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al-skel/home/.config/awesome/vicious/contrib/batacpi.lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
local table = { insert = table.insert }
local string = { match = string.match }
-- }}}
-- Batacpi: provides state, charge, and remaining time for all batteries using acpitool
-- vicious.contrib.batacpi
local batacpi = {}
-- {{{ Battery widget type
local function worker(format)
local battery_info = {}
local battery_state = {
["full"] = "",
["unknown"] = "",
["charged"] = "",
["charging"] = "+",
["discharging"] = "-"
}
-- Get data from acpitool
local f = io.popen("acpitool -b")
for line in f:lines() do
-- Check if the battery is present
if string.match(line, "^[%s]+Battery.*") then
-- Store state and charge information
table.insert(battery_info, (battery_state[string.match(line, "([%a]*),") or "unknown"]))
table.insert(battery_info, (tonumber(string.match(line, "([%d]?[%d]?[%d])%.")) or 0))
-- Store remaining time information
table.insert(battery_info, (string.match(line, "%%,%s(.*)") or "N/A"))
else
return {battery_state["unknown"], 0, "N/A"}
end
end
f:close()
return battery_info
end
-- }}}
return setmetatable(batacpi, { __call = function(_, ...) return worker(...) end })