Updated a lot of code snippets on documentation concerning QtCore module.

Reviewed by Hugo Parente <hugo.lima@openbossa.org>
Reviewed by Luciano Wolf <luciano.wolf@openbossa.org>

29 files changed, 172 insertions, 187 deletions

diff --git a/doc/codesnippets/doc/src/snippets/code/doc_src_unicode.qdoc b/doc/codesnippets/doc/src/snippets/code/doc_src_unicode.qdoc
index 30a37108d..526c755e9 100644
--- a/doc/codesnippets/doc/src/snippets/code/doc_src_unicode.qdoc
+++ b/doc/codesnippets/doc/src/snippets/code/doc_src_unicode.qdoc
@@ -1,18 +1,18 @@
 //! [0]
-label->setText("Password:");
+label.setText("Password:")
 //! [0]
 
 
 //! [1]
-label->setText(tr("Password:"));
+label.setText(QObject.tr("Password:"))
 //! [1]
 
 
 //! [2]
-QFile file(QString::fromLatin1("appicon.png"));
+file_ = QFile("appicon.png")
 //! [2]
 
 
 //! [3]
-QFile file(QLatin1String("appicon.png"));
+file_= QFile("appicon.png")
 //! [3]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp
index f1c839d79..47a5c7a43 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_codecs_qtextcodec.cpp
@@ -1,25 +1,25 @@
 //! [0]
 encodedString = QByteArray("...")
-codec = QTextCodec::codecForName("KOI8-R")
-string = codec->toUnicode(encodedString)
+codec = QTextCodec.codecForName("KOI8-R")
+string = codec.toUnicode(encodedString)
 //! [0]
 
 
 //! [1]
-string = QString("...")
-codec = QTextCodec::codecForName("KOI8-R")
-encodedString = codec->fromUnicode(string)
+string = u"..."
+codec = QTextCodec.codecForName("KOI8-R")
+encodedString = codec.fromUnicode(string)
 //! [1]
 
 
 //! [2]
-codec = QTextCodec::codecForName("Shift-JIS")
-decoder = codec->makeDecoder()
+codec = QTextCodec.codecForName("Shift-JIS")
+decoder = codec.makeDecoder()
 
-string = QString()
+string = u''
 while new_data_available():
-    chunk = get_new_data();
-    string += decoder->toUnicode(chunk)
+    chunk = get_new_data()
+    string += decoder.toUnicode(chunk)
 
 //! [2]
 
@@ -27,6 +27,6 @@ while new_data_available():
 //! [3]
 def main():
     app = QApplication([])
-    QTextCodec::setCodecForTr(QTextCodec::codecForName("eucKR"))
+    QTextCodec.setCodecForTr(QTextCodec.codecForName("eucKR"))
     ...
 //! [3]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_concurrent_qthreadpool.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_concurrent_qthreadpool.cpp
index 174b8788f..ecbfe239b 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_concurrent_qthreadpool.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_concurrent_qthreadpool.cpp
@@ -5,5 +5,5 @@ class HelloWorldTask(QRunnable):
 
 hello = HelloWorldTask()
 # QThreadPool takes ownership and deletes 'hello' automatically
-QThreadPool.globalInstance()->start(hello)
+QThreadPool.globalInstance().start(hello)
 //! [0]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp
index 287181a3a..4c1204904 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp
@@ -1,5 +1,5 @@
 //! [0]
-label->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+label.setAlignment(Qt.AlignLeft | Qt.AlignTop)
 //! [0]
 
 
@@ -73,60 +73,58 @@ quint64 value = Q_UINT64_C(932838457459459);
 
 
 //! [10]
-int absoluteValue;
-int myValue = -4;
-
-absoluteValue = qAbs(myValue);
+myValue = -4
+absoluteValue = qAbs(myValue)
 // absoluteValue == 4
 //! [10]
 
 
 //! [11]
-qreal valueA = 2.3;
-qreal valueB = 2.7;
+valueA = 2.3
+valueB = 2.7
 
-int roundedValueA = qRound(valueA);
+roundedValueA = qRound(valueA)
 // roundedValueA = 2
-int roundedValueB = qRound(valueB);
+roundedValueB = qRound(valueB)
 // roundedValueB = 3
 //! [11]
 
