406 lines
16 KiB
EmacsLisp
406 lines
16 KiB
EmacsLisp
;;; funcs.el --- Python Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(defun spacemacs//python-setup-backend ()
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"Conditionally setup python backend."
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(pcase python-backend
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(`anaconda (spacemacs//python-setup-anaconda))
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(`lsp (spacemacs//python-setup-lsp))))
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(defun spacemacs//python-setup-company ()
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"Conditionally setup company based on backend."
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(pcase python-backend
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(`anaconda (spacemacs//python-setup-anaconda-company))
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(`lsp (spacemacs//python-setup-lsp-company))))
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(defun spacemacs//python-setup-eldoc ()
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"Conditionally setup eldoc based on backend."
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(pcase python-backend
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;; lsp setup eldoc on its own
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(`anaconda (spacemacs//python-setup-anaconda-eldoc))))
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;; anaconda
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(defun spacemacs//python-setup-anaconda ()
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"Setup anaconda backend."
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(anaconda-mode)
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(add-to-list 'spacemacs-jump-handlers-python-mode
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'(anaconda-mode-find-definitions :async t)))
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(defun spacemacs//python-setup-anaconda-company ()
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"Setup anaconda auto-completion."
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(spacemacs|add-company-backends
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:backends company-anaconda
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:modes python-mode
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:append-hooks nil
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:call-hooks t)
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(company-mode))
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(defun spacemacs//python-setup-anaconda-eldoc ()
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"Setup anaconda eldoc."
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(eldoc-mode)
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(when (configuration-layer/package-used-p 'anaconda-mode)
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(anaconda-eldoc-mode)))
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(defun spacemacs/anaconda-view-forward-and-push ()
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"Find next button and hit RET"
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(interactive)
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(forward-button 1)
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(call-interactively #'push-button))
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(defun spacemacs//disable-semantic-idle-summary-mode ()
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"Disable semantic-idle-summary in Python mode.
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Anaconda provides more useful information but can not do it properly
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when this mode is enabled since the minibuffer is cleared all the time."
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(semantic-idle-summary-mode 0))
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;; lsp
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(defun spacemacs//python-setup-lsp ()
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"Setup lsp backend."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(require 'lsp-python)
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(lsp-python-enable))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dofile.")))
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(defun spacemacs//python-setup-lsp-company ()
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"Setup lsp auto-completion."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(spacemacs|add-company-backends
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:backends company-lsp
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:modes python-mode
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:append-hooks nil
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:call-hooks t)
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(company-mode))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dofile.")))
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;; others
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(defun spacemacs//python-default ()
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"Defaut settings for python buffers"
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(setq mode-name "Python"
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tab-width python-tab-width
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fill-column python-fill-column)
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(when (version< emacs-version "24.5")
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;; auto-indent on colon doesn't work well with if statement
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;; should be fixed in 24.5 and above
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(setq electric-indent-chars (delq ?: electric-indent-chars)))
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(setq-local comment-inline-offset 2)
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(spacemacs/python-annotate-pdb)
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;; make C-j work the same way as RET
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(local-set-key (kbd "C-j") 'newline-and-indent))
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;; from http://pedrokroger.net/2010/07/configuring-emacs-as-a-python-ide-2/
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(defun spacemacs/python-annotate-pdb ()
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"Highlight break point lines."
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(interactive)
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(highlight-lines-matching-regexp "import \\(pdb\\|ipdb\\|pudb\\|wdb\\)")
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(highlight-lines-matching-regexp "\\(pdb\\|ipdb\\|pudb\\|wdb\\).set_trace()")
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(highlight-lines-matching-regexp "trepan.api.debug()"))
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(defun spacemacs/pyenv-executable-find (command)
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"Find executable taking pyenv shims into account.
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If the executable is a system executable and not in the same path
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as the pyenv version then also return nil. This works around https://github.com/pyenv/pyenv-which-ext
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"
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(if (executable-find "pyenv")
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(progn
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(let ((pyenv-string (shell-command-to-string (concat "pyenv which " command)))
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(pyenv-version-name (string-trim (shell-command-to-string "pyenv version-name"))))
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(and (not (string-match "not found" pyenv-string))
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(string-match pyenv-version-name (string-trim pyenv-string))
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(string-trim pyenv-string))))
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(executable-find command)))
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(defun spacemacs//python-setup-shell (&rest args)
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(if (spacemacs/pyenv-executable-find "ipython")
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(progn (setq python-shell-interpreter "ipython")
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(if (version< (replace-regexp-in-string "[\r\n|\n]$" "" (shell-command-to-string "ipython --version")) "5")
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(setq python-shell-interpreter-args "-i")
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(setq python-shell-interpreter-args "--simple-prompt -i")))
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(progn
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(setq python-shell-interpreter-args "-i")
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(setq python-shell-interpreter "python"))))
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(defun spacemacs//python-setup-checkers (&rest args)
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(when (fboundp 'flycheck-set-checker-executable)
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(let ((pylint (spacemacs/pyenv-executable-find "pylint"))
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(flake8 (spacemacs/pyenv-executable-find "flake8")))
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(when pylint
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(flycheck-set-checker-executable "python-pylint" pylint))
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(when flake8
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(flycheck-set-checker-executable "python-flake8" flake8)))))
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(defun spacemacs/python-setup-everything (&rest args)
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(apply 'spacemacs//python-setup-shell args)
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(apply 'spacemacs//python-setup-checkers args))
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(defun spacemacs/python-toggle-breakpoint ()
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"Add a break point, highlight it."
