Support Python 3.12.
### Testing
* Passed all Distribution Tests.
* Also tested locally by installing 3.12 artifact.
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Distribtests is failing with the following error:
```
Collecting twine<=2.0
Downloading twine-2.0.0-py3-none-any.whl (34 kB)
Collecting pkginfo>=1.4.2 (from twine<=2.0)
Downloading pkginfo-1.9.6-py3-none-any.whl (30 kB)
Collecting readme-renderer>=21.0 (from twine<=2.0)
Obtaining dependency information for readme-renderer>=21.0 from 992e0e21b36c98bc06a55e514cb323/readme_renderer-42.0-py3-none-any.whl.metadata
Downloading readme_renderer-42.0-py3-none-any.whl.metadata (2.8 kB)
Collecting requests>=2.20 (from twine<=2.0)
Obtaining dependency information for requests>=2.20 from 0e2d847013cd6965bf26b47bc0bf44/requests-2.31.0-py3-none-any.whl.metadata
Downloading requests-2.31.0-py3-none-any.whl.metadata (4.6 kB)
Collecting requests-toolbelt!=0.9.0,>=0.8.0 (from twine<=2.0)
Downloading requests_toolbelt-1.0.0-py2.py3-none-any.whl (54 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 54.5/54.5 kB 5.1 MB/s eta 0:00:00
Requirement already satisfied: setuptools>=0.7.0 in ./venv/lib/python3.9/site-packages (from twine<=2.0) (68.2.0)
Collecting tqdm>=4.14 (from twine<=2.0)
Obtaining dependency information for tqdm>=4.14 from f12a80907dc3ae54c5e962cc83037e/tqdm-4.66.1-py3-none-any.whl.metadata
Downloading tqdm-4.66.1-py3-none-any.whl.metadata (57 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 57.6/57.6 kB 7.6 MB/s eta 0:00:00
Collecting nh3>=0.2.14 (from readme-renderer>=21.0->twine<=2.0)
Downloading nh3-0.2.14.tar.gz (14 kB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing metadata (pyproject.toml): started
Preparing metadata (pyproject.toml): finished with status 'error'
error: subprocess-exited-with-error
× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [6 lines of output]
Cargo, the Rust package manager, is not installed or is not on PATH.
This package requires Rust and Cargo to compile extensions. Install it through
the system's package manager or via https://rustup.rs/
Checking for Rust toolchain....
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
```
### Why
* We're pulling readme_renderer 42.0 from twine, since 42.0 requires nh3
and nh3 requires Rust, the test is failing.
### Fix
* Pinged readme_renderer to `<40.0` since any version higher or equal to
40.0 requires Python 3.8.
### Testing
* Passed manual run: http://sponge/57d815a7-629f-455f-b710-5b80369206cd
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### Background
* `distutils` is deprecated with removal planned for Python 3.12
([pep-0632](https://peps.python.org/pep-0632/)), thus we're trying to
replace all distutils usage with setuptools.
* Please note that user still have access to `distutils` if setuptools
is installed and `SETUPTOOLS_USE_DISTUTILS` is set to `local` (The
default in setuptools, more details can be found [in this
discussion](https://github.com/pypa/setuptools/issues/2806#issuecomment-1193336591)).
### How we decide the replacement
* We're following setuptools [Porting from Distutils
guide](https://setuptools.pypa.io/en/latest/deprecated/distutils-legacy.html#porting-from-distutils)
when deciding the replacement.
#### Replacement not mentioned in the guide
* Replaced `distutils.utils.get_platform()` with
`sysconfig.get_platform()`.
* Based on the [answer
here](https://stackoverflow.com/questions/71664875/what-is-the-replacement-for-distutils-util-get-platform),
and also checked the document that `sysconfig.get_platform()` is good
enough for our use cases.
* Replaced `DistutilsOptionError` with `OptionError`.
