mirror of https://github.com/nocturn9x/giambio.git
59 lines
1.5 KiB
Python
59 lines
1.5 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 (25th March 2020 20:35)
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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: V
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- Exception propagation: X
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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): V
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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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if n <= 2: # Test an exception that triggers only sometimes
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raise ValueError
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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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raise Exception("Oh no!") # TODO Propagate this
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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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async with giambio.TaskManager(loop) as manager:
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task = manager.spawn(countdown(8))
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manager.schedule(count(8, 2), 4)
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for task, ret in manager.values.items():
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print(f"Function '{task.coroutine.__name__}' at {hex(id(task.coroutine))} returned an object of type '{type(ret).__name__}': {repr(ret)}")
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loop.start(main)
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