All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
4 Licensed under GNU General Public License v2
5 * (c) 2015, Luke Bonham
9 local newtimer = require("lain.helpers").newtimer
10 local async = require("lain.asyncshell")
11 local json = require("lain.util").dkjson
12 local lain_icons = require("lain.helpers").icons_dir
13 local naughty = require("naughty")
14 local wibox = require("wibox")
16 local math = { floor = math.floor }
18 local string = { format = string.format,
21 local setmetatable = setmetatable
24 -- current weather and X-days forecast
25 -- lain.widgets.weather
27 local function worker(args)
29 local args = args or {}
30 local timeout = args.timeout or 900 -- 15 min
31 local timeout_forecast = args.timeout or 86400 -- 24 hrs
32 local current_call = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
33 local forecast_call = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s'"
34 local city_id = args.city_id or 0 -- placeholder
35 local units = args.units or "metric"
36 local lang = args.lang or "en"
37 local cnt = args.cnt or 7
38 local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'"
39 local icons_path = args.icons_path or lain_icons .. "openweathermap/"
40 local notification_preset = args.notification_preset or {}
41 local followmouse = args.followmouse or false
42 local settings = args.settings or function() end
44 weather.widget = wibox.widget.textbox('')
45 weather.icon = wibox.widget.imagebox()
47 function weather.show(t_out)
51 notification_preset.screen = mouse.screen
54 weather.notification = naughty.notify({
55 text = weather.notification_text,
56 icon = weather.icon_path,
58 preset = notification_preset
62 function weather.hide()
63 if weather.notification ~= nil then
64 naughty.destroy(weather.notification)
65 weather.notification = nil
69 function weather.attach(obj)
70 obj:connect_signal("mouse::enter", function()
73 obj:connect_signal("mouse::leave", function()
78 function weather.forecast_update()
79 local cmd = string.format(forecast_call, city_id, units, lang, cnt)
80 async.request(cmd, function(f)
81 weather_now, pos, err = json.decode(f, 1, nil)
83 if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
84 weather.notification_text = ''
85 for i = 1, weather_now["cnt"] do
86 local f = assert(io.popen(string.format(date_cmd, weather_now["list"][i]["dt"])))
87 day = string.gsub(f:read("*all"), "\n", "")
90 tmin = math.floor(weather_now["list"][i]["temp"]["min"])
91 tmax = math.floor(weather_now["list"][i]["temp"]["max"])
92 desc = weather_now["list"][i]["weather"][1]["description"]
94 weather.notification_text = weather.notification_text ..
95 string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
97 if i < weather_now["cnt"] then
98 weather.notification_text = weather.notification_text .. "\n"
102 weather.icon_path = icons_path .. "na.png"
103 weather.notification_text = "API/connection error or bad/not set city ID"
108 function weather.update()
109 local cmd = string.format(current_call, city_id, units, lang)
110 async.request(cmd, function(f)
111 weather_now, pos, err = json.decode(f, 1, nil)
113 if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
114 weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
115 weather.icon:set_image(weather.icon_path)
116 widget = weather.widget
119 weather.widget._layout.text = " N/A " -- tries to avoid textbox bugs
120 weather.icon:set_image(icons_path .. "na.png")
125 weather.attach(weather.widget)
127 newtimer("weather-" .. city_id, timeout, weather.update)
128 newtimer("weather_forecast" .. city_id, timeout, weather.forecast_update)
130 return setmetatable(weather, { __index = weather.widget })
133 return setmetatable({}, { __call = function(_, ...) return worker(...) end })