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Mikubot/plugins/face.lua

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Lua
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2015-06-07 22:46:18 +02:00
local function request(imageUrl)
local api = "https://faceplusplus-faceplusplus.p.mashape.com/detection/detect?"
local parameters = "attribute=gender%2Cage%2Crace"
parameters = parameters .. "&url="..(URL.escape(imageUrl) or "")
local url = api..parameters
local https = require("ssl.https")
local respbody = {}
local ltn12 = require "ltn12"
local headers = {
["X-Mashape-Key"] = cred_data.x_mashape_key,
["Accept"] = "Accept: application/json"
}
print(url)
local body, code, headers, status = https.request{
url = url,
method = "GET",
headers = headers,
sink = ltn12.sink.table(respbody),
protocol = "tlsv1"
}
if code ~= 200 then return "", code end
local body = table.concat(respbody)
return body, code
end
local function parseData(data)
local jsonBody = json:decode(data)
local response = ""
if jsonBody.error ~= nil then
if jsonBody.error == "IMAGE_ERROR_FILE_TOO_LARGE" then
response = response .. "The image is too big. Provide a smaller image."
elseif jsonBody.error == "IMAGE_ERROR_FAILED_TO_DOWNLOAD" then
response = response .. "Is that a valid url for an image?"
else
response = response .. jsonBody.error
end
elseif jsonBody.face == nil or #jsonBody.face == 0 then
response = response .. "No faces found"
else
response = response .. #jsonBody.face .." face(s) found:\n\n"
for k,face in pairs(jsonBody.face) do
local raceP = ""
if face.attribute.race.confidence > 85.0 then
raceP = face.attribute.race.value:lower()
elseif face.attribute.race.confidence > 50.0 then
raceP = "(probably "..face.attribute.race.value:lower()..")"
else
raceP = "(posibly "..face.attribute.race.value:lower()..")"
end
if face.attribute.gender.confidence > 85.0 then
response = response .. "There is a "
else
response = response .. "There may be a "
end
response = response .. raceP .. " " .. face.attribute.gender.value:lower() .. " "
response = response .. ", " .. face.attribute.age.value .. "(<28>".. face.attribute.age.range ..") years old \n"
end
end
return response
end
local function run(msg, matches)
--return request('http://www.uni-regensburg.de/Fakultaeten/phil_Fak_II/Psychologie/Psy_II/beautycheck/english/durchschnittsgesichter/m(01-32)_gr.jpg')
local data, code = request(matches[1])
if code ~= 200 then return "There was an error. #"..code end
return parseData(data)
end
return {
description = "Who is in that photo?",
usage = {
"/face [url]",
"/recognise [url]"
},
patterns = {
"^/face (.*)$",
"^/recognise (.*)$"
},
run = run
}