 
 //! [12]
-qreal valueA = 42949672960.3;
-qreal valueB = 42949672960.7;
+valueA = 42949672960.3
+valueB = 42949672960.7
 
-int roundedValueA = qRound(valueA);
+roundedValueA = qRound(valueA)
 // roundedValueA = 42949672960
-int roundedValueB = qRound(valueB);
+roundedValueB = qRound(valueB)
 // roundedValueB = 42949672961
 //! [12]
 
 
 //! [13]
-int myValue = 6;
-int yourValue = 4;
+myValue = 6
+yourValue = 4
 
-int minValue = qMin(myValue, yourValue);
+minValue = qMin(myValue, yourValue)
 // minValue == yourValue
 //! [13]
 
 
 //! [14]
-int myValue = 6;
-int yourValue = 4;
+myValue = 6
+yourValue = 4
 
-int maxValue = qMax(myValue, yourValue);
+maxValue = qMax(myValue, yourValue)
 // maxValue == myValue
 //! [14]
 
 
 //! [15]
-int myValue = 10;
-int minValue = 2;
-int maxValue = 6;
+myValue = 10
+minValue = 2
+maxValue = 6
 
-int boundedValue = qBound(minValue, myValue, maxValue);
+boundedValue = qBound(minValue, myValue, maxValue)
 // boundedValue == 6
 //! [15]
 
@@ -436,7 +434,7 @@ namespace QT_NAMESPACE {
 //! [43]
 class MyClass : public QObject
 {
-    
+
   private:
     Q_DISABLE_COPY(MyClass)
 };
@@ -446,7 +444,7 @@ class MyClass : public QObject
 //! [44]
 class MyClass : public QObject
 {
-    
+
   private:
      MyClass(const MyClass &);
      MyClass &operator=(const MyClass &);
@@ -454,7 +452,7 @@ class MyClass : public QObject
 //! [44]
 
 //! [45]
-  QWidget w = QWidget();
+  w = QWidget()
 //! [45]
 
 //! [46]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp
index 5984b62f1..de0fd50ed 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qabstractfileengine.cpp
@@ -1,6 +1,6 @@
 //! [0]
-class ZipEngineHandler(QAbstractFileEngineHandler)
-    def create(fileName):
+class ZipEngineHandler(QAbstractFileEngineHandler):
+    def create(self, fileName):
         # ZipEngineHandler returns a ZipEngine for all .zip files
         if fileName.toLower().endsWith(".zip"):
             return ZipEngine(fileName)
@@ -22,7 +22,7 @@ def main():
 //! [1]
 def create(fileName):
     # ZipEngineHandler returns a ZipEngine for all .zip files
-    if fileName.toLower().endsWith(".zip"):
+    if fileName.lower().endswith(".zip"):
         return ZipEngine(fileName)
     else
         return None
@@ -52,9 +52,9 @@ class CustomIterator(QAbstractFileEngineIterator):
         return self.index < self.entries.size() - 1
 
     def next(self):
-       if !self.hasNext():
-           return QString()
-       index++
+       if not self.hasNext():
+           return None
+       index += 1
        return currentFilePath()
 
     def currentFileName(self):
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp
index 6b66276b7..033a54c9c 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp
@@ -2,27 +2,27 @@ void wrapInFunction()
 {
 
 //! [0]
-file = QFile("file.dat")
-file.open(QIODevice.WriteOnly)
+file_ = QFile("file.dat")
+file_.open(QIODevice.WriteOnly)
 # we will serialize the data into the file
-out = QDataStream(file)
+out = QDataStream(file_)
 # serialize a string
-out << "the answer is"    
+out.writeQString("the answer is")
 # serialize an integer
 out.writeInt32(42)
 //! [0]
 
 
 //! [1]
-file = QFile("file.dat")
-file.open(QIODevice.ReadOnly)
+file_ = QFile("file.dat")
+file_.open(QIODevice.ReadOnly)
 # read the data serialized from the file
-i = QDataStream(file)
-str = QString()
+i = QDataStream(file_)
+string = ''
 a = 0
 # extract "the answer is" and 42
-i >> str
-a = i.readInt32()                  
+string = i.readQString()
+a = i.readInt32()
 //! [1]
 
