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spacemacs/layers/+lang/python/funcs.el
Hans Jang 39f774f70b
[Python] Reflect upstream pytest update to python-test-last
This is a squash commit, it contains:
* Reflect upstream pytest update to python-test-last
* Update CHANGELOG.develop
2020-04-16 23:37:25 +02:00

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;;; funcs.el --- Python Layer functions File for Spacemacs
;;
;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defun spacemacs//python-backend ()
"Returns selected backend."
(if python-backend
python-backend
(cond
((configuration-layer/layer-used-p 'lsp) 'lsp)
(t 'anaconda))))
(defun spacemacs//python-formatter ()
"Returns selected backend."
(if python-formatter
python-formatter
(cond
((configuration-layer/layer-used-p 'lsp) 'lsp)
(t 'yapf))))
(defun spacemacs//python-setup-backend ()
"Conditionally setup python backend."
(when python-pipenv-activate (pipenv-activate))
(pcase (spacemacs//python-backend)
(`anaconda (spacemacs//python-setup-anaconda))
(`lsp (spacemacs//python-setup-lsp))))
(defun spacemacs//python-setup-company ()
"Conditionally setup company based on backend."
(pcase (spacemacs//python-backend)
(`anaconda (spacemacs//python-setup-anaconda-company))))
(defun spacemacs//python-setup-dap ()
"Conditionally setup elixir DAP integration."
;; currently DAP is only available using LSP
(pcase (spacemacs//python-backend)
(`lsp (spacemacs//python-setup-lsp-dap))))
(defun spacemacs//python-setup-eldoc ()
"Conditionally setup eldoc based on backend."
(pcase (spacemacs//python-backend)
;; lsp setup eldoc on its own
(`anaconda (spacemacs//python-setup-anaconda-eldoc))))
;; anaconda
(defun spacemacs//python-setup-anaconda ()
"Setup anaconda backend."
(anaconda-mode))
(defun spacemacs//python-setup-anaconda-company ()
"Setup anaconda auto-completion."
(spacemacs|add-company-backends
:backends company-anaconda
:modes python-mode
:append-hooks nil
:call-hooks t)
(company-mode))
(defun spacemacs//python-setup-anaconda-eldoc ()
"Setup anaconda eldoc."
(eldoc-mode)
(when (configuration-layer/package-used-p 'anaconda-mode)
(anaconda-eldoc-mode)))
(defun spacemacs/anaconda-view-forward-and-push ()
"Find next button and hit RET"
(interactive)
(forward-button 1)
(call-interactively #'push-button))
;; lsp
(defun spacemacs//python-setup-lsp ()
"Setup lsp backend."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(when (eq python-lsp-server 'mspyls)
(require 'lsp-python-ms))
(lsp))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
(defun spacemacs//python-setup-lsp-dap ()
"Setup DAP integration."
(require 'dap-python))
;; others
(defun spacemacs//python-default ()
"Defaut settings for python buffers"
(setq mode-name "Python"
tab-width python-tab-width
fill-column python-fill-column)
;; since we changed the tab-width we need to manually call python-indent-guess-indent-offset here
(when python-spacemacs-indent-guess
(python-indent-guess-indent-offset))
(when (version< emacs-version "24.5")
;; auto-indent on colon doesn't work well with if statement
;; should be fixed in 24.5 and above
(setq electric-indent-chars (delq ?: electric-indent-chars)))
(setq-local comment-inline-offset 2)
(spacemacs/python-annotate-pdb)
;; make C-j work the same way as RET
(local-set-key (kbd "C-j") 'newline-and-indent))
;; from http://pedrokroger.net/2010/07/configuring-emacs-as-a-python-ide-2/
(defun spacemacs/python-annotate-pdb ()
"Highlight break point lines."
(interactive)
(highlight-lines-matching-regexp "breakpoint()")
(highlight-lines-matching-regexp "import \\(pdb\\|ipdb\\|pudb\\|wdb\\)")
(highlight-lines-matching-regexp "\\(pdb\\|ipdb\\|pudb\\|wdb\\).set_trace()")
(highlight-lines-matching-regexp "trepan.api.debug()"))
(defun spacemacs/pyenv-executable-find (command)
"Find executable taking pyenv shims into account.
