Re #11383. Filled in python launch script.

Code/Mantid/Build/CMake/LinuxPackageScripts.cmake

@@ -136,6 +136,12 @@ configure_file ( ${CMAKE_MODULE_PATH}/Packaging/launch_mantidplot.sh.in
 # Needs to be executable
 execute_process ( COMMAND "chmod" "+x" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/launch_mantidplot.sh"
                   OUTPUT_QUIET ERROR_QUIET )
+configure_file ( ${CMAKE_MODULE_PATH}/Packaging/mantidpython.in 
+                 ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/mantidpython @ONLY )
+# Needs to be executable
+execute_process ( COMMAND "chmod" "+x" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/mantidpython"
+                  OUTPUT_QUIET ERROR_QUIET )
+
 # Package version
 set ( MANTIDPLOT_EXEC MantidPlot_exe )
 configure_file ( ${CMAKE_MODULE_PATH}/Packaging/launch_mantidplot.sh.in 
@@ -146,3 +152,11 @@ install ( FILES ${CMAKE_CURRENT_BINARY_DIR}/launch_mantidplot.sh.install
           GROUP_EXECUTE GROUP_READ
           WORLD_EXECUTE WORLD_READ
 )
+configure_file ( ${CMAKE_MODULE_PATH}/Packaging/mantidpython.in 
+                 ${CMAKE_CURRENT_BINARY_DIR}/mantidpython.install @ONLY )
+install ( FILES ${CMAKE_CURRENT_BINARY_DIR}/mantidpython.install
+          DESTINATION ${BIN_DIR} RENAME mantidpython
+          PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ
+          GROUP_EXECUTE GROUP_READ
+          WORLD_EXECUTE WORLD_READ
+)

Code/Mantid/Build/CMake/Packaging/mantidpython.in

@@ -7,6 +7,7 @@
 # Find out where we are
 SCRIPTFILE=$(readlink -f "$0")
 INSTALLDIR=$(echo $SCRIPTFILE | sed -r -e 's|^(.*)/(.*)$|\1|g') #.* is greedy and eats up until the final slash
+IPYTHON=$(command -v ipython)
 
 # Define extra libraries and load paths
 LOCAL_PRELOAD=`readlink --no-newline --canonicalize-existing @TCMALLOC_LIBRARIES@`
@@ -20,5 +21,14 @@ else
     TCM_RELEASE=${TCMALLOC_RELEASE_RATE}
 fi
 
+# Define extra libraries for python
+LOCAL_PYTHONPATH=@WRAPPER_PREFIX@$INSTALLDIR
+if [ -n "${PYTHONPATH}" ]; then
+    LOCAL_PYTHONPATH=${LOCAL_PYTHONPATH}:${PYTHONPATH}
+fi
+
 # Launch
-LD_PRELOAD=${LOCAL_PRELOAD} TCMALLOC_RELEASE_RATE=${TCM_RELEASE} LD_LIBRARY_PATH=${LOCAL_LDPATH} QT_API=pyqt @WRAPPER_PREFIX@$INSTALLDIR/@MANTIDPLOT_EXEC@ $*@WRAPPER_POSTFIX@
+LD_PRELOAD=${LOCAL_PRELOAD} TCMALLOC_RELEASE_RATE=${TCM_RELEASE} \
+    LD_LIBRARY_PATH=${LOCAL_LDPATH} QT_API=pyqt \
+    PYTHONPATH=${LOCAL_PYTHONPATH} \
+    ${IPYTHON} $*@WRAPPER_POSTFIX@