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2024-07-12python: enable testing for 3.13John Snow
Python 3.13 is in beta and Fedora 41 is preparing to make it the default system interpreter; enable testing for it. (In the event problems develop prior to release, it should only impact the check-python-tox job, which is not run by default and is allowed to fail.) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20240626232230.408004-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2024-07-12python: Do not use pylint 3.2.4 with python 3.8John Snow
There is a bug in this version, see: https://github.com/pylint-dev/pylint/issues/9751 Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20240626232230.408004-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2024-07-12python: linter changes for pylint 3.xJohn Snow
New bleeding edge versions, new nits to iron out. This addresses the 'check-python-tox' optional GitLab test, while 'check-python-minreqs' saw no regressions, since it's frozen on an older version of pylint. Fixes: qemu/machine/machine.py:345:52: E0606: Possibly using variable 'sock' before assignment (possibly-used-before-assignment) qemu/utils/qemu_ga_client.py:168:4: R1711: Useless return at end of function or method (useless-return) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20240626232230.408004-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2024-06-08python: mkvenv: remove ensure commandPaolo Bonzini
This was used to bootstrap the venv with a TOML parser, after which ensuregroup is used. Now that we expect it to be present as a system package (either tomli or, for Python 3.11, tomllib), it is not needed anymore. Note that this means that, when implemented, the hypothetical "isolated" mode that does not use any system packages will only work with Python 3.11+. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-08Revert "python: use vendored tomli"Paolo Bonzini
Now that Ubuntu 20.04 is not included anymore, there is no need to ship it as part of QEMU; Ubuntu 22.04 includes it and Leap users anyway need to install all the required dependencies from PyPI. This mostly reverts commit ec77ee7634de123b7c899739711000fd21dab68b, with just some changes to the wording. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-25python/qemu/machine: add method to retrieve QEMUMachine::binary fieldMaksim Davydov
Add a supportive property to access the path to the QEMU binary Signed-off-by: Maksim Davydov <davydov-max@yandex-team.ru> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240318213550.155573-4-davydov-max@yandex-team.ru> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-24buildsys: Bump known good meson version to v1.2.3Philippe Mathieu-Daudé
We need meson v1.2.3 to build QEMU on macOS Sonoma. It also builds fine all our CI jobs (as tested by also bumping "accepted" in pythondeps.toml), so let's use it as our "good enough" packaged wheel. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1939 Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20231109160504.93677-2-philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-12python/machine.py: upgrade vm.cmd() methodVladimir Sementsov-Ogievskiy
The method is not popular in iotests, we prefer use vm.qmp() and then check success by hand. But that's not optimal. To simplify movement to vm.cmd() let's support same interface improvements like in vm.qmp(). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20231006154125.1068348-7-vsementsov@yandex-team.ru Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-12python/qemu: rename command() to cmd()Vladimir Sementsov-Ogievskiy
Use a shorter name. We are going to move in iotests from qmp() to command() where possible. But command() is longer than qmp() and don't look better. Let's rename. You can simply grep for '\.command(' and for 'def command(' to check that everything is updated (command() in tests/docker/docker.py is unrelated). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-id: 20231006154125.1068348-6-vsementsov@yandex-team.ru [vsementsov: also update three occurrences in tests/avocado/machine_aspeed.py and keep r-b] Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-12python: rename QEMUMonitorProtocol.cmd() to cmd_raw()Vladimir Sementsov-Ogievskiy
Having cmd() and command() methods in one class doesn't look good. Rename cmd() to cmd_raw(), to show its meaning better. We also want to rename command() to cmd() in future, so this commit is a necessary step. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20231006154125.1068348-5-vsementsov@yandex-team.ru Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-12qmp_shell.py: _fill_completion() use .command() instead of .cmd()Vladimir Sementsov-Ogievskiy
