--[[ Licensed under GNU General Public License v2 * (c) 2013, Luke Bonham --]] local newtimer = require("lain.helpers").newtimer local naughty = require("naughty") local wibox = require("wibox") local debug = { getinfo = debug.getinfo } local io = io local os = { date = os.date, getenv = os.getenv } local string = { find = string.find, match = string.match, gsub = string.gsub, sub = string.sub } local tonumber = tonumber local setmetatable = setmetatable -- YAhoo! Weather Notification -- lain.widgets.yawn local yawn = { icon = wibox.widget.imagebox(), widget = wibox.widget.textbox('') } local project_path = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]] local localizations_path = project_path .. 'localizations/' local icon_path = project_path .. 'icons/' local api_url = 'http://weather.yahooapis.com/forecastrss' local units_set = '?u=c&w=' -- Default is Celsius local language = string.match(os.getenv("LANG"), "(%S*$*)[.]") or "en_US" -- if LANG is not set local weather_data = nil local notification = nil local city_id = nil local sky = nil local settings = function() end yawn_notification_preset = {} local function fetch_weather() local url = api_url .. units_set .. city_id local f = io.popen("curl --connect-timeout 1 -fsm 3 '" .. url .. "'" ) local text = f:read("*all") f:close() -- In case of no connection or invalid city ID -- widgets won't display if text == "" or text:match("City not found") then yawn.icon:set_image(icon_path .. "na.png") if text == "" then weather_data = "Service not available at the moment." yawn.widget:set_text(" N/A ") else weather_data = "City not found!\n" .. "Are you sure " .. city_id .. " is your Yahoo city ID?" yawn.widget:set_text(" ? ") end return end -- Processing raw data weather_data = text:gsub("<.->", "") weather_data = weather_data:match("Current Conditions:.-Full") or "" -- may still happens in case of bad connectivity if weather_data == "" then yawn.icon:set_image(icon_path .. "na.png") yawn.widget:set_text(" ? ") return end weather_data = weather_data:gsub("Current Conditions:.-\n", "Now: ") weather_data = weather_data:gsub("Forecast:.-\n", "") weather_data = weather_data:gsub("\nFull", "") weather_data = weather_data:gsub("[\n]$", "") weather_data = weather_data:gsub(" [-] " , ": ") weather_data = weather_data:gsub("[.]", ",") weather_data = weather_data:gsub("High: ", "") weather_data = weather_data:gsub(" Low: ", " - ") -- Getting info for text widget local now = weather_data:sub(weather_data:find("Now:")+5, weather_data:find("\n")-1) forecast = now:sub(1, now:find(",")-1) units = now:sub(now:find(",")+2, -2) -- Day/Night icon change local hour = tonumber(os.date("%H")) sky = icon_path if forecast == "Clear" or forecast == "Fair" or forecast == "Partly Cloudy" or forecast == "Mostly Cloudy" then if hour >= 6 and hour <= 18 then sky = sky .. "Day" else sky = sky .. "Night" end end sky = sky .. forecast:gsub(" ", ""):gsub("/", "") .. ".png" -- In case there's no defined icon for current forecast if io.open(sky) == nil then sky = icon_path .. "na.png" end -- Localization local f = io.open(localizations_path .. language, "r") if language:find("en_") == nil and f ~= nil then f:close() for line in io.lines(localizations_path .. language) do word = string.sub(line, 1, line:find("|")-1) translation = string.sub(line, line:find("|")+1) weather_data = string.gsub(weather_data, word, translation) end end -- Finally setting infos yawn.icon:set_image(sky) widget = yawn.widget _data = weather_data:match(": %S.-,") or weather_data forecast = _data:gsub(": ", ""):gsub(",", "") units = units:gsub(" ", "") settings() end function yawn.hide() if notification ~= nil then naughty.destroy(notification) notification = nil end end function yawn.show(t_out) if yawn.widget._layout.text:match("?") then fetch_weather(settings) end yawn.hide() notification = naughty.notify({ preset = yawn_notification_preset, text = weather_data, icon = sky, timeout = t_out }) end function yawn.register(id, args) local args = args or {} local timeout = args.timeout or 600 settings = args.settings or function() end if args.u == "f" then units_set = '?u=f&w=' end city_id = id newtimer("yawn", timeout, fetch_weather) yawn.icon:connect_signal("mouse::enter", function() yawn.show(0) end) yawn.icon:connect_signal("mouse::leave", function() yawn.hide() end) return yawn end function yawn.attach(widget, id, args) yawn.register(id, args) widget:connect_signal("mouse::enter", function() yawn.show(0) end) widget:connect_signal("mouse::leave", function() yawn.hide() end) end return setmetatable(yawn, { __call = function(_, ...) return yawn.register(...) end })