I have app-emacs/pymacs installed for Python 2.7 and 3.4 $ equery uses pymacs [ Legend : U - final flag setting for installation] [ : I - package is installed with flag ] [ Colors : set, unset ] * Found these USE flags for app-emacs/pymacs-0.25-r1: U I - - doc : Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally + + python_targets_python2_7 : Build with Python 2.7 - - python_targets_python3_3 : Build with Python 3.3 + + python_targets_python3_4 : Build with Python 3.4 but the interpreter in /usr/share/emacs/site-lisp/pymacs/pymacs.el is dead set to python3.4 $ grep -C5 pymacs-python-command /usr/share/emacs/site-lisp/pymacs/pymacs.el ) ;;; Published variables and functions. (defvar pymacs-python-command "python3.4" "Shell command used to start Python interpreter.") (defvar pymacs-load-path nil "List of additional directories to search for Python modules. The directories listed will be searched first, in the order given.") -- ;; Launch the Pymacs helper. (let ((process (apply 'start-process "pymacs" buffer (let ((python (getenv "PYMACS_PYTHON"))) (if (or (null python) (equal python "")) pymacs-python-command python)) "-c" (concat "import sys;" " from Pymacs import main;" " main(*sys.argv[1:])") (append Could that file be patched to point to python so that I could use eselect python to switch what Python will pymacs run? Reproducible: Always
commit 9fca248aac5224ebcaef59eb88a50d831eb3e495 Author: Justin Lecher <jlec@gentoo.org> Date: Fri Jan 22 13:03:06 2016 +0100 app-emacs/pymacs: Make python command unversioned Gentoo-Bug: https://bugs.gentoo.org/show_bug.cgi?id=572482 Package-Manager: portage-2.2.27 Signed-off-by: Justin Lecher <jlec@gentoo.org> https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9fca248aac5224ebcaef59eb88a50d831eb3e495
If app-emacs/pymacs is installed with PYTHON_TARGETS="python3_6 python3_7" but /usr/bin/python is Python 3.8, then Pymacs.py won't be found in the path. So, I think this change was incorrect and I have reverted it to use ${EPYTHON} as the default for pymacs-python-command, in app-emacs/pymacs-0.26-r1: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f290e6b53c2707d45bd6079c373ea99d7a896896 To use a different Python interpreter, both the pymacs-python-command elisp variable and the PYMACS_PYTHON environment variable are available for customisation.
