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Fix Pyston tags (#16972) 

This was discovered by https://github.com/astral-sh/uv/pull/16074, where
the wrong tag now fails the Pyston integration test.

I'm not sure what the exact schema of the cache tag is, but since the
project is dead, I don't expect any new non-matching versions to follow.
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konsti 2025-12-04 10:18:41 +01:00 committed by GitHub
parent 2abe56a357
commit 2748dce860
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10
crates/uv-python/python/get_interpreter_info.py
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@ -46,6 +46,16 @@ if hasattr(sys, "implementation"):
r"\1.\2",
sys.implementation.cache_tag,
)
elif implementation_name == "pyston":
# Pyston reports the CPython version as sys.implementation.version,
# so we need to discover the Pyston version from the cache_tag
import re
implementation_version = re.sub(
r"pyston-(\d)(\d+)",
r"\1.\2",
sys.implementation.cache_tag,
)
else:
implementation_version = format_full_version(sys.implementation.version)
else: