-file (_session body)
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"Save BODY in a temp file that is named after SESSION."
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(let ((tmpfile (org-babel-temp-file "screen-")))
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(with-temp-file tmpfile
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(insert body)
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;; org-babel has superfluous spaces
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(goto-char (point-min))
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(delete-matching-lines "^ +$"))
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tmpfile))
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(defun org-babel-screen-test ()
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"Test if the default setup works.
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The terminal should shortly flicker."
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(interactive)
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(let* ((random-string (format "%s" (random 99999)))
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(tmpfile (org-babel-temp-file "ob-screen-test-"))
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(body (concat "echo '" random-string "' > " tmpfile "\nexit\n"))
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tmp-string)
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(org-babel-execute:screen body org-babel-default-header-args:screen)
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;; XXX: need to find a better way to do the following
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(while (not (file-readable-p tmpfile))
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;; do something, otherwise this will be optimized away
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(message "org-babel-screen: File not readable yet."))
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(setq tmp-string (with-temp-buffer
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(insert-file-contents-literally tmpfile)
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(buffer-substring (point-min) (point-max))))
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(delete-file tmpfile)
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(message (concat "org-babel-screen: Setup "
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(if (string-match random-string tmp-string)
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"WORKS."
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"DOESN'T work.")))))
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(provide 'ob-screen)
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;;; ob-screen.el ends here
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