What's a context manager ? It's a block of code that has side effects upon entering and exiting. The with statement in Python is a quite ... ... <看更多>

Context managers. In Python, a context manager is an object that can be used in a with statement. Here's a context manager that reports the total wall-clock ... ... <看更多>

1. I suspect the @task decorator is registering the tasks with the flow, the context manager isn't doing it by itself. · 1. Not implicitly. · 2. ... <看更多>

A context manager is an object that responds to a with statement. It may return something. The basic idea is that some action is performed when entering a ... ... <看更多>

I just realized, that I can simplify mktemp by directly returning the tempfile._TemporaryFileWrapper 's buffer, which can be used in a file ... ... <看更多>