Python Bindings: use configurable "python" choices

Replaces hardcoded "python" with PYTHON_EXE developed in ./configure

Requires distclean.

Closes: #13546

Signed-off-by: Bill Meek <billmeek@mythtv.org>

mythtv/configure

@@ -7656,6 +7656,7 @@ cat > $TMPH <<EOF
 #define JDK_HOME "$JDK_HOME"
 #define JAVA_ARCH "$java_arch"
 #define IMAGE_ALIGN $image_align
+#define PYTHON_EXE "${python}"
 EOF
 
 # Code only checks whether HAVE_BDJ_J2ME is defined, not what value

mythtv/programs/mythbackend/mainserver.cpp

@@ -6948,7 +6948,7 @@ void MainServer::HandleMusicGetLyricGrabbers(const QStringList &/*slist*/, Playb
     for (int x = 0; x < scripts.count(); x++)
     {
         QProcess p;
-        p.start(QString("python %1 -v").arg(scripts.at(x)));
+        p.start(QString("%1 %2 -v").arg(PYTHON_EXE).arg(scripts.at(x)));
         p.waitForFinished(-1);
         QString result = p.readAllStandardOutput();
 

mythtv/programs/mythutil/musicmetautils.cpp

@@ -4,6 +4,7 @@
 #include <QDomDocument>
 
 // libmyth* headers
+#include "mythconfig.h"
 #include "exitcodes.h"
 #include "mythlogging.h"
 #include "storagegroup.h"
@@ -491,7 +492,7 @@ static int FindLyrics(const MythUtilCommandLineParser &cmdline)
     for (int x = 0; x < scripts.count(); x++)
     {
         QProcess p;
-        p.start(QString("python %1 -v").arg(scripts.at(x)));
+        p.start(QString("%1 %2 -v").arg(PYTHON_EXE).arg(scripts.at(x)));
         p.waitForFinished(-1);
         QString result = p.readAllStandardOutput();
 
@@ -535,8 +536,8 @@ static int FindLyrics(const MythUtilCommandLineParser &cmdline)
         gCoreContext->SendMessage(QString("MUSIC_LYRICS_STATUS %1 %2").arg(songID).arg(statusMessage));
 
         QProcess p;
-        p.start(QString("python %1 --artist=\"%2\" --album=\"%3\" --title=\"%4\" --filename=\"%5\"")
-                        .arg(grabber.m_filename).arg(artist).arg(album).arg(title).arg(filename));
+        p.start(QString("%1 %2 --artist=\"%3\" --album=\"%4\" --title=\"%5\" --filename=\"%6\"")
+                        .arg(PYTHON_EXE).arg(grabber.m_filename).arg(artist).arg(album).arg(title).arg(filename));
         p.waitForFinished(-1);
         QString result = p.readAllStandardOutput();