 
@@ -32,15 +32,15 @@ stream.setVersion(QDataStream.Qt_4_0)
 
 
 //! [3]
-file = QFile("file.xxx")
-file.open(QIODevice.WriteOnly)
-out = QDataStream(file)
+file_ = QFile("file.xxx")
+file_.open(QIODevice.WriteOnly)
+out = QDataStream(file_)
 
 # Write a header with a "magic number" and a version
 out.writeInt32(0xA0B0C0D0)
 out.writeInt32(123)
 
-out.setVersion(QDataStream.Qt_4_0);
+out.setVersion(QDataStream.Qt_4_0)
 
 // Write the data
 out << lots_of_interesting_data
@@ -48,9 +48,9 @@ out << lots_of_interesting_data
 
 
 //! [4]
-file = QFile("file.xxx")
-file.open(QIODevice.ReadOnly)
-i = QDataStream(file)
+file_ = QFile("file.xxx")
+file_.open(QIODevice.ReadOnly)
+i = QDataStream(file_)
 
 // Read and check the header
 magic = i.readInt32()
@@ -65,20 +65,20 @@ if version > 123:
     return XXX_BAD_FILE_TOO_NEW
 
 if version <= 110:
-    in.setVersion(QDataStream.Qt_3_2)
+    in_.setVersion(QDataStream.Qt_3_2)
 else:
-    in.setVersion(QDataStream.Qt_4_0)
+    in_.setVersion(QDataStream.Qt_4_0)
 
 // Read the data
-in >> lots_of_interesting_data
+in_ >> lots_of_interesting_data
 if version >= 120:
-    in >> data_new_in_XXX_version_1_2
-in >> other_interesting_data
+    in_ >> data_new_in_XXX_version_1_2
+in_ >> other_interesting_data
 //! [4]
 
 
 //! [5]
-out = QDataStream(file)
+out = QDataStream(file_)
 out.setVersion(QDataStream.Qt_4_0)
 //! [5]
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdir.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdir.cpp
index 5bb0b07d8..a849e488b 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdir.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdir.cpp
@@ -28,14 +28,14 @@ absolutePath = directory.absoluteFilePath("contents.txt")
 
 //! [4]
 dir = QDir("example")
-if !dir.exists():
+if not dir.exists():
     print "Cannot find the example directory"
 //! [4]
 
 
 //! [5]
 dir = QDir.root()                 # "/"
-if !dir.cd("tmp"):                # "/tmp"
+if not dir.cd("tmp"):             # "/tmp"
     print "Cannot find the \"/tmp\" directory"
 else:
     file = QFile(dir.filePath("ex1.txt"))   # "/tmp/ex1.txt"
@@ -83,7 +83,7 @@ if dir.isRoot():
 
 
 //! [10]
-// The current directory is "/usr/local"
+# The current directory is "/usr/local"
 d1 = QDir("/usr/local/bin")
 d2 = QDir("bin")
 if d1 == d2:
@@ -112,7 +112,7 @@ Q_INIT_RESOURCE(myapp);
 
 
 //! [14]
-def initMyResource(): 
+def initMyResource():
     Q_INIT_RESOURCE(myapp)
 
 class MyNamespace
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qfileinfo.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qfileinfo.cpp
index fb0e1c8fc..c021c3b5d 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qfileinfo.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qfileinfo.cpp
@@ -11,7 +11,7 @@ info1.size()                # returns 56201
 info1.symLinkTarget()       # returns "/opt/pretty++/bin/untabify"
 
 info2 = QFileInfo(info1.symLinkTarget())
-info1.isSymLink()           # returns false
+info1.isSymLink()           # returns False
 info1.absoluteFilePath()    # returns "/opt/pretty++/bin/untabify"
 info1.size()                # returns 56201
 
