You are right. They are not calling one another (python-shell-send-file
calls comint). I think that it may that something is making them be called
one after another (my bad).

Backtrace looks like this (I changed the file name to `a_file_name` since
it's a company path)

  string-match-p("magit-.*: .*" "rider_now_utils.py")
  (not (string-match-p useless-regexp buf-name))
  (setq --cl-flag-- (not (string-match-p useless-regexp buf-name)))
  (progn (setq useless-regexp (car --cl-var--)) (setq --cl-flag-- (not
(string-match-p useless-regexp buf-name))))
  (and (consp --cl-var--) (progn (setq useless-regexp (car --cl-var--))
(setq --cl-flag-- (not (string-match-p useless-regexp buf-name)))))
  (while (and (consp --cl-var--) (progn (setq useless-regexp (car
--cl-var--)) (setq --cl-flag-- (not (string-match-p useless-regexp
buf-name))))) (setq --cl-var-- (cdr --cl-var--)))
  (let* ((--cl-var-- spacemacs-useless-buffers-regexp) (useless-regexp nil)
(--cl-flag-- t)) (while (and (consp --cl-var--) (progn (setq useless-regexp
(car --cl-var--)) (setq --cl-flag-- (not (string-match-p useless-regexp
buf-name))))) (setq --cl-var-- (cdr --cl-var--))) (if --cl-flag-- (progn t)
nil))
  (or (provided-mode-derived-p (buffer-local-value 'major-mode buffer)
'comint-mode) (let* ((--cl-var-- spacemacs-useful-buffers-regexp)
(useful-regexp nil) (--cl-flag-- t) --cl-var--) (while (and (consp
--cl-var--) (progn (setq useful-regexp (car --cl-var--)) (setq --cl-flag--
(not (setq --cl-var-- ...))))) (setq --cl-var-- (cdr --cl-var--)))
--cl-var--) (let* ((--cl-var-- spacemacs-useless-buffers-regexp)
(useless-regexp nil) (--cl-flag-- t)) (while (and (consp --cl-var--) (progn
(setq useless-regexp (car --cl-var--)) (setq --cl-flag-- (not
(string-match-p useless-regexp buf-name))))) (setq --cl-var-- (cdr
--cl-var--))) (if --cl-flag-- (progn t) nil)))
  (let ((buf-name (buffer-name buffer))) (or (provided-mode-derived-p
(buffer-local-value 'major-mode buffer) 'comint-mode) (let* ((--cl-var--
spacemacs-useful-buffers-regexp) (useful-regexp nil) (--cl-flag-- t)
--cl-var--) (while (and (consp --cl-var--) (progn (setq useful-regexp (car
--cl-var--)) (setq --cl-flag-- (not ...)))) (setq --cl-var-- (cdr
--cl-var--))) --cl-var--) (let* ((--cl-var--
spacemacs-useless-buffers-regexp) (useless-regexp nil) (--cl-flag-- t))
(while (and (consp --cl-var--) (progn (setq useless-regexp (car
--cl-var--)) (setq --cl-flag-- (not ...)))) (setq --cl-var-- (cdr
--cl-var--))) (if --cl-flag-- (progn t) nil))))
  spacemacs/useful-buffer-p(#<buffer rider_now_utils.py>)
  kill-buffer(#<buffer  *temp*-957895>)
  #f(compiled-function () #<bytecode -0x1c1e1505371ddc2b>)()
  python-shell-send-file("a_file_name..." #<process Python>
"/var/folders/gx/6fqj2t4x5tn4zml2qp9__9mr00j58f/T/p..." t)
  #f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>)("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>)
  apply(#f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>) ("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>))
  python-shell-send-string("import sys, codecs, os, ast;__pyfile =
codecs.open..." #<process Python>)
  python-shell-send-file("a_file_name..." #<process Python>
"/var/folders/gx/6fqj2t4x5tn4zml2qp9__9mr00j58f/T/p..." t)
  #f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>)("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>)
  apply(#f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>) ("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>))
  python-shell-send-string("import sys, codecs, os, ast;__pyfile =
codecs.open..." #<process Python>)
  python-shell-send-file("a_file_name..." #<process Python>
"/var/folders/gx/6fqj2t4x5tn4zml2qp9__9mr00j58f/T/p..." t)
  #f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>)("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>)
  apply(#f(compiled-function (string &optional process msg) "Send STRING to
inferior Python PROCESS.\nWhen optional argument MSG is non-nil, forces
display of a\nuser-friendly message if there's no process running; defaults
to\nt when called interactively." (interactive #f(compiled-function ()
#<bytecode 0x14ff04c703dd2bc5>)) #<bytecode -0x168dce9d6e1d8f8e>) ("import
sys, codecs, os, ast;__pyfile = codecs.open..." #<process Python>))
  python-shell-send-string("import sys, codecs, os, ast;__pyfile =
codecs.open..." #<process Python>)
  python-shell-send-file("a_file_name..." #<process Python>
"/var/folders/gx/6fqj2t4x5tn4zml2qp9__9mr00j58f/T/p..." t)



On Sun, Sep 19, 2021 at 12:42 PM Augusto Stoffel <arstoffel@gmail.com>
wrote:

> On Sun, 19 Sep 2021 at 12:28, Michael-David Fiszer <sguibor@gmail.com>
> wrote:
>
> > Hi!
> >
> > Thanks for the response!
> >
> > I'll fill in the details shortly. I wanted to add to the bug, that the
> functions being called repeatedly
> > were `python-shell-send-string` and `python-shell-send-file`.
> >
> > They call one another and create more and more temporary files before I
> get the recursion error.
> >
>
> Are you on the current master?  These two functions used to be
> entangled, but now only -send-string calls -send-file.
>