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 read_pipe = require("lain.helpers").read_pipe
12 local async = require("lain.asyncshell")
13 local json = require("lain.util").dkjson
14 local lain_icons = require("lain.helpers").icons_dir
16 local naughty = require("naughty")
17 local wibox = require("wibox")
19 local math = { floor = math.floor }
21 local string = { format = string.format,
24 local setmetatable = setmetatable
27 -- current weather and X-days forecast
28 -- lain.widgets.weather
30 local function worker(args)
32 local args = args or {}
33 local timeout = args.timeout or 900 -- 15 min
34 local timeout_forecast = args.timeout or 86400 -- 24 hrs
35 local current_call = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
36 local forecast_call = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s'"
37 local city_id = args.city_id or 0 -- placeholder
38 local units = args.units or "metric"
39 local lang = args.lang or "en"
40 local cnt = args.cnt or 7
41 local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'"
42 local icons_path = args.icons_path or lain_icons .. "openweathermap/"
43 local notification_preset = args.notification_preset or {}
44 local notification_text_cmd = args.notification_text_cmd or
45 function (day, desc, tmin, tmax)
46 return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
48 local followmouse = args.followmouse or false
49 local settings = args.settings or function() end
51 weather.widget = wibox.widget.textbox('')
52 weather.icon = wibox.widget.imagebox()
54 function weather.show(t_out)
58 notification_preset.screen = mouse.screen
61 weather.notification = naughty.notify({
62 text = weather.notification_text,
63 icon = weather.icon_path,
65 preset = notification_preset
69 function weather.hide()
70 if weather.notification ~= nil then
71 naughty.destroy(weather.notification)
72 weather.notification = nil
76 function weather.attach(obj)
77 obj:connect_signal("mouse::enter", function()
80 obj:connect_signal("mouse::leave", function()
85 function weather.forecast_update()
86 local cmd = string.format(forecast_call, city_id, units, lang, cnt)
87 async.request(cmd, function(f)
89 weather_now, pos, err = json.decode(f, 1, nil)
91 if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
92 weather.notification_text = ''
93 for i = 1, weather_now["cnt"] do
94 local day = string.gsub(read_pipe(string.format(date_cmd, weather_now["list"][i]["dt"])), "\n", "")
96 local tmin = math.floor(weather_now["list"][i]["temp"]["min"])
97 local tmax = math.floor(weather_now["list"][i]["temp"]["max"])
98 local desc = weather_now["list"][i]["weather"][1]["description"]
100 weather.notification_text = weather.notification_text ..
101 notification_text_cmd(day, desc, tmin, tmax)
103 if i < weather_now["cnt"] then
104 weather.notification_text = weather.notification_text .. "\n"
108 weather.icon_path = icons_path .. "na.png"
109 weather.notification_text = "API/connection error or bad/not set city ID"
114 function weather.update()
115 local cmd = string.format(current_call, city_id, units, lang)
116 async.request(cmd, function(f)
118 weather_now, pos, err = json.decode(f, 1, nil)
120 if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
121 weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
122 weather.icon:set_image(weather.icon_path)
123 widget = weather.widget
126 weather.widget._layout.text = " N/A " -- tries to avoid textbox bugs
127 weather.icon:set_image(icons_path .. "na.png")
132 weather.attach(weather.widget)
134 newtimer("weather-" .. city_id, timeout, weather.update)
135 newtimer("weather_forecast" .. city_id, timeout, weather.forecast_update)
137 return setmetatable(weather, { __index = weather.widget })
140 return setmetatable({}, { __call = function(_, ...) return worker(...) end })