sys – system specific functions

Functions

sys.exit([retval])

Raise a SystemExit exception. If an argument is given, it is the value given to SystemExit.

sys.print_exception(exc[, file])

Print exception with a traceback to a file-like object file (or sys.stdout by default).

Difference to CPython

This function appears in the traceback module in CPython.

Constants

sys.argv

a mutable list of arguments this program started with

sys.byteorder

the byte order of the system (“little” or “big”)

sys.path

a mutable list of directories to search for imported modules

sys.platform

The platform that Micro Python is running on. This is “pyboard” on the pyboard and provides a robust way of determining if a script is running on the pyboard or not.

sys.stderr

standard error (connected to USB VCP, and optional UART object)

sys.stdin

standard input (connected to USB VCP, and optional UART object)

sys.stdout

standard output (connected to USB VCP, and optional UART object)

sys.version

Python language version that this implementation conforms to, as a string

sys.version_info

Python language version that this implementation conforms to, as a tuple of ints