Reread configuration upon every invocation of Flake8().

[etc/vim.git] / README.mdown

diff --git a/README.mdown b/README.mdown
index 5d87dc069a00d51ce29245b0b16dc536ed69017d..86a09cb2b967a65e4bb66b0fec59ce31dc2ad688 100644 (file)
--- a/README.mdown
+++ b/README.mdown
@@ -5,14 +5,16 @@ a static syntax and style checker for Python source code.  It supersedes both
 [vim-pyflakes](https://github.com/nvie/vim-pyflakes) and
 [vim-pep8](https://github.com/nvie/vim-pep8).
 
-Flake8 is a wrapper around PyFlakes (static syntax checker), PEP8 (style
-checker) and Ned's MacCabe script (complexity checker).
+[Flake8](http://pypi.python.org/pypi/flake8/) is a wrapper around PyFlakes 
+(static syntax checker), PEP8 (style checker) 
+and Ned's MacCabe script (complexity checker).
 
 
 Installation
 ------------
 Use [vim-pathogen](https://github.com/tpope/vim-pathogen) if you're not using
-it already.  Then, simply put the contents of this repository in your
+it already.  Make sure you've installed the [flake8](http://pypi.python.org/pypi/flake8/) package.
+Then, simply put the contents of this repository in your
 `~/.vim/bundle` directory.
 
 Usage
@@ -32,15 +34,6 @@ the `<F7>` key if so.  For example, to remap it to `<F3>` instead, use:
 
     autocmd FileType python map <buffer> <F3> :call Flake8()<CR>
 
-
-Tips
-----
-A tip might be to run the Flake8 check every time you write a Python file, to
-enable this, add the following line to your `.vimrc` file (thanks
-[Godefroid](http://github.com/gotcha)!):
-
-    autocmd BufWritePost *.py call Flake8()
-
 To ignore errors, in your .vimrc:
 
     let g:flake8_ignore="E501,W293"
@@ -49,10 +42,23 @@ If you want to change the max line length for PEP8:
 
     let g:flake8_max_line_length=99
 
+To set the maximum [McCabe complexity](https://en.wikipedia.org/wiki/Cyclomatic_complexity) before a warning is issued:
+
+    let g:flake8_max_complexity=10
+
 To cutomize the location of your flake8 binary, set `g:flake8_cmd`:
 
     let g:flake8_cmd="/opt/strangebin/flake8000"
 
+
+Tips
+----
+A tip might be to run the Flake8 check every time you write a Python file, to
+enable this, add the following line to your `.vimrc` file (thanks
+[Godefroid](http://github.com/gotcha)!):
+
+    autocmd BufWritePost *.py call Flake8()
+
 This plugin goes well together with the following plugin:
 
 - [PyUnit](http://github.com/nvie/vim-pyunit) (unit test helper under `<F8>`