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Use f-strings in asyncio-task code examples (GH-10035)

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Replace str.format with f-strings in the code examples of asyncio-task documentation.
This commit is contained in:
Mariatta 2018-10-24 15:37:12 -07:00 committed by Victor Stinner
parent 057f4078b0
commit 9f43fbbd9d
1 changed files with 6 additions and 6 deletions
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12
Doc/library/asyncio-task.rst
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@ -57,12 +57,12 @@ To actually run a coroutine asyncio provides three main mechanisms:
print(what)
async def main():
print('started at', time.strftime('%X'))
print(f"started at {time.strftime('%X')}")
await say_after(1, 'hello')
await say_after(2, 'world')
print('finished at', time.strftime('%X'))
print(f"finished at {time.strftime('%X')}")
asyncio.run(main())
@ -86,14 +86,14 @@ To actually run a coroutine asyncio provides three main mechanisms:
task2 = asyncio.create_task(
say_after(2, 'world'))
print('started at', time.strftime('%X'))
print(f"started at {time.strftime('%X')}")
# Wait until both tasks are completed (should take
# around 2 seconds.)
await task1
await task2
print('finished at', time.strftime('%X'))
print(f"finished at {time.strftime('%X')}")
Note that expected output now shows that the snippet runs
1 second faster than before::
@ -603,9 +603,9 @@ Scheduling From Other Threads
print('The coroutine took too long, cancelling the task...')
future.cancel()
except Exception as exc:
print('The coroutine raised an exception: {!r}'.format(exc))
print(f'The coroutine raised an exception: {exc!r}')
else:
print('The coroutine returned: {!r}'.format(result))
print(f'The coroutine returned: {result!r}')
See the :ref:`concurrency and multithreading <asyncio-multithreading>`
section of the documentation.