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#include "grunge.h"
#include <yaml-cpp/yaml.h>
#include <iostream>
#include <thread>
#include <chrono>
#include <curl_easy.h>
#include <curl_header.h>
#include <deque>
#include "palette.h"
grunge::grunge(
std::string configFile,
std::mt19937& rng) :
rng_(rng)
{
// Load the config file.
YAML::Node config = YAML::LoadFile(configFile);
// Set up the verbly database.
database_ = std::unique_ptr<verbly::database>(
new verbly::database(config["verbly_datafile"].as<std::string>()));
// Set up the Twitter client.
twitter::auth auth;
auth.setConsumerKey(config["consumer_key"].as<std::string>());
auth.setConsumerSecret(config["consumer_secret"].as<std::string>());
auth.setAccessKey(config["access_key"].as<std::string>());
auth.setAccessSecret(config["access_secret"].as<std::string>());
client_ = std::unique_ptr<twitter::client>(new twitter::client(auth));
}
void grunge::run() const
{
for (;;)
{
std::cout << "Generating tweet..." << std::endl;
try
{
// Find a noun to use as the pictured item.
std::cout << "Choosing pictured noun..." << std::endl;
verbly::word pictured = getPicturedNoun();
std::cout << "Noun: " << pictured.getBaseForm().getText() << std::endl;
// Choose a picture of that noun.
std::cout << "Finding an image..." << std::endl;
Magick::Image image = getImageForNoun(pictured);
// Pixelate the image.
std::cout << "Pixelating image..." << std::endl;
image = pixelateImage(std::move(image));
// Pastelize the image.
std::cout << "Pastelizing image..." << std::endl;
image = pastelizeImage(std::move(image));
// Generate the tweet text.
std::cout << "Generating text..." << std::endl;
std::string text = generateTweetText(pictured);
std::cout << "Tweet text: " << text << std::endl;
// Send the tweet.
std::cout << "Sending tweet..." << std::endl;
sendTweet(std::move(text), std::move(image));
std::cout << "Tweeted!" << std::endl;
// Wait.
std::this_thread::sleep_for(std::chrono::hours(1));
} catch (const could_not_get_images& ex)
{
std::cout << ex.what() << std::endl;
} catch (const Magick::ErrorImage& ex)
{
std::cout << "Image error: " << ex.what() << std::endl;
} catch (const Magick::ErrorCorruptImage& ex)
{
std::cout << "Corrupt image: " << ex.what() << std::endl;
} catch (const twitter::twitter_error& ex)
{
std::cout << "Twitter error: " << ex.what() << std::endl;
std::this_thread::sleep_for(std::chrono::hours(1));
}
std::cout << std::endl;
}
}
verbly::word grunge::getPicturedNoun() const
{
verbly::filter whitelist =
(verbly::notion::wnid == 109287968) // Geological formations
|| (verbly::notion::wnid == 109208496) // Asterisms (collections of stars)
|| (verbly::notion::wnid == 109239740) // Celestial bodies
|| (verbly::notion::wnid == 109277686) // Exterrestrial objects (comets and meteroids)
|| (verbly::notion::wnid == 109403211) // Radiators (supposedly natural radiators but actually these are just pictures of radiators)
|| (verbly::notion::wnid == 109416076) // Rocks
|| (verbly::notion::wnid == 105442131) // Chromosomes
|| (verbly::notion::wnid == 100324978) // Tightrope walking
|| (verbly::notion::wnid == 100326094) // Rock climbing
|| (verbly::notion::wnid == 100433458) // Contact sports
|| (verbly::notion::wnid == 100433802) // Gymnastics
|| (verbly::notion::wnid == 100439826) // Track and field
|| (verbly::notion::wnid == 100440747) // Skiing
|| (verbly::notion::wnid == 100441824) // Water sport
|| (verbly::notion::wnid == 100445351) // Rowing
|| (verbly::notion::wnid == 100446980) // Archery
// TODO: add more sports
|| (verbly::notion::wnid == 100021939) // Artifacts
|| (verbly::notion::wnid == 101471682) // Vertebrates
;
verbly::filter blacklist =
(verbly::notion::wnid == 106883725) // swastika
|| (verbly::notion::wnid == 104416901) // tetraskele
|| (verbly::notion::wnid == 102512053) // fish
|| (verbly::notion::wnid == 103575691) // instrument of execution
|| (verbly::notion::wnid == 103829563) // noose
;
verbly::query<verbly::word> pictureQuery = database_->words(
(verbly::notion::fullHypernyms %= whitelist)
&& !(verbly::notion::fullHypernyms %= blacklist)
&& (verbly::notion::partOfSpeech == verbly::part_of_speech::noun)
&& (verbly::notion::numOfImages >= 1));
verbly::word pictured = pictureQuery.first();
return pictured;
}
Magick::Image grunge::getImageForNoun(verbly::word pictured) const
{
// Accept string from Google Chrome
std::string accept = "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
curl::curl_header headers;
headers.add(accept);
int backoff = 0;
