# vim:fileencoding=utf-8:noet
from __future__ import (unicode_literals, division, absolute_import, print_function)
try:
import vim
except ImportError:
vim = object()
from powerline.bindings.vim import vim_global_exists
from powerline.theme import requires_segment_info
[docs]@requires_segment_info
def ale(segment_info, pl, err_format='ERR: ln {first_line} ({num}) ', warn_format='WARN: ln {first_line} ({num}) '):
'''Show whether ALE has found any errors or warnings
:param str err_format:
Format string for errors.
:param str warn_format:
Format string for warnings.
Highlight groups used: ``ale:warning`` or ``warning``, ``ale:error`` or ``error``.
'''
if not (vim_global_exists('ale_enabled') and int(vim.eval('g:ale_enabled'))):
return None
has_errors = int(vim.eval('ale#statusline#Count(' + str(segment_info['bufnr']) + ').total'))
if not has_errors:
return
error = None
warning = None
errors_count = 0
warnings_count = 0
for issue in vim.eval('ale#engine#GetLoclist(' + str(segment_info['bufnr']) + ')'):
if issue['type'] == 'E':
error = error or issue
errors_count += 1
elif issue['type'] == 'W':
warning = warning or issue
warnings_count += 1
segments = []
if error:
segments.append({
'contents': err_format.format(first_line=error['lnum'], num=errors_count),
'highlight_groups': ['ale:error', 'error'],
})
if warning:
segments.append({
'contents': warn_format.format(first_line=warning['lnum'], num=warnings_count),
'highlight_groups': ['ale:warning', 'warning'],
})
return segments