Why is the with statement called?

Question

Python

Hello, Python has a with statement (context manager). Who knows why it's called that? With is "c, together with". Python is a beautiful language, most of the conditions are readable as text, but I can't understand with.

Answer 1

Quite a logical name. A statement withdeclares some context that the code inside the statement block works with. The code can be translated almost verbatim:

with open('some.file') as f:
    for line in f:
        print(line)

с открыть('некоторый.файл') как f:
    для каждой строки в f:
        напечатать(строку)

Answer 2

The with statement is just syntactic sugar.
It is convenient to use it when writing classes for working with databases, files, as well as any network connections, where you constantly need to perform a number of routine operations.
"Under the hood" with performs two magic methods:
__enter__when the context is opened, when the context
__exit__is exited.
Accordingly, in order for your class to be used with the with construct, you just need to declare these two methods in your class and specify the operations that will be performed each time when "opening" and "closing".
Good article on this topic https://pavel-karateev.gitbook.io/intermediate-pyt...