Remove some leftover Python 2 code

Author: nyalldawson

src/python/qgspythonutilsimpl.cpp

@@ -35,14 +35,6 @@
 #include <QStandardPaths>
 #include <QDebug>
 
-#if (PY_VERSION_HEX < 0x03000000)
-#define PYOBJ2QSTRING(obj) PyString_AsString( obj )
-#elif (PY_VERSION_HEX < 0x03030000)
-#define PYOBJ2QSTRING(obj) QString::fromUtf8( PyBytes_AsString(PyUnicode_AsUTF8String( obj ) ) )
-#else
-#define PYOBJ2QSTRING(obj) QString::fromUtf8( PyUnicode_AsUTF8( obj ) )
-#endif
-
 PyThreadState* _mainState;
 
 QgsPythonUtilsImpl::QgsPythonUtilsImpl()
@@ -98,11 +90,7 @@ bool QgsPythonUtilsImpl::checkSystemImports()
     // we store here paths in unicode strings
     // the str constant will contain utf8 code (through runString)
     // so we call '...'.decode('utf-8') to make a unicode string
-#if (PY_VERSION_HEX < 0x03000000)
-    pluginpaths << '"' + p + "\".decode('utf-8')";
-#else
     pluginpaths << '"' + p + '"';
-#endif
   }
   pluginpaths << homePluginsPath();
   pluginpaths << '"' + pluginsPath() + '"';
@@ -133,21 +121,12 @@ bool QgsPythonUtilsImpl::checkSystemImports()
       return false;
     }
   }
-#if (PY_VERSION_HEX < 0x03000000)
-  // import Qt bindings
-  if ( !runString( "from PyQt4 import QtCore, QtGui",
-                   QObject::tr( "Couldn't load PyQt." ) + '\n' + QObject::tr( "Python support will be disabled." ) ) )
-  {
-    return false;
-  }
-#else
   // import Qt bindings
   if ( !runString( QStringLiteral( "from PyQt5 import QtCore, QtGui" ),
                    QObject::tr( "Couldn't load PyQt." ) + '\n' + QObject::tr( "Python support will be disabled." ) ) )
   {
     return false;
   }
-#endif
 
   // import QGIS bindings
   QString error_msg = QObject::tr( "Couldn't load PyQGIS." ) + '\n' + QObject::tr( "Python support will be disabled." );
@@ -384,11 +363,7 @@ QString QgsPythonUtilsImpl::getTraceback()
   PyErr_Fetch( &type, &value, &traceback );
   PyErr_NormalizeException( &type, &value, &traceback );
 
-#if (PY_VERSION_HEX < 0x03000000)
-  const char* iomod = "cStringIO";
-#else
   const char* iomod = "io";
-#endif
 
   modStringIO = PyImport_ImportModule( iomod );
   if ( !modStringIO )
@@ -421,16 +396,10 @@ QString QgsPythonUtilsImpl::getTraceback()
     TRACEBACK_FETCH_ERROR( "getvalue() failed." );
 
   /* And it should be a string all ready to go - duplicate it. */
-  if ( !
-#if (PY_VERSION_HEX < 0x03000000)
-       PyString_Check( obResult )
-#else
-       PyUnicode_Check( obResult )
-#endif
-     )
+  if ( !PyUnicode_Check( obResult ) )
     TRACEBACK_FETCH_ERROR( "getvalue() did not return a string" );
 
-  result = PYOBJ2QSTRING( obResult );
+  result = QString::fromUtf8( PyUnicode_AsUTF8( obResult ) );
 
 done:
 
@@ -459,24 +428,16 @@ QString QgsPythonUtilsImpl::getTypeAsString( PyObject* obj )
   if ( !obj )
     return QString();
 
-#if (PY_VERSION_HEX < 0x03000000)
-  if ( PyClass_Check( obj ) )
+  if ( PyType_Check( obj ) )
   {
-    QgsDebugMsg( "got class" );
-    return QString( PyString_AsString((( PyClassObject* )obj )->cl_name ) );
+    QgsDebugMsg( "got type" );
+    return QString((( PyTypeObject* )obj )->tp_name );
   }
   else
-#endif
-    if ( PyType_Check( obj ) )
-    {
-      QgsDebugMsg( "got type" );
-      return QString((( PyTypeObject* )obj )->tp_name );
-    }
-    else
-    {
-      QgsDebugMsg( "got object" );
-      return PyObjectToQString( obj );
-    }
+  {
+    QgsDebugMsg( "got object" );
+    return PyObjectToQString( obj );
+  }
 }
 
 bool QgsPythonUtilsImpl::getError( QString& errorClassName, QString& errorText )
@@ -534,41 +495,15 @@ QString QgsPythonUtilsImpl::PyObjectToQString( PyObject* obj )
   // check whether the object is already a unicode string
   if ( PyUnicode_Check( obj ) )
   {
-    result = PYOBJ2QSTRING( obj );
+    result = QString::fromUtf8( PyUnicode_AsUTF8( obj ) );
     return result;
   }
 
-#if (PY_VERSION_HEX < 0x03000000)
-  // check whether the object is a classical (8-bit) string
-  if ( PyString_Check( obj ) )
-  {
-    return QString::fromUtf8( PyString_AS_STRING( obj ) );
-  }
-
-  // it's some other type of object:
-  // convert object to Unicode string (equivalent to calling unicode(obj) )
-  PyObject* obj_uni = PyObject_Unicode( obj ); // obj_uni is new reference
-  if ( obj_uni )
-  {
-    // get utf-8 representation of unicode string (new reference)
-    PyObject* obj_utf8 = PyUnicode_AsUTF8String( obj_uni );
-    // convert from utf-8 to QString
-    if ( obj_utf8 )
-      result = QString::fromUtf8( PyString_AsString( obj_utf8 ) );
-    else
-      result = "(qgis error)";
-
-    Py_XDECREF( obj_utf8 );
-    Py_XDECREF( obj_uni );
-    return result;
-  }
-#endif
-
   // if conversion to Unicode failed, try to convert it to classic string, i.e. str(obj)
   PyObject* obj_str = PyObject_Str( obj ); // new reference
   if ( obj_str )
   {
-    result = PYOBJ2QSTRING( obj_str );
+    result = QString::fromUtf8( PyUnicode_AsUTF8( obj_str ) );
     Py_XDECREF( obj_str );
     return result;
   }