From c3aa5bb8b4b3e900037ac31a0c8006147ea68f10 Mon Sep 17 00:00:00 2001
From: Tom Willemsen <tom@ryuslash.org>
Date: Wed, 6 Feb 2013 11:48:18 +0100
Subject: [PATCH] emacs: Use flycheck for python

---
 .emacs.d/init.org         | 23 +++++++++++++++++++++++
 .emacs.d/site-lisp/oni.el |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/.emacs.d/init.org b/.emacs.d/init.org
index 5edf00e..9070798 100644
--- a/.emacs.d/init.org
+++ b/.emacs.d/init.org
@@ -206,6 +206,29 @@
                            "Access to a protected member"))))
    #+END_SRC
 
+   After loading ~flycheck~ Remove the default python checkers and
+   replace them with my own, which tries both ~flake8~ and ~pylint~.
+
+   #+BEGIN_SRC emacs-lisp :tangle init2.el
+     (eval-after-load "flycheck"
+       '(progn
+          (flycheck-declare-checker python-pycheck
+            "Uses pycheck.sh to check for errors/warnings."
+            :command '("pycheck.sh" source-inplace)
+            :error-patterns
+            '(("^\\(?1:.*\\):\\(?2:[0-9]+\\): Warning (W.*): \\(?4:.*\\)$" warning)
+              ("^\\(?1:.*\\):\\(?2:[0-9]+\\): Error (E.*): \\(?4:.*\\)$" error)
+              ("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\[F\\] \\(?4:.*\\)$" error)
+              ("^\\(?1:.*?\\):\\(?2:[0-9]+\\):\\(?:\\(?3:[0-9]+\\):\\)? \\(?4:E[0-9]+.*\\)$" error)
+              ("^\\(?1:.*?\\):\\(?2:[0-9]+\\):\\(?:\\(?3:[0-9]+\\):\\)? \\(?4:W[0-9]+.*\\)$" warning)
+              ("^\\(?1:.*\\):\\(?2:[0-9]+\\): \\(?4:.*\\)$" error))
+            :modes 'python-mode)
+
+          (mapc (lambda (c) (delete c flycheck-checkers))
+                '(python-flake8 python-pylint python-pyflakes))
+          (add-to-list 'flycheck-checkers 'python-pycheck)))
+   #+END_SRC
+
 ** Eshell
 
    Add ~unison~ to the list of =eshell-visual-commands= because it
diff --git a/.emacs.d/site-lisp/oni.el b/.emacs.d/site-lisp/oni.el
index b1c8b14..09a9d79 100644
--- a/.emacs.d/site-lisp/oni.el
+++ b/.emacs.d/site-lisp/oni.el
@@ -376,7 +376,7 @@ When dealing with braces, add another line and indent that too."
 
 (defun oni:python-mode-func ()
   "Function for `python-mode-hook'."
-  (flymake-mode)
+  (flycheck-mode)
   (local-set-key (kbd "C->") 'python-indent-shift-right)
   (local-set-key (kbd "C-<") 'python-indent-shift-left)
   (set (make-local-variable 'electric-indent-chars) nil)