vicious/widgets/mpd.lua

64 lines
2.1 KiB
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
---------------------------------------------------
-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
local string = { gmatch = string.gmatch }
local helpers = require("vicious.helpers")
-- }}}
-- Mpd: provides Music Player Daemon information
module("vicious.widgets.mpd")
-- {{{ MPD widget type
local function worker(format, warg)
local mpd_state = {
["{volume}"] = 0,
["{state}"] = "N/A",
["{Artist}"] = "N/A",
["{Title}"] = "N/A",
["{Album}"] = "N/A",
["{Genre}"] = "N/A",
--["{Name}"] = "N/A",
--["{file}"] = "N/A",
}
-- Fallback to MPD defaults
local pass = warg and warg[1] or "\"\""
local host = warg and warg[2] or "127.0.0.1"
local port = warg and warg[3] or "6600"
-- Construct MPD client options
local mpdh = "telnet://"..host..":"..port
local echo = "echo 'password "..pass.."\nstatus\ncurrentsong\nclose'"
-- Get data from MPD server
local f = io.popen(echo.." | curl --connect-timeout 1 -fsm 3 "..mpdh)
for line in f:lines() do
for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
if k == "volume" then mpd_state["{"..k.."}"] = v and tonumber(v)
elseif k == "state" then mpd_state["{"..k.."}"] = helpers.capitalize(v)
elseif k == "Artist" then mpd_state["{"..k.."}"] = helpers.escape(v)
elseif k == "Title" then mpd_state["{"..k.."}"] = helpers.escape(v)
elseif k == "Album" then mpd_state["{"..k.."}"] = helpers.escape(v)
elseif k == "Genre" then mpd_state["{"..k.."}"] = helpers.escape(v)
--elseif k == "Name" then mpd_state["{"..k.."}"] = helpers.escape(v)
--elseif k == "file" then mpd_state["{"..k.."}"] = helpers.escape(v)
end
end
end
f:close()
return mpd_state
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })