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MethodTypeasynccontextmanagercontextmanagerclosing nullcontextAbstractContextManagerAbstractAsyncContextManagerAsyncExitStackContextDecorator ExitStackredirect_stdoutredirect_stderrsuppressc @ s2 e Zd ZdZdd Zejdd Zedd Z dS ) r z,An abstract base class for context managers.c C s | S z0Return `self` upon entering the runtime context. selfr r //opt/alt/python38/lib64/python3.8/contextlib.py __enter__ s z AbstractContextManager.__enter__c C s dS z9Raise any exception triggered within the runtime context.Nr r exc_type exc_value tracebackr r r __exit__ s z AbstractContextManager.__exit__c C s | t krt|ddS tS )Nr r )r _collections_abc_check_methodsNotImplementedclsCr r r __subclasshook__ s z'AbstractContextManager.__subclasshook__N)
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__aenter__' s z&AbstractAsyncContextManager.__aenter__c s dS r r r r r r __aexit__+ s z%AbstractAsyncContextManager.__aexit__c C s | t krt|ddS tS )Nr- r. )r r r r! r" r r r r% 0 s
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c @ s e Zd ZdZdd Zdd ZdS )r zJA base class or mixin that enables context managers to work as decorators.c C s | S )a6 Return a recreated instance of self.
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This is a private interface just for _GeneratorContextManager.
See issue #11647 for details.
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z'_AsyncGeneratorContextManager.__aexit__N)r& r' r( r) r- r. r r r r rL s rL c s t fdd}|S )a @contextmanager decorator.
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@contextmanager
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try:
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finally:
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with some_generator() as :
equivalent to this:
try:
=
finally:
c s t | |S r0 )r> r1 r5 r r helper s z contextmanager..helperr r5 rT r rS r r s c s t fdd}|S )a @asynccontextmanager decorator.
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@asynccontextmanager
async def some_async_generator():
try:
yield
finally:
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equivalent to this:
try:
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c s t | |S r0 )rL r1 rS r r rT s z#asynccontextmanager..helperr rU r rS r r s c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r a2 Context to automatically close something at the end of a block.
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is equivalent to this:
f = .open()
try:
finally:
f.close()
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for i in range(5)]
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c C s
t || S r0 r rm r r r _create_async_exit_wrapper& s z)AsyncExitStack._create_async_exit_wrapperc s fdd}|S )Nc s I d H d S r0 r rq rs r r ru , s z>AsyncExitStack._create_async_cb_wrapper.._exit_wrapperr rv r rs r _create_async_cb_wrapper* s z'AsyncExitStack._create_async_cb_wrapperc s. t |}|j}||I dH }| || |S )zEnters the supplied async context manager.
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