> On 30 Mar 2023, at 08:10, Tobias Bengfort <tobias.bengf...@posteo.de> wrote: > > Hi, > > I was wondering why decorator-based context managers are not reentrant or > even reusable.
Do you mean this use of reentrant? https://en.wikipedia.org/wiki/Reentrancy_(computing) > > They could be made reusable by initializing the generator in __enter__() > instead of __init__(). They could be made reentrant by storing generatos in a > stack. A similar thing has been implemented for redirect_stdout in > 8e113b418df7d0c8480e1e2de29a385e1f31b15b. > > I understand that not all generator-based context managers can be reentrant > by their nature. But currently it is impossible to make them reentrant, which > IMHO is an unnecessary restriction. > > I could find very little discussion on this. Are there any strong reasons why > it was implemented this way or should I create a pull request to change it? > > (My specific use case is a TUI application where I want to make sure that the > terminal is restored to a usable state on exit, but also need to step in and > out of the TUI on SIGTSTP/SIGCONT.) > > thanks, > tobias > > https://docs.python.org/3/library/contextlib.html#single-use-reusable-and-reentrant-context-managers > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/K7M62JLBCR5USTJV5IRILJNQEYSJQ4QY/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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