Python «поднимается из» использования ⇐ Python

[Anonymous]

В чем разница между повышением и повышением в Python?

try:
raise ValueError
except Exception as e:
raise IndexError


что дает

Traceback (most recent call last):
File "tmp.py", line 2, in
raise ValueError
ValueError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "tmp.py", line 4, in
raise IndexError
IndexError


и

try:
raise ValueError
except Exception as e:
raise IndexError from e


что дает

Traceback (most recent call last):
File "tmp.py", line 2, in
raise ValueError
ValueError

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "tmp.py", line 4, in
raise IndexError from e
IndexError


Подробнее здесь: https://stackoverflow.com/questions/247 ... from-usage