* `setuptools.error` is exporting it as `OptionError` [in the
code](https://github.com/pypa/setuptools/blob/v59.6.0/setuptools/errors.py).
* Upgrade `setuptools` in `test_packages.sh` and changed the version
ping to `59.6.0` in `build_artifact_python.bat`.
* `distutils.errors.*` is not fully re-exported until `59.0.0` (See
[this issue](https://github.com/pypa/setuptools/issues/2698) for more
details).
### Changes not included in this PR
* We're patching some compiler related functions provided by distutils
in our code
([example](ee4efc31c1/src/python/grpcio/_spawn_patch.py (L30))),
but since `setuptools` doesn't have similar interface (See [this issue
for more details](https://github.com/pypa/setuptools/issues/2806)), we
don't have a clear path to replace them yet.
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This PR:
- Fixes the xds-protos Python package, which was broken when the `udpa`
submodule was removed
- This required re-adding the protoc-gen-validate submodule
- Adds non-Bazel tests for xds-protos and all of its dependent packages
- Versions xds-protos the same way as the rest of the Python packages
- Fixes Python 3.11 support in `run_tests.py`, which is necessary for
the testing mentioned above
CC @sergiitk You won't be able to consume this in the interop tests
until it makes it into a release. I'm thinking I'll want to backport
this to the 1.57.x branch to make that happen faster.
CC @drfloob to inform him about the likely backport.
* Attempt to set correct platform on Mac OS
* Add some debug
* Make it fail
* Print more
* Try again
* Maybe it's an ordering issue?
* Get logs back
* Try copying distutils to see exactly what is being used
* Actually export the variable
* I just love debugging with CI
* One directory higher this time
* Try with an upgraded Python install
* Fix version
* Rebreak
* Try setting it even earlier?
* Unbreak
* Try explicitly renaming the artifacts
* Fix
* I am about ready to start NAT hole punching for SSH
* Break things for logs
* Whoops
* Clean up
* Shellcheck
* unify DOCKER_TTY_ARGS in docker scripts
* improvements and cleanup in build_and_run_docker.sh
* fix shellcheck
* make sure python sdist artifact is readable
* Support musllinux binary wheels
* Skip aarach64 for now
* Consolidate the difference of mktemp
* Extend linux artifact building time && install bash for distribtest
* Stop using grpc.tools, use grpc_tools
* Update the README to use grpc_tools
* Force static link libc++ for alpine binaries
* Rebase recent build script changes
* Install ccache for musllinux distribtest images
* Revert timeout change to grpc_build_artifacts
* add cmake support for ccache
* cleanup: use --env-file for docker run invocations
* make python build compatible with using ccache
* enable building using ccache in selected kokoro jobs
* print ccache stats and the end of run_tests.py
* Add Python 3.10.0rc1 binary wheels
* Drop Python 3.5 artifacts
* Document the drop of 3.5
* Fix the wrong pip pointer
* Update manylinux2014 to a newer version, remove 3.5 distribtest
* Update manylinux aarch64 to see if the absl error go away
* Use the preferred alias
* Allow different wheel library to produce different tag order
* Remove unused shell var and log produced wheels
* Use copy instead of move
* Make bash happy about the wildcard
* Upgrade the debian image to use 3.5+ Python
* Polish the comments for the Dockerfiles
* Add grpcio-csds pacakge
* Remove unused file
* Fix the proto import path issue
* Update the CSDS package and xds-protos for PY2
* Make tests happy
* Fix Bazel proto dependency
* Add Python2 tests for CSDS
* Expose the C-Core API in Cython layer
* Handle the object translation
* Create a separate package for Channelz specifically
* Handle nullptr and raise exception if seen one
* Translate C++ Channelz unit tests
* Adding 5 more invalid query unit tests
Adding peripheral utility for grpcio-channelz package
* Add to `pylint_code.sh`
* Add to Python build script
* Add to artifact build script
* Add to Bazel
* Add to Sphinx module list