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(interactive)
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(let ((trace (cond ((spacemacs/pyenv-executable-find "trepan3k") "import trepan.api; trepan.api.debug()")
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((spacemacs/pyenv-executable-find "wdb") "import wdb; wdb.set_trace()")
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((spacemacs/pyenv-executable-find "ipdb") "import ipdb; ipdb.set_trace()")
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((spacemacs/pyenv-executable-find "pudb") "import pudb; pudb.set_trace()")
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((spacemacs/pyenv-executable-find "ipdb3") "import ipdb; ipdb.set_trace()")
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((spacemacs/pyenv-executable-find "pudb3") "import pudb; pudb.set_trace()")
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(t "import pdb; pdb.set_trace()")))
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(line (thing-at-point 'line)))
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(if (and line (string-match trace line))
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(kill-whole-line)
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(progn
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(back-to-indentation)
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(insert trace)
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(insert "\n")
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(python-indent-line)))))
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;; from https://www.snip2code.com/Snippet/127022/Emacs-auto-remove-unused-import-statemen
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(defun spacemacs/python-remove-unused-imports()
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"Use Autoflake to remove unused function"
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"autoflake --remove-all-unused-imports -i unused_imports.py"
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(interactive)
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(if (executable-find "autoflake")
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(progn
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(shell-command (format "autoflake --remove-all-unused-imports -i %s"
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(shell-quote-argument (buffer-file-name))))
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(revert-buffer t t t))
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(message "Error: Cannot find autoflake executable.")))
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(defun spacemacs//pyenv-mode-set-local-version ()
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"Set pyenv version from \".python-version\" by looking in parent directories."
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(interactive)
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(let ((root-path (locate-dominating-file default-directory
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".python-version")))
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(when root-path
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(let* ((file-path (expand-file-name ".python-version" root-path))
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(version
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(with-temp-buffer
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(insert-file-contents-literally file-path)
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(nth 0 (split-string (buffer-substring-no-properties
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(line-beginning-position)
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(line-end-position)))))))
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(if (member version (pyenv-mode-versions))
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(pyenv-mode-set version)
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(message "pyenv: version `%s' is not installed (set by %s)"
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version file-path))))))
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(defun spacemacs//pyvenv-mode-set-local-virtualenv ()
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"Set pyvenv virtualenv from \".venv\" by looking in parent directories."
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(interactive)
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(let ((root-path (locate-dominating-file default-directory
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".venv")))
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(when root-path
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(let* ((file-path (expand-file-name ".venv" root-path))
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(virtualenv
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(with-temp-buffer
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(insert-file-contents-literally file-path)
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(buffer-substring-no-properties (line-beginning-position)
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(line-end-position)))))
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(pyvenv-workon virtualenv)))))
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;; Tests
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(defun spacemacs//python-imenu-create-index-use-semantic-maybe ()
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"Use semantic if the layer is enabled."
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(setq imenu-create-index-function 'spacemacs/python-imenu-create-index))
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;; fix for issue #2569 (https://github.com/syl20bnr/spacemacs/issues/2569) and
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;; Emacs 24.5 and older. use `semantic-create-imenu-index' only when
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;; `semantic-mode' is enabled, otherwise use `python-imenu-create-index'
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(defun spacemacs/python-imenu-create-index ()
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(if (bound-and-true-p semantic-mode)
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(semantic-create-imenu-index)
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(python-imenu-create-index)))
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(defun spacemacs//python-get-main-testrunner ()
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"Get the main test runner."
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(if (listp python-test-runner) (car python-test-runner) python-test-runner))
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(defun spacemacs//python-get-secondary-testrunner ()
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"Get the secondary test runner"
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(cdr (assoc (spacemacs//python-get-main-testrunner) '((pytest . nose)
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(nose . pytest)))))
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(defun spacemacs//python-call-correct-test-function (arg funcalist)
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"Call a test function based on the chosen test framework.
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ARG is the universal-argument which chooses between the main and
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the secondary test runner. FUNCALIST is an alist of the function
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to be called for each testrunner. "
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(when python-save-before-test
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(save-buffer))
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(let* ((test-runner (if arg
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(spacemacs//python-get-secondary-testrunner)
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(spacemacs//python-get-main-testrunner)))
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(test-function (assq test-runner funcalist)))
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(if test-function
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(funcall (cdr (assoc test-runner funcalist)))
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(user-error "This test function is not available with the `%S' runner."