std::cout << "Getting URLs..." << std::endl;
std::string lstdata;
while (lstdata.empty())
{
std::ostringstream lstbuf;
curl::curl_ios<std::ostringstream> lstios(lstbuf);
curl::curl_easy lsthandle(lstios);
std::string lsturl = pictured.getNotion().getImageNetUrl();
lsthandle.add<CURLOPT_URL>(lsturl.c_str());
try
{
lsthandle.perform();
} catch (const curl::curl_easy_exception& e)
{
e.print_traceback();
backoff++;
std::cout << "Waiting for " << backoff << " seconds..." << std::endl;
std::this_thread::sleep_for(std::chrono::seconds(backoff));
continue;
}
backoff = 0;
if (lsthandle.get_info<CURLINFO_RESPONSE_CODE>().get() != 200)
{
throw could_not_get_images();
}
std::cout << "Got URLs." << std::endl;
lstdata = lstbuf.str();
}
std::vector<std::string> lstvec = verbly::split<std::vector<std::string>>(lstdata, "\r\n");
if (lstvec.empty())
{
throw could_not_get_images();
}
std::shuffle(std::begin(lstvec), std::end(lstvec), rng_);
std::deque<std::string> urls;
for (std::string& url : lstvec)
{
urls.push_back(url);
}
bool found = false;
Magick::Blob img;
Magick::Image pic;
while (!found && !urls.empty())
{
std::string url = urls.front();
urls.pop_front();
std::ostringstream imgbuf;
curl::curl_ios<std::ostringstream> imgios(imgbuf);
curl::curl_easy imghandle(imgios);
imghandle.add<CURLOPT_HTTPHEADER>(headers.get());
imghandle.add<CURLOPT_URL>(url.c_str());
imghandle.add<CURLOPT_CONNECTTIMEOUT>(30);
try
{
imghandle.perform();
} catch (const curl::curl_easy_exception& error) {
error.print_traceback();
continue;
}
if (imghandle.get_info<CURLINFO_RESPONSE_CODE>().get() != 200)
{
continue;
}
std::string content_type = imghandle.get_info<CURLINFO_CONTENT_TYPE>().get();
if (content_type.substr(0, 6) != "image/")
{
continue;
}
std::string imgstr = imgbuf.str();
img = Magick::Blob(imgstr.c_str(), imgstr.length());
try
{
pic.read(img);
if (pic.rows() > 0)
{
std::cout << url << std::endl;
found = true;
}
} catch (const Magick::ErrorOption& e)
{
// Occurs when the the data downloaded from the server is malformed
std::cout << "Magick: " << e.what() << std::endl;
}
}
if (!found)
{
throw could_not_get_images();
}
return pic;
}
Magick::Image grunge::pixelateImage(Magick::Image image) const
{
// Check that the image is at least 800 pixels in width.
if (image.columns() < 800)
{
Magick::Geometry blownUp(
800,
image.rows() * 800 / image.columns());
image.zoom(blownUp);
}
// Check that the image dimensions are a multiple of four.
if ((image.rows() % 4 != 0) || (image.columns() % 4 != 0))
{
Magick::Geometry cropped(
image.columns() - (image.columns() % 4),
image.rows() - (image.rows() % 4));
image.crop(cropped);
}
// Downscale the image.
Magick::Geometry originalSize = image.size();
Magick::Geometry pixelatedSize(
originalSize.width() / 4,
originalSize.height() / 4);
image.scale(pixelatedSize);
// Scale the image back up.
image.scale(originalSize);
return image;
}
Magick::Image grunge::pastelizeImage(Magick::Image input) const
{
input.quantizeColorSpace(Magick::GRAYColorspace);
input.quantizeColors(256);
input.quantize();
palette pastelPalette = palette::randomPalette(rng_);
Magick::Geometry size = input.size();
Magick::Image pastelized(size, "white");
for (int y=0; y<size.height(); y++)
{
for (int x=0; x<size.width(); x++)
{
Magick::ColorGray grade =
static_cast<Magick::ColorGray>(input.pixelColor(x, y));
Magick::Color mapped = pastelPalette.getColor(grade.shade());
pastelized.pixelColor(x, y, mapped);
}
}
return pastelized;
}
std::string grunge::generateTweetText(verbly::word pictured) const
{
verbly::word simpler = database_->words(
(verbly::notion::partOfSpeech == verbly::part_of_speech::noun)
&& (verbly::notion::fullHyponyms %= pictured)
&& (verbly::form::proper == false)).first();
std::vector<std::string> symbols = {"☯","✡","☨","✞","✝","☮","☥","☦","☪","✌"};
std::string prefix;
std::string suffix;
int length = std::geometric_distribution<int>(0.5)(rng_) + 1;
for (int i=0; i<length; i++)
{
std::string choice = symbols[
std::uniform_int_distribution<int>(0, symbols.size()-1)(rng_)];
prefix += choice;
suffix = choice + suffix;
}
verbly::token action = {
prefix,
"follow for more soft grunge",
simpler,
suffix
};
return action.compile();
}
void grunge::sendTweet(std::string text, Magick::Image image) const
{
Magick::Blob outputBlob;
image.magick("jpg");
image.write(&outputBlob);
long media_id = client_->uploadMedia("image/jpeg", (const char*) outputBlob.data(), outputBlob.length());
client_->updateStatus(std::move(text), {media_id});
}
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