Use syntastic instead of pyflakes (supports a ton of more languages)

sources_non_forked/syntastic/syntax_checkers/json/jsonlint.vim

@@ -0,0 +1,43 @@
+"============================================================================
+"File:        jsonlint.vim
+"Description: JSON syntax checker - using jsonlint
+"Maintainer:  Miller Medeiros <contact at millermedeiros dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"============================================================================
+
+if exists("g:loaded_syntastic_json_jsonlint_checker")
+    finish
+endif
+let g:loaded_syntastic_json_jsonlint_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_json_jsonlint_GetLocList() dict
+    let makeprg = self.makeprgBuild({ 'post_args_after': '--compact' })
+
+    let errorformat =
+        \ '%ELine %l:%c,'.
+        \ '%Z\\s%#Reason: %m,'.
+        \ '%C%.%#,'.
+        \ '%f: line %l\, col %c\, %m,'.
+        \ '%-G%.%#'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'defaults': {'bufnr': bufnr('')} })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'json',
+    \ 'name': 'jsonlint'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/json/jsonval.vim

@@ -0,0 +1,41 @@
+"============================================================================
+"File:        jsonval.vim
+"Description: JSON syntax checker - using jsonval
+"Maintainer:  Miller Medeiros <contact at millermedeiros dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"============================================================================
+
+if exists("g:loaded_syntastic_json_jsonval_checker")
+    finish
+endif
+let g:loaded_syntastic_json_jsonval_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_json_jsonval_GetLocList() dict
+    " based on https://gist.github.com/1196345
+    let makeprg = self.makeprgBuild({})
+
+    let errorformat =
+        \ '%E%f:\ %m\ at\ line\ %l,' .
+        \ '%-G%.%#'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'defaults': {'bufnr': bufnr('')} })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'json',
+    \ 'name': 'jsonval'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4: