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This patch collects comments and documentation changes from many commits
in the python-qemu-qmp repository; bringing the qemu.git copy in
bit-identical alignment with the standalone library *except* for several
copyright messages that reference the "LICENSE" file which is, for QEMU,
named "COPYING" instead and are therefore left unchanged.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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This is not strictly needed functionality-wise, but doing this allows
sphinx to see which decorated methods are async. Without this, sphinx
misses the "async" classifier on generated docs, which ... for an async
library, isn't great.
It does make an already gnarly function even gnarlier, though.
So, what's going on here?
A synchronous function (like require() before this patch) can return a
coroutine that can be awaited on, for example:
def some_func():
return asyncio.task(asyncio.sleep(5))
async def some_async_func():
await some_func()
However, this function is not considered to be an "async" function in
the eyes of the abstract syntax tree. Specifically,
some_func.__code__.co_flags will not be set with CO_COROUTINE.
The interpreter uses this flag to know if it's legal to use "await" from
within the body of the function. Since this function is just wrapping
another function, it doesn't matter much for the decorator, but sphinx
uses the stdlib inspect.iscoroutinefunction() to determine when to add
the "async" prefix in generated output. This function uses the presence
of CO_COROUTINE.
So, in order to preserve the "async" flag for docs, the require()
decorator needs to differentiate based on whether it is decorating a
sync or async function and use a different wrapping mechanism
accordingly.
Phew.
Signed-off-by: John Snow <jsnow@redhat.com>
cherry picked from commit python-qemu-qmp@40aa9699d619849f528032aa456dd061a4afa957
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Expose the limit parameter of the underlying StreamReader and StreamWriter
instances.
This is helpful for the use case of transferring files in and out of a VM
via the QEMU guest agent's guest-file-open, guest-file-read, guest-file-write,
and guest-file-close methods, as it allows pushing the buffer size up to the
guest agent's limit of 48MB per transfer.
Signed-off-by: Adam Dorsey <adam@dorseys.email>
cherry picked from commit python-qemu-qmp@9ba6a698344eb3b570fa4864e906c54042824cd6
cherry picked from commit python-qemu-qmp@e4d0d3f835d82283ee0e48438d1b154e18303491
[Squashed in linter fixups. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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This removes a non-idiomatic use of a "coroutine callback" in favor of
something a bit more standardized.
Signed-off-by: John Snow <jsnow@redhat.com>
cherry picked from commit python-qemu-qmp@commit 97f7ffa3be17a50544b52767d14b6fd478c07b9e
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Now that the minimum version is 3.7, drop some of the 3.6-specific hacks
we've been carrying. A single remaining compatibility hack concerning
3.6's lack of @asynccontextmanager is addressed in the following commit.
Signed-off-by: John Snow <jsnow@redhat.com>
cherry picked from commit python-qemu-qmp@3e8e34e594cfc6b707e6f67959166acde4b421b8
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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The client name is mutable, so the logging name should also change to
reflect it when it changes.
Signed-off-by: John Snow <jsnow@redhat.com>
cherry picked from commit python-qemu-qmp@e10b73c633ce138ba30bc8beccd2ab31989eaf3d
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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By passing all of the arguments to the base class and overriding the
__str__ method when we want a different "human readable" message that
isn't just printing the list of arguments, we can ensure that all custom
error classes have a reasonable __repr__ implementation.
In the case of ExecuteError, the pseudo-field that isn't actually
correlated to an input argument can be re-imagined as a read-only
property; this forces consistency in the class and makes the repr output
more obviously correct.
Signed-off-by: John Snow <jsnow@redhat.com>
cherry picked from commit python-qemu-qmp@afdb7893f3b34212da4259b7202973f9a8cb85b3
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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This patch is a backport from
https://gitlab.com/qemu-project/python-qemu-qmp/-/commit/e03a3334b6a477beb09b293708632f2c06fe9f61
According to Guido in https://github.com/python/cpython/issues/104344 ,
this call was never meant to wait for the server to shut down - that is
handled synchronously - but instead, this waits for all connections to
close. Or, it would have, if it wasn't broken since it was introduced.
3.12 fixes the bug, which now causes a hang in our code. The fix is just
to remove the wait.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-id: 20231006195243.3131140-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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This reverts commit a3cfea92e2030926e00a2519d299384ea648e36e.
(It's being rolled back in favor of a different API, which brings the
in-tree and out-of-tree versions of qemu.qmp back in sync.)
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20230517163406.2593480-6-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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Allow existing sockets to be passed to connect(). The changes are pretty
minimal, and this allows for far greater flexibility in setting up
communications with an endpoint.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20230517163406.2593480-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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Pylint 2.16 adds a few new checks that cause the optional check-tox CI
job to fail.
1. The superfluous-parens check seems to be a bit more aggressive,
2. broad-exception-raised is new; it discourages "raise Exception".
Fix these minor issues and turn the lights green.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Beraldo Leal <bleal@redhat.com>
Message-id: 20230210003147.1309376-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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Instead of listening for incoming connections with a SocketAddr, add a
new method open_with_socket() that accepts an existing socket.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20230111080101.969151-2-marcandre.lureau@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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Fix some typos in 'python' directory.
Signed-off-by: Dongdong Zhang <zhangdongdong@eswincomputing.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221130015358.6998-2-zhangdongdong@eswincomputing.com
[Fixed additional typo spotted by Max Filippov. --js]
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
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Now that we are fully switched over to the new QMP library, move it back
over the old namespace. This is being done primarily so that we may
upload this package simply as "qemu.qmp" without introducing confusion
over whether or not "aqmp" is a new protocol or not.
The trade-off is increased confusion inside the QEMU developer
tree. Sorry!
Note: the 'private' member "_aqmp" in legacy.py also changes to "_qmp";
not out of necessity, but just to remove any traces of the "aqmp"
name.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Beraldo Leal <bleal@redhat.com>
Acked-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org>
Message-id: 20220330172812.3427355-8-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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