https://bugs.gentoo.org/show_bug.cgi?id=581844
https://github.com/lfranchi/libechonest/issues/27

From 009514f65044823ef29045397d4b58dd04d09977 Mon Sep 17 00:00:00 2001
From: Leo Franchi <lfranchi@dropbox.com>
Date: Mon, 18 May 2015 22:08:31 -0400
Subject: [PATCH 1/2] Don't double-encode on Qt4

Fixes issue #27
---
 src/Util.cpp           |  4 +++-
 tests/PlaylistTest.cpp | 22 ++++++++++++++++++++++
 tests/PlaylistTest.h   |  1 +
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/Util.cpp b/src/Util.cpp
index 8401e8c..595435b 100644
--- a/src/Util.cpp
+++ b/src/Util.cpp
@@ -150,7 +150,9 @@ void Echonest::urlAddQueryItem(QUrl& url, const QString& key, const QString& val
     urlQuery.addQueryItem( key, value );
     url.setQuery( urlQuery );
 #else
-    url.addQueryItem( key, value );
+    // We assume here that the key and values, though QStrings, are actually latin1 and not UTF-8.
+    // That is, they've already gone through playlistParamToString(). This is terrible.
+    url.addEncodedQueryItem( key.toLatin1(), value.toLatin1() );
 #endif
 }
 
diff --git a/tests/PlaylistTest.cpp b/tests/PlaylistTest.cpp
index 6f7c606..2ec7eb2 100644
--- a/tests/PlaylistTest.cpp
+++ b/tests/PlaylistTest.cpp
@@ -201,6 +201,28 @@ void PlaylistTest::testStaticXSPF()
 }
 
 
+void PlaylistTest::testStaticWithSpecialChars()
+{
+    DynamicPlaylist::PlaylistParams p;
+    p.append( DynamicPlaylist::PlaylistParamData( Echonest::DynamicPlaylist::Artist, QString::fromUtf8( "Björk" ) ) );
+    p.append( DynamicPlaylist::PlaylistParamData( Echonest::DynamicPlaylist::Type, Echonest::DynamicPlaylist::ArtistRadioType ) );
+    p.append( DynamicPlaylist::PlaylistParamData( Echonest::DynamicPlaylist::Results, 10 ) );
+
+    QNetworkReply* reply = DynamicPlaylist::staticPlaylist( p );
+
+    QVERIFY( reply->url().toEncoded() == "http://developer.echonest.com/api/v4/playlist/static?api_key=JGJCRKWLXLBZIFAZB&format=xml&artist=Bj%C3%B6rk&type=artist-radio&results=10" );
+
+    QEventLoop loop;
+    loop.connect( reply, SIGNAL(finished()), SLOT(quit()) );
+    loop.exec();
+    SongList songs = DynamicPlaylist::parseStaticPlaylist( reply );
+
+    QVERIFY( songs.size() == 10 );
+    Q_FOREACH( const Song& song, songs )
+            QVERIFY( !song.id().isEmpty() );
+
+}
+
 void PlaylistTest::testDynamic1()
 {
     DynamicPlaylist::PlaylistParams p;
diff --git a/tests/PlaylistTest.h b/tests/PlaylistTest.h
index 9d75c05..71c21d6 100644
--- a/tests/PlaylistTest.h
+++ b/tests/PlaylistTest.h
@@ -30,6 +30,7 @@ private slots:
     void testStaticArtistYears();
     void testStaticWithSongType();
     void testStaticXSPF();
+    void testStaticWithSpecialChars();
     void testDynamic1();
     void testDynamic2();
     void testNewDynamicAPI();
-- 
2.7.4