syntastic/syntax_checkers/python/python.vim

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"============================================================================
"File: python.vim
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"Description: Syntax checking plugin for syntastic
"Maintainer: LCD 47 <lcd047 at gmail 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.
"
"============================================================================
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if exists('g:loaded_syntastic_python_python_checker')
finish
endif
let g:loaded_syntastic_python_python_checker = 1
if !exists('g:syntastic_python_python_use_codec')
let g:syntastic_python_python_use_codec = 0
endif
let s:save_cpo = &cpo
set cpo&vim
let s:base_path = expand('<sfile>:p:h', 1) . syntastic#util#Slash()
function! SyntaxCheckers_python_python_IsAvailable() dict
if !executable(self.getExec())
return 0
endif
return syntastic#util#versionIsAtLeast(self.getVersion(), [2, 6])
endfunction
function! SyntaxCheckers_python_python_GetLocList() dict
let compiler = s:base_path . (g:syntastic_python_python_use_codec ? 'codec.py' : 'compile.py')
call self.log('using compiler script', compiler)
let makeprg = self.makeprgBuild({ 'exe': [self.getExec(), compiler] })
let errorformat = '%E%f:%l:%c: %m'
let env = syntastic#util#isRunningWindows() ? {} : { 'TERM': 'dumb' }
return SyntasticMake({
\ 'makeprg': makeprg,
\ 'errorformat': errorformat,
\ 'env': env,
\ 'returns': [0] })
endfunction
refactor how we represent and store checkers using python as a demo Add 2 classes: SyntasticChecker and SyntasticRegistry. SyntasticChecker represents a checker. It holds funcrefs to the checker func, the highlight regex func and a new `isAvailable()` func (that essentially just checks if the checker exe is installed) SyntasticRegistry is responsible for: * loading checkers * storing checkers * fetching the checkers to use according to availability and the users settings Motivation/benefits: * in the current system only one checker can be loaded per filetype * syntax checkers cant be "chained" together * the system is hard to add features to since fundamental concepts like syntax checkers and location lists arent represented explicitly Things left to do: * add a call to g:SyntasticRegistry.CreateAndRegisterChecker() to all checkers * add an `isAvailable` function to all checkers * move all checkers into `syntax_checkers/filetype/checkername.vim` - g:SyntasticRegistry assumes this layout, and its a good idea anyway for consistency and it makes it easier for users to add their own checkers Things to do after all of the above: * add a LocationList class and move all the filtering functions onto it * possibly add an Error class that wraps up each item in a loc list Random notes: * with the new system you can select the checkers to use with e.g. `let g:syntastic_python_checkers=['flake8', 'pylint']` This will try flake8 first, and if no errors are detected it will move onto pylint.
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call g:SyntasticRegistry.CreateAndRegisterChecker({
\ 'filetype': 'python',
\ 'name': 'python'})
let &cpo = s:save_cpo
unlet s:save_cpo
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" vim: set sw=4 sts=4 et fdm=marker: