t.is_alive

Describing is_alive()

• The is_alive method determines if a thread is alive or not
• Specifically, it returns True if the tread is alive
• And, it returns False otherwise
• A thread is alive from the moment the start method returns
• A threead is not alive anymore when the run method terminates

Example of is_alive

>>> import logging
>>> from threading import Thread
>>> import time

>>> def sleepy():
...     print('thread started')
...     time.sleep(10)
...     print('thread done')

>>> t = Thread(target=sleepy).start()
'thread started'
>>> t.is_alive()
True
'thread done'
>>> t.is_alive()
False

References

• Python Essential References
• Documentation for Threading API
• Examples of Threading in Python