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Copy pathmpdbitl.lua
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--[[
-- mpdbitl
--
-- Script that automatically change bitlbee status message into current MPD
-- track. Requires Weechat 0.3.5 or higher.
--
-- Author: rumia <rumia.youkai.of.dusk@gmail.com>
-- License: WTFPL
--]]
require "socket"
mpdbitl_config = {
enable = true,
hostname = "localhost",
port = 6600,
password = nil,
timeout = 1,
network = "localhost",
channel = "&bitlbee",
bitlbot = "root",
accounts = "",
format_playing = "",
format_paused = "",
format_stopped = "",
format_none = ""
}
mpdbitl_sock = nil
mpdbitl_song_id = nil
mpdbitl_error = {}
mpdbitl_config_file = nil
mpdbitl_current_state = "stop"
mpdbitl_config_file_name = "mpdbitl"
mpdbitl_status_text = ""
mpdbitl_timer = nil
mpdbitl_caught_messages = 0
mpdbitl_msg_hook = nil
-- 1: bitlbot, 2: account id/tag, 3: status message
mpdbitl_status_command_normal = "/mute -all msg %s account %s set status %s"
-- 1: nick/handle, 2: status message
mpdbitl_status_command_alternate = "/mute -all msg %s %s"
function mpdbitl_config_init()
local structure = {
general = {
enable = {
description = "Enable mpdbitl",
default = true
}
},
mpd = {
hostname = {
description = "Hostname of MPD server",
default = "localhost"
},
port = {
description = "Port used by MPD server",
default = 6600,
min = 1,
max= 65535
},
password = {
description = "Password used to authenticate to MPD server",
default = ""
},
timeout = {
description = "Connection timeout (in seconds)",
default = 3,
min = 1,
max = 65535
}
},
bitlbee = {
network = {
description = "Network ID for Bitlbee server",
default = "localhost"
},
channel = {
description = "Bitlbee main channel",
default = "&bitlbee"
},
accounts = {
description =
"Comma separated list of Bitlbee account IDs/tags/handles. " ..
"To specify a handle, prefix the entry with @",
default = {0}
},
bitlbot = {
description = "Bitlbee bot handle name",
default = "root"
},
format_playing = {
description = "Status format when MPD is playing a song",
default = "mpdbitl: {{artist}} — {{title}}"
},
format_paused = {
description = "Status format when MPD is paused",
default = "mpdbitl (paused): {{artist}} — {{title}}"
},
format_stopped = {
description = "Status format when MPD is stoppedsong",
default = "mpdbitl (stopped): {{artist}} — {{title}}"
},
format_none = {
description =
"Status format when MPD is playlist is empty or MPD has reached " ..
"the end of playlist and there's nothing else to play",
default = "mpdbitl (not playing)"
}
}
}
mpdbitl_config_file =
weechat.config_new(mpdbitl_config_file_name, "mpdbitl_config_reload", "")
if mpdbitl_config_file == "" then
return
end
for section_name, section_options in pairs(structure) do
local section = weechat.config_new_section(
mpdbitl_config_file, section_name,
0, 0,
"", "", "", "", "", "", "", "", "", "")
if section == "" then
weechat.config_free(mpdbitl_config_file)
return
end
for option, definition in pairs(section_options) do
local lua_type = type(definition.default)
if lua_type == "number" then
mpdbitl_config[option] =
weechat.config_new_option(
mpdbitl_config_file,
section,
option,
"integer",
definition.description,
"",
(definition.min and definition.min or 0),
(definition.max and definition.max or 0),
definition.default,
definition.default,
0,
"", "", "", "", "", "")
elseif lua_type == "boolean" then
local default = definition.default and "on" or "off"
mpdbitl_config[option] =
weechat.config_new_option(
mpdbitl_config_file,
section,
option,
"boolean",
definition.description,
"",
0,
0,
default,
default,
0,
"", "", "", "", "", "")
elseif lua_type == "table" or lua_type == "string" then
local default = definition.default
if lua_type == "table" then
default = table.concat(
definition.default,
(definition.separator and definition.separator or ","))
end
mpdbitl_config[option] =
weechat.config_new_option(
mpdbitl_config_file,
section,
option,
"string",
definition.description,
"",
0,
0,
default,
default,
0,
"", "", "", "", "", "")
end
end
end
end
function mpdbitl_config_reload(data, config_file)
return weechat.config_reload(config_file)
end
function mpdbitl_config_read()
return weechat.config_read(mpdbitl_config_file)
end
function mpdbitl_config_write()
return weechat.config_write(mpdbitl_config_file)
end
function mpdbitl_msg(...)