We just want to ignore failure, so we don't need low level .cmd(). This helps further renaming .command() to .cmd(). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20231006154125.1068348-3-vsementsov@yandex-team.ru Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-12python/qemu/qmp/legacy: cmd(): drop cmd_id unused argumentVladimir Sementsov-Ogievskiy
The argument is unused, let's drop it for now, as we are going to refactor the interface and don't want to refactor unused things. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20231006154125.1068348-2-vsementsov@yandex-team.ru Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11Python: Enable python3.12 supportJohn Snow
Python 3.12 has released, so update the test infrastructure to test against this version. Update the configure script to look for it when an explicit Python interpreter isn't chosen. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Message-id: 20231006195243.3131140-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/qmp: remove Server.wait_closed() call for Python 3.12John Snow
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>
2023-10-11python/machine: remove unused sock_dir argumentJohn Snow
By using a socketpair for all of the sockets managed by the VM class and its extensions, we don't need the sock_dir argument anymore, so remove it. We only added this argument so that we could specify a second, shorter temporary directory for cases where the temp/log dirs were "too long" as a socket name on macOS. We don't need it for this class now. In one case, avocado testing takes over responsibility for creating an appropriate sockdir. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-7-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/machine: use socketpair() for qtest connectionJohn Snow
Like the QMP and console sockets, begin using socketpairs for the qtest connection, too. After this patch, we'll be able to remove the vestigial sock_dir argument, but that cleanup is best done in its own patch. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-6-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/machine: use socketpair() for console connectionsJohn Snow
Create a socketpair for the console output. This should help eliminate race conditions around console text early in the boot process that might otherwise have been dropped on the floor before being able to connect to QEMU under "server,nowait". Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/console_socket: accept existing FD in initializerJohn Snow
Useful if we want to use ConsoleSocket() for a socket created by socketpair(). Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/machine: close sock_pair in cleanup pathJohn Snow
If everything has gone smoothly, we'll already have closed the socket we gave to the child during post_launch. The other half of the pair that we gave to the QMP connection should, likewise, be definitively closed by now. However, in the cleanup path, it's possible we've created the socketpair but flubbed the launch and need to clean up resources. These resources *would* be handled by the garbage collector, but that can happen at unpredictable times. Nicer to just clean them up synchronously on the exit path, here. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-10-11python/machine: move socket setup out of _base_args propertyJohn Snow
This property isn't meant to do much else besides return a list of strings, so move this setup back out into _pre_launch(). Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-09-20tests/avocado: Fix console data lossNicholas Piggin
Occasionally some avocado tests will fail waiting for console line despite the machine running correctly. Console data goes missing, as can be seen in the console log. This is due to _console_interaction calling makefile() on the console socket each time it is invoked, which must be losing old buffer contents when going out of scope. It is not enough to makefile() with buffered=0. That helps significantly but data loss is still possible. My guess is that readline() has a line buffer even when the file is in unbuffered mode, that can eat data. Fix this by providing a console file that persists for the life of the console. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com> Message-Id: <20230912131340.405619-1-npiggin@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: John Snow <jsnow@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230914155422.426639-9-alex.bennee@linaro.org>
2023-09-07Revert "mkvenv: work around broken pip installations on Debian 10"Paolo Bonzini
Debian 10 has Python 3.7, so it is not possible to use it anymore now that Python 3.8 is required. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-09-07mkvenv: assume presence of importlib.metadataPaolo Bonzini
