this post was submitted on 28 Nov 2023
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How can I remove repetition in python REPL? (alien.top)
submitted 9 months ago by [email protected] to c/[email protected]
2 comments fedilink hide all child comments
 

Hi, basically it is working well but I want to remove repetitive msg when evaluated to REPL.

for instance, when below code

nums = [1, 2, 3, 4, 5]
def double(x): return x * 2
list(map(double, nums))

is evaluated by C-c C-c

>>> 
__PYTHON_EL_eval("nums = [1, 2, 3, 4, 5]\ndef double(x): return x * 2\nlist(map(double, nums))", "/Users/darren/Work/ace/pyth/codi/01-iterations/binary-gap.py")
[2, 4, 6, 8, 10]

Can I remove this msg?

__PYTHON_EL_eval("nums = [1, 2, 3, 4, 5]\ndef double(x): return x * 2\nlist(map(double, nums))", "/Users/darren/Work/ace/pyth/codi/01-iterations/binary-gap.py")

So it just shows like

>>> 
[2, 4, 6, 8, 10]

Thanks in advance!

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[–] [email protected] 2 points 9 months ago

Check C-h v comint-process-echoes in that buffer.

If it's nil, try (setq-local comint-process-echoes t)

If that fixes it, then you can use this repl's major mode hook to do that automatically.

[–] [email protected] 1 points 9 months ago

Some answers here
https://stackoverflow.com/questions/75103221/emacs-remove-python-el-eval-message

(defun python-comint-filter (output)
  (let* ((regexp "^.*__PYTHON_EL_\\(.*\\)\\(.*\\)[[:space:]]*$")
         (lines (split-string output "\n"))
         (filtered-lines (remove-if (lambda (line)
                                      (or (string-match-p regexp line)
                                          (string-match-p "^\\s-*$" line))) 
                                    lines)))

    (if (equal (length lines) (length filtered-lines))
        output
      (mapconcat 'identity filtered-lines "\n"))))