diff options
Diffstat (limited to 'lisp/progmodes')
| -rw-r--r-- | lisp/progmodes/python.el | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el index 67383b34154..1ca9f019638 100644 --- a/lisp/progmodes/python.el +++ b/lisp/progmodes/python.el @@ -261,7 +261,6 @@ (require 'ansi-color) (require 'cl-lib) (require 'comint) -(require 'json) (require 'tramp-sh) ;; Avoid compiler warnings @@ -2276,6 +2275,18 @@ Do not set this variable directly, instead use Do not set this variable directly, instead use `python-shell-prompt-set-calculated-regexps'.") +(defalias 'python--parse-json-array + (if (fboundp 'json-parse-string) + (lambda (string) + (json-parse-string string :array-type 'list)) + (require 'json) + (defvar json-array-type) + (declare-function json-read-from-string "json" (string)) + (lambda (string) + (let ((json-array-type 'list)) + (json-read-from-string string)))) + "Parse the JSON array in STRING into a Lisp list.") + (defun python-shell-prompt-detect () "Detect prompts for the current `python-shell-interpreter'. When prompts can be retrieved successfully from the @@ -2324,11 +2335,11 @@ detection and just returns nil." (catch 'prompts (dolist (line (split-string output "\n" t)) (let ((res - ;; Check if current line is a valid JSON array - (and (string= (substring line 0 2) "[\"") + ;; Check if current line is a valid JSON array. + (and (string-prefix-p "[\"" line) (ignore-errors - ;; Return prompts as a list, not vector - (append (json-read-from-string line) nil))))) + ;; Return prompts as a list. + (python--parse-json-array line))))) ;; The list must contain 3 strings, where the first ;; is the input prompt, the second is the block ;; prompt and the last one is the output prompt. The |