importlib.metadata is included in Python 3.8, so there is no need to fallback to either importlib-metadata or pkgresources when generating console script shims. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-09-07Python: Drop support for Python 3.7Paolo Bonzini
Debian 10 is not anymore a supported distro, since Debian 12 was released on June 10, 2023. Our supported build platforms as of today all support at least 3.8 (and all of them except for Ubuntu 20.04 support 3.9): openSUSE Leap 15.5: 3.6.15 (3.11.2) CentOS Stream 8: 3.6.8 (3.8.13, 3.9.16, 3.11.4) CentOS Stream 9: 3.9.17 (3.11.4) Fedora 37: 3.11.4 Fedora 38: 3.11.4 Debian 11: 3.9.2 Debian 12: 3.11.2 Alpine 3.14, 3.15: 3.9.16 Alpine 3.16, 3.17: 3.10.10 Ubuntu 20.04 LTS: 3.8.10 Ubuntu 22.04 LTS: 3.10.12 NetBSD 9.3: 3.9.13* FreeBSD 12.4: 3.9.16 FreeBSD 13.1: 3.9.18 OpenBSD 7.2: 3.9.17 Note: NetBSD does not appear to have a default meta-package, but offers several options, the lowest of which is 3.7.15. However, "python39" appears to be a pre-requisite to one of the other packages we request in tests/vm/netbsd. Since it is safe under our supported platform policy, bump our minimum supported version of Python to 3.8. The two most interesting features to have by default include: - the importlib.metadata module, whose lack is responsible for over 100 lines of code in mkvenv.py - improvements to asyncio, for example asyncio.CancelledError inherits from BaseException rather than Exception In addition, code can now use the assignment operator ':=' Because mypy now learns about importlib.metadata, a small change to mkvenv.py is needed to pass type checking. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-08-28Revert "tests: Use separate virtual environment for avocado"Paolo Bonzini
This reverts commit e8e4298feadae7924cf7600bb3bcc5b0a8d7cbe9. ensuregroup allows to specify both the acceptable versions of avocado, and a locked version to be used when avocado is not installed as a system pacakge. This lets us install avocado in pyvenv/ using "mkvenv.py" and reuse the distro package on Fedora and CentOS Stream (the only distros where it's available). ensuregroup's usage of "(>=..., <=...)" constraints when evaluating the distro package, and "==" constraints when installing it from PyPI, makes it possible to avoid conflicts between the known-good version and a package plugins included in the distro. This is because package plugins have "==" constraints on the version that is included in the distro, and, using "pip install avocado==88.1" on a venv that includes system packages will result in an error: avocado-framework-plugin-varianter-yaml-to-mux 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible. avocado-framework-plugin-result-html 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible. But at the same time, if the venv does not include a system distribution of avocado then we can install a known-good version and stick to LTS releases. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1663 Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-08-28python: use vendored tomliPaolo Bonzini
Debian only introduced tomli in the bookworm release. Use a vendored wheel to avoid requiring a package that is only in bullseye-backports and is also absent in Ubuntu 20.04. While at it, fix an issue in the vendor.py scripts which does not add a newline after each package and hash. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-08-28python: mkvenv: add ensuregroup commandPaolo Bonzini
Introduce a new subcommand that retrieves the packages to be installed from a TOML file. This allows being more flexible in using the system version of a package, while at the same time using a known-good version when installing the package. This is important for packages that sometimes have backwards-incompatible changes or that depend on specific versions of their dependencies. Compared to JSON, TOML is more human readable and easier to edit. A parser is available in 3.11 but also available as a small (12k) package for older versions, tomli. While tomli is bundled with pip, this is only true of recent versions of pip. Of all the supported OSes pretty much only FreeBSD has a recent enough version of pip while staying on Python <3.11. So we cannot use the same trick that is in place for distlib. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-08-28python: mkvenv: introduce TOML-like representation of dependenciesPaolo Bonzini
