+\r
+* Execute tools written in Python without conversion\r
+ The tools written in Python can be executed directly from its source directory\r
+as long as the Python interpreter (Python 2.5) has been installed. Before the execution,\r
+please make sure the environment variable PYTHONPATH is set to \r
+\r
+ <buildtools_project>/BaseTools/Source/Python\r
+\r
+ There're four tools written in Python. The entrance file of each tool is listed\r
+below.\r
+\r
+ build <buildtools_project>/BaseTools/Source/Python/build/build.py\r
+ GenFds <buildtools_project>/BaseTools/Source/Python/GenFds/GenFds.py\r
+ Trim <buildtools_project>/BaseTools/Source/Python/Trim/Trim.py\r
+ MigrationMsa2Inf <buildtools_project>/BaseTools/Source/Python/MigrationMsa2Inf/MigrationMsa2Inf.py\r