84 lines
2.0 KiB
Lua
84 lines
2.0 KiB
Lua
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-- Perceptive, a weather notification module for Awesome WM.
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--
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-- Author: Ilia Glazkov
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local naughty = naughty
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local timer = timer
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local io = require("io")
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local debug = require("debug")
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local string = string
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local print = print
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module('perceptive')
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local project_path = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]]
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local script_path = project_path .. 'weather-fetcher.py'
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local script_cmd = script_path .. ' --id='
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local tmpfile = '/tmp/.awesome.weather'
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local weather_data = ""
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local notification = nil
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local pattern = '%a.+'
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local city_id = nil
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function execute(cmd, output, callback)
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-- Executes command line, writes its output to temporary file, and
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-- runs the callback with output as an argument.
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local cmdline = cmd .. " &> " .. output .. " & "
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io.popen(cmdline):close()
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local execute_timer = timer({ timeout = 7 })
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execute_timer:add_signal("timeout", function()
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execute_timer:stop()
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local f = io.open(output)
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callback(f:read("*all"))
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f:close()
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end)
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execute_timer:start()
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end
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function fetch_weather()
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execute(script_cmd .. city_id, tmpfile, function(text)
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old_weather_data = weather_data
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weather_data = string.gsub(text, "[\n]$", "")
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if notification ~= nil and old_weather_data ~= weather_data then
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show_notification()
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end
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end)
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end
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function remove_notification()
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if notification ~= nil then
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naughty.destroy(notification)
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notification = nil
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end
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end
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function show_notification()
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remove_notification()
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notification = naughty.notify({
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text = weather_data,
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})
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end
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function register(widget, id)
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city_id = id
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update_timer = timer({ timeout = 600 })
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update_timer:add_signal("timeout", function()
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fetch_weather()
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end)
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update_timer:start()
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fetch_weather()
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widget:add_signal("mouse::enter", function()
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show_notification()
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end)
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widget:add_signal("mouse::leave", function()
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remove_notification()
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end)
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end
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