mirror of https://github.com/nocturn9x/giambio.git
56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
import giambio
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loop = giambio.EventLoop()
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"""
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What works and what does not (23rd March 2020 23:24 PM)
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- Run tasks concurrently: V
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- Join mechanism: V
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- Sleep mechanism: V
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- Cancellation mechanism: X Note: Figure out how to rescheule parent task
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- Exception propagation: V
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- Concurrent I/O: V
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- Return values of coroutines: V
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- Scheduling tasks for future execution: V
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- Task Spawner (context manager): X Note: Not Implemented
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"""
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async def countdown(n):
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try:
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while n > 0:
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print(f"Down {n}")
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n -= 1
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await giambio.sleep(1)
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print("Countdown over")
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return "Count DOWN over"
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except giambio.CancelledError:
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print("countdown cancelled!")
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async def count(stop, step=1):
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try:
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x = 0
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while x < stop:
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print(f"Up {x}")
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x += step
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await giambio.sleep(step)
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print("Countup over")
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return "Count UP over"
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except giambio.CancelledError:
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print("count cancelled!")
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async def main():
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print("Spawning countdown immediately, scheduling count for 4 secs from now")
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task = loop.spawn(countdown(8))
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task1 = loop.schedule(count(8, 2), 4) # Schedules the task, it will be ran 4 seconds from now
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await giambio.sleep(0) # Act as a checkpoint to switch tasks. Beware! Cancelling a task straight away will propagate the error in the parent
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# await task.cancel() # TODO: Fix this to reschedule the parent task properly
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result = await task.join()
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result1 = await task1.join()
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print(f"countdown returned: {result}\ncount returned: {result1}")
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print("All done")
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loop.start(main)
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