We would like to place all Python dependencies in the same file, so that we can add more information without having long and complex command lines. The plan is to have a TOML file with one entry per package, for example [avocado] avocado-framework = { accepted = "(>=88.1, <93.0)", installed = "88.1", canary = "avocado" } Each TOML section will thus be a dictionary of dictionaries. Modify mkvenv.py's workhorse function, _do_ensure, to already operate on such a data structure. The "ensure" subcommand is modified to separate the depspec into a name and a version part, and use the result (plus the --diagnose argument) to build a dictionary for each command line argument. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-08-28python: mkvenv: tweak the matching of --diagnose to depspecsPaolo Bonzini
Move the matching between the "absent" array and dep_specs[0] inside the loop, preparing for the possibility of having multiple canaries among the installed packages. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-07-07python: bump minimum requirements so they are compatible with 3.12Paolo Bonzini
There are many Python 3.12 issues right now, but a particularly problematic one when debugging them is that one cannot even use minreqs.txt in a Python 3.12 virtual environment to test with locked package versions. Bump the mypy and wrapt versions to fix this, while remaining within the realm of versions compatible with Python 3.7. This requires a workaround for a mypy false positive qemu/qmp/qmp_tui.py:350: error: Non-overlapping equality check (left operand type: "Literal[Runstate.DISCONNECTING]", right operand type: "Literal[Runstate.IDLE]") [comparison-overlap] where mypy does not realize that self.disconnect() could change the value of self.runstate. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-06-06mkvenv: always pass locally-installed packages to pipPaolo Bonzini
Let pip decide whether a new version should be installed or the current one is okay. This ensures that the virtual environment is updated (either upgraded or downgraded) whenever a new version of a package is requested. The hardest part here is figuring out if a package is installed in the venv (which also has to be done twice to account for the presence of either setuptools in Python <3.8, or importlib in Python >=3.8). Suggested-by: Peter Maydell <peter.maydell@linaro.org> Cc: John Snow <jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-31Revert "python/qmp/protocol: add open_with_socket()"John Snow
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>
2023-05-31python/qmp/legacy: remove open_with_socket() callsJohn Snow
Favor using connect() when passing a socket instead of open_with_socket(). Simultaneously, update constructor calls to use the combined address argument for QEMUMonitorProtocol(). Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20230517163406.2593480-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-05-31python/machine: use connect-based interface for existing socketsJohn Snow
Instead of using accept() with sockets (which uses open_with_socket()), use calls to connect() to utilize existing sockets instead. A benefit of this is more robust error handling already present within the connect() call that isn't present in open_with_socket(). Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20230517163406.2593480-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-05-31python/qmp/legacy: allow using sockets for connect()John Snow
Instead of asserting that we have an address, allow the use of sockets instead of addresses during a call to connect(). Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20230517163406.2593480-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2023-05-31python/qmp: allow sockets to be passed to connect()John Snow
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>
2023-05-22Merge tag 'pull-qapi-2023-05-17-v2' of https://repo.or.cz/qemu/armbru into ↵Richard Henderson
staging QAPI patches patches for 2023-05-17 # -----BEGIN PGP SIGNATURE----- # # iQJGBAABCAAwFiEENUvIs9frKmtoZ05fOHC0AOuRhlMFAmRrTcgSHGFybWJydUBy # ZWRoYXQuY29tAAoJEDhwtADrkYZTMycP/3sP6/U4kwOKMGGcB+n2pHJeioQS4xgF # 94NCW+KpewxApP0XzIC2nDGjUe/rPcUfQmBNUumvYbqHO91tq91wFwkllBv2UR0q # 6qfRji+e8+9H9hMDeVzzSNjlZZg/tSdIJlhkJDw1u4/3fpjfAmzVx6DO3wepSQ9Q # m5Af/+uhVZWyUXMZqcKr2Zq8qur6ZFEBNpXpPvT60Tvy2heuQ+vcoE3tl2ZRQbmj # b/jhtCu+NPjgOHtg9Gr2BPXqQiZBR4vFA7WBsB8wCf2xxULfTwHJvFz/e0vx5fUC # q0Fsyybf4USo2PRMsRFv2v4dEuVGHb3E1RIJY4NTAxQMqqm4zfOyK0BzOGNDkxCn # owNP4vKly0e/CfYDY74FHaPId295xyeo6S4Cj5ib9W23AAWUNt6f6vbjlDOLCLON # c7yXP/aJwhTb2w1t0mLTmsKum3DpLlrudPudTylVlmYfwchkvUGsWYbaxu6H6XWk # 49Ox/QPVwqG6elXNn3kTY4QqTAppXhE7QcPbioX9WOThVPf6aJCLdZSHEHu4HXkZ # 4FRu73Z2wcPNB789xOrQoXs24GdKmWXQ6K01KC4v7WNJQBXccec52yGxvktQRZBm # GL3zYdOOJEL+Y/8JrXTIo26M8HP/4kxV2VqB6KOuaGygMsW9w9jbG+ygLyjqUDQg # 3APV3hdmVOht # =6anf # -----END PGP SIGNATURE----- # gpg: Signature made Mon 22 May 2023 04:11:04 AM PDT # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [undefined] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * tag 'pull-qapi-2023-05-17-v2' of https://repo.or.cz/qemu/armbru: docs/interop: Delete qmp-intro.txt docs/interop/qmp-spec: Update error description for parsing errors docs/interop: Convert qmp-spec.txt to rST qapi: Improve error message for description following section Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-22docs/interop: Convert qmp-spec.txt to rSTPeter Maydell