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test-runner))))
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(defun spacemacs/python-test-last (arg)
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"Re-run the last test command"
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((nose . nosetests-again))))
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(defun spacemacs/python-test-all (arg)
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"Run all tests."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((pytest . pytest-all)
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(nose . nosetests-all))))
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(defun spacemacs/python-test-pdb-all (arg)
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"Run all tests in debug mode."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((pytest . pytest-pdb-all)
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(nose . nosetests-pdb-all))))
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(defun spacemacs/python-test-module (arg)
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"Run all tests in the current module."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((pytest . pytest-module)
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(nose . nosetests-module))))
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(defun spacemacs/python-test-pdb-module (arg)
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"Run all tests in the current module in debug mode."
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(interactive "P")
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(spacemacs//python-call-correct-test-function
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arg
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'((pytest . pytest-pdb-module)
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(nose . nosetests-pdb-module))))
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(defun spacemacs/python-test-suite (arg)
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"Run all tests in the current suite."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((nose . nosetests-suite))))
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(defun spacemacs/python-test-pdb-suite (arg)
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"Run all tests in the current suite in debug mode."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((nose . nosetests-pdb-suite))))
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(defun spacemacs/python-test-one (arg)
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"Run current test."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((pytest . pytest-one)
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(nose . nosetests-one))))
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(defun spacemacs/python-test-pdb-one (arg)
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"Run current test in debug mode."
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(interactive "P")
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(spacemacs//python-call-correct-test-function arg '((pytest . pytest-pdb-one)
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(nose . nosetests-pdb-one))))
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(defun spacemacs//bind-python-testing-keys ()
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"Bind the keys for testing in Python."
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(spacemacs/declare-prefix-for-mode 'python-mode "mt" "test")
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(spacemacs/set-leader-keys-for-major-mode 'python-mode
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"tA" 'spacemacs/python-test-pdb-all
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"ta" 'spacemacs/python-test-all
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"tB" 'spacemacs/python-test-pdb-module
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"tb" 'spacemacs/python-test-module
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"tl" 'spacemacs/python-test-last
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"tT" 'spacemacs/python-test-pdb-one
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"tt" 'spacemacs/python-test-one
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"tM" 'spacemacs/python-test-pdb-module
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"tm" 'spacemacs/python-test-module
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"tS" 'spacemacs/python-test-pdb-suite
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"ts" 'spacemacs/python-test-suite))
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(defun spacemacs//python-sort-imports ()
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;; py-isort-before-save checks the major mode as well, however we can prevent
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;; it from loading the package unnecessarily by doing our own check
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(when (and python-sort-imports-on-save
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(derived-mode-p 'python-mode))
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(py-isort-before-save)))
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;; REPL
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(defun spacemacs//inferior-python-setup-hook ()
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"Setup REPL for python inferior process buffer."
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(setq indent-tabs-mode t))
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(defun spacemacs/python-shell-send-buffer-switch ()
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"Send buffer content to shell and switch to it in insert mode."
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(interactive)
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(python-shell-send-buffer)
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(python-shell-switch-to-shell)
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(evil-insert-state))
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(defun spacemacs/python-shell-send-defun-switch ()
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"Send function content to shell and switch to it in insert mode."
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(interactive)
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(python-shell-send-defun nil)
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(python-shell-switch-to-shell)
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(evil-insert-state))
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(defun spacemacs/python-shell-send-region-switch (start end)
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"Send region content to shell and switch to it in insert mode."
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(interactive "r")
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(python-shell-send-region start end)
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(python-shell-switch-to-shell)
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(evil-insert-state))
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(defun spacemacs/python-start-or-switch-repl ()
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"Start and/or switch to the REPL."
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(interactive)
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(let ((shell-process
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(or (python-shell-get-process)
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;; `run-python' has different return values and different
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;; errors in different emacs versions. In 24.4, it throws an
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;; error when the process didn't start, but in 25.1 it
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;; doesn't throw an error, so we demote errors here and
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;; check the process later
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(with-demoted-errors "Error: %S"
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;; in Emacs 24.5 and 24.4, `run-python' doesn't return the
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;; shell process
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(call-interactively #'run-python)
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(python-shell-get-process)))))
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(unless shell-process
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(error "Failed to start python shell properly"))
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(pop-to-buffer (process-buffer shell-process))
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(evil-insert-state)))
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(defun spacemacs/python-execute-file (arg)
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"Execute a python script in a shell."
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(interactive "P")
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;; set compile command to buffer-file-name
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;; universal argument put compile buffer in comint mode
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(let ((universal-argument t)
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(compile-command (format "%s %s"
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(spacemacs/pyenv-executable-find python-shell-interpreter)
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(file-name-nondirectory buffer-file-name))))
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(if arg
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(call-interactively 'compile)
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(compile compile-command t)
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(with-current-buffer (get-buffer "*compilation*")
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(inferior-python-mode)))))
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(defun spacemacs/python-execute-file-focus (arg)
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"Execute a python script in a shell and switch to the shell buffer in
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`insert state'."
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(interactive "P")
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(spacemacs/python-execute-file arg)
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(switch-to-buffer-other-window "*compilation*")
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(end-of-buffer)
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(evil-insert-state))
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;; fix for issue #2569 (https://github.com/syl20bnr/spacemacs/issues/2569)
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(when (version< emacs-version "25")
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(advice-add 'wisent-python-default-setup :after
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#'spacemacs//python-imenu-create-index-use-semantic-maybe))
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