micropython/tests/thread/thread_start2.py

# test capability to start a thread with keyword args
#
# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd

import time
import _thread


def thread_entry(a0, a1, a2, a3):
    print("thread", a0, a1, a2, a3)


# spawn thread using kw args
_thread.start_new_thread(thread_entry, (10, 20), {"a2": 0, "a3": 1})

# wait for thread to finish
time.sleep(1)

# incorrect argument where dictionary is needed for keyword args
try:
    _thread.start_new_thread(thread_entry, (), ())
except TypeError:
    print("TypeError")

print("done")