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Shell output catching a la gud-gdb.

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* progmodes/python.el (python-shell-fetch-lines-in-progress)
(python-shell-fetch-lines-string, python-shell-fetched-lines): New
Vars.
(python-shell-fetch-lines-filter): New function.
(python-shell-send-string-no-output): Use them.
This commit is contained in:
Fabián Ezequiel Gallina 2012-09-30 21:53:44 -03:00
parent 07f133bf5d
commit 0478776bb7
2 changed files with 41 additions and 18 deletions
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50
lisp/progmodes/python.el
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@ -1867,31 +1867,45 @@ When MSG is non-nil messages the first line of STRING."
(string-match "\n[ \t].*\n?$" string))
(comint-send-string process "\n")))))
;; Shell output catching stolen from gud-gdb
(defvar python-shell-fetch-lines-in-progress nil)
(defvar python-shell-fetch-lines-string nil)
(defvar python-shell-fetched-lines nil)
(defun python-shell-fetch-lines-filter (string)
"Filter used to read the list of lines output by a command.
STRING is the output to filter."
(setq string (concat python-shell-fetch-lines-string string))
(while (string-match "\n" string)
(push (substring string 0 (match-beginning 0))
python-shell-fetched-lines)
(setq string (substring string (match-end 0))))
(if (equal (string-match comint-prompt-regexp string) 0)
(progn
(setq python-shell-fetch-lines-in-progress nil)
string)
(progn
(setq python-shell-fetch-lines-string string)
"")))
(defun python-shell-send-string-no-output (string &optional process msg)
"Send STRING to PROCESS and inhibit output.
When MSG is non-nil messages the first line of STRING. Return
the output."
(let* ((output-buffer "")
(process (or process (python-shell-get-or-create-process)))
(comint-preoutput-filter-functions
(append comint-preoutput-filter-functions
'(ansi-color-filter-apply
(lambda (string)
(setq output-buffer (concat output-buffer string))
""))))
(inhibit-quit t))
(let ((process (or process (python-shell-get-or-create-process)))
(comint-preoutput-filter-functions
'(python-shell-fetch-lines-filter))
(python-shell-fetch-lines-in-progress t)
(inhibit-quit t))
(or
(with-local-quit
(python-shell-send-string string process msg)
(accept-process-output process)
(replace-regexp-in-string
(if (> (length python-shell-prompt-output-regexp) 0)
(format "\n*%s$\\|^%s\\|\n$"
python-shell-prompt-regexp
(or python-shell-prompt-output-regexp ""))
(format "\n*$\\|^%s\\|\n$"
python-shell-prompt-regexp))
"" output-buffer))
(while python-shell-fetch-lines-in-progress
(accept-process-output process))
(prog1
(mapconcat #'identity
(reverse python-shell-fetched-lines) "\n")
(setq python-shell-fetched-lines nil)))
(with-current-buffer (process-buffer process)
(comint-interrupt-subjob)))))