@@ -20,25 +20,25 @@ info1.size()                # returns 56201
 
 //! [1]
 info1 = QFileInfo("C:\\Documents and Settings\\Bob\\untabify.lnk")
-info1.isSymLink()           # returns true
+info1.isSymLink()           # returns True
 info1.absoluteFilePath()    # returns "C:/Documents and Settings/Bob/untabify.lnk"
 info1.size()                # returns 743
 info1.symLinkTarget()       # returns "C:/Pretty++/untabify"
 
 info2 = QFileInfo(info1.symLinkTarget())
-info1.isSymLink()           # returns false
+info1.isSymLink()           # returns False
 info1.absoluteFilePath()    # returns "C:/Pretty++/untabify"
 info1.size()                # returns 63942
 //! [1]
 
 
 //! [2]
-absolute = QString("/local/bin")
-relative = QString("local/bin")
+absolute = "/local/bin"
+relative = "local/bin"
 absFile = QFileInfo(absolute)
 relFile = QFileInfo(relative)
 
-QDir.setCurrent(QDir::rootPath())
+QDir.setCurrent(QDir.rootPath())
 # absFile and relFile now point to the same file
 
 QDir.setCurrent("/tmp")
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qiodevice.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qiodevice.cpp
index 44bd19795..6b791bfc2 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qiodevice.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qiodevice.cpp
@@ -1,10 +1,10 @@
 //! [0]
 gzip = QProcess()
-gzip.start("gzip", QStringList() << "-c")
-if !gzip.waitForStarted():
-    return false
+gzip.start("gzip", ["-c"])
+if not gzip.waitForStarted():
+    return False
 
-gzip.write("uncompressed data");
+gzip.write("uncompressed data")
 
 compressed = QByteArray()
 while gzip.waitForReadyRead():
@@ -21,7 +21,7 @@ def bytesAvailable(self):
 //! [2]
 file = QFile("box.txt")
 if file.open(QFile.ReadOnly):
-    buf = file.readLine(1024);
+    buf = file.readLine(1024)
     if buf.size():
         # the line is available in buf
 //! [2]
@@ -29,20 +29,20 @@ if file.open(QFile.ReadOnly):
 
 //! [3]
 def canReadLine(self):
-    return buffer.contains('\n') || QIODevice.canReadLine()
+    return buffer.contains('\n') or QIODevice.canReadLine()
 //! [3]
 
 
 //! [4]
-def isExeFile(file):
-    buf = file->peek(2);
+def isExeFile(file_):
+    buf = file_.peek(2)
     if buf.size() == 2:
-        return (buf[0] == 'M' && buf[1] == 'Z')
-    return false
+        return buf[0] == 'M' and buf[1] == 'Z'
+    return False
 //! [4]
 
 
 //! [5]
-def isExeFile(file):
-    return file->peek(2) == "MZ"
+def isExeFile(file_):
+    return file_.peek(2) == "MZ"
 //! [5]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp
index 7f4bd7a69..228a24cb5 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp
@@ -6,10 +6,11 @@ builder = QProcess()
 builder.setProcessChannelMode(QProcess.MergedChannels)
 builder.start("make", QStringList() << "-j2")
 
+import sys
 if !builder.waitForFinished():
-    qDebug() << "Make failed:" << builder.errorString()
+    sys.stderr.write("Make failed:" + builder.errorString())
 else
-    qDebug() << "Make output:" << builder.readAll()
+    sys.stderr.write("Make output:" + builder.readAll())
 //! [0]
 
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qsettings.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qsettings.cpp
index 71745fa06..f07dc8b0c 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qsettings.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qsettings.cpp
@@ -106,8 +106,8 @@ settings.endGroup()
 
 //! [15]
 class Login:
-    userName = QString()
-    password = QString()
+    userName = ''
+    password = ''
 
     logins = []
     ...
@@ -127,8 +127,8 @@ class Login:
 
 //! [16]
 class Login:
-    userName = QString()
-    password = QString()
+    userName = ''
+    password = ''
 
     logins = []
     ...
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtemporaryfile.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtemporaryfile.cpp
index 8ebbd9e3d..77d394e57 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtemporaryfile.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtemporaryfile.cpp
@@ -2,9 +2,9 @@
 //! [0]
     # Within a function/method...
 