If the executable is a system executable and not in the same path
as the pyenv version then also return nil. This works around https://github.com/pyenv/pyenv-which-ext
"
(if (executable-find "pyenv")
(progn
(let ((pyenv-string (shell-command-to-string (concat "pyenv which " command)))
(pyenv-version-names (split-string (string-trim (shell-command-to-string "pyenv version-name")) ":"))
(executable nil)
(i 0))
(if (not (string-match "not found" pyenv-string))
(while (and (not executable)
(< i (length pyenv-version-names)))
(if (string-match (elt pyenv-version-names i) (string-trim pyenv-string))
(setq executable (string-trim pyenv-string)))
(if (string-match (elt pyenv-version-names i) "system")
(setq executable (string-trim (executable-find command))))
(setq i (1+ i))))
executable))
(executable-find command)))
(defun spacemacs//python-setup-shell (&rest args)
(if (spacemacs/pyenv-executable-find "ipython")
(progn (setq python-shell-interpreter "ipython")
(if (version< (replace-regexp-in-string "[\r\n|\n]$" "" (shell-command-to-string (format "\"%s\" --version" (string-trim (spacemacs/pyenv-executable-find "ipython"))))) "5")
(setq python-shell-interpreter-args "-i")
(setq python-shell-interpreter-args "--simple-prompt -i")))
(progn
(setq python-shell-interpreter-args "-i")
(setq python-shell-interpreter "python"))))
(defun spacemacs//python-setup-checkers (&rest args)
(when (fboundp 'flycheck-set-checker-executable)
(let ((pylint (spacemacs/pyenv-executable-find "pylint"))
(flake8 (spacemacs/pyenv-executable-find "flake8")))
(when pylint
(flycheck-set-checker-executable "python-pylint" pylint))
(when flake8
(flycheck-set-checker-executable "python-flake8" flake8)))))
(defun spacemacs/python-setup-everything (&rest args)
(apply 'spacemacs//python-setup-shell args)
(apply 'spacemacs//python-setup-checkers args))
(defun spacemacs/python-toggle-breakpoint ()
"Add a break point, highlight it."
(interactive)
(let ((trace (cond ((spacemacs/pyenv-executable-find "trepan3k") "import trepan.api; trepan.api.debug()")
((spacemacs/pyenv-executable-find "wdb") "import wdb; wdb.set_trace()")
((spacemacs/pyenv-executable-find "ipdb") "import ipdb; ipdb.set_trace()")
((spacemacs/pyenv-executable-find "pudb") "import pudb; pudb.set_trace()")
((spacemacs/pyenv-executable-find "ipdb3") "import ipdb; ipdb.set_trace()")
((spacemacs/pyenv-executable-find "pudb3") "import pudb; pudb.set_trace()")
((spacemacs/pyenv-executable-find "python3.7") "breakpoint()")
((spacemacs/pyenv-executable-find "python3.8") "breakpoint()")
(t "import pdb; pdb.set_trace()")))
(line (thing-at-point 'line)))
(if (and line (string-match trace line))
(kill-whole-line)
(progn
(back-to-indentation)
(insert trace)
(insert "\n")
(python-indent-line)))))
;; from https://www.snip2code.com/Snippet/127022/Emacs-auto-remove-unused-import-statemen
(defun spacemacs/python-remove-unused-imports()
"Use Autoflake to remove unused function"
"autoflake --remove-all-unused-imports -i unused_imports.py"
(interactive)
(if (executable-find "autoflake")
(progn
(shell-command (format "autoflake --remove-all-unused-imports -i %s"
(shell-quote-argument (buffer-file-name))))
(revert-buffer t t t))
(message "Error: Cannot find autoflake executable.")))
(defun spacemacs//pyenv-mode-set-local-version ()
"Set pyenv version from \".python-version\" by looking in parent directories."
(interactive)
(let ((root-path (locate-dominating-file default-directory
".python-version")))
(when root-path
(let* ((file-path (expand-file-name ".python-version" root-path))
(version
(with-temp-buffer
(insert-file-contents-literally file-path)
(nth 0 (split-string (buffer-substring-no-properties
(line-beginning-position)
(line-end-position)))))))
(if (member version (pyenv-mode-versions))
(progn
(setenv "VIRTUAL_ENV" version)
(pyenv-mode-set version))
(message "pyenv: version `%s' is not installed (set by %s)"
version file-path))))))
(defun spacemacs//pyvenv-mode-set-local-virtualenv ()
"Set pyvenv virtualenv from \".venv\" by looking in parent directories.
Handle \".venv\" being a virtualenv directory or a file specifying either
absolute or relative virtualenv path. Relative path is checked relative to
location of \".venv\" file, then relative to pyvenv-workon-home()."
(interactive)
(let ((root-path (locate-dominating-file default-directory ".venv")))
(when root-path
(let ((file-path (expand-file-name ".venv" root-path)))
(if (file-directory-p file-path)
(pyvenv-activate file-path)
(let* ((virtualenv-path-in-file
(with-temp-buffer
(insert-file-contents-literally file-path)
(buffer-substring-no-properties (line-beginning-position)
(line-end-position))))
(virtualenv-abs-path
(if (file-name-absolute-p virtualenv-path-in-file)
virtualenv-path-in-file
(format "%s/%s" root-path virtualenv-path-in-file))))
(if (file-directory-p virtualenv-abs-path)
(pyvenv-activate virtualenv-abs-path)
(pyvenv-workon virtualenv-path-in-file))))))))
;; Tests
(defun spacemacs//python-imenu-create-index-use-semantic-maybe ()
"Use semantic if the layer is enabled."
(setq imenu-create-index-function 'spacemacs/python-imenu-create-index))
;; fix for issue #2569 (https://github.com/syl20bnr/spacemacs/issues/2569) and
;; Emacs 24.5 and older. use `semantic-create-imenu-index' only when
;; `semantic-mode' is enabled, otherwise use `python-imenu-create-index'
(defun spacemacs/python-imenu-create-index ()
(if (bound-and-true-p semantic-mode)
(semantic-create-imenu-index)
(python-imenu-create-index)))
(defun spacemacs//python-get-main-testrunner ()
"Get the main test runner."
(if (listp python-test-runner) (car python-test-runner) python-test-runner))
(defun spacemacs//python-get-secondary-testrunner ()
"Get the secondary test runner"
(cdr (assoc (spacemacs//python-get-main-testrunner) '((pytest . nose)
(nose . pytest)))))
(defun spacemacs//python-call-correct-test-function (arg funcalist)
"Call a test function based on the chosen test framework.
ARG is the universal-argument which chooses between the main and
the secondary test runner. FUNCALIST is an alist of the function
to be called for each testrunner. "
(when python-save-before-test
(save-buffer))
(let* ((test-runner (if arg
(spacemacs//python-get-secondary-testrunner)
(spacemacs//python-get-main-testrunner)))
(test-function (assq test-runner funcalist)))
(if test-function
(funcall (cdr (assoc test-runner funcalist)))
(user-error "This test function is not available with the `%S' runner."
test-runner))))
(defun spacemacs/python-test-last (arg)
"Re-run the last test command"
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-again)
(nose . nosetests-again))))
(defun spacemacs/python-test-all (arg)
"Run all tests."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-all)
(nose . nosetests-all))))
(defun spacemacs/python-test-pdb-all (arg)
"Run all tests in debug mode."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-pdb-all)
(nose . nosetests-pdb-all))))
(defun spacemacs/python-test-module (arg)
"Run all tests in the current module."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-module)
(nose . nosetests-module))))
(defun spacemacs/python-test-pdb-module (arg)
"Run all tests in the current module in debug mode."
(interactive "P")
(spacemacs//python-call-correct-test-function
arg
'((pytest . pytest-pdb-module)
(nose . nosetests-pdb-module))))
(defun spacemacs/python-test-suite (arg)
"Run all tests in the current suite."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((nose . nosetests-suite))))
(defun spacemacs/python-test-pdb-suite (arg)
"Run all tests in the current suite in debug mode."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((nose . nosetests-pdb-suite))))
(defun spacemacs/python-test-one (arg)
"Run current test."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-one)
(nose . nosetests-one))))
(defun spacemacs/python-test-pdb-one (arg)
"Run current test in debug mode."
(interactive "P")
(spacemacs//python-call-correct-test-function arg '((pytest . pytest-pdb-one)
(nose . nosetests-pdb-one))))
(defun spacemacs//bind-python-testing-keys ()
"Bind the keys for testing in Python."
(spacemacs/declare-prefix-for-mode 'python-mode "mt" "test")
(spacemacs/set-leader-keys-for-major-mode 'python-mode
"tA" 'spacemacs/python-test-pdb-all
"ta" 'spacemacs/python-test-all
"tB" 'spacemacs/python-test-pdb-module
"tb" 'spacemacs/python-test-module
"tl" 'spacemacs/python-test-last
"tT" 'spacemacs/python-test-pdb-one
"tt" 'spacemacs/python-test-one
"tM" 'spacemacs/python-test-pdb-module
"tm" 'spacemacs/python-test-module
"tS" 'spacemacs/python-test-pdb-suite
"ts" 'spacemacs/python-test-suite))
(defun spacemacs//python-sort-imports ()
;; py-isort-before-save checks the major mode as well, however we can prevent
;; it from loading the package unnecessarily by doing our own check
(when (and python-sort-imports-on-save
(derived-mode-p 'python-mode))
(py-isort-before-save)))
;; Formatters
(defun spacemacs//bind-python-formatter-keys ()
"Bind the python formatter keys.
Bind formatter to '==' for LSP and '='for all other backends."
(spacemacs/set-leader-keys-for-major-mode 'python-mode
(if (eq (spacemacs//python-backend) 'lsp)
"=="
"=") 'spacemacs/python-format-buffer))
(defun spacemacs/python-format-buffer ()
"Bind possible python formatters."
(interactive)
(pcase (spacemacs//python-formatter)
(`yapf (yapfify-buffer))
(`black (blacken-buffer))
(`lsp (lsp-format-buffer))
(code (message "Unknown formatter: %S" code))))
;; REPL
(defun spacemacs/python-shell-send-buffer-switch ()
"Send buffer content to shell and switch to it in insert mode."
(interactive)
(let ((python-mode-hook nil))
(python-shell-send-buffer)
(python-shell-switch-to-shell)
(evil-insert-state)))
(defun spacemacs/python-shell-send-buffer ()
"Send buffer content to shell and switch to it in insert mode."
(interactive)
(let ((python-mode-hook nil))
(python-shell-send-buffer)))
(defun spacemacs/python-shell-send-defun-switch ()
"Send function content to shell and switch to it in insert mode."
(interactive)
(let ((python-mode-hook nil))
(python-shell-send-defun nil)
(python-shell-switch-to-shell)
(evil-insert-state)))
(defun spacemacs/python-shell-send-defun ()
"Send function content to shell and switch to it in insert mode."
(interactive)
(let ((python-mode-hook nil))
(python-shell-send-defun nil)))
(defun spacemacs/python-shell-send-region-switch (start end)
"Send region content to shell and switch to it in insert mode."
(interactive "r")
(let ((python-mode-hook nil))
(python-shell-send-region start end)
(python-shell-switch-to-shell)
(evil-insert-state)))
(defun spacemacs/python-shell-send-region (start end)
"Send region content to shell and switch to it in insert mode."
(interactive "r")
(let ((python-mode-hook nil))
(python-shell-send-region start end)))
(defun spacemacs/python-start-or-switch-repl ()
"Start and/or switch to the REPL."
(interactive)
(let ((shell-process
(or (python-shell-get-process)
;; `run-python' has different return values and different
;; errors in different emacs versions. In 24.4, it throws an
;; error when the process didn't start, but in 25.1 it
;; doesn't throw an error, so we demote errors here and
;; check the process later
(with-demoted-errors "Error: %S"
;; in Emacs 24.5 and 24.4, `run-python' doesn't return the
;; shell process
(call-interactively #'run-python)
(python-shell-get-process)))))
(unless shell-process
(error "Failed to start python shell properly"))
(pop-to-buffer (process-buffer shell-process))
(evil-insert-state)))
(defun spacemacs/python-execute-file (arg)
"Execute a python script in a shell."
(interactive "P")
;; set compile command to buffer-file-name
;; universal argument put compile buffer in comint mode
(let ((universal-argument t)
(compile-command (format "%s %s"
(spacemacs/pyenv-executable-find python-shell-interpreter)
(shell-quote-argument (file-name-nondirectory buffer-file-name)))))
(if arg
(call-interactively 'compile)
(compile compile-command t)
(with-current-buffer (get-buffer "*compilation*")
(inferior-python-mode)))))
(defun spacemacs/python-execute-file-focus (arg)
"Execute a python script in a shell and switch to the shell buffer in
`insert state'."
(interactive "P")
(spacemacs/python-execute-file arg)
(switch-to-buffer-other-window "*compilation*")
(end-of-buffer)
(evil-insert-state))
;; fix for issue #2569 (https://github.com/syl20bnr/spacemacs/issues/2569)
(when (version< emacs-version "25")
(advice-add 'wisent-python-default-setup :after
#'spacemacs//python-imenu-create-index-use-semantic-maybe))
(defun spacemacs//bind-python-repl-keys ()
"Bind the keys for testing in Python."
(spacemacs/declare-prefix-for-mode 'inferior-python-mode "mv" "virtualenv")
(spacemacs/set-leader-keys-for-major-mode 'inferior-python-mode
"c" 'comint-clear-buffer
"r" 'pyvenv-restart-python
"vw" 'pyvenv-workon))