Convert the qmp-spec.txt document to restructuredText. Notable points about the conversion: * numbers at the start of section headings are removed, to match the style of the rest of the manual * cross-references to other sections or documents are hyperlinked * various formatting tweaks (notably the examples, which need the -> and <- prefixed so the QMP code-block lexer will accept them) * English prose fixed in a few places Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20230515162245.3964307-2-peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> [.. code-block:: dumbed down to :: to work around CI failure]
2023-05-19mkvenv: pass first missing package to diagnose()Paolo Bonzini
If sphinx is present but the theme is not, mkvenv will print an inaccurate diagnostic: ERROR: Could not find a version that satisfies the requirement sphinx-rtd-theme>=0.5.0 (from versions: none) ERROR: No matching distribution found for sphinx-rtd-theme>=0.5.0 'sphinx>=1.6.0' not found: • Python package 'sphinx' version '5.3.0' was found, but isn't suitable. • mkvenv was configured to operate offline and did not check PyPI. Instead, ignore the packages that were found to be present, and report an error based on the first absent package. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-19mkvenv: replace distlib.database with importlib.metadata/pkg_resourcesPaolo Bonzini
importlib.metadata is just as good as distlib.database and a bit more battle-proven for "egg" based distributions, and in fact that is exactly why mkvenv.py is not using distlib.database to find entry points: it simply does not work for eggs. The only disadvantage of importlib.metadata is that it is not available by default before Python 3.8, so we need a fallback to pkg_resources (again, just like for the case of finding entry points). Do so to fix issues where incorrect egg metadata results in a JSONDecodeError. While at it, reuse the new _get_version function to diagnose an incorrect version of the package even if importlib.metadata is not available. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18meson: require 0.63.0Paolo Bonzini
This version allows cleanups in modinfo collection, but they only work with Ninja 1.9.x and 1.8.x is still supported. It also supports the equivalent of QEMU's --static option to configure. The wheel file is bumped to 0.63.3, the last release in the 0.63 branch. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18python: bump some of the dependenciesPaolo Bonzini
The version of pyflakes that is listed in python/tests/minreqs.txt breaks on Python 3.8 with the following message: AttributeError: 'FlakesChecker' object has no attribute 'CONSTANT' Now that we do not support EOL'd Python versions anymore, we can update to newer, fixed versions. It is a good time to do so, before Python packages start dropping support for Python 3.7 as well! The new mypy is also a bit smarter about which packages are actually being used, so remove the now-unnecessary sections from setup.cfg. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-27-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18mkvenv: mark command as requiredPaolo Bonzini
This is only available in Python 3.7+. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-26-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18Python: Drop support for Python 3.6Paolo Bonzini
Python 3.6 was EOL 2021-12-31. Newer versions of upstream libraries have begun dropping support for this version and it is becoming more cumbersome to support. Avocado-framework and qemu.qmp each have their own reasons for wanting to drop Python 3.6, but won't until QEMU does. Versions of Python available in our supported build platforms as of today, with optional versions available in parentheses: openSUSE Leap 15.4: 3.6.15 (3.9.10, 3.10.2) CentOS Stream 8: 3.6.8 (3.8.13, 3.9.16) CentOS Stream 9: 3.9.13 Fedora 36: 3.10 Fedora 37: 3.11 Debian 11: 3.9.2 Alpine 3.14, 3.15: 3.9.16 Alpine 3.16, 3.17: 3.10.10 Ubuntu 20.04 LTS: 3.8.10 Ubuntu 22.04 LTS: 3.10.4 NetBSD 9.3: 3.9.13* FreeBSD 12.4: 3.9.16 FreeBSD 13.1: 3.9.16 OpenBSD 7.2: 3.9.16 Note: Our VM tests install 3.9 explicitly for FreeBSD and 3.10 for NetBSD; the