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if not modules then modules = { } end modules ['mtx-youless'] = {
version = 1.002,
comment = "script to fetch data from kwh meter polling device",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE",
license = "see context related readme files"
}
-- This script can fetch data from a youless device (http://www.youless.nl/) where data
-- is merged into a file. The data concerns energy consumption (current wattage as well
-- as kwh usage). There is an accompanying module to generate graphics.
require("util-you")
local formatters = string.formatters
-- the script
local helpinfo = [[
<?xml version="1.0"?>
<application>
<metadata>
<entry name="name">mtx-youless</entry>
<entry name="detail">youless Fetcher</entry>
<entry name="version">1.100</entry>
</metadata>
<flags>
<category name="basic">
<subcategory>
<flag name="collect"><short>collect data from device</short></flag>
<flag name="nobackup"><short>don't backup old datafile</short></flag>
<flag name="nofile"><short>don't write data to file (for checking)</short></flag>
<flag name="electricity"><short>collected eletricity data (p)</short></flag>
<flag name="gas"><short>collected gas data</short></flag>
<flag name="pulse"><short>collected eletricity data (s)</short></flag>
<flag name="host"><short>ip address of device</short></flag>
<flag name="auto"><short>fetch (refresh) all data every hour</short></flag>
</subcategory>
</category>
</flags>
<examples>
<category>
<title>Example</title>
<subcategory>
<example><command>mtxrun --script youless --collect --host=192.168.2.50 --electricity somefile.lua</command></example>
<example><command>mtxrun --script youless --collect --host=192.168.2.50 --gas somefile.lua</command></example>
<example><command>mtxrun --script youless --collect --host=192.168.2.50 --pulse somefile.lua</command></example>
<example><command>mtxrun --script youless --collect --host=192.168.2.50 --auto file-prefix</command></example>
</subcategory>
</category>
</examples>
</application>
]]
local application = logs.application {
name = "mtx-youless",
banner = "YouLess Fetcher 1.10",
helpinfo = helpinfo,
}
local report = application.report
scripts = scripts or { }
scripts.youless = scripts.youless or { }
local arguments = environment.arguments
local files = environment.files
function scripts.youless.collect()
local host = arguments.host
local nobackup = arguments.nobackup
local nofile = arguments.nofile
local password = arguments.password
local filename = files[1]
local delay = tonumber(arguments.delay) or 12*60*60
local function fetch(filename,variant)
local data = utilities.youless.collect {
filename = filename,
host = host,
variant = variant,
nobackup = nobackup,
password = password,
}
if type(data) ~= "table" then
report("no data collected")
elseif filename == "" then
report("data collected but not saved")
end
report("using variant %a",variant)
if filename ~= "" then
report("using file %a",filename)
end
report("current time %a",os.now())
end
if not host then
host = "192.168.2.50"
report("using default host %a",host)
else
report("using host %a",host)
end
if nobackup then
report("not backing up data file")
end
if arguments.auto then
local filename_electricity = formatters["%s-electricity.lua"](filename ~= "" and filename or "youless")
local filename_gas = formatters["%s-gas.lua" ] (filename ~= "" and filename or "youless")
local filename_pulse = formatters["%s-pulse.lua"] (filename ~= "" and filename or "youless")
while true do
fetch(filename_electricity,"electricity")
fetch(filename_gas, "gas")
fetch(filename_pulse, "pulse")
report("sleeping for %i seconds",delay)
io.flush()
os.sleep(delay)
end
else
local variant = (environment.arguments.electricity and "electricity") or
(environment.arguments.watt and "electricity") or
(environment.arguments.gas and "gas") or
(environment.arguments.pulse and "pulse")
if not variant then
report("provide variant --electricity, --gas or --pulse")
return
end
if nofile then
filename = ""
elseif not filename or filename == "" then
filename = formatters["youless-%s.lua"](variant)
end
fetch(filename,variant)
end
end
if environment.argument("collect") then
scripts.youless.collect()
elseif environment.argument("exporthelp") then
application.export(environment.argument("exporthelp"),environment.files[1])
else
application.help()
end
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