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 MicroPython 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