syntastic/syntax_checkers/python/flake8.vim

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"============================================================================
"File: flake8.vim
"Description: Syntax checking plugin for syntastic.vim
"Authors: Sylvain Soliman <Sylvain dot Soliman+git at gmail dot com>
" kstep <me@kstep.me>
"
"============================================================================
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if exists('g:loaded_syntastic_python_flake8_checker')
finish
endif
let g:loaded_syntastic_python_flake8_checker = 1
let s:save_cpo = &cpo
set cpo&vim
function! SyntaxCheckers_python_flake8_GetHighlightRegex(item)
return SyntaxCheckers_python_pyflakes_GetHighlightRegex(a:item)
endfunction
function! SyntaxCheckers_python_flake8_GetLocList() dict
let makeprg = self.makeprgBuild({})
let errorformat =
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\ '%E%f:%l: could not compile,%-Z%p^,' .
\ '%A%f:%l:%c: %t%n: %m,' .
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\ '%A%f:%l:%c: %t%n %m,' .
\ '%A%f:%l: %t%n: %m,' .
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\ '%A%f:%l: %t%n %m,' .
\ '%-G%.%#'
let env = syntastic#util#isRunningWindows() ? {} : { 'TERM': 'dumb' }
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let loclist = SyntasticMake({
\ 'makeprg': makeprg,
\ 'errorformat': errorformat,
\ 'env': env })
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for e in loclist
" E*** and W*** are pep8 errors
" F*** are PyFlakes codes
" C*** are McCabe complexity messages
" N*** are naming conventions from pep8-naming
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" H*** are OpenStack messages
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if has_key(e, 'nr')
let e['text'] .= printf(' [%s%03d]', e['type'], e['nr'])
" E901 are syntax errors
" E902 are I/O errors
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if e['type'] ==? 'E' && e['nr'] !~# '\m^9'
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let e['subtype'] = 'Style'
endif
call remove(e, 'nr')
endif
if e['type'] =~? '\m^[CHNW]'
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let e['subtype'] = 'Style'
endif
let e['type'] = e['type'] =~? '\m^[EFHC]' ? 'E' : 'W'
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endfor
return loclist
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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runtime! syntax_checkers/python/pyflakes.vim
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': 'flake8'})
let &cpo = s:save_cpo
unlet s:save_cpo
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" vim: set sw=4 sts=4 et fdm=marker: