Current function in headline (like which-function-mode) for Python buffers only

While navigation in Python code I can use `which-function-mode` to show the current function/method in the modeline or (after some more configurations) in the headline also. It seems that this is a mode is "global" and there is no way to restrict this mode to python buffers only. I don't understand the details but somebody explained it [here on emacs.stackexchange](https://emacs.stackexchange.com/q/71002/1299). So the question is if there is another package or solution to have something like this (prefered in the headline) but in Python buffers only. I read about some `lsp-mode` depended solutions. The problem here is that I use `eglot` instead of `lsp-mode` and won't change that.

A very rudimentary solution you may want to further extend: (add-hook 'python-mode-hook (defun which-function-header-line-enable () (require 'which-func) (setq header-line-format '((:eval (which-function)))))) One thing you will want to add for sure is some throttling so it won't be run too frequently.

Maybe this one ? https://www.emacswiki.org/emacs/SemanticIdleBreadcrumbsMode

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Have you tried using the variable `which-func-modes` to limit the major modes in which `which-function-mode` is active? Like this: (setq which-func-modes '(python-mode))