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Fix Pyston wheel compatibility tags #16972

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Merged
konstin merged 1 commit into from
Dec 4, 2025
Merged

Fix Pyston wheel compatibility tags #16972

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10 changes: 10 additions & 0 deletions crates/uv-python/python/get_interpreter_info.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,16 @@ def format_full_version(info):
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:
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