manually open context manager

Question

My question is, how can I execute any context manager without using with?

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Python has the idea of context managers,

instead of

Answer 1

You can call app.test_request.context('/?name=Peter') to a variable (e.g. ctx), and then call ctx.__enter__() on it to enter the context manager, and ctx.__exit__(None, None, None) to perform the cleanup. Note that you lose the safety guarantees of context managers, unless you put the ctx.__exit__ in a finally clause.