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A runnable "async" and "async with" test
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test/bytecode_3.7_run/10_async.pyc
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test/bytecode_3.7_run/10_async.pyc
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# from 3.7 test_contextlib_async.py
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# Bugs were not adding "async" when a function is a decorator,
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# and a misaligment when using "async with as".
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@_async_test
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async def test_enter(self):
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self.assertIs(await manager.__aenter__(), manager)
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async with manager as context:
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async with woohoo() as x:
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x = 1
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y = 2
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assert manager is context
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# From 3.7.6 test_coroutines.py
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# Bug was different form of code for "async with" below
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class CoroutineTest():
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def test_with_8(self):
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CNT = 0
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async def foo():
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nonlocal CNT
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async with CM():
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CNT += 1
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return
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70
test/simple_source/bug37/10_async.py
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test/simple_source/bug37/10_async.py
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# from 3.7 test_contextlib_async.py
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# Bugs were not adding "async" when a function is a decorator,
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# and a misaligment when using "async with ... as".
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"""This program is self-checking!"""
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import asyncio
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from contextlib import asynccontextmanager, AbstractAsyncContextManager
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import functools
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def _async_test(func):
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"""Decorator to turn an async function into a test case."""
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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coro = func(*args, **kwargs)
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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try:
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return loop.run_until_complete(coro)
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finally:
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loop.close()
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asyncio.set_event_loop(None)
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return wrapper
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state = []
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@asynccontextmanager
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async def woohoo():
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state.append(1)
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yield 42
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state.append(999)
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@_async_test
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async def test_enter():
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class DefaultEnter(AbstractAsyncContextManager):
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async def __aexit__(*args):
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return
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# await super().__aexit__(*args)
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manager = DefaultEnter()
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got_manager = await manager.__aenter__()
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# print(got_manager, manager)
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assert got_manager is manager
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async with manager as context:
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async with woohoo() as x:
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x = 1
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y = 2
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assert manager is context
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# From 3.7.6 test_coroutines.py
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# Bug was different form of code for "async with" below
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class CoroutineTest:
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def test_with_8(self):
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CNT = 0
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async def foo():
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nonlocal CNT
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async with CM():
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CNT += 1
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return
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test_enter()
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