mirror of
https://github.com/searxng/searxng.git
synced 2024-11-05 09:00:02 +00:00
133 lines
4.9 KiB
EmacsLisp
133 lines
4.9 KiB
EmacsLisp
;;; .dir-locals.el
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;;
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;; If you get ``*** EPC Error ***`` (even after a jedi:install-server) in your
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;; emacs session, mostly you have jedi-mode enabled but the python enviroment is
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;; missed. The python environment has to be next to the
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;; ``<repo>/.dir-locals.el`` in::
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;;
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;; ./local/py3
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;;
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;; In Emacs, some buffer locals are referencing the project environment:
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;;
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;; - prj-root --> <repo>/
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;; - python-environment-directory --> <repo>/local
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;; - python-environment-default-root-name --> py3
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;; - python-shell-virtualenv-root --> <repo>/local/py3
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;; When this variable is set with the path of the virtualenv to use,
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;; `process-environment' and `exec-path' get proper values in order to run
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;; shells inside the specified virtualenv, example::
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;; (setq python-shell-virtualenv-root "/path/to/env/")
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;;
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;; To setup such an environment build target 'pyenv' or 'pyenvinstall'::
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;;
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;; $ make pyenvinstall
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;;
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;; Alternatively create the virtualenv, source it and install jedi + epc
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;; (required by `emacs-jedi <https://tkf.github.io/emacs-jedi>`_)::
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;;
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;; $ virtualenv --python=python3 "--no-site-packages" ./local/py3
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;; ...
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;; $ source ./local/py3/bin/activate
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;; (py3)$ # now install into the activated 'py3' environment ..
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;; (py3)$ pip install jedi epc
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;; ...
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;;
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;; Here is what also I found useful to add to my .emacs::
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;;
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;; (global-set-key [f6] 'flycheck-mode)
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;; (add-hook 'python-mode-hook 'my:python-mode-hook)
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;;
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;; (defun my:python-mode-hook ()
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;; (add-to-list 'company-backends 'company-jedi)
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;; (require 'jedi-core)
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;; (jedi:setup)
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;; (define-key python-mode-map (kbd "C-c C-d") 'jedi:show-doc)
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;; (define-key python-mode-map (kbd "M-.") 'jedi:goto-definition)
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;; (define-key python-mode-map (kbd "M-,") 'jedi:goto-definition-pop-marker)
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;; )
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;;
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((nil
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. ((fill-column . 80)
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))
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(python-mode
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. ((indent-tabs-mode . nil)
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;; project root folder is where the `.dir-locals.el' is located
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(eval . (setq-local
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prj-root (locate-dominating-file default-directory ".dir-locals.el")))
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(eval . (setq-local
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python-environment-directory (expand-file-name "./local" prj-root)))
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;; use 'py3' enviroment as default
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(eval . (setq-local
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python-environment-default-root-name "py3"))
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(eval . (setq-local
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python-shell-virtualenv-root
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(concat python-environment-directory
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"/"
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python-environment-default-root-name)))
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;; python-shell-virtualenv-path is obsolete, use python-shell-virtualenv-root!
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;; (eval . (setq-local
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;; python-shell-virtualenv-path python-shell-virtualenv-root))
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(eval . (setq-local
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python-shell-interpreter
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(expand-file-name "bin/python" python-shell-virtualenv-root)))
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(eval . (setq-local
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python-environment-virtualenv
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(list (expand-file-name "bin/virtualenv" python-shell-virtualenv-root)
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;;"--system-site-packages"
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"--quiet")))
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(eval . (setq-local
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pylint-command
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(expand-file-name "bin/pylint" python-shell-virtualenv-root)))
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;; pylint will find the '.pylintrc' file next to the CWD
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;; https://pylint.readthedocs.io/en/latest/user_guide/run.html#command-line-options
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(eval . (setq-local
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flycheck-pylintrc ".pylintrc"))
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;; flycheck & other python stuff should use the local py3 environment
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(eval . (setq-local
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flycheck-python-pylint-executable python-shell-interpreter))
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;; use 'M-x jedi:show-setup-info' and 'M-x epc:controller' to inspect jedi server
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;; https://tkf.github.io/emacs-jedi/latest/#jedi:environment-root -- You
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;; can specify a full path instead of a name (relative path). In that case,
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;; python-environment-directory is ignored and Python virtual environment
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;; is created at the specified path.
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(eval . (setq-local jedi:environment-root python-shell-virtualenv-root))
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;; https://tkf.github.io/emacs-jedi/latest/#jedi:server-command
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(eval .(setq-local
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jedi:server-command
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(list python-shell-interpreter
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jedi:server-script)
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))
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;; jedi:environment-virtualenv --> see above 'python-environment-virtualenv'
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;; is set buffer local! No need to setup jedi:environment-virtualenv:
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;;
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;; Virtualenv command to use. A list of string. If it is nil,
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;; python-environment-virtualenv is used instead. You must set non-nil
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;; value to jedi:environment-root in order to make this setting work.
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;;
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;; https://tkf.github.io/emacs-jedi/latest/#jedi:environment-virtualenv
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;;
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;; (eval . (setq-local
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;; jedi:environment-virtualenv
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;; (list (expand-file-name "bin/virtualenv" python-shell-virtualenv-root)
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;; ;;"--python"
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;; ;;"/usr/bin/python3.4"
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;; )))
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;; jedi:server-args
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)))
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