Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Fix qmp_device_add() to not throw non-scalar options away (fixes
iothread-vq-mapping being silently ig

Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Fix qmp_device_add() to not throw non-scalar options away (fixes
iothread-vq-mapping being silently ignored in device_add)
- Fix qdev property crash with integer PCI addresses and JSON -device
- iotests: Fix mypy failure
- parallels: Avoid potential integer overflow
- ssh: libssh broke with non-blocking sessions, use a blocking one for now
- Fix crash in migration_is_running()

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# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
ssh: Do not switch session to non-blocking mode
vl: use qmp_device_add() in qemu_create_cli_devices()
qdev-monitor: avoid QemuOpts in QMP device_add
tests/avocado/hotplug_blk: Fix addr in device_add command
qdev: Fix set_pci_devfn() to visit option only once
python: silence pylint raising-non-exception error
python: disable too-many-positional-arguments warning
iotests: correct resultclass type in ReproducibleTestRunner
iotests: reflow ReproducibleTestRunner arguments
parallels: fix possible int overflow

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

python: disable too-many-positional-arguments warning

Newest versions of pylint complain about specifically positional
arguments in addition to too many in general. We already disable the
general ca

python: disable too-many-positional-arguments warning

Newest versions of pylint complain about specifically positional
arguments in addition to too many in general. We already disable the
general case, so silence this new warning too.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20241101173700.965776-4-jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

show more ...

Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python: 3.13 compat & sphinx minver bump

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Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python: 3.13 compat & sphinx minver bump

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# gpg: Signature made Tue 16 Jul 2024 03:32:27 AM AEST
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [unknown]
# 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: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E

* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
docs: remove Sphinx 1.x compatibility code
Python: bump minimum sphinx version to 3.4.3
python: enable testing for 3.13
iotests: Change imports for Python 3.13
python: Do not use pylint 3.2.4 with python 3.8
python: linter changes for pylint 3.x

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

python: enable testing for 3.13

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,

python: enable testing for 3.13

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>

show more ...

python: Do not use pylint 3.2.4 with python 3.8

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 B

python: Do not use pylint 3.2.4 with python 3.8

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>

show more ...

Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python Pullreq

Python PR:

- Use socketpair for all machine.py connections
- Support Python 3.12
- Switch iotests over

Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python Pullreq

Python PR:

- Use socketpair for all machine.py connections
- Support Python 3.12
- Switch iotests over to using raise-on-error QMP command interface
(Thank you very much, Vladimir!)

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# gpg: Signature made Fri 13 Oct 2023 15:09:13 EDT
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E

* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu: (25 commits)
python: use vm.cmd() instead of vm.qmp() where appropriate
scripts: add python_qmp_updater.py
tests/vm/basevm.py: use cmd() instead of qmp()
iotests.py: pause_job(): drop return value
iotests: drop some extra ** in qmp() call
iotests: drop some extra semicolons
iotests: refactor some common qmp result checks into generic pattern
iotests: add some missed checks of qmp result
iotests: QemuStorageDaemon: add cmd() method like in QEMUMachine.
python/machine.py: upgrade vm.cmd() method
python/qemu: rename command() to cmd()
python: rename QEMUMonitorProtocol.cmd() to cmd_raw()
scripts/cpu-x86-uarch-abi.py: use .command() instead of .cmd()
qmp_shell.py: _fill_completion() use .command() instead of .cmd()
python/qemu/qmp/legacy: cmd(): drop cmd_id unused argument
Python: Enable python3.12 support
configure: fix error message to say Python 3.8
python/qmp: remove Server.wait_closed() call for Python 3.12
Python/iotests: Add type hint for nbd module
python/machine: remove unused sock_dir argument
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

Python: Enable python3.12 support

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 interpr

Python: Enable python3.12 support

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>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* only build util/async-teardown.c when system build is requested
* target/i386: fix BQL handling of the legacy FERR interrup

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* only build util/async-teardown.c when system build is requested
* target/i386: fix BQL handling of the legacy FERR interrupts
* target/i386: fix memory operand size for CVTPS2PD
* target/i386: Add support for AMX-COMPLEX in CPUID enumeration
* compile plugins on Darwin
* configure and meson cleanups
* drop mkvenv support for Python 3.7 and Debian10
* add wrap file for libblkio
* tweak KVM stubs