default for "python" or "python3" in FreeBSD is 3.9.16. NetBSD does not appear to have a default meta-package, but offers several options, the lowest of which is 3.7.15. "python39" appears to be a pre-requisite to one of the other packages we request in tests/vm/netbsd. pip, ensurepip and other Python essentials are currently only available for Python 3.10 for NetBSD. CentOS and OpenSUSE support parallel installation of multiple Python interpreters, and binaries in /usr/bin will always use Python 3.6. However, the newly introduced support for virtual environments ensures that all build steps that execute QEMU Python code use a single interpreter. Since it is safe to under our supported platform policy, bump our minimum supported version of Python to 3.7. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20230511035435.734312-24-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18python/wheels: add vendored meson packageJohn Snow
In preference to vendoring meson source, vendor a built distributable ("bdist" in python parlance). This has some benefits: (1) We can get rid of a git submodule, (2) Installing built meson into a venv doesn't require any extra dependencies (the python "wheel" package, chiefly.) (3) We don't treat meson any differently than we would any other python package (we install it, end of story, done.) (4) All future tarball *and* developer checkouts will function offline; No git or PyPI connection needed to fetch meson. Note that because mkvenv prefers vendored packages to PyPI, as mkvenv is currently written we will never consult PyPI for meson. (Do keep in mind that your distribution's meson will be preferred above the vendored version, though.) ``` jsnow@scv ~/s/q/python (python-configure-venv)> python3 scripts/vendor.py pip download --dest /home/jsnow/src/qemu/python/wheels --require-hashes -r /tmp/tmpvo5qav7i Collecting meson==0.61.5 Using cached meson-0.61.5-py3-none-any.whl (862 kB) Saved ./wheels/meson-0.61.5-py3-none-any.whl Successfully downloaded meson ``` Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-17-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18python: add vendor.py utilityJohn Snow
This is a teeny-tiny script that just downloads any packages we want to vendor from PyPI and stores them in qemu.git/python/wheels/. If I'm hit by a meteor, it'll be easy to replicate what I have done in order to udpate the vendored source. We don't really care which python runs it; it exists as a meta-utility with no external dependencies and we won't package or install it. It will be monitored by the linters/type checkers, though; so it's guaranteed safe on python 3.6+. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-15-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18mkvenv: work around broken pip installations on Debian 10John Snow
This is a workaround intended for Debian 10, where the debian-patched pip does not function correctly if accessed from within a virtual environment. We don't support Debian 10 as a build platform any longer, though we do still utilize it for our build-tricore-softmmu CI test. It's also possible that this bug might appear on other derivative platforms and this workaround may prove useful. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-11-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18mkvenv: avoid ensurepip if pip is installedJohn Snow
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18mkvenv: use pip's vendored distlib as a fallbackJohn Snow
distlib is usually not installed on Linux distribution, but it is vendored into pip. Because the virtual environment has pip via ensurepip, we can piggy-back on pip's vendored version. This could break if they move our cheese in the future, but the fix would be simply to require distlib. If it is debundled, as it is on msys, it is simply available directly. Signed-off-by: John Snow <jsnow@redhat.com> [Move to toplevel. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18mkvenv: add console script entry point generationJohn Snow
When creating a virtual environment that inherits system packages, script entry points (like "meson", "sphinx-build", etc) are not re-generated with the correct shebang. When you are *inside* of the venv, this is not a problem, but if you are *outside* of it, you will not have a script that engages the virtual environment appropriately. Add a mechanism that generates new entry points for pre-existing packages so that we can use these scripts to run "meson", "sphinx-build", "pip", unambiguously inside the venv. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20230511035435.734312-9-jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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