| 1 | " vimrc file for following the coding standards specified in PEP 7 & 8.
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| 2 | "
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| 3 | " To use this file, source it in your own personal .vimrc file (``source
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| 4 | " <filename>``) or, if you don't have a .vimrc file, you can just symlink to it
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| 5 | " (``ln -s <this file> ~/.vimrc``). All options are protected by autocmds
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| 6 | " (read below for an explanation of the command) so blind sourcing of this file
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| 7 | " is safe and will not affect your settings for non-Python or non-C files.
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| 8 | "
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| 9 | "
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| 10 | " All setting are protected by 'au' ('autocmd') statements. Only files ending
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| 11 | " in .py or .pyw will trigger the Python settings while files ending in *.c or
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| 12 | " *.h will trigger the C settings. This makes the file "safe" in terms of only
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| 13 | " adjusting settings for Python and C files.
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| 14 | "
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| 15 | " Only basic settings needed to enforce the style guidelines are set.
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| 16 | " Some suggested options are listed but commented out at the end of this file.
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| 17 |
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| 18 |
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| 19 | " Number of spaces to use for an indent.
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| 20 | " This will affect Ctrl-T and 'autoindent'.
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| 21 | " Python: 4 spaces
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| 22 | " C: 8 spaces (pre-existing files) or 4 spaces (new files)
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| 23 | au BufRead,BufNewFile *.py,*pyw set shiftwidth=4
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| 24 | au BufRead *.c,*.h set shiftwidth=8
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| 25 | au BufNewFile *.c,*.h set shiftwidth=4
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| 26 |
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| 27 | " Number of spaces that a pre-existing tab is equal to.
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| 28 | " For the amount of space used for a new tab use shiftwidth.
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| 29 | " Python: 8
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| 30 | " C: 8
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| 31 | au BufRead,BufNewFile *py,*pyw,*.c,*.h set tabstop=8
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| 32 |
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| 33 | " Replace tabs with the equivalent number of spaces.
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| 34 | " Also have an autocmd for Makefiles since they require hard tabs.
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| 35 | " Python: yes
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| 36 | " C: no
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| 37 | " Makefile: no
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| 38 | au BufRead,BufNewFile *.py,*.pyw set expandtab
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| 39 | au BufRead,BufNewFile *.c,*.h set noexpandtab
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| 40 | au BufRead,BufNewFile Makefile* set noexpandtab
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| 41 |
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| 42 | " Use the below highlight group when displaying bad whitespace is desired
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| 43 | highlight BadWhitespace ctermbg=red guibg=red
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| 44 |
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| 45 | " Display tabs at the beginning of a line in Python mode as bad.
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| 46 | au BufRead,BufNewFile *.py,*.pyw match BadWhitespace /^\t\+/
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| 47 | " Make trailing whitespace be flagged as bad.
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| 48 | au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/
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| 49 |
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| 50 | " Wrap text after a certain number of characters
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| 51 | " Python: 79
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| 52 | " C: 79
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| 53 | au BufRead,BufNewFile *.py,*.pyw,*.c,*.h set textwidth=79
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| 54 |
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| 55 | " Turn off settings in 'formatoptions' relating to comment formatting.
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| 56 | " - c : do not automatically insert the comment leader when wrapping based on
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| 57 | " 'textwidth'
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| 58 | " - o : do not insert the comment leader when using 'o' or 'O' from command mode
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| 59 | " - r : do not insert the comment leader when hitting <Enter> in insert mode
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| 60 | " Python: not needed
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| 61 | " C: prevents insertion of '*' at the beginning of every line in a comment
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| 62 | au BufRead,BufNewFile *.c,*.h set formatoptions-=c formatoptions-=o formatoptions-=r
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| 63 |
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| 64 | " Use UNIX (\n) line endings.
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| 65 | " Only used for new files so as to not force existing files to change their
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| 66 | " line endings.
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| 67 | " Python: yes
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| 68 | " C: yes
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| 69 | au BufNewFile *.py,*.pyw,*.c,*.h set fileformat=unix
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| 70 |
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| 71 |
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| 72 | " ----------------------------------------------------------------------------
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| 73 | " The following section contains suggested settings. While in no way required
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| 74 | " to meet coding standards, they are helpful.
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| 75 |
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| 76 | " Set the default file encoding to UTF-8: ``set encoding=utf-8``
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| 77 |
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| 78 | " Puts a marker at the beginning of the file to differentiate between UTF and
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| 79 | " UCS encoding (WARNING: can trick shells into thinking a text file is actually
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| 80 | " a binary file when executing the text file): ``set bomb``
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| 81 |
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| 82 | " For full syntax highlighting:
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| 83 | "``let python_highlight_all=1``
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| 84 | "``syntax on``
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| 85 |
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| 86 | " Automatically indent based on file type: ``filetype indent on``
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| 87 | " Keep indentation level from previous line: ``set autoindent``
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| 88 |
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| 89 | " Folding based on indentation: ``set foldmethod=indent``
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