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;;; .dir-locals.el
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;;
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;; Per-Directory Local Variables:
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;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Directory-Variables.html
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;;
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;; .. hint::
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;;
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;; If you get ``*** EPC Error ***`` (even after a jedi:install-server) in
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;; your emacs session, mostly you have jedi-mode enabled but the python
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;; enviroment is 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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;; To setup such an environment, build target::
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;;
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;; $ make pyenv.install
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;;
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;; 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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;; - python-shell-interpreter --> <repo>/local/py3/bin/python
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;;
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;; Jedi, flycheck & other python stuff should use the 'python-shell-interpreter'
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;; from the local py3 environment.
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;;
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;; Other useful jedi stuff you might add to your ~/.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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((nil
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. ((fill-column . 80)
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(indent-tabs-mode . nil)
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(eval . (progn
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;; project root folder is where the `.dir-locals.el' is located
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(setq-local prj-root
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(locate-dominating-file default-directory ".dir-locals.el"))
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(setq-local python-environment-directory
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(expand-file-name "./local" prj-root))
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;; use 'py3' enviroment as default
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(setq-local python-environment-default-root-name
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"py3")
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(setq-local python-shell-virtualenv-root
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(expand-file-name
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python-environment-default-root-name python-environment-directory))
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(setq-local python-shell-interpreter
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(expand-file-name
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"bin/python" python-shell-virtualenv-root))))))
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(makefile-gmake-mode
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. ((indent-tabs-mode . t)))
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(yaml-mode
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. ((eval . (progn
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;; flycheck should use the local py3 environment
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(setq-local flycheck-yaml-yamllint-executable
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(expand-file-name "bin/yamllint" python-shell-virtualenv-root))
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(setq-local flycheck-yamllintrc
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(expand-file-name ".yamllint.yml" prj-root))
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(flycheck-checker . yaml-yamllint)))))
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(json-mode
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. ((eval . (progn
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(setq-local js-indent-level 2)
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(flycheck-checker . json-python-json)))))
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(js-mode
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. ((eval . (progn
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(setq-local js-indent-level 2)
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;; flycheck should use the jshint checker from simple theme
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(setq-local flycheck-javascript-jshint-executable
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(expand-file-name "searx/static/themes/simple/node_modules/.bin/jshint" prj-root))
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(flycheck-mode)
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))))
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(python-mode
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. ((eval . (progn
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(setq-local 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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(setq-local 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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(setq-local flycheck-pylintrc
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".pylintrc")
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;; flycheck & other python stuff should use the local py3 environment
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(setq-local flycheck-python-pylint-executable
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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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(setq-local jedi:environment-root
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python-shell-virtualenv-root)
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;; https://tkf.github.io/emacs-jedi/latest/#jedi:server-command
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(setq-local jedi:server-command
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(list python-shell-interpreter
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jedi:server-script))
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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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;; (setq-local 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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))))
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)
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