-    file = QTemporaryFile()
-    if file.open():
-        # file.fileName() returns the unique file name
+    file_ = QTemporaryFile()
+    if file_.open():
+        # file_.fileName() returns the unique file name
 
     # The QTemporaryFile destructor removes the temporary file
     # as it goes out of scope.
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtextstream.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtextstream.cpp
index 6988af4d3..18e1f69fb 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtextstream.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qtextstream.cpp
@@ -1,6 +1,6 @@
 //! [0]
 data = QFile("output.txt")
-if data.open(QFile.WriteOnly | QFile::Truncate):
+if data.open(QFile.WriteOnly | QFile.Truncate):
     out = QTextStream(&data)
     out << "Result: " << qSetFieldWidth(10) << left << 3.14 << 2.7
     # writes "Result: 3.14      2.7       "
@@ -19,15 +19,15 @@ while(True):
 
 
 //! [2]
-in = QTextStream("0x50 0x20")
+in_ = QTextStream("0x50 0x20")
 firstNumber = 0
 secondNumber = 0
 
-in >> firstNumber             # firstNumber == 80
-in >> dec >> secondNumber     # secondNumber == 0
+in_ >> firstNumber             # firstNumber == 80
+in_ >> dec >> secondNumber     # secondNumber == 0
 
 ch = None
-in >> ch                      # ch == 'x'
+in_ >> ch                      # ch == 'x'
 //! [2]
 
 
@@ -36,16 +36,16 @@ def main():
     # read numeric arguments (123, 0x20, 4.5...)
     for i in sys.argv():
           number = None
-          QTextStream in(i)
-          in >> number
+          QTextStream in_(i)
+          in_ >> number
           ...
 //! [3]
 
 
 //! [4]
 str = QString()
-in = QTextStream(sys.stdin.fileno())
-in >> str
+in_ = QTextStream(sys.stdin.fileno())
+in_ >> str
 //! [4]
 
 
@@ -65,11 +65,11 @@ out << "Qt" << "rocks!"
 
 
 //! [7]
-in = QTextStream(file)
+in_ = QTextStream(file)
 ch1 = QChar()
 ch2 = QChar()
 ch3 = QChar()
-in >> ch1 >> ch2 >> ch3;
+in_ >> ch1 >> ch2 >> ch3;
 //! [7]
 
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qurl.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qurl.cpp
index a56843816..c0a4fcace 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qurl.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qurl.cpp
@@ -12,10 +12,10 @@ url = QUrl.fromEncoded("http://qtsoftware.com/List%20of%20holidays.xml")
 //! [2]
 def checkUrl(url):
     if !url.isValid():
-        print QString("Invalid URL: %1").arg(url.toString())
-        return false
+        print "Invalid URL: %s" % url.toString()
+        return False
 
-    return true
+    return True
 
 //! [2]
 
@@ -41,6 +41,6 @@ print baseUrl.resolved(relativeUrl).toString()
 
 //! [6]
 ba = QUrl.toPercentEncoding("{a fishy string?}", "{}", "s")
-print ba.constData()
+print ba
 # prints "{a fi%73hy %73tring%3F}"
 //! [6]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp
index f9cc0015f..48d3a24c6 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qcoreapplication.cpp
@@ -6,7 +6,7 @@ QApplication.sendEvent(mainWindow, event)
 
 //! [1]
 quitButton = QPushButton("Quit")
-QObject.connect(quitButton, SIGNAL("clicked()"), app, SLOT("quit()"))
+quitButton.clicked.connect(app.quit)
 //! [1]
 
 
@@ -22,19 +22,11 @@ myEventFilter(message, result)
 
 
 //! [4]
-static int *global_ptr = 0;
+def cleanup_stuff():
+    # do the cleanup stuff
 
-static void cleanup_ptr()
-{
-    delete [] global_ptr;
-    global_ptr = 0;
-}
-
-void init_ptr()
-{
-    global_ptr = new int[100];      // allocate data
-    qAddPostRoutine(cleanup_ptr);   // delete later
-}
+def init_stuff():
+    qAddPostRoutine(cleanup_stuff)
 //! [4]
 
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp
index 5676f1318..046b40ce0 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qmetaobject.cpp
@@ -48,17 +48,13 @@ class MyClass:
 
