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Look for ini file to spot python project root (#755)

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* Look for ini file to spot project root

When looking for the project root folder it would be better
to check for some well-known init file instead of __init__.py.
Indeed, with python3 it is now possible to have namespace modules
where intermediate dirs are not required to include the __init__.py file.

* Break if statement conditions over several lines

* Add blank lines for the if block

* Add test for FindProjectRoot

* Typo: missing / for MANIFEST.in

* Fix test for non-namespace package

* Add more test cases
This commit is contained in:
Matteo Centenaro
2017-07-11 22:57:37 +02:00
committed by w0rp
parent 768f761017
commit 505d114a68
14 changed files with 65 additions and 0 deletions
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autoload/ale/python.vim
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@@ -11,11 +11,31 @@ let g:ale_virtualenv_dir_names = get(g:, 'ale_virtualenv_dir_names', [
\ 'virtualenv',
\])
function! ale#python#FindProjectRootIni(buffer) abort
for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
if filereadable(l:path . '/MANIFEST.in')
\|| filereadable(l:path . '/setup.cfg')
\|| filereadable(l:path . '/pytest.ini')
\|| filereadable(l:path . '/tox.ini')
return l:path
endif
endfor
return ''
endfunction
" Given a buffer number, find the project root directory for Python.
" The root directory is defined as the first directory found while searching
" upwards through paths, including the current directory, until a path
" containing no __init__.py files is found.
function! ale#python#FindProjectRoot(buffer) abort
let l:ini_root = ale#python#FindProjectRootIni(a:buffer)
if !empty(l:ini_root)
return l:ini_root
endif
for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
if !filereadable(l:path . '/__init__.py')
return l:path