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# gpg: Signature made Thu 07 Sep 2023 07:44:37 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (51 commits)
docs/system/replay: do not show removed command line option
subprojects: add wrap file for libblkio
sysemu/kvm: Restrict kvm_pc_setup_irq_routing() to x86 targets
sysemu/kvm: Restrict kvm_has_pit_state2() to x86 targets
sysemu/kvm: Restrict kvm_get_apic_state() to x86 targets
sysemu/kvm: Restrict kvm_arch_get_supported_cpuid/msr() to x86 targets
target/i386: Restrict declarations specific to CONFIG_KVM
target/i386: Allow elision of kvm_hv_vpindex_settable()
target/i386: Allow elision of kvm_enable_x2apic()
target/i386: Remove unused KVM stubs
target/i386/cpu-sysemu: Inline kvm_apic_in_kernel()
target/i386/helper: Restrict KVM declarations to system emulation
hw/i386/fw_cfg: Include missing 'cpu.h' header
hw/i386/pc: Include missing 'cpu.h' header
hw/i386/pc: Include missing 'sysemu/tcg.h' header
Revert "mkvenv: work around broken pip installations on Debian 10"
mkvenv: assume presence of importlib.metadata
Python: Drop support for Python 3.7
configure: remove dead code
meson: list leftover CONFIG_* symbols
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

mkvenv: assume presence of importlib.metadata

importlib.metadata is included in Python 3.8, so there is no
need to fallback to either importlib-metadata or pkgresources
when generating console scrip

mkvenv: assume presence of importlib.metadata

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>

show more ...

Python: Drop support for Python 3.7

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 (a

Python: Drop support for Python 3.7

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>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* separate accepted and auto-installed versions of Python dependencies
* bump tricore container to Debian 11
* small configur

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* separate accepted and auto-installed versions of Python dependencies
* bump tricore container to Debian 11
* small configure cleanups

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# gpg: Signature made Mon 28 Aug 2023 05:22:38 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
configure: remove unnecessary mkdir -p
configure: fix container_hosts misspellings and duplications
target/i386: add support for VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE
tests/docker: add python3-tomli dependency to containers
Revert "tests: Use separate virtual environment for avocado"
configure: switch to ensuregroup
python: use vendored tomli
configure: never use PyPI for Meson
lcitool: bump libvirt-ci submodule and regenerate
python: mkvenv: add ensuregroup command
python: mkvenv: introduce TOML-like representation of dependencies
python: mkvenv: tweak the matching of --diagnose to depspecs
dockerfiles: bump tricore cross compiler container to Debian 11
configure: fix and complete detection of tricore tools

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

python: mkvenv: add ensuregroup command

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 pack

python: mkvenv: add ensuregroup command

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>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Granite Rapids CPU model
* Miscellaneous bugfixes

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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Granite Rapids CPU model
* Miscellaneous bugfixes

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# gpg: Signature made Fri 07 Jul 2023 11:54:30 AM BST
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
target/i386: Add new CPU model GraniteRapids
target/i386: Add few security fix bits in ARCH_CAPABILITIES into SapphireRapids CPU model
target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES
target/i386: Allow MCDT_NO if host supports
target/i386: Add support for MCDT_NO in CPUID enumeration
target/i386: Adjust feature level according to FEAT_7_1_EDX
qemu_cleanup: begin drained section after vm_shutdown()
meson.build: Remove the logic to link C code with the C++ linker
python: bump minimum requirements so they are compatible with 3.12

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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python: bump minimum requirements so they are compatible with 3.12

There are many Python 3.12 issues right now, but a particularly
problematic one when debugging them is that one cannot even use
min

python: bump minimum requirements so they are compatible with 3.12

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>

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Merge tag 'for-upstream-urgent' of https://gitlab.com/bonzini/qemu into staging

Fixes for Python venv changes

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Merge tag 'for-upstream-urgent' of https://gitlab.com/bonzini/qemu into staging

Fixes for Python venv changes

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# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
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# gpg: WARNING: This key is not certified with a trusted signature!
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# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream-urgent' of https://gitlab.com/bonzini/qemu:
scripts: make sure scripts are invoked via $(PYTHON)
gitlab: custom-runners: preserve more artifacts for debugging
mkvenv: pass first missing package to diagnose()
configure: fix backwards-compatibility for meson sphinx_build option
build: rebuild build.ninja using "meson setup --reconfigure"
mkvenv: replace distlib.database with importlib.metadata/pkg_resources
remove remaining traces of meson submodule

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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mkvenv: replace distlib.database with importlib.metadata/pkg_resources

importlib.metadata is just as good as distlib.database and a bit more
battle-proven for "egg" based distributions, and in fact

mkvenv: replace distlib.database with importlib.metadata/pkg_resources

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>

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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* kvm: enable dirty ring for arm64
* target/i386: new features
* target/i386: AVX fixes
* configure: create a python venv unc

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* kvm: enable dirty ring for arm64
* target/i386: new features
* target/i386: AVX fixes
* configure: create a python venv unconditionally
* meson: bump to 0.63.0 and move tests from configure
* meson: Pass -j option to sphinx
* drop support for Python 3.6
* fix check-python-tox
* fix "make clean" in the source directory