 //! [propertyCount]
 metaObject = obj.metaObject()
-properties = QStringList()
-for i in range(metaObject.propertyOffset(), metaObject.propertyCount()):
-    properties << QString.fromLatin1(metaObject.property(i).name())
+properties = [metaObject.property(i).name() for i in range(metaObject.propertyOffset(), metaObject.propertyCount())]
 //! [propertyCount]
 
 
 //! [methodCount]
 metaObject = obj.metaObject()
-methods = QStringList()
-for i in rang(metaObject.methodOffset(), metaObject->methodCount()):
-    methods << QString.fromLatin1(metaObject.method(i).signature())
+methods = [metaObject.method(i).signature() for i in range(metaObject.methodOffset(), metaObject.methodCount())]
 //! [methodCount]
 
 //! [6]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qtimer.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qtimer.cpp
index 1b7ea4ee2..bb646a105 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qtimer.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qtimer.cpp
@@ -6,5 +6,5 @@ def main():
     app = QApplication([])
     QTimer.singleShot(600000, app, SLOT('quit()'))
     ...
-    return app.exec()
+    return app.exec_()
 //! [0]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_thread_qthread.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_thread_qthread.cpp
index a10012725..768f96f8c 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_thread_qthread.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_thread_qthread.cpp
@@ -5,5 +5,5 @@ class MyThread (QThread):
         # connect QTcpSocket's signals somewhere meaningful
         # ...
         socket.connectToHost(hostName, portNumber)
-        exec_()
+        self.exec_()
 //! [0]
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbitarray.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbitarray.cpp
index 19be88f99..d79467652 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbitarray.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbitarray.cpp
@@ -173,7 +173,7 @@ c = a | b
 
 //! [14]
 a = QBitArray(3)
-QBitArray b(2)
+b = QBitArray(2)
 c = QBitArray()
 a[0] = 1
 a[1] = 0
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp
index c097a260d..c563df444 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp
@@ -327,15 +327,13 @@ ba = QByteArray.number(12.3456, 'E', 3)
 
 
 //! [43]
- static const char mydata[] = {
-    0x00, 0x00, 0x03, 0x84, 0x78, 0x9c, 0x3b, 0x76,
-    0xec, 0x18, 0xc3, 0x31, 0x0a, 0xf1, 0xcc, 0x99,
-    ...
-    0x6d, 0x5b
-};
+mydata = '\x00\x00\x03\x84\x78\x9c\x3b\x76'\
+         '\xec\x18\xc3\x31\x0a\xf1\xcc\x99'\
+         ...
+         '\x6d\x5b'
 
-QByteArray data = QByteArray::fromRawData(mydata, sizeof(mydata));
-QDataStream in(&data, QIODevice::ReadOnly);
+data = QByteArray.fromRawData(mydata)
+in_ = QDataStream(data, QIODevice.ReadOnly)
 ...
 //! [43]
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qdatetime.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qdatetime.cpp
index b935e34a6..ccd438027 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qdatetime.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qdatetime.cpp
@@ -36,7 +36,7 @@ QDate.isValid(1202, 6, 6)   # True (even though 1202 is pre-Gregorian)
 
 
 //! [5]
-n = QTime(14, 0, 0)                # n == 14:00:00
+n = QTime(14, 0, 0)              # n == 14:00:00
 t = QTime()
 t = n.addSecs(70)                # t == 14:01:10
 t = n.addSecs(-70)               # t == 13:58:50
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qlocale.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qlocale.cpp
index 6fedb1f67..c1b846899 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qlocale.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qlocale.cpp
@@ -14,15 +14,18 @@ hebrew = QLocale() # Constructs a default QLocale
 s1 = hebrew.toString(15714.3, 'e')
 
 QLocale.setDefault(QLocale(QLocale.C))
-(d, ok) = QString("1234,56").toDouble()   # ok == false
-(d, ok) = QString("1234.56").toDouble()   # ok == true, d == 1234.56
+c = QLocale()
+(d, ok) = c.toDouble("1234,56")   # ok == false
+(d, ok) = c.toDouble("1234.56")   # ok == true, d == 1234.56
 
 QLocale.setDefault(QLocale(QLocale.German))
-(d, ok) = QString("1234,56").toDouble()   # ok == true, d == 1234.56
-(d, ok) = QString("1234.56").toDouble()   # ok == true, d == 1234.56
+german = QLocale()
+(d, ok) = german.toDouble("1234,56")   # ok == true, d == 1234.56
+(d, ok) = german.toDouble("1234.56")   # ok == true, d == 1234.56
 
