conditional Conditionally enter a context manager
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manager Python library Python context context manager

conditional Description

conditional is a Python module that enters a contextmanager only if condition is true.OverviewThe conditional context manager comes handy when you always want to execute a with-block but only conditionally want to apply its context manager.If you find yourself writing code like this:if CONDITION: with CONTEXTMANAGER(): BODY()else: BODY()Consider replacing it with:with conditional(CONDITION, CONTEXTMANAGER()): BODY()ExamplesSay we want to ignore signals when a pager application is in the foreground, but not otherwise:from conditional import conditionalwith conditional(has_pager(cmd), ignoresignals()): os.system(cmd)Product's homepage

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