summaryrefslogtreecommitdiff
path: root/ale_linters
diff options
context:
space:
mode:
authorJon Parise <jon@indelible.org>2022-02-07 22:54:25 -0800
committerGitHub <noreply@github.com>2022-02-08 15:54:25 +0900
commit8b1ea33cc0cb18bec3bf19d1131b322b313cea4e (patch)
tree754da607ffda3bf955187e6194e4b182fa3ebfde /ale_linters
parent2428d4d81d964a3be83bea649c882012acd4b210 (diff)
downloadale-8b1ea33cc0cb18bec3bf19d1131b322b313cea4e.zip
Add a unimport linter for Python files (#4058)
Unimport (https://github.com/hakancelik96/unimport/) is a linter, formatter for finding and removing unused import statements. This introduces linting support, although fixer support could come later.
Diffstat (limited to 'ale_linters')
-rw-r--r--ale_linters/python/unimport.vim75
1 files changed, 75 insertions, 0 deletions
diff --git a/ale_linters/python/unimport.vim b/ale_linters/python/unimport.vim
new file mode 100644
index 00000000..71fd80f0
--- /dev/null
+++ b/ale_linters/python/unimport.vim
@@ -0,0 +1,75 @@
+" Author: Author: Jon Parise <jon@indelible.org>
+
+call ale#Set('python_unimport_executable', 'unimport')
+call ale#Set('python_unimport_options', '')
+call ale#Set('python_unimport_use_global', get(g:, 'ale_use_global_executables', 0))
+call ale#Set('python_unimport_auto_pipenv', 0)
+call ale#Set('python_unimport_auto_poetry', 0)
+
+function! ale_linters#python#unimport#GetExecutable(buffer) abort
+ if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'python_unimport_auto_pipenv'))
+ \ && ale#python#PipenvPresent(a:buffer)
+ return 'pipenv'
+ endif
+
+ if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'python_unimport_auto_poetry'))
+ \ && ale#python#PoetryPresent(a:buffer)
+ return 'poetry'
+ endif
+
+ return ale#python#FindExecutable(a:buffer, 'python_unimport', ['unimport'])
+endfunction
+
+function! ale_linters#python#unimport#GetCommand(buffer) abort
+ let l:executable = ale_linters#python#unimport#GetExecutable(a:buffer)
+ let l:exec_args = l:executable =~? 'pipenv\|poetry$'
+ \ ? ' run unimport'
+ \ : ''
+
+ return '%e' . l:exec_args
+ \ . ale#Pad(ale#Var(a:buffer, 'python_unimport_options'))
+ \ . ' --check'
+ \ . ' %t'
+endfunction
+
+
+function! ale_linters#python#unimport#GetCwd(buffer) abort
+ let l:project_root = ale#python#FindProjectRoot(a:buffer)
+
+ return !empty(l:project_root)
+ \ ? l:project_root
+ \ : expand('#' . a:buffer . ':p:h')
+endfunction
+
+
+function! ale_linters#python#unimport#Handle(buffer, lines) abort
+ let l:output = ale#python#HandleTraceback(a:lines, 10)
+
+ if !empty(l:output)
+ return l:output
+ endif
+
+ " Matches lines like:
+ "
+ " urllib.parse at path/to/file.py:9
+ let l:pattern = '\v(.+) at [^:]+:(\d+)$'
+
+ for l:match in ale#util#GetMatches(a:lines, l:pattern)
+ call add(l:output, {
+ \ 'lnum': l:match[2] + 0,
+ \ 'type': 'W',
+ \ 'text': 'unused: ' . l:match[1],
+ \})
+ endfor
+
+ return l:output
+endfunction
+
+
+call ale#linter#Define('python', {
+\ 'name': 'unimport',
+\ 'executable': function('ale_linters#python#unimport#GetExecutable'),
+\ 'cwd': function('ale_linters#python#unimport#GetCwd'),
+\ 'command': function('ale_linters#python#unimport#GetCommand'),
+\ 'callback': 'ale_linters#python#unimport#Handle',
+\})