 QLocale.setDefault(QLocale(QLocale.English, QLocale.UnitedStates))
-string = QString("%1 %L2 %L3").arg(12345).arg(12345).arg(12345, 0, 16)
+english = QLocale()
+string = '%s %s %10x' % (12345, english.toString(12345), 12345)
 # string == "12345 12,345 3039"
 //! [1]
 
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qtimeline.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qtimeline.cpp
index 5f2e97853..5b0d16e2e 100644
--- a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qtimeline.cpp
+++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qtimeline.cpp
@@ -6,10 +6,10 @@ progressBar.setRange(0, 100)
 # Construct a 1-second timeline with a frame range of 0 - 100
 timeLine = QTimeLine(1000, self)
 timeLine.setFrameRange(0, 100)
-QObject.connect(timeLine, SIGNAL("frameChanged(int)"), progressBar, SLOT("setValue(int)"))
+timeLine.frameChanged[int].connect(progressBar.setValue)
 
 # Clicking the push button will start the progress bar animation
 pushButton = QPushButton(QObject.tr("Start animation"), self)
-QObject.connect(pushButton, SIGNAL("clicked()"), timeLine, SLOT("start()"))
+pushButton.clicked.connect(timeLine.start)
 ...
 //! [0]
diff --git a/doc/codesnippets/doc/src/snippets/process/process.cpp b/doc/codesnippets/doc/src/snippets/process/process.cpp
index 3baeb5888..7201bdb16 100644
--- a/doc/codesnippets/doc/src/snippets/process/process.cpp
+++ b/doc/codesnippets/doc/src/snippets/process/process.cpp
@@ -45,7 +45,7 @@ bool zip()
 {
 //! [0]
     gzip = QProcess()
-    gzip.start("gzip", QStringList() << "-c")
+    gzip.start("gzip", ["-c"])
     if not gzip.waitForStarted():
         return False
 
diff --git a/doc/codesnippets/doc/src/snippets/qdir-namefilters/main.cpp b/doc/codesnippets/doc/src/snippets/qdir-namefilters/main.cpp
index d34fdf393..259821fa5 100644
--- a/doc/codesnippets/doc/src/snippets/qdir-namefilters/main.cpp
+++ b/doc/codesnippets/doc/src/snippets/qdir-namefilters/main.cpp
@@ -39,28 +39,21 @@
 **
 ****************************************************************************/
 
-#include <QDir>
-#include <iostream>
+from PySide.QtCore import *
 
-int main(int argc, char *argv[])
-{
-    QDir dir;
-    dir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks);
-    dir.setSorting(QDir::Size | QDir::Reversed);
+def main():
+    dir_ = QDir()
+    dir_.setFilter(QDir.Files | QDir.Hidden | QDir.NoSymLinks)
+    dir_.setSorting(QDir.Size | QDir.Reversed)
 
 //! [0]
-    filters = QStringList()
-    filters << "*.cpp" << "*.cxx" << "*.cc"
-    dir.setNameFilters(filters)
+    filters = ["*.cpp", "*.cxx", "*.cc"]
+    dir_.setNameFilters(filters)
 //! [0]
+//
+    lst = d.entryInfoList()
+
+    print "     Bytes Filename"
+    for fileInfo in lst:
+        print '%d %s' % (fileInfo.size(), fileInfo.fileName())
 
