Merge branch 'release/2020.06.19'

Author: iamWing

.vimrc

@@ -20,7 +20,7 @@ Plugin 'itchyny/lightline.vim'
 " git integration
 Plugin 'tpope/vim-fugitive'
 " syntax check
-Plugin 'vim-syntastic/syntastic'
+Plugin 'dense-analysis/ale'
 " auto generates surround pairs
 Plugin 'jiangmiao/auto-pairs'
 
@@ -51,10 +51,7 @@ set shiftwidth=4        " shift lines by 4 spaces for indent
 set showmatch           " show the matching part of the pair for [] {} & ()
 set softtabstop=4       " for easier backspacing the soft tabs
 set tabstop=4           " set tabs to have 4 spaces
-set tws=20x0            " set terminal windows size
-
-highlight cursorcolumn cterm=NONE ctermbg=darkgrey ctermfg=white
-    \ guibg=darkgrey guifg=white
+set tws=15x0            " set terminal windows size
 
 " split layout
 set splitbelow
@@ -72,13 +69,25 @@ set foldlevel=99
 " enable folding with spacebar
 nnoremap <space> za
 
+" highlight unneccessary whitespaces
+highlight BadWhitespace ctermbg=yellow guibg=yellow
+au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match
+    \ BadWhitespace /\s\+$/
+
+" hide colorcolumn in non-editor windows
+au FileType fugitive,help,qf setlocal nonumber colorcolumn=
+au BufEnter * if &ft == '' | setlocal nonumber colorcolumn= | endif
+
+" enable all Python syntax highlighting features
+let python_highlight_all=1
+
 " plugin settings - NERDTree
 map <C-\> :NERDTreeToggle<CR>
 " open NERDTree automatically when vim starts up with no file specified
 autocmd StdinReadPre * let s:std_in=1
 autocmd VimEnter * if argc() == 0 && ! exists("s:std_in") | NERDTree | endif
 " close vim if the only window left open is NERDTree
-autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree")
+autocmd BufEnter * if (winnr("$") == 1 && exists("b:NERDTree")
     \ && b:NERDTree.isTabTree()) | q | endif
 let NERDTreeShowHidden=1    " show hidden file by default
 let NERDTreeIgnore=['.git$[[dir]]', '.swp', '.DS_Store']
@@ -103,22 +112,8 @@ endif
 let g:ycm_semantic_triggers={ 'python': [ 're!\w{1}' ] }
 let g:ycm_autoclose_preview_window_after_completion=1
 
-" plugin settings - syntasatic
-set statusline+=%#warningmsg#
-set statusline+=%{SyntasticStatuslineFlag()}
-set statusline+=%*
-
-let g:syntastic_always_populate_loc_list=1
-let g:syntastic_auto_loc_list=1
-let g:syntastic_check_on_open=1
-let g:syntastic_check_on_wq=0
-let g:syntastic_python_checkers=['pylint']
-
-" enable all Python syntax highlighting features
-let python_highlight_all=1
-
-" highlight unneccessary whitespaces
-highlight BadWhitespace ctermbg=yellow guibg=yellow
-au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match
-    \ BadWhitespace /\s\+$/
-
+" plugin settings - ale
+let g:ale_linters={ 'python': ['pylint'] }
+let g:ale_fixers={ 'python': ['yapf'] }
+let g:ale_open_list=1
+let g:ale_linters_explicit=1

CHANGELOG.md

@@ -5,6 +5,20 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [2020.06.19]
+### Added
+- Vim plugin `dense-analysis/ale` (a.k.a. ALE) for much faster linting.
+- Auto hide `colorcolumn` and line numbers on quick fix, help, fugitive, and
+YouCompleeteMe windows.
+
+### Changed
+- Color of vim `cursorcolumn` to use the colour defined in `colorscheme`.
+- Terminal size in vim reduced to `15x0`.
+
+### Removed
+- Vim plugin `syntasic` as it slows down the save/load time to seconds even on
+a top spec 16" MacBook Pro.
+
 ## [2020.06.18]
 ### Added
 - `iputils-ping` package in dockerfiles to allow ping.
@@ -24,6 +38,7 @@ found` by pinning the `pipenv` version to `2018.11.26`.
 - `.vimrc` configured for Python developemnt.
 - Ubuntu 20.04 based dockerfiles to build images for Python 3.7 & 3.8 variants.
 
-[Unreleased]: https://github.com/devtography/pyvim/compare/2020.06.18...HEAD
+[Unreleased]: https://github.com/devtography/pyvim/compare/2020.06.19...HEAD
+[2020.06.19]: https://github.com/devtography/pyvim/compare/2020.06.18...2020.06.19
 [2020.06.18]: https://github.com/devtography/pyvim/compare/2020.06.17...2020.06.18
 [2020.06.17]: https://github.com/devtography/pyvim/releases/tag/2020.06.17

README.md

@@ -14,7 +14,7 @@ Included Vim plugins:
 - [SimpylFold] - cold folding for Python
 - [lightline.vim] - statusline/tabline
 - [fugitive.vim] - git integration
-- [syntastic] - syntax check
+- [Asynchronous Lint Engine] \(a.k.a. ALE) - linting
 - [auto-pairs] - auto generates surround pairs
 
 pyvim is good for remote Python development with iPad via `ssh`/`mosh` as 
@@ -57,7 +57,7 @@ pyvim is licensed under the [Apache License, Version 2.0](LICENSE.md).
 [SimpylFold]: https://github.com/tmhedberg/SimpylFold
 [lightline.vim]: https://github.com/itchyny/lightline.vim 
 [fugitive.vim]: https://github.com/tpope/vim-fugitive
-[syntastic]: https://github.com/vim-syntastic/syntastic
+[Asynchronous Lint Engine]: https://github.com/dense-analysis/ale
 [auto-pairs]: https://github.com/jiangmiao/auto-pairs
 [Blink]: https://blink.sh
 [Vundle]: https://github.com/VundleVim/Vundle.vim