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# 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_func_exists
from powerline.theme import requires_segment_info
@requires_segment_info
def capslock_indicator(pl, segment_info, text='CAPS'):
'''Shows the indicator if tpope/vim-capslock plugin is enabled
.. note::
In the current state plugin automatically disables itself when leaving
insert mode. So trying to use this segment not in insert or replace
modes is useless.
:param str text:
String to show when software capslock presented by this plugin is
active.
'''
if not vim_func_exists('CapsLockStatusline'):
return None
# CapsLockStatusline() function returns an empty string when plugin is
# disabled. If it is not then string is non-empty.
return text if vim.eval('CapsLockStatusline()') else None
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