-    QFileInfoList list = dir.entryInfoList();
-    std::cout << "     Bytes Filename" << std::endl;
-    for (int i = 0; i < list.size(); ++i) {
-        QFileInfo fileInfo = list.at(i);
-        std::cout << qPrintable(QString("%1 %2").arg(fileInfo.size(), 10)
-                                                .arg(fileInfo.fileName()));
-        std::cout << std::endl;
-    }
-    return 0;
-}
diff --git a/doc/codesnippets/doc/src/snippets/qprocess-environment/main.cpp b/doc/codesnippets/doc/src/snippets/qprocess-environment/main.cpp
index ed49da3e8..696daeb37 100644
--- a/doc/codesnippets/doc/src/snippets/qprocess-environment/main.cpp
+++ b/doc/codesnippets/doc/src/snippets/qprocess-environment/main.cpp
@@ -44,10 +44,15 @@
 void startProcess()
 {
 //! [0]
+import re
+from PySide.QtCore import QProcess
+
 process = QProcess()
+
 env = QProcess.systemEnvironment()
-env << "TMPDIR=C:\\MyApp\\temp" # Add an environment variable
-env.replaceInStrings(QRegExp("^PATH=(.*)", Qt.CaseInsensitive), "PATH=\\1;C:\\Bin")
+env.append("TMPDIR=C:\\MyApp\\temp") # Add an environment variable
+regex = re.compile(r'^PATH=(.*)', re.IGNORECASE)
+env = [regex.sub(r'PATH=\1;C:\\Bin', var) for var in env]
 process.setEnvironment(env)
 process.start("myapp")
 //! [0]
diff --git a/doc/codesnippets/doc/src/snippets/qprocess/qprocess-simpleexecution.cpp b/doc/codesnippets/doc/src/snippets/qprocess/qprocess-simpleexecution.cpp
index 09bb7cac8..b17f9ef8d 100644
--- a/doc/codesnippets/doc/src/snippets/qprocess/qprocess-simpleexecution.cpp
+++ b/doc/codesnippets/doc/src/snippets/qprocess/qprocess-simpleexecution.cpp
@@ -51,13 +51,12 @@ int main(int argc, char *argv[])
     parent = &app;
 
 //! [1]
-    program = QString("./path/to/Qt/examples/widgets/analogclock")
+    program = "./path/to/Qt/examples/widgets/analogclock"
 //! [1]
     program = "./../../../../examples/widgets/analogclock/analogclock";
 
 //! [2]
-    arguments = QStringList()
-    arguments << "-style" << "motif"
+    arguments ["-style", "motif"]
 
     myProcess = QProcess(parent)
     myProcess.start(program, arguments)
diff --git a/doc/codesnippets/doc/src/snippets/timers/timers.cpp b/doc/codesnippets/doc/src/snippets/timers/timers.cpp
index 3e5e1ace7..9a0587072 100644
--- a/doc/codesnippets/doc/src/snippets/timers/timers.cpp
+++ b/doc/codesnippets/doc/src/snippets/timers/timers.cpp
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include <QTimer>
+from PySide.QtCore import QTimer
 
 class Foo : public QObject
 {
@@ -52,7 +52,7 @@ Foo::Foo()
 //! [0]
     timer = QTimer(self)
 //! [0] //! [1]
-    self.connect(timer, SIGNAL("timeout()"), self.updateCaption)
+    timer.timeout.connect(self.updateCaption)
 //! [1] //! [2]
     timer.start(1000)
 //! [2]
@@ -66,7 +66,7 @@ Foo::Foo()
 //! [4]
     timer = QTimer(self)
 //! [4] //! [5]
-    self.connect(timer, SIGNAL("timeout()"), self.processOneThing)
+    timer.timeout.connect(self.processOneThing)
 //! [5] //! [6]
     timer.start()
 //! [6]
@@ -75,5 +75,5 @@ Foo::Foo()
 
 int main()
 {
-    
+
 }
diff --git a/doc/codesnippets/doc/src/snippets/whatsthis/whatsthis.cpp b/doc/codesnippets/doc/src/snippets/whatsthis/whatsthis.cpp
index 4bd1961ab..871254b2b 100644
--- a/doc/codesnippets/doc/src/snippets/whatsthis/whatsthis.cpp
+++ b/doc/codesnippets/doc/src/snippets/whatsthis/whatsthis.cpp
@@ -42,7 +42,7 @@
 //! [0]
     Act = QAction(tr("&New"), self)
     Act.setShortcut(tr("Ctrl+N"))
-    Act.setStatusTip(tr("Create a new file"))
-    Act.setWhatsThis(tr("Click self option to create a new file."))
+    Act.setStatusTip(QObject.tr("Create a new file"))
+    Act.setWhatsThis(QObject.tr("Click self option to create a new file."))
 //! [0]