rcc: Support Python as output format

Start with  rcc -g python|python2 $name.qrc.

[ChangeLog][rcc] Added support for Python as output format.

Done-with: Friedemann Kleint <Friedemann.Kleint@qt.io>
Fixes: PYSIDE-855
Change-Id: I97a642c3721d6d95b7cd0972d21abb0b2752fd4f
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

2 files changed, 109 insertions, 0 deletions

diff --git a/tests/auto/tools/rcc/data/sizes/size-2-0-35-1_python.expected b/tests/auto/tools/rcc/data/sizes/size-2-0-35-1_python.expected
new file mode 100644
index 0000000000..9dcd131af5
--- /dev/null
+++ b/tests/auto/tools/rcc/data/sizes/size-2-0-35-1_python.expected
@@ -0,0 +1,68 @@
+# Resource object code (Python 3)
+# Created by: object code
+# Created by: The Resource Compiler for Qt version 5.14.0
+# WARNING! All changes made in this file will be lost!
+
+from PySide2 import QtCore
+
+qt_resource_data = b"\
+\x00\x00\x00\x02\
+0\
+1\
+\x00\x00\x00#\
+0\
+123456789 012345\
+6789 0123456789 \
+12\
+\x00\x00\x00\x01\
+@\
+\
+\x00\x00\x00\x00\
+\
+"
+
+qt_resource_name = b"\
+\x00\x04\
+\x00\x06\xa8\xa1\
+\x00d\
+\x00a\x00t\x00a\
+\x00\x0a\
+\x04\x08\x0a\xb4\
+\x00d\
+\x00a\x00t\x00a\x00-\x002\x00.\x00t\x00x\x00t\
+\x00\x0b\
+\x00\xb5Ot\
+\x00d\
+\x00a\x00t\x00a\x00-\x003\x005\x00.\x00t\x00x\x00t\
+\x00\x0a\
+\x04\x11\x0a\xb4\
+\x00d\
+\x00a\x00t\x00a\x00-\x001\x00.\x00t\x00x\x00t\
+\x00\x0a\
+\x04\x0e\x0a\xb4\
+\x00d\
+\x00a\x00t\x00a\x00-\x000\x00.\x00t\x00x\x00t\
+"
+
+qt_resource_struct = b"\
+\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x01\
+\x00\x00\x00\x00\x00\x00\x00\x00\
+\x00\x00\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x02\
+\x00\x00\x00\x00\x00\x00\x00\x00\
+\x00\x00\x00(\x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\
+IGNORE: (time stamp)
+\x00\x00\x00\x0e\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\
+IGNORE: (time stamp)
+\x00\x00\x00^\x00\x00\x00\x00\x00\x01\x00\x00\x002\
+IGNORE: (time stamp)
+\x00\x00\x00D\x00\x00\x00\x00\x00\x01\x00\x00\x00-\
+IGNORE: (time stamp)
+"
+
+def qInitResources():
+    QtCore.qRegisterResourceData(0x03, qt_resource_struct, qt_resource_name, qt_resource_data)
+
+def qCleanupResources():
+    QtCore.qUnregisterResourceData(0x03, qt_resource_struct, qt_resource_name, qt_resource_data)
+
+qInitResources()
diff --git a/tests/auto/tools/rcc/tst_rcc.cpp b/tests/auto/tools/rcc/tst_rcc.cpp
index 2c63b0c770..24fd79cf19 100644
--- a/tests/auto/tools/rcc/tst_rcc.cpp
+++ b/tests/auto/tools/rcc/tst_rcc.cpp
@@ -89,6 +89,8 @@ private slots:
     void readback_data();
     void readback();
 
+    void python();
+
     void cleanupTestCase();
 
 private:
@@ -107,6 +109,12 @@ void tst_rcc::initTestCase()
     QVERIFY(!m_dataPath.isEmpty());
 }
 
+
+static inline bool isPythonComment(const QString &line)
+{
+    return line.startsWith(QLatin1Char('#'));
+}
+
 static QString doCompare(const QStringList &actual, const QStringList &expected,
                          const QString &timeStampPath)
 {
@@ -116,10 +124,13 @@ static QString doCompare(const QStringList &actual, const QStringList &expected,
     }
 
     QByteArray ba;
+    const bool isPython = isPythonComment(expected.constFirst());
     for (int i = 0, n = expected.size(); i != n; ++i) {
         QString expectedLine = expected.at(i);
         if (expectedLine.startsWith("IGNORE:"))
             continue;
+        if (isPython && isPythonComment(expectedLine) && isPythonComment(actual.at(i)))
+            continue;
         if (expectedLine.startsWith("TIMESTAMP:")) {
             const QString relativePath = expectedLine.mid(strlen("TIMESTAMP:"));
             const QFileInfo fi(timeStampPath + QLatin1Char('/') + relativePath);
@@ -405,6 +416,36 @@ void tst_rcc::readback()
     QCOMPARE(resourceData, fileSystemData);
 }
 
+void tst_rcc::python()
+{
+    const QString path = m_dataPath + QLatin1String("/sizes");
+    const QString testFileRoot = path + QLatin1String("/size-2-0-35-1");
+    const QString qrcFile = testFileRoot + QLatin1String(".qrc");
+    const QString expectedFile = testFileRoot + QLatin1String("_python.expected");
+    const QString actualFile = testFileRoot + QLatin1String(".rcc");
+
+    QProcess process;
+    process.setWorkingDirectory(path);
+    process.start(m_rcc, { "-g", "python", "-o", actualFile, qrcFile});
+    QVERIFY2(process.waitForStarted(), msgProcessStartFailed(process).constData());
+    if (!process.waitForFinished()) {
+        process.kill();
+        QFAIL(msgProcessTimeout(process).constData());
+    }
+    QVERIFY2(process.exitStatus() == QProcess::NormalExit,
+             msgProcessCrashed(process).constData());
+    QVERIFY2(process.exitCode() == 0,
+             msgProcessFailed(process).constData());
+
+    const auto actualLines = readLinesFromFile(actualFile, QString::KeepEmptyParts);
+    QVERIFY(!actualLines.isEmpty());
+    const auto expectedLines = readLinesFromFile(expectedFile, QString::KeepEmptyParts);
+    QVERIFY(!expectedLines.isEmpty());
+    const QString diff = doCompare(actualLines, expectedLines, path);
+    if (!diff.isEmpty())
+        QFAIL(qPrintable(diff));
+}
+
 void tst_rcc::cleanupTestCase()
 {
     QDir dataDir(m_dataPath + QLatin1String("/binary"));