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Daniel Latypov 52a5d80a22 kunit: tool: fix typecheck errors about loading qemu configs
Currently, we have these errors:
$ mypy ./tools/testing/kunit/*.py
tools/testing/kunit/kunit_kernel.py:213: error: Item "_Loader" of "Optional[_Loader]" has no attribute "exec_module"
tools/testing/kunit/kunit_kernel.py:213: error: Item "None" of "Optional[_Loader]" has no attribute "exec_module"
tools/testing/kunit/kunit_kernel.py:214: error: Module has no attribute "QEMU_ARCH"
tools/testing/kunit/kunit_kernel.py:215: error: Module has no attribute "QEMU_ARCH"

exec_module
===========

pytype currently reports no errors, but that's because there's a comment
disabling it on 213.

This is due to https://github.com/python/typeshed/pull/2626.
The fix is to assert the loaded module implements the ABC
(abstract base class) we want which has exec_module support.

QEMU_ARCH
=========

pytype is fine with this, but mypy is not:
https://github.com/python/mypy/issues/5059

Add a check that the loaded module does indeed have QEMU_ARCH.
Note: this is not enough to appease mypy, so we also add a comment to
squash the warning.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
History 2021-10-29 13:05:47 -06:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.