epython | Python for the Epiphany co-processor | Database library

ePython comes pre-installed with the latest Parallella Linux image so it should be all set up and ready to go as soon as you switch the machine on. If you do want to manually install ePython then execute make and then sudo make install at the command line. Importantly you will then need to start a new bash session (either log out and log back in, or execute bash at the command line.
If you do not install ePython then you can still run epython from the current directory, as ./epython.sh but ensure that epython-device.elf is in the current directory when you run the interpreter. The epython.sh script will detect whether to run as sudo (earlier versions of the parallella OS) or not (later versions.). In order to include files (required for parallel functions) you must either run your Python codes in the same directory as the executables (and the modules directory) and/or export the EPYTHONPATH environment variable to point to the modules directory. When including files, by default ePython will search in the current directory, any subdirectory called modules and then the EPYTHONPATH variable, which follows the same syntax as the PATH variable. Issuing export EPYTHONPATH=$EPYTHONPATH:pwd/modules in the epython directory will set this to point to the current directory. You can also modify your ~/.bashrc file to contain a similiar command. For offload support you will need to export PYTHONPATH=$PYTHONPATH:pwd/modules/fullpython.