GitHub Actions: Add Python 3.13 beta 4 to the build-pipeline

cclauss commented 3 months ago

https://www.python.org/download/pre-releases
- We strongly encourage maintainers of third-party Python projects to test with 3.13 during the beta phase
https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#allow-pre-releases
xhtml2pdf/xhtml2pdf#775

Blocked by pyca/cryptography#9722

Traceback (most recent call last):
from pyhanko.pdf_utils.incremental_writer import IncrementalPdfFileWriter
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko/pdf_utils/incremental_writer.py", line 8, in <module>
from . import generic, misc
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko/pdf_utils/generic.py", line 22, in <module>
from .misc import (
...<11 lines>...
)
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko/pdf_utils/misc.py", line 17, in <module>
from pyhanko_certvalidator.util import CancelableAsyncIterator, ConsList
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko_certvalidator/__init__.py", line 8, in <module>
from .context import ValidationContext
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko_certvalidator/context.py", line 13, in <module>
from .fetchers.requests_fetchers import RequestsFetcherBackend
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko_certvalidator/fetchers/requests_fetchers/__init__.py", line 8, in <module>
from .cert_fetch_client import RequestsCertificateFetcher
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko_certvalidator/fetchers/requests_fetchers/cert_fetch_client.py", line 7, in <module>
from ...errors import CertificateFetchError
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/pyhanko_certvalidator/errors.py", line 6, in <module>
from cryptography.exceptions import InvalidSignature
File "/opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/cryptography/exceptions.py", line 9, in <module>
from cryptography.hazmat.bindings._rust import exceptions as rust_exceptions
ImportError: /opt/hostedtoolcache/Python/3.13.0-beta.4/x64/lib/python3.13/site-packages/_cffi_backend.cpython-313-x86_64-linux-gnu.so: undefined symbol: _PyErr_WriteUnraisableMsg

Description of the changes

Describe the changes in this PR, with references to issues in the issue tracker and forum discussions (if applicable).

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For new features (delete if not applicable)

[ ] I have discussed the implementation of this feature with the project maintainer(s) on the discussion forum or over email.
[ ] I have verified that my changes do not break existing API or CLI functionality or ensured that all breaking changes are clearly documented in this PR.
[ ] All public API functionality in this PR is documented.

For bug fixes (delete if not applicable)

[x] My changes do not affect any public API or CLI semantics.
[x] My PR adds regression tests (i.e. tests that fail if the bug fix is not applied).
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For documentation contributions (delete if not applicable)

[ ] I have built the HTML documentation locally, and verified that the changes behave correctly in-browser.

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MatthiasValvekens commented 2 months ago

I see that the CFFI thing has been sorted... let's give this a spin :)

MatthiasValvekens commented 2 months ago

Alright, lgtm. Will merge this.

(Thanks for bringing this up and looking into potential upstream blockers, by the way!)

MatthiasValvekens / pyHanko