Added an example QFileImportInterface which doesn't work yet!

git-svn-id: http://svn.code.sf.net/p/pythonqt/code/trunk@42 ea8d5007-eb21-0410-b261-ccb3ea6e24a9

Author: ezust

examples/CPPPyWrapperExample/CPPPyWrapperExample.cpp

@@ -1,9 +1,12 @@
 #include <PythonQt.h>
 #include <QtGui>
+#include "QFileImportInterface.h"
+
 int main (int argc, char* argv[]) {
     QApplication app(argc, argv);
     PythonQt::init();
     PythonQtObjectPtr mainModule = PythonQt::self()->getMainModule();
+    mainModule.evalScript(QString("import sys\n"));
     Q_ASSERT(!mainModule.isNull());
     { 
       // evaluate a python file embedded in executable as resource:
@@ -17,10 +20,22 @@ int main (int argc, char* argv[]) {
       // tag goes out of scope, reference count decremented.
     }
     qDebug() << "test1";
+/*
+    {  
+      // Allow the python system path to recognize QFile paths in the sys.path
+      QFileImportInterface qfii;
+      // append the Qt resource root directory to the sys.path
+      mainModule.evalScript("sys.path.append(':')\n");
+      mainModule.evalScript("import eyed3tagger\n");
+      PythonQtObjectPtr tag = mainModule.evalScript("eyed3tagger.EyeD3Tagger()\n", Py_eval_input);
+      Q_ASSERT(!tag.isNull());
+      tag.call("setFileName", QVariantList() << "t.mp3");
+      QVariant fn = tag.call("fileName", QVariantList());
+      Q_ASSERT(fn.toString() == QString("t.mp3"));
+    } 
+    qDebug() << "test2"; */
     { // alternative using import and loading it as a real module from sys.path
       // import sys first
-      mainModule.evalScript(QString("import sys\n"));
-      // append the current directory to the sys.path
       mainModule.evalScript(QString("sys.path.append('%1')\n").arg(QDir::currentPath()));
       mainModule.evalScript("import eyed3tagger\n");
       PythonQtObjectPtr tag = mainModule.evalScript("eyed3tagger.EyeD3Tagger()\n", Py_eval_input);
@@ -29,7 +44,6 @@ int main (int argc, char* argv[]) {
       QVariant fn = tag.call("fileName", QVariantList());
       Q_ASSERT(fn.toString() == QString("t.mp3"));
     }
-
     qDebug() << "finished";
     return 0;
 }

examples/CPPPyWrapperExample/CPPPyWrapperExample.pro

@@ -2,7 +2,9 @@ CONFIG += debug
 VPATH += 
 INCLUDEPATH += . $$(PYTHONQT_ROOT)/src /usr/include/python2.5
 
-SOURCES += CPPPyWrapperExample.cpp
+SOURCES += CPPPyWrapperExample.cpp QFileImportInterface.cpp
+HEADERS += QFileImportInterface.h
+
 
 LIBS += -L$$(PYTHONQT_ROOT)/lib -lPythonQt  -lutil
 

examples/CPPPyWrapperExample/QFileImportInterface.cpp

@@ -0,0 +1,42 @@
+#include <QFile>
+#include <QFileInfo>
+
+#include <PythonQt.h>
+#include "QFileImportInterface.h"
+
+QFileImportInterface::QFileImportInterface() {
+    m_oldInterface = PythonQt::importInterface();
+    PythonQt::self()->setImporter(this);
+}    
+
+QFileImportInterface::~QFileImportInterface()  {
+    PythonQt::self()->setImporter(m_oldInterface);
+}
+
+QByteArray QFileImportInterface::readFileAsBytes (const QString &filename) {
+    qDebug() << "readFileAsBytes: " << filename;
+    QFile f(filename);
+    return f.readAll();
+}
+
+QByteArray QFileImportInterface::readSourceFile (const QString &filename, bool &ok) {
+    QFile f(filename);
+    if (!exists(filename)) {
+        ok = false;
+        return QByteArray();
+    }
+    else {
+        ok = true;
+        return readFileAsBytes(filename);
+    }
+}
+
+bool QFileImportInterface::exists (const QString &filename) {
+    QFile f(filename);
+    return f.exists();
+}
+
+QDateTime QFileImportInterface::lastModifiedDate (const QString &filename) {
+    QFileInfo fi(filename);
+    return fi.lastModified();
+}

examples/CPPPyWrapperExample/QFileImportInterface.h

@@ -0,0 +1,20 @@
+#ifndef QFILEIMPORTINTERFACE_H
+#define QFILEIMPORTINTERFACE_H
+
+#include <PythonQtImportFileInterface.h>
+
+/** Under Construction : This does not work yet.
+*/
+class QFileImportInterface : public PythonQtImportFileInterface {
+public:
+    QFileImportInterface();
+    ~QFileImportInterface();
+    QByteArray readFileAsBytes (const QString &filename);
+    QByteArray readSourceFile (const QString &filename, bool &ok);
+    bool exists (const QString &filename);
+    QDateTime lastModifiedDate (const QString &filename);
+private:
+    PythonQtImportFileInterface *m_oldInterface;
+};
+
+#endif        //  #ifndef QFILEIMPORTINTERFACE_H