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TODO list for Python 3.11 support #1516
Description
- Re-enable
numpyas a test dependency once they provide wheels for3.11> See Enable3.11in the CI #1517 - Remove the
if: ${{ always() }}line from thecoverageCI jobs - Handle PEP654 (Support catching multiple exceptions introduced in pep654 in python 3.11 pylint#7703) Add Trystar nodes from python 3.11 #2028
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FormattedValue.conversionis a required field (instead of optional). This was an error in the Python documentation which was addressed recently. https://docs.python.org/3.11/library/ast.html#ast.FormattedValue bpo-46289: Make conversion of FormattedValue not optional on ASDL python/cpython#30467 > UpdateFormattedValue.postinitand its brain #2029 - [Optional] We could add an enum for
FormattedValue.conversion. The int values can be confusion on its own. > Decided not to.
Activity
cdce8p commentedon Apr 22, 2022
Some recent AST changes:
TryStarnode. Almost identical to theast.Trynode. We shouldn't use the oldTryExcept/TryFinallystructure though! It's probably better to look at AddTrynode #1389https://docs.python.org/3.11/library/ast.html#ast.TryStar
bpo-45292: [PEP-654] add except* python/cpython#29581
FormattedValue.conversionis a required field (instead of optional). This was an error in the Python documentation which was addressed recently.https://docs.python.org/3.11/library/ast.html#ast.FormattedValue
bpo-46289: Make conversion of FormattedValue not optional on ASDL python/cpython#30467
FormattedValue.conversion. The int values can be confusion on its own.rkhwaja commentedon Jul 31, 2022
The wrapt dependency needs to be ">=1.14" for python 3.11. See changelog
Pierre-Sassoulas commentedon Jul 31, 2022
@rkhwaja I think pip handle that, if pylint require wrapt >= 1.12 but python 3.11 require wrapt >= 1.14 then pip download >= 1.14. We should not change our lower bound, as we could imagine that wrapt >=1.14 is incompatible with python 3.7 and changing this would break pylint for python 3.7.
rkhwaja commentedon Aug 2, 2022
You could add a dependency like "wrapt>=1.14,<2;python_version>='3.11'" and then both the old and the new python will work.
I don't know if you have other users than pylint but they would all just work too if you did it this way.
Pierre-Sassoulas commentedon Aug 2, 2022
But is this required at all ?
wraptis the package that should handle the metadata about the pytho interpreters it supports and pip takes it into account.cdce8p commentedon Aug 19, 2022
Took me a moment to understand the issue.
wrapdoesn't pin a max supported version (which is the recommendation). Thuspipwill happily install1.12even on python3.11if the dependency resolution requires it. However, only1.14is compatible. The optionswrapt>=1.14,<2;python_version>='3.11'like @rkhwaja suggested1.14.1.14is compatible with Python>=3.5so that wouldn't be an issue.wrapt>=1.14constraint themselves. Although that won't fix existing environments.DanielNoord commentedon Aug 21, 2022
See #1745
work in progress trystar refs #1516
work in progress trystar refs #1516
work in progress trystar refs #1516
Add 'TryStar' nodes from Python 3.11 #1516 (#2028)