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# gpg: Signature made Thu 18 May 2023 04:35:32 AM PDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [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: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (68 commits)
docs/devel: update build system docs
configure: remove unnecessary check
configure: reorder option parsing code
configure: remove unnecessary mkdir
configure: do not rerun the tests with -Werror
configure: remove compiler sanity check
build: move --disable-debug-info to meson
build: move compiler version check to meson
build: move remaining compiler flag tests to meson
build: move warning flag selection to meson
build: move stack protector flag selection to meson
build: move coroutine backend selection to meson
build: move SafeStack tests to meson
build: move sanitizer tests to meson
meson: prepare move of QEMU_CFLAGS to meson
configure, meson: move --enable-modules to Meson
configure: remove pkg-config functions
build: move glib detection and workarounds to meson
meson: drop unnecessary declare_dependency()
meson: add more version numbers to the summary
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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python: bump some of the dependencies

The version of pyflakes that is listed in python/tests/minreqs.txt
breaks on Python 3.8 with the following message:

AttributeError: 'FlakesChecker' object ha

python: bump some of the dependencies

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>

show more ...

Python: Drop support for Python 3.6

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. Av

Python: Drop support for Python 3.6

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>

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mkvenv: use pip's vendored distlib as a fallback

distlib is usually not installed on Linux distribution, but it is vendored
into pip. Because the virtual environment has pip via ensurepip, we
can p

mkvenv: use pip's vendored distlib as a fallback

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>

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mkvenv: add console script entry point generation

When creating a virtual environment that inherits system packages,
script entry points (like "meson", "sphinx-build", etc) are not
re-generated with

mkvenv: add console script entry point generation

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>

show more ...

mkvenv: add ensure subcommand

This command is to be used to add various packages (or ensure they're
already present) into the configure-provided venv in a modular fashion.

Examples:

mkvenv ensure

mkvenv: add ensure subcommand

This command is to be used to add various packages (or ensure they're
already present) into the configure-provided venv in a modular fashion.

Examples:

mkvenv ensure --online --dir "${source_dir}/python/wheels/" "meson>=0.61.5"
mkvenv ensure --online "sphinx>=1.6.0"
mkvenv ensure "qemu.qmp==0.0.2"

It's designed to look for packages in three places, in order:

(1) In system packages, if the version installed is already good
enough. This way your distribution-provided meson, sphinx, etc are
always used as first preference.

(2) In a vendored packages directory. Here I am suggesting
qemu.git/python/wheels/ as that directory. This is intended to serve as
a replacement for vendoring the meson source for QEMU tarballs. It is
also highly likely to be extremely useful for packaging the "qemu.qmp"
package in source distributions for platforms that do not yet package
qemu.qmp separately.

(3) Online, via PyPI, ***only when "--online" is passed***. This is only
ever used as a fallback if the first two sources do not have an
appropriate package that meets the requirement. The ability to build
QEMU and run tests *completely offline* is not impinged.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230511035435.734312-7-jsnow@redhat.com>
[Use distlib to lookup distributions. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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python: add mkvenv.py

This script will be responsible for building a lightweight Python
virtual environment at configure time. It works with Python 3.6 or
newer.

It has been designed to:
- work *of

python: add mkvenv.py

This script will be responsible for building a lightweight Python
virtual environment at configure time. It works with Python 3.6 or
newer.

It has been designed to:
- work *offline*, no PyPI required.
- work *quickly*, The fast path is only ~65ms on my machine.
- work *robustly*, with multiple fallbacks to keep things working.
- work *cooperatively*, using system packages where possible.
(You can use your distro's meson, no problem.)

Due to its unique position in the build chain, it exists outside of the
installable python packages in-tree and *must* be runnable without any
third party dependencies.

Under normal circumstances, the only dependency required to execute this
script is Python 3.6+ itself. The script is *faster* by several seconds
when setuptools and pip are installed in the host environment, which is
probably the case for a typical multi-purpose developer workstation.

In the event that pip/setuptools are missing or not usable, additional
dependencies may be required on some distributions which remove certain
Python stdlib modules to package them separately:

- Debian may require python3-venv to provide "ensurepip"
- NetBSD may require py310-expat to provide "pyexpat" *
(* Or whichever version is current for NetBSD.)

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230511035435.734312-4-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

python: update pylint configuration

Pylint 2.17.x decided that SocketAddrT was a bad name for a Type Alias for some
reason. Sure, fine, whatever.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewe

python: update pylint configuration

Pylint 2.17.x decided that SocketAddrT was a bad name for a Type Alias for some
reason. Sure, fine, whatever.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230511035435.734312-3-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python

Only minor testing updates.

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Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python

Only minor testing updates.

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# gpg: Signature made Thu 23 Feb 2023 04:36:23 GMT
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E

* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
python: drop pipenv
python: support pylint 2.16

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...