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;;; python-mode-settings.el --- Defines mode settings for python.
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;;;
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;;; Commentary:
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;;;
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;;;
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;;; - For each project you will need to install flake8/autopep8 into the virtualenv
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;;; - For each project you will need to install jedi into the virtualenv
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;;; - To set your pyenv use M-x pyenv-mode and select your local virtualenv
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;; thx rakan.me
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(defun pyenv-activate-current-project ()
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"Automatically activates pyenv version if .python-version file exists."
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(interactive)
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(f-traverse-upwards
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(lambda (path)
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(message path)
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(let ((pyenv-version-path (f-expand ".python-version" path)))
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(if (f-exists? pyenv-version-path)
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(let ((pyenv-current-version (s-trim (f-read-text pyenv-version-path 'utf-8))))
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(pyenv-mode-set pyenv-current-version)
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(message (concat "Setting virtualenv to " pyenv-current-version))))))))
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;; For Python enable Elpy.
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(use-package elpy
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:ensure t
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:init (elpy-enable))
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(setq elpy-rpc-backend "jedi")
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(setq jedi:complete-on-dot t)
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;; Enable pyenv integration.
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(if (executable-find "pyenv")
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(use-package pyenv-mode
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:config
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(pyenv-mode)))
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;; Disable elpy default virtualenv (use the pyenv one)
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(setq elpy-rpc-virtualenv-path 'current)
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;; Enable autopep8
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(require 'py-autopep8)
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(add-hook 'elpy-mode-hook 'py-autopep8-enable-on-save)
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;; Enable flake8 - requires flake8 in your path so use pyenv/global pip install
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(add-hook 'python-mode-hook '(lambda ()
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(setq flycheck-python-flake8-executable "flake8")
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(flycheck-select-checker 'python-flake8)
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(flycheck-mode t)))
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;; Activate pyenv automatically if a .python-version is supplied
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(if (executable-find "pyenv")
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(add-hook 'python-mode-hook 'pyenv-activate-current-project))
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;; Add company-jedi hook to python mode
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(add-hook 'python-mode-hook (lambda ()
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(add-to-list 'company-backends 'company-jedi)))
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;; Use microsoft's python language server
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(add-hook 'python-mode-hook (lambda () (lsp-python-enable)))
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(require 'lsp-python-ms)
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(use-package lsp-python-ms
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:ensure t
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:init (setq lsp-python-ms-auto-install-server t)
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:hook (python-mode . (lambda ()
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(require 'lsp-python-ms)
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(lsp)))) ; or lsp-deferred
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;; Python testing helpers
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(use-package python-pytest)
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