if arg and #arg > 0 then
weechat.print("", string.format(unpack(arg)))
end
end
function mpdbitl_connect()
mpdbitl_sock = socket.tcp()
mpdbitl_sock:settimeout(weechat.config_integer(mpdbitl_config.timeout), "t")
local hostname = weechat.config_string(mpdbitl_config.hostname)
local port = weechat.config_integer(mpdbitl_config.port)
if not mpdbitl_sock:connect(hostname, port) then
mpdbitl_msg("Could not connect to %s:%d", hostname, port)
return false
end
local line = mpdbitl_sock:receive("*l")
if not line then
mpdbitl_msg("No response from MPD")
return false
end
if not line:match("^OK MPD") then
mpdbitl_msg("Unknown welcome message: %s", line)
return false
else
local password = weechat.config_string(mpdbitl_config.password)
if password and #password > 0 then
password = password:gsub('\\', '\\\\')
password = password:gsub('"', '\\"')
local command = 'password "' .. password .. '"'
if mpdbitl_send_command(command) then
local response = mpdbitl_fetch_all_responses()
if mpdbitl_error.message then
mpdbitl_msg("MPD error: %s", mpdbitl_error.message)
return false
end
end
end
return true
end
end
function mpdbitl_disconnect()
mpdbitl_send_command("close")
mpdbitl_sock:close()
end
function mpdbitl_send_command(line)
line = line .. "\n"
local sent = mpdbitl_sock:send(line)
return sent == #line
end
function mpdbitl_receive_single_response()
local complete, key, value, _
local error = {}
local line = mpdbitl_sock:receive("*l")
if line then
if line:match("^OK$") then
complete = true
elseif line:match("^ACK") then
_, _,
error.code,
error.index,
error.command,
error.message =
line:find("^ACK %[(%d+)@(%d+)%] {([^}]+)\} (.+)")
complete = true
else
_, _, key, value = line:find("^([^:]+):%s(.+)")
if key then
key = string.gsub(key:lower(), "-", "_")
end
end
end
return key, value, complete, error
end
function mpdbitl_fetch_all_responses()
local result = {}
local complete, key, value
repeat
key, value, complete, mpdbitl_error = mpdbitl_receive_single_response()
if key then
result[key] = value
end
until complete
if mpdbitl_error.message then
mpdbitl_msg(
"MPD Error %s (%s @ %u): %s",
mpdbitl_error.code,
mpdbitl_error.command,
mpdbitl_error.index,
mpdbitl_error.message)
end
return result
end
function mpdbitl_get_server_status()
if mpdbitl_send_command("status") then
return mpdbitl_fetch_all_responses()
else
return false
end
end
function mpdbitl_get_current_song()
if mpdbitl_send_command("currentsong") then
local song = mpdbitl_fetch_all_responses()
if song.time then
local duration = tonumber(song.time)
local hours = math.floor(duration / 3600) % 24
local minutes = math.floor(duration / 60) % 60
local seconds = duration % 60
song.time = string.format("%02d:%02d", minutes, seconds)
if hours > 0 then
song.time = string.format("%02d:%s", hours, song.time)
end
end
return song
else
return false
end
end
function mpdbitl_format_status_text(text, replacement)
if not text or not replacement or #text < 1 or type(replacement) ~= "table" then
return ""
end
return text:gsub("{{([^}]+)}}", function (key)
if replacement[key] then
return replacement[key]
else
return ""
end
end)
end
function mpdbitl_bar_item(data, item, window)
return mpdbitl_status_text
end
function mpdbitl_escape_bitlbee_command_arg(arg)
if type(arg) == 'number' then
return arg
elseif type(arg) == 'string' then
return "'" .. arg:gsub("'", "\\'") .. "'"
else
return "''"
end
end
function mpdbitl_catch_bitlbot_response(total_msg, modifier, msg_network, string)
if not total_msg or total_msg == "" then return string end
if type(total_msg) == "string" then total_msg = tonumber(total_msg) end
if total_msg < 1 or mpdbitl_caught_messages >= total_msg then
return string
end
local network = weechat.config_string(mpdbitl_config.network)
if network ~= msg_network then return string end
local parsed = weechat.info_get_hashtable(
"irc_message_parse",
{message = string})
if not parsed or type(parsed) ~= "table" then return string end
local bitlbot = weechat.config_string(mpdbitl_config.bitlbot)
if bitlbot ~= parsed.nick then return string end
local expected_arg = string.format(
"%s :status = `%s'",
parsed.channel,
mpdbitl_status_text)
if parsed.arguments == expected_arg then
mpdbitl_caught_messages = mpdbitl_caught_messages + 1
if mpdbitl_caught_messages >= total_msg then
if mpdbitl_msg_hook and mpdbitl_msg_hook ~= "" then
weechat.unhook(mpdbitl_msg_hook)
end
end
return ""
else
return string
end
end
function mpdbitl_change_bitlbee_status(data, remaining_calls)
local network = weechat.config_string(mpdbitl_config.network)
local channel = weechat.config_string(mpdbitl_config.channel)
local buf_id = network .. "." .. channel
local buffer = weechat.buffer_search("irc", buf_id)
if buffer == "" then
mpdbitl_msg("No buffer for %s", buf_id)
return weechat.WEECHAT_RC_OK
end
local bitlbot = weechat.config_string(mpdbitl_config.bitlbot)
if weechat.nicklist_search_nick(buffer, "", bitlbot) == "" then
mpdbitl_msg("No such nick: %s", bitlbot)
return weechat.WEECHAT_RC_ERROR
end
local change_status = false
if mpdbitl_connect() then
local server_status = mpdbitl_get_server_status()
if server_status.state ~= mpdbitl_current_state or server_status.songid ~= mpdbitl_song_id then
local format = ""
if server_status.state == "play" then
format = mpdbitl_config.format_playing
elseif server_status.state == "pause" then
format = mpdbitl_config.format_paused
elseif server_status.state == "stop" then
if not server_status.songid then
format = mpdbitl_config.format_none
else
format = mpdbitl_config.format_stopped
end
else
mpdbitl_msg("Unknown state: %s", server_status.state)
mpdbitl_disconnect()
return weechat.WEECHAT_RC_ERROR
end
change_status = true
mpdbitl_current_state = server_status.state
mpdbitl_song_id = server_status.songid
mpdbitl_status_text = mpdbitl_format_status_text(
weechat.config_string(format),
mpdbitl_get_current_song())
end
mpdbitl_disconnect()
if change_status then
local accounts = weechat.config_string(mpdbitl_config.accounts)
local command_for_bitlbot = {}
for account in accounts:gmatch("[^,]+") do
local _, _, target = account:find("^@(.+)")
if not target then
command_for_bitlbot[#command_for_bitlbot + 1] =
string.format(
mpdbitl_status_command_normal,
bitlbot,
mpdbitl_escape_bitlbee_command_arg(account),
mpdbitl_escape_bitlbee_command_arg(mpdbitl_status_text))
else
weechat.command(
buffer,
string.format(
mpdbitl_status_command_alternate,
target,
mpdbitl_status_text))
end
end
weechat.bar_item_update("mpdbitl_track")
if #command_for_bitlbot > 0 then
mpdbitl_caught_messages = 0
mpdbitl_msg_hook = weechat.hook_modifier(
"irc_in2_PRIVMSG",
"mpdbitl_catch_bitlbot_response",
#command_for_bitlbot)
for _, cmd in ipairs(command_for_bitlbot) do
weechat.command(buffer, cmd)
end
end
end
return weechat.WEECHAT_RC_OK
else
return weechat.WEECHAT_RC_ERROR
end
end
function mpdbitl_toggle()
local current = weechat.config_boolean(mpdbitl_config.enable)
local new_value = (current == 0 and 1 or 0)
local result = weechat.config_option_set(mpdbitl_config.enable, new_value, 1)
if new_value == 1 then
mpdbitl_set_timer()
else
mpdbitl_unset_timer()
end
return weechat.WEECHAT_RC_OK
end
function mpdbitl_set_timer()
if not mpdbitl_timer then
mpdbitl_timer = weechat.hook_timer(
60 * 1000, 60, 0,
"mpdbitl_change_bitlbee_status", "")
end
end
function mpdbitl_unset_timer()
if mpdbitl_timer then
weechat.unhook(mpdbitl_timer)
end
end
function mpdbitl_command(data, buffer, arg_string)
local args = {}
arg_string:gsub("([^ \t]+)", function (s) args[#args + 1] = s end)
if #args < 1 then
return weechat.WEECHAT_RC_OK
end
if args[1] == "toggle" then
return mpdbitl_toggle()
elseif args[1] == "change" then
return mpdbitl_change_bitlbee_status()
else
mpdbitl_msg("Unknown command: %s", args[1])
return weechat.WEECHAT_RC_ERROR
end
end
function mpdbitl_unload()
mpdbitl_config_write()
return weechat.WEECHAT_RC_OK
end
function mpdbitl_initialize()
weechat.register(
"mpdbitl",
"rumia <https://github.com/rumia>",
"1.2",
"WTFPL",
"Automatically change bitlbee status message into current MPD track",
"mpdbitl_unload",
"")
mpdbitl_config_init()
mpdbitl_config_read()
weechat.bar_item_new("mpdbitl_track", "mpdbitl_bar_item", "")
weechat.hook_command(
"mpdbitl",
"Change bitlbee status message into current MPD track",
"toggle|change",
"toggle: enable/disable script\n" ..
"change: change bitlbee status immediately\n",
"toggle || change",
"mpdbitl_command",
"")
local enabled = weechat.config_boolean(mpdbitl_config.enable)
if enabled == 1 then
mpdbitl_set_timer()
end
end
mpdbitl_initialize()
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