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(use-package flycheck
:ensure t
:defer t
:preface (progn
(defun check-source-predicate ()
(and (executable-find "check.pex")
(buffer-file-name)
(string-match "src/source/.*\.py$" (buffer-file-name)))))
:init
(progn
(add-hook 'prog-mode-hook 'flycheck-mode)
(setq-default flycheck-disabled-checkers '(emacs-lisp-checkdoc)))
:config
(progn
(flycheck-define-checker source-check
"A syntax checker for python source code in Source, using `dist.pex'"
:command ("check.pex" source)
;;; errors are reported like this:
;;; E241:ERROR <file name>:<line> <message>
:error-patterns ((error line-start (1+ nonl) ":ERROR" (1+ nonl) ":" line (message) line-end))
:predicate check-source-predicate
:modes (python-mode))
(add-to-list 'flycheck-checkers 'source-check)))
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