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Allow download of Python distribution variants with newer CPU instruction sets (#9781)

Browse source 
Supersedes https://github.com/astral-sh/uv/pull/8517 with an alternative
approach of making all the variants available instead of replacing the
x86_64 (v1) variant with x86_64_v2.

Doesn't add automatic inference of the supported instructions, but that
should be doable per @charliermarsh's comment there. Going to do it as a
follow-up since this has been pretty time consuming.

e.g.,

```
❯ cargo run -q -- python install cpython-3.12.8-linux-x86_64_v3-gnu
Installed Python 3.12.8 in 2.72s
 + cpython-3.12.8-linux-x86_64_v3-gnu
```

Co-authored-by: j178 <10510431+j178@users.noreply.github.com>
This commit is contained in:
Zanie Blue 2024-12-10 14:26:45 -06:00 • committed by GitHub
parent fd420db197
commit 761dafd0d1
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6 changed files with 23040 additions and 2044 deletions
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22
crates/uv-python/template-download-metadata.py
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@ -62,17 +62,23 @@ def prepare_variant(variant: str | None) -> str | None:
raise ValueError(f"Unknown variant: {variant}")
def prepare_arch(arch: str) -> str:
match arch:
def prepare_arch(arch: dict) -> tuple[str, str]:
match arch["family"]:
# Special constructors
case "i686":
return "X86_32(target_lexicon::X86_32Architecture::I686)"
family = "X86_32(target_lexicon::X86_32Architecture::I686)"
case "aarch64":
return "Aarch64(target_lexicon::Aarch64Architecture::Aarch64)"
family = "Aarch64(target_lexicon::Aarch64Architecture::Aarch64)"
case "armv7":
return "Arm(target_lexicon::ArmArchitecture::Armv7)"
case _:
return arch.capitalize()
family = "Arm(target_lexicon::ArmArchitecture::Armv7)"
case value:
family = value.capitalize()
variant = (
f"Some(ArchVariant::{arch['variant'].capitalize()})"
if arch["variant"]
else "None"
)
return family, variant
def prepare_prerelease(prerelease: str) -> str:
@ -86,7 +92,7 @@ def prepare_prerelease(prerelease: str) -> str:
def prepare_value(value: dict) -> dict:
value["os"] = value["os"].title()
value["arch"] = prepare_arch(value["arch"])
value["arch_family"], value["arch_variant"] = prepare_arch(value["arch"])
value["name"] = prepare_name(value["name"])
value["libc"] = prepare_libc(value["libc"])
value["prerelease"] = prepare_prerelease(value["prerelease"])