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οΏ½ZdS )z4Utilities for with-statement contexts. See PEP 343.οΏ½ N)οΏ½deque)οΏ½wrapsοΏ½contextmanagerοΏ½closingοΏ½AbstractContextManagerοΏ½ContextDecoratorοΏ½ ExitStackοΏ½redirect_stdoutοΏ½redirect_stderrοΏ½suppressc @ s2 e Zd ZdZddοΏ½ ZejddοΏ½ οΏ½ZeddοΏ½ οΏ½Z dS ) r z,An abstract base class for context managers.c C s | S )z0Return `self` upon entering the runtime context.οΏ½ )οΏ½selfr r οΏ½"/usr/lib64/python3.6/contextlib.pyοΏ½ __enter__ s z AbstractContextManager.__enter__c C s dS )z9Raise any exception triggered within the runtime context.Nr )r
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s c @ s e Zd ZdZddοΏ½ ZddοΏ½ 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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_GeneratorContextManager to support use as
a decorator via implicit recreation.
This is a private interface just for _GeneratorContextManager.
See issue #11647 for details.
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@contextmanager
def some_generator(<arguments>):
<setup>
try:
yield <value>
finally:
<cleanup>
This makes this:
with some_generator(<arguments>) as <variable>:
<body>
equivalent to this:
<setup>
try:
<variable> = <value>
<body>
finally:
<cleanup>
c s t οΏ½ | |οΏ½S )N)r' )r" r# )r$ r r οΏ½helperοΏ½ s z contextmanager.<locals>.helper)r )r$ r8 r )r$ r r οΏ½ s c @ s( e Zd ZdZddοΏ½ ZddοΏ½ ZddοΏ½ ZdS ) r a2 Context to automatically close something at the end of a block.
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with closing(<module>.open(<arguments>)) as f:
<block>
is equivalent to this:
f = <module>.open(<arguments>)
try:
<block>
finally:
f.close()
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# How to send help() to stderr
with redirect_stdout(sys.stderr):
help(dir)
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with redirect_stdout(f):
help(pow)
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οΏ½ s c @ s( e Zd ZdZddοΏ½ ZddοΏ½ ZddοΏ½ ZdS ) r a? Context manager to suppress specified exceptions
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# All opened files will automatically be closed at the end of
# the with statement, even if attempts to open files later
# in the list raise an exception
c C s t οΏ½ | _d S )N)r οΏ½_exit_callbacks)r
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zExitStack.enter_contextc C s | j dddοΏ½ dS )z$Immediately unwind the context stackN)r )r
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