On Wed, Jun 16, 2021 at 2:40 AM SeongJae Park sj38.park@gmail.com wrote:
From: SeongJae Park sjpark@amazon.de
Commit 87c9c1631788 ("kunit: tool: add support for QEMU") on the 'next' tree adds 'from __future__ import annotations' in 'kunit_kernel.py'. Because it is supported on only >=3.7 Python, people using older Python will get below error:
Ah, we had been fine with just using 3.6 before this (and could have dropped down to 3.5 with a few lines changed).
But 3.7 came out initially in 2018*, so I assume we're probably fine to rely on that in kunit tool. *https://www.python.org/downloads/release/python-370/
Traceback (most recent call last): File "./tools/testing/kunit/kunit.py", line 20, in <module> import kunit_kernel File "/home/sjpark/linux/tools/testing/kunit/kunit_kernel.py", line 9 from __future__ import annotations ^ SyntaxError: future feature annotations is not definedThis commit adds a version assertion in 'kunit.py', so that people get more explicit error message like below:
Traceback (most recent call last): File "./tools/testing/kunit/kunit.py", line 15, in <module> assert sys.version_info >= (3, 7) AssertionError
Signed-off-by: SeongJae Park sjpark@amazon.de
Acked-by: Daniel Latypov dlatypov@google.com
tools/testing/kunit/kunit.py | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index be8d8d4a4e08..748d88178506 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -12,6 +12,8 @@ import sys import os import time
+assert sys.version_info >= (3, 7)
Do we perhaps want assert sys.version_info >= (3, 7), "Python version is too old"
Then the error message would be Traceback (most recent call last): File "./tools/testing/kunit/kunit.py", line 15, in <module> assert sys.version_info >= (3, 7), "Python version is too old" AssertionError: Python version is too old
I assume kernel devs know some Python, but not necessarily that sys.version_info == "my python version"
from collections import namedtuple from enum import Enum